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GRI Increases Green Manufacturing Efforts

One green manufacturing effort put in place by the company is the use of solar panels on the roofs of its factories to generate electrical energy.


GRI has expanded its sustainability efforts to ensure green processes in manufacturing, where waste materials are recycled and used productively, according to Ananda Caldera, executive director of GRI. “The tire industry is one of the highest energy-consuming industries as we use both electrical and thermal energy in tire production processes,” Caldera said. “For many years GRI has used biomass boilers to generate thermal energy and the steam we need to cure tires. For these biomass boilers, we use environmentally friendly alternatives such as the waste material generated by the sawmilling industry called outer planks. More recently, GRI started to use oat husks, which is a waste material from a neighboring and newly opened oats manufacturing plant, as biomass to generate thermal energy. The caloric value of the waste husk is almost the same as the wood waste. For thermal energy fuel we always use waste bi-products such as scrap wood and waste husk, thereby minimizing environmental impact.”

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Solar Power to Generate Electrical Energy

The company said it is also using solar panels to generate electrical energy that have been installed on the roofs of the factories, which currently generate 1.2 Mega Watts. GRI said it plans to increase the capacity to 2.5 Mega Watts with the expansion of its new factory.

Recycling Water and Planting Trees

The company also has a 24-hour water treatment plant that recycles water used for washing purposes. It is treated and reused for maintenance of landscape around the factory, Caldera said. The treated water is also used as cooling water for machines and other purposes.


“As our tire production is a dry process, liquid effluents are also not discharged into the environment. It is also our policy that for every tree we remove for factory expansion etc., that we plant two trees,” he said.

The company has planted more than 1,500 trees in and around its factories, according to Caldera.

Reusing and Reclaiming Rubber

The rubber waste that is generated through the manufacturing process is given to the local reclaim rubber industry. Once this rubber waste is processed, GRI repurchases the reclaimed rubber and rubber crumbs to be reused, the company said.


Optimizing Energy and Environmental Management

GRI has received ISO 50001 certification for its energy management system and ISO 14001 certification for its environmental management system. The company said it receives credit for its energy management system because it uses bio and solar energy. GRI also uses energy-efficient motors so it is not wasting electrical energy. The energy efficiency certification is given to factories that only have a qualified energy manager heading the energy program, the company said.

Caldera said the company installed capacitor banks for power factor correction, which has led to a decrease in total power consumption and demand.

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