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In commemoration of World Environment Day (WED) 2025, Harita Nickel once again held its Harita Mengajar (Harita Teaching) program. In this knowledge-sharing initiative, Harita Nickel employees educate students living near the company’s operations. This year’s theme was “Stop Plastic Pollution.” The educational session targeted students from Loji Permai Junior High School and Tunas Muda Senior High School in Kawasi Village, Obi Island, South Halmahera, and took place on Monday, June 16, at the New Kawasi Village Health Sub-Center hall.
Aldico Putra Ganesha, chairperson of this event, explained that the program was specifically designed to instill environmental awareness in the younger generation from an early age. “We believe that significant change can begin with simple actions, like throwing waste in the right place, reducing the use of single-use plastics, and spreading this awareness to family and the wider community,” Aldico stated.<img alt="16062025 hn harita mengajar hlh 39" src="https://api.tbpnickel.com/storage/images/old/images/16062025_HN_Harita Mengajar HLH_39.jpg"> 
The first session was led by Lentina Simangunsong from Harita Nickel’s Environment Compliance and Reporting team. She explained the types of plastics, their non-biodegradable nature, and the environmental harm they cause. “Single-use plastics may be convenient, but their ecological footprint can last longer than a human lifetime,” she emphasized.<img alt="16062025 hn harita mengajar hlh 42" src="https://api.tbpnickel.com/storage/images/old/images/16062025_HN_Harita Mengajar HLH_42.jpg"> 
The second session was presented by Ricky Danang Pratama, a Conservation Specialist at Harita Nickel, who discussed the impact of waste on biodiversity. Ricky shared real-life examples, ranging from sea turtles entangled in plastic nets to land animals like monkeys injured by human waste. “By understanding real-world cases, we hope students become more aware that small actions can have a significant impact on the environment around them,” Ricky explained.<img alt="16062025 hn harita mengajar hlh 81" src="https://api.tbpnickel.com/storage/images/old/images/16062025_HN_Harita Mengajar HLH_81.jpg"> 
The event became even more engaging when students showcased creative products made from waste materials collected in their surroundings. These included pencil holders made from used bottles, piggy banks from cans, tissue boxes, and wall decorations crafted from inorganic waste. The creations not only demonstrated creativity but also served as proof that waste can be repurposed when approached with awareness and care.
Servin Langkodi, Principal of Loji Permai Junior High School, expressed his appreciation during his opening remarks. “From this event, we hope students truly understand that protecting the environment is their responsibility to the Earth and the future. Hopefully, this will be the first step toward making them agents of change in their communities,” he said.
Through the Harita Mengajar program, Harita Nickel emphasizes the importance of providing environmental education to school students. By engaging the younger generation, the company hopes the spirit of environmental stewardship will not end with this event, but will grow into a lasting awareness throughout Kawasi and its surrounding areas.

Harita Nickel Promotes Environmental Awareness Among Kawasi Students on the Dangers of Plastic Waste

As part of its ongoing commitment to corporate social responsibility, Harita Nickel has distributed 255 food relief packages to residents impacted by recent flooding in the villages of Soligi and Wayaloar, located in South Obi District. Each package comprised 5 kilograms of rice, 1 kilogram of sugar, 2 liters of cooking oil, and one box of instant noodles.
Dindin Makinudin, General Manager of Community Affairs at Harita Nickel, stated that the assistance reflects the company’s solidarity with local communities and its responsibility to support those affected by natural disasters in its operational areas.

“This initiative is a manifestation of our concern and responsibility toward residents within our operational vicinity, who have been impacted by flooding due to extreme weather conditions,” he said.
<img alt="Bantuan banjir soligi 2" src="https://api.tbpnickel.com/storage/images/old/images/Bantuan Banjir Soligi 2.jpg"> 
The Meteorology, Climatology, and Geophysics Agency (BMKG), through the Sultan Baabullah Ternate Class I Meteorological Station, had earlier issued an early warning regarding the potential for extreme weather and flooding in North Maluku from June 9 to 15, 2025.

