Co-processing Plastic Waste in Cement Kiln – Ambuja Cements Limited
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Co-processing Plastic Waste in Cement Kiln
Problem
- Plastic pollution is one of the most pressing global environmental challenges afflicting life.
- Plastics are difficult to degrade.
- Plastic waste is generated in large quantities from the recycled paper industry during pulping operations.
- The waste used to be dumped illegally in remote locations.
- The waste would eventually catch fire and emit harmful gases into the atmosphere.
Solutions
- Ambuja Cement pioneered the co-processing of plastic waste in cement kilns as an alternative fuel.
- Co-processing ensures complete energy recovery leading to natural resource conservation.
- It is an environmentally sound alternative to landfilling.
- High temperature and long residence time in cement kilns prevent emissions of any toxic fumes.
- The initiative meets all environmental compliance requirements.
Outcomes
- With consistent efforts, now the Ambuja plant has a capacity to handle around 500 tons per day
- In the last 8 years, these efforts cleared up> 5 lakh tons of plastic waste.
- The initiative was started from Vapi and later scaled to other areas.
- It was also later scaled to other states including UP, Maharashtra, Telangana, Haryana etc.
- Ambuja is now 6 times plastic-negative.
SKOCH Award Nominee
Category: Construction Materials
Sub-Category: Construction Materials
Project: Co-processing Plastic Waste in Cement Kiln
Start Date: 14-01-01
Organisation: Ambuja Cements Limited
Respondent: Neeru bansal
https://www.ambujacement.com/
Level: CLUB STAR
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Case Study
Co-processing Plastic Waste in Cement Kiln
Introduction:
Ambuja Cements Limited, formerly known as Gujarat Ambuja Cement Limited, is a major Indian cement producing company. The Company markets 100% of its cement and clinker product in Indian market.
Problem:
Plastic pollution is one of the most pressing global environmental challenges afflicting life. Plastics are difficult to degrade and plastic waste generated in large quantities from recycle paper industry during pulping operations. The waste used to be dumped illegally in remote locations and it would eventually catch fire and emit harmful gases to the atmosphere.
Solutions:
Ambuja Cement pioneered co-processing of plastic waste in cement kilns as an alternative fuel. Co-processing ensures complete energy recovery leading to natural resource conservation. It is an environmentally sound alternative to landfilling. High temperature and long residence time in cement kilns prevents emissions of any toxic fumes. The initiative meets all environmental compliance requirements.
Challenges:
Plastic pollution is one of the most pressing global environmental challenges of our time, afflicting life on land as well as under water and they are difficult to degrade. Plastic waste generated in large quantities from recycle paper industry during pulping operations.
Innovation:
Ambuja Cement pioneered co processing of plastic waste in cement kilns as an alternative fuel and promoted circular economy. The initiative was facilitated by the regulator and meets all environmental compliance requirements.
Outcomes:
In 2014, Ambuja nagar plant in Gujarat initiated co-processing of plastic at an approx. rate of 50 tons per day. With the consistent efforts, now the Ambuja nagar plant has a capacity to handle around 500 tons of plastic waste per day. In the last 8 years, these efforts led to clearing up of > 5 lakh tons of plastic waste by the company.
Opportunity:
The initiative was started from Vapi and later scaled to other areas such as Ahmedabad, Baroda, Morbi etc. It was also later scaled to other states including Uttar Pradesh, Maharashtra, Rajasthan, Telangana, Andhra Pradesh, Haryana etc.
Summary:
Co-processing is a more environmentally friendly and sustainable method of waste disposal as compared to land filling and incineration because of reduced emissions and no residue after the treatment.
For more information, please contact:
Dr Neeru Bansal,Head ESG at neeru.bansal@adani.com
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