(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start': new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0], j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src= 'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f); })(window,document,'script','dataLayer','GTM-XXXX');
Circular Economy

Circular Economy

Choose

Circular Economy

Responsible Management of By-products at Harita Nickel

Harita Nickel
Harita Nickel is dedicated to the responsible management of operational waste and wastewater, with a strong commitment to safeguarding both people and the environment.
Enviro
Our waste management practices comply with government regulations and align with industry best practices, guided by the principles of Reduce, Reuse, and Recycle (3R). We place a high priority on innovative and sustainable solutions for wastewater management, fully adhering to the conditions and requirements set forth in our government-issued permits.

By-products
Tailing Nickel Slag Other Non-Hazardous Waste
Our Initiatives

 

Reuse of Nickel Slag


Since 2023, Harita Nickel has been innovating to enable the reuse of nickel slag—residual material from the processing of saprolite nickel ore.
ore
In 2024, a total of 228,487 tons of nickel slag was repurposed as raw material for bricks, road construction, and artificial reef structures. Additionally, we have begun exploring the use of nickel slag as a planting medium to support reforestation efforts within the Obi Industrial Area.

 

 

Tailing Management


Tailing refers to the liquid residue produced from nickel refining using High Pressure Acid Leach (HPAL) technology. Harita Nickel does not dispose of tailing into the sea; instead, we employ a method known as a Dry Stack Tailing Facility.
Facility
In this method, the tailing is filtered to separate solids from liquids. The liquid portion is then neutralized and recirculated back into the HPAL facility for reuse, while the dry, solid tailing is used to rehabilitate former mining areas.
areas
Currently, Harita Nickel is developing a pilot project to extract iron content from the tailing.

Processing of Other Non-Hazardous Waste


Harita Nickel operates a 3.3-hectare Integrated Waste Processing Facility to manage household waste generated across the entire complex, including canteens, kitchens, living quarters, and offices.
Offices
In the future, organic waste will be processed to produce methane gas, which can be used as fuel for stoves, as well as converted into fertilizer. Inorganic waste will be incinerated, with the resulting ash repurposed as a material for concrete blocks and bricks.

.