Dindin expressed hope that the aid would provide meaningful relief to those in need. “While this support may not address all immediate needs, it represents our sincere intent to be present and assist as one extended family during challenging times,” he added.

He also emphasized that Soligi and Wayaloar are key communities within Harita Nickel’s operational perimeter on Obi Island, and that local communities play a vital role in supporting the company’s ongoing activities.

“We aspire for Harita Nickel’s presence to be impactful not only in times of crisis, but also as a long-term partner in fostering resilience and inclusive growth,” he noted.

One of the recipients, Murni La Patilaya, a resident of Soligi, described how the flooding began at approximately 1:00 PM WIT, shortly after Friday prayers, and subsided two hours later. She likened the event to the major flood in 2005, when the river overflowed and nearly entered residents' homes.
<img alt="Bantuan banjir wayaloar ok" src="https://api.tbpnickel.com/storage/images/old/images/Bantuan Banjir Wayaloar ok.jpg"> 
“I am grateful to Harita Nickel for their concern. Going forward, we hope for improved drainage infrastructure to help mitigate future flooding,” she said.

Echoing this sentiment, Herman, the Village Welfare Officer (Kesra) of Soligi, attributed the flooding to high rainfall and inadequate river flow management. He praised Harita Nickel for its swift and responsive action in addressing the needs of affected residents.

Representing the South Obi Subdistrict government, Jamaludin also extended his appreciation to Harita Nickel. He highlighted the importance of continued collaboration between the company, local government, and the community to ensure sustainable operations and shared benefits.

Harita Nickel Distributes 255 Food Relief Packages to Flood-Affected Communities in Soligi and Wayaloar

Every day, plastic waste from operational activities and employee routines accumulates, posing significant environmental challenges. However, the Laboratory team at PT Megah Surya Pertiwi (MSP), a business unit of Harita Nickel, has innovatively turned this plastic waste into valuable energy through the “From Waste to Energy” project.
The method used is pyrolysis, a thermal decomposition process performed in the absence of oxygen. This process breaks down plastic into oil, gas, and solid residues without burning it. The primary product, a mixed fuel in liquid form, has been successfully used to support various technical operations in the field.

“We aim to address environmental challenges not merely through discussions but through tangible actions,” said Willy Kesuma Dewadi, Head of Technical Support at MSP.

<img alt="Limbah plastik jadi bahan bakar di msp 2" src="https://api.tbpnickel.com/storage/images/old/news_assets/Limbah-plastik-jadi-bahan-bakar-di-MSP-2.jpg"> 
The project, titled “From Waste to Energy,” follows a structured approach: providing designated plastic bins, sorting the plastic waste, building a pyrolysis machine, and testing the final product. Through this process, the team has successfully converted 1,236 kilograms of plastic waste per year into an alternative, cost-effective, environmentally friendly and sustainable energy source.

Economically, this innovation offers significant advantages. With the machine using only 500 watts of power and electricity costing around IDR 1,699 per kWh, production costs are much lower than the market price of plastic-based fuel, which can reach IDR 7,000 per liter. This results in a potential value gain of around IDR 5,300 per liter.

Charles Hasiholan, Deputy Head of HSE and Security at Harita Nickel, emphasized that this project's benefits extend beyond mere cost efficiency. “This initiative clearly demonstrates the company's commitment to environmental sustainability and circular economy practices,” he said.

<img alt="Inovasi harita nickel ubah plastik jadi bahan bakar alternatif 3" src="https://api.tbpnickel.com/storage/images/old/news_assets/Inovasi Harita Nickel Ubah Plastik Jadi Bahan Bakar Alternatif-3.jpg"> 
The project was also featured in the Harita Continuous Improvement (HCI) 2024 competition, an annual event encouraging employees to create real innovations in operations, safety, and environmental management. Internal data shows strong implementation results: 100% completion of the initial stages through to production, and 94% success in fuel testing. Field use of the mixed fuel has reached 67% and continues to grow as technical adjustments are made.

“From Waste to Energy is more than just a technical project. It’s a new way of looking at waste, not as a problem, but as an opportunity for the future of alternative energy,” Willy concluded, proudly showing the team’s homemade pyrolysis machine.&nbsp;

Harita Nickel Turns Plastic Waste Into Alternative Energy

Harita Nickel has introduced a sustainable innovation for domestic wastewater treatment by converting used plastic bottles into an efficient biofilter medium. Through a project named Nirwana Brush, the company's Environment & Business Improvement Department has developed an environmentally friendly and cost-effective solution for wastewater treatment plants (IPAL), particularly at the Nirwana employee accommodation facility operated by PT Trimegah Bangun Persada Tbk.
The Nirwana IPAL facility utilizes both aerobic and anaerobic wastewater treatment systems. Both methods rely heavily on biofilter media as a habitat for decomposer microorganisms that play a crucial role in purifying wastewater.

“Usually, we buy biofilter media from suppliers, and it’s quite expensive. Meanwhile, used plastic bottles are available and largely unused,” said M. Saifullah N, a Project Engineer at Harita Nickel.

<img alt="Nirwana brush 2" src="https://api.tbpnickel.com/storage/images/old/images/Nirwana Brush_2.jpg"> 
In this innovation, used plastic bottles collected from the office surroundings are processed through cleaning, cutting, and structured using iron wire to support microbial growth. Laboratory testing confirmed the system's effectiveness, reducing Total Suspended Solids (TSS) from 49 mg/L down to 3 mg/L&mdash;an efficiency rate of approximately 93.87%.

“With this approach, we’re not only saving costs but also contributing to the reduction of plastic waste, which is notoriously difficult to decompose,” added Ipul, as the Obi-born engineer is known.

“We asked our coworkers to donate used bottles, and many responded positively. It shows that environmental awareness can grow through simple, real actions,” said Dedi Amrin, Manager of Environment & Business Improvement at Harita Nickel.

<img alt="Nirwana brush 1" src="https://api.tbpnickel.com/storage/images/old/images/Nirwana Brush_1.jpg"> 
With proven results, the project marks a promising first step toward more efficient and environmentally friendly wastewater treatment systems. “Our hope is that this recycling concept can become a new standard for wastewater management across Harita Nickel business units that operate similar treatment systems,” Dedi concluded.

Nirwana Brush: Harita Nickel Turns Plastic Waste into Wastewater Treatment Solution

In the mineral processing industry, waste is often seen as a problem. But through a program called Energizing Granular Activated Carbon (GAC) from Waste to Eco-Efficiency, Harita Nickel has changed that view by turning used activated carbon into an efficient alternative energy source.
GAC plays an important role in the purification process, which is a continuation of the High Pressure Acid Leaching (HPAL) process, a technology used to extract nickel and cobalt from laterite ore. “GAC is made from coconut shells or fibers, which are eventually burned and turned into charcoal,” said Catur Prasetyo, Laboratory Staff at Harita Nickel’s Power Plant.
<img alt="Limbah karbon aktif jadi energi alternatif inovasi keberlanjutan dari harita nickel" src="https://api.tbpnickel.com/storage/images/old/images/Limbah Karbon Aktif Jadi Energi Alternatif Inovasi Keberlanjutan dari Harita Nickel.jpeg"> 
In this process, GAC helps remove organic compounds and contaminants from the sulfate solution. This improves the quality of the final product and protects the equipment from damage caused by impurities.

Once used, GAC becomes hazardous waste (B3), and Harita Nickel generates more than 1,300 tons of it each year. This challenge soon emerged: in addition to the high costs of handling and transportation, the buildup of this waste also poses risks to the environment and workplace safety.
<img alt="Limbah karbon aktif jadi energi alternatif inovasi keberlanjutan dari harita nickel 3" src="https://api.tbpnickel.com/storage/images/old/images/Limbah Karbon Aktif Jadi Energi Alternatif Inovasi Keberlanjutan dari Harita Nickel-3.jpeg"> 
“Instead of letting it become waste, we tried to revive this used GAC through controlled combustion, with emissions tested to meet the standards set by the Minister of Environment and Forestry Regulation No. 15 of 2019. The results were remarkable: not only did it produce heat that could be reused, but it also significantly reduced the volume of solid waste,” said Catur.
This project follows strict sustainability standards and was even included in Harita’s internal competition, the Harita Continuous Improvement (HCI) program. “The combustion of used GAC is done in a closed system at the Power Plant. The heat produced is used as an alternative fuel, partially replacing coal consumption,” explained Catur.<img alt="11032025 hn grand final hci 2024 133 1 11zon" src="https://api.tbpnickel.com/storage/images/old/images/11032025_HN_Grand Final HCI 2024__133 -1-_11zon.jpg"> 
With this method, carbon emissions can be reduced, energy efficiency improved, and waste disposal costs minimized, bringing added value to mineral processing operations.

“GAC waste has the potential to be used as an alternative fuel because it contains 5,500 calories per gram,” said Adrianus Adityawardana, Superintendent of the Harita Nickel Power Plant.

Adrianus further noted that this innovation has the potential to be replicated across various Harita Nickel operational units. This initiative also strengthens Harita’s leadership in supporting the sustainability mission of Indonesia’s nickel industry, in line with advancing downstreaming through green innovation.

As pressure grows for extractive industries to be more eco-conscious, initiatives like this show real action. It’s not just about new technology, but a new way of thinking and beginning of new opportunities.

Turning Activated Carbon Waste into Energy: Harita Nickel’s Sustainable Innovation

Harita Nickel held the Obi Fishing Tournament 2025 entitled “Let's Keep Our Sea” on Saturday-Sunday, June 14-15, 2025 in the sea of Kawasi Village, Obi Island, South Halmahera, North Maluku. The fishing tournament, which has entered its fourth year, is a routine agenda of Harita Nickel with its operational community to promote the biodiversity of Obi sea waters.
Chairman of the Obi Fishing Tournament 2025 Committee, Ferry Mangindano, said this year's fishing tournament was attended by 135 participants, consisting of 86 local residents and 49 company employees. The fishing area is around Harita Nickel's operations in Kawasi Village, which stretches from the Akelamo River estuary to around the waters of Mala-Mala Island. The total prizes provided were worth Rp 29 million.

As of closing time, 94 kg of fish were caught by the participants. The types of fish varied, ranging from snapper, grouper to tuna.

<img alt="Img 0044.jpeg" src="https://api.tbpnickel.com/storage/images/old/images/IMG_0044.jpeg.jpg"> 
"The actual number of catches is greater, due to the fact that only fish weighing more than 3 kg were submitted to the committee. This shows that the fish in the waters around Harita Nickel are still abundant, proof that its sustainability is still maintained," said Ferry.

One of the participants, Max Sikape (50) with his partner Sonny Tamansa (48), came out as the second winner with 12 points. They managed to catch two groupers and one snapper with a total weight of 22 kg around the waters of Mala-Mala, not far from the company's jetty.

"We would have won first place if the barracuda fish of about 20 kg had not escaped. The fish was in our hands, but it came off," he recalled with a laugh. Even so, they were still happy to bring home the Rp6 million cash prize.

Meanwhile, for the most unique catch category, the title was won by Zulfikri Salim, employee of Harita Nickel who managed to catch a tiger shark (Galeocerdo cuvier). However, the shark was immediately released back because of its important role in maintaining the marine ecosystem's health.

<img alt="Obi fishing ikan tangkapan" src="https://api.tbpnickel.com/storage/images/old/images/Obi Fishing_Ikan Tangkapan.jpeg"> 
Obi Fishing Tournament 2025 was highlighted by Khairun Ternate University academic, Prof. Janib Achmad, S.Pi, M.Sc. The professor of Marine Natural Materials Chemistry said the fishing tournament initiated by Harita Nickel is important to foster ecological awareness among the community. According to him, awareness of fish and water conservation is closely correlated with marine ecological patterns.

"Later, the catches of the participants will confirm that our waters provide fish in diverse numbers and types. Based on that, we can see the size, species, and condition or level of productivity of the existing fishing ground," he explained, during his visit to the fishing tournament.

Director of Health, Safety, and Environment (HSE) Harita Nickel, Tonny Gultom said, the fishing tournament was designed as a means of friendship between the company and the community and at the same time to strengthen awareness of the importance of preserving the sea.

“This year, we feel grateful that this activity is also a platform for cross-party collaboration ranging from internal employees, local communities, village government elements, to all partners who contribute, to jointly protect the sea as a source of life,” said Tonny.

<img alt="Obi fishing peserta" src="https://api.tbpnickel.com/storage/images/old/images/Obi Fishing_Peserta.jpeg"> 
Tonny emphasized that such activities are in line with the company's commitment to sustainable mining and downstream practices. According to him, marine health is one of the key indicators for the sustainability of the company's operations. To ensure the quality of waters around the company's operations is maintained, it conducts regular monitoring with the support of a competent team and modern equipment.

Obi Fishing Tournament 2025 was closed by cooking fish caught by the participants and then enjoyed together.&nbsp;

"The spirit is collaboration. In the momentum of World Environment Day, we invite the community to jointly protect the environment for future generations," he concluded.

Obi Fishing Tournament 2025: Abundant Fish Catch, Kawasi Sea Waters Still Productive

Working in the mining industry is not easy, especially when it involves environmental responsibility. For Bobby Loys Lengga, Environment Superintendent at PT Halmahera Jaya Feronikel (HJF), it means ensuring every process runs according to regulations, transparently, and accountably.
On a daily basis, Bobby handles often-overlooked matters, ranging from environmental documentation and monitoring water and air quality to waste management, as well as ensuring timely reporting obligations to the government. He is also involved in internal and external audits and oversees the implementation of critical documents, such as the Environmental Impact Assessment (AMDAL), to ensure they are not just kept on paper.

“My job is not only to comply with regulations but also to ensure operations do not neglect social and environmental responsibilities,” said Bobby. He added that protecting the environment is not the task of a single division, but a collaboration involving many parties, from operations to top management.

Bobby began his educational journey in Environmental Engineering at Mulawarman University. His educational background serves as a strong foundation for understanding environmental issues from both technical and policy perspectives.

<img alt="Bobby enviro hjf 2" src="https://api.tbpnickel.com/storage/images/old/images/Bobby Enviro HJF 2.jpg" title="Bobby enviro hjf 2">
<figcaption>Bobby Loys Lengga, Environment Superintendent at PT Halmahera Jaya Feronickel, one of Harita Nickel's subsidiaries operating a pyrometallurgical smelter</figcaption>

Before joining PT HJF, Bobby built his career at a coal mining company. That experience in the energy sector strengthened his understanding that each type of mining has unique environmental challenges that need to be managed preventively rather than reactively.

“We work in an industry; there will definitely be impacts. But that doesn’t mean they can’t be controlled,” he said. “The important thing is to know the risks, what the mitigation measures are, and take responsibility if something needs to be fixed.”

According to Bobby, the biggest challenge is not technical. Rather, building environmental awareness among fellow employees is more complicated. He said rules can be made, but if people are indifferent, nothing will work.

“Building a culture is difficult. But little by little it can be done, as long as it is consistent. Education must be ongoing,” he said.

He believes that continuous education and a persuasive approach are key to fostering a sense of ownership toward a sustainable working environment. For Bobby, working on Obi Island is not just about a career, but also about contributing to a region that is an important part of the eastern Indonesian ecosystem.

“We want to show that industry can also be part of the environmental solution, not just a source of problems,” he said.

He hopes that in the future, environmental awareness in the industrial sector will continue to increase. “I am optimistic, especially seeing the enthusiasm of the younger generation who are increasingly concerned about sustainability issues,” he concluded.

Bobby Loys Lengga’s Role in Building a Culture of Environmental Care

The newly constructed commercial area in Kawasi New Settlement was officially inaugurated through a festive event SAPA Kawasi 2025 (Semarak Pasar Rakyat Kawasi) on 15-24 May 2025. This inauguration marks an important milestone in building an economic hub for the community around Harita Nickel's operations on Obi Island, South Halmahera.&nbsp;
The commercial area is an economic support facility in the new settlement of Kawasi Village, a program initiated by the South Halmahera Regency Government and supported by Harita Nickel to provide decent and integrated housing. Residents who previously traded in the old settlement get replacement kiosks located strategically in this newly developed and organized location.&nbsp;

 
<figure><img alt="24052025 hn grand launching sapa kawasi 11" src="https://api.tbpnickel.com/storage/images/old/images/24052025_HN_Grand Launching SAPA Kawasi_11.jpg"> </figure>
Kawasi Village Head, Arifin Saroa, in his remarks at the SAPA Kawasi launching night, invited the community to utilize the commercial area as an economic resource for local traders in the new settlement. He also asked for support from Harita Nickel so that employees could support it by shopping at the local market. 
In addition to the commercial area, Arifin also expressed his appreciation to Harita Nickel for providing access to the Akelamo River bridge, which connects Kawasi and Soligi villages. According to him, land access can encourage local economic growth.&nbsp;

“Let's organize it well so that we can trade together, do you agree, waina Soligi and Kawasi?&nbsp; Waina from Soligi and Kawasi can now work well in business because Harita Nickel has opened business spaces, giving us access to land routes. Let's support Harita's programs together, because these programs are very useful,” he said, inviting local traders (waina) who were present that night.

Deputy Head of Technical Support of PT Obi Sinar Timur, one of Harita Nickel's subsidiaries, Amirudin, said SAPA Kawasi is a a tangible demonstration of the company’s commitment to local economic development. He expressed hope that&nbsp; SAPA Kawasi, as a means to promote commercial areas, can raise the potential of local MSMEs.&nbsp;

<img alt="24052025 hn grand launching sapa kawasi 75" src="https://api.tbpnickel.com/storage/images/old/images/24052025_HN_Grand Launching SAPA Kawasi_75.jpg"> 
The grand launch night of SAPA Kawasi was enliven by the performance of guest star Alan Darmawan, who performed his song “100 Million.” As the crowd mingled with Insan Harita, they sang together in front of the entertainment stage. Meanwhile, children were seen enjoying a number of game rides not far from the entertainment arena. MSME stalls selling various culinary delights, handicrafts and daily necessities were attracting visitors.

Regent of South Halmahera, Hasan Ali Bassam Kasuba, who officially opened the event, praised the collaborative effort in establishing this economic hub. “On behalf of the Regency Government, I appreciate the inauguration of this economic area. I see great potential to encourage the economic growth of the community, especially MSMEs. Hopefully Kawasi will grow into a healthy, prosperous and competitive area,” he said.

After soft launching, Halsel local government through Harita Nickel will take a number of finishing works in the economic zone, such as greening and tidying up. Furthermore, after everything is complete and ready, the committee will make a grand launching.&nbsp; 
Through the development of this commercial area, Harita Nickel and the South Halmahera Regency Government remain committed to continuously improving local community welfare and supporting sustainable economic growth on Obi Island.

Just Launched, Kawasi Village Economic Zone to Ignite Local Economy

Used cooking oil, typically viewed as household waste, is now being strategically utilized as an alternative energy source at PT Megah Surya Pertiwi (MSP), a Harita Nickel operating unit on Obi Island.
Through its innovative use in the nickel ore drying process (dryer kiln), used cooking oil has enabled MSP to reduce daily coal consumption by up to 10%. This alternative energy source now contributes approximately 21% of the total heat energy required for drying operations.

Beyond energy efficiency, the initiative has generated immediate cost savings of IDR 79 million, with projected annual savings of up to IDR 320 million per production line.

Agung Sunardi Munim, Environment Compliance & Monitoring Supervisor at MSP, noted that the idea originated from the simple concept of repurposing waste cooking oil from the company’s canteen. “We identified unused kitchen oil as an overlooked asset. After testing, it proved to be both efficient and environmentally safe,” said Agung.

Since January 2023, the Environment team has developed and installed a dedicated system for collecting, filtering, storing, and injecting used cooking oil into the combustion chamber of the dryer kiln. Within three months, the system became fully operational and remains in consistent use.

<img alt="Inovasi smelter msp" src="https://api.tbpnickel.com/storage/images/old/images/Inovasi Smelter MSP.jpg" title="Inovasi smelter msp">
<figcaption>Used cooking oil becomes an alternative fuel for production operations at PT MSP smelter</figcaption>

By April 2023, the process was integrated into regular operations. The initiative follows detailed Standard Operating Procedures (SOPs), ensuring efficient scheduling and systematic management.

“Starting April 2023, the initiative has been applied routinely and is now fully integrated into our operational processes,” he added.

From an environmental standpoint, the use of used cooking oil offers significant benefits. With a calorific value of around 9,000 kcal/kg, higher than lignite coal, it generates fewer emissions and avoids harmful residues such as fly ash or excessive particulates. It also helps prevent water pollution and supports the company’s zero-waste objectives, aligning with regulatory standards under PermenLHK No. 4/2014 and Permen P.68/2016.

Due to its success and tangible impact, the program was awarded First Place at the business unit level in the Harita Continuous Improvement (HCI) 2024 event. It has also received recognition from the government as a concrete step toward supporting Sustainable Energy Initiatives in the industrial sector.

This initiative underscores PT MSP’s commitment to operational efficiency, environmental responsibility, and energy transition. It highlights how simple, data-driven innovations can yield substantial impact, both for the environment and the future of Indonesia’s nickel industry.

Low Emissions, Innovation of Used Cooking Oil into Alternative Energy at Harita Nickel Smelter

World Environment Day 2025 under the theme “Ending Plastic Pollution” reminds us that protecting the earth is a shared responsibility. Through an Enviro Talk discussion session entitled “Real Action for Our Earth”, Insan Harita organized a joint movement to stop plastic pollution.
The discussion, which was packaged in a casual yet contained vibe, was held at Cafe Kahyangan, an employee mess complex of PT Trimegah Bangun Persada Tbk (TBP), one of Harita Nickel's business units. Three internal speakers from the company shared knowledge about environmental management practices in their respective workplaces. 
 
Alam Firdausi, Environmental Superintendent, opened the discussion by explaining the hierarchy of waste management and its impact on the environment.
 
He introduced the circular economy concept, referencing William McDonough’s Cradle to Cradle framework. This model advocates for resource use in production processes that avoids waste generation by reintegrating materials into sustainable cycles.
 
“If we fully embrace the circular economy, waste will no longer be an issue in the future. All materials can be managed and repurposed instead of being disposed of,” he explained.
 
In alignment with this, Mokhamad Rifai, Mine Reclamation Superintendent, addressed the key theme of plastic waste. He emphasized the challenges posed by plastic’s slow degradation and potential toxicity, encouraging public understanding of plastic types through packaging symbols.
 
Rifai cited the risks associated with reusing mineral water bottles repeatedly due to potential chemical leaching when exposed to heat. He also highlighted Indonesia’s position as the world’s second-largest contributor to ocean plastic pollution.
 
Accordingly, he urged participants to adopt the principles of refuse, reduce, reuse, and recycle in their daily lives. He shared practical examples, such as repurposing used plastic bottles as tissue holders or biofilters in the company’s waste treatment facilities.
 <img alt="Pengolahan sampah tbp" src="https://api.tbpnickel.com/storage/images/old/images/Pengolahan Sampah TBP.jpg" title="Pengolahan sampah tbp"><figcaption>Composter facility used to produce organic fertilizer from canteen kitchen scraps.</figcaption>
 Additionally, M. Saifullah Nijar, Senior Environment Compliance Engineer, shared the team’s experience in organic waste management. He outlined a straightforward composting approach that utilizes existing equipment and materials.
 
Saifullah attributed the program’s success to active collaboration across stakeholders, stating, “We produce compost from organic waste collected from kitchen leftovers at the canteen. The compost is primarily used as fertilizer in public areas such as offices and places of worship.”
 
On this year's Environment Day (HLH), Harita's employees reaffirmed their commitment to implement business practices that promote environmental and social sustainability. 
 
In addition to TBP, other business units also organized various events to celebrate HLH. Among others, Harita Mengajar on plastic waste management will target school students in Kawasi Village, waste cleanup around the beach, and the annual Obi Fishing Tournament which will be held in mid-June.&nbsp;