Kerala Chief Minister Pinarayi Vijayan inaugurated Bharat Petroleum Corporation Limited’s (BPCL) Compressed Biogas (CBG) plant at Brahmapuram near Kochi. Kochi has become the first city in Kerala to commission a CBG plant dedicated to treating biodegradable municipal solid waste. With this project, the state has taken a major step toward scientific and sustainable waste management.
150 TPD Waste Processing Capacity
The newly commissioned plant will process 150 tons per day (TPD) of source-segregated biodegradable municipal solid waste (MSW). Once fully operational, the facility will generate:
*5.6 tonnes of compressed biogas (CBG) daily
*28 tonnes of organic manure per day
The initiative creates a mutually beneficial partnership between BPCL and the Kochi Corporation. While BPCL strengthens its clean energy portfolio, the city gains a long-term solution to mounting municipal waste challenges.
How the CBG Plant Converts Waste into Energy
The plant follows a systematic waste-to-energy process. First, workers remove non-biodegradable materials such as plastic and metal. They then segregate, shred, and mix the biodegradable waste with water to form slurry.
Next, the slurry enters large anaerobic digesters, where microorganisms decompose the waste in the absence of oxygen. This biological process produces biogas and digestate as by-products. Finally, the facility upgrades the biogas into compressed biogas (CBG), while the digestate is processed into nutrient-rich organic manure. As a result, the plant converts urban waste into clean energy and valuable agricultural inputs.
Expansion Plans Across Kerala
Building on this milestone, the Kerala government plans to establish similar CBG plants in Kozhikode, Kollam, Palakkad, Thrissur, and Kottayam. Once these facilities become operational, the state expects significant improvements in biodegradable waste management and clean energy generation.
Boost to Sustainable Urban Infrastructure
Importantly, the Brahmapuram CBG plant demonstrates how public-sector energy companies can collaborate with urban local bodies to address environmental challenges. By transforming municipal waste into renewable fuel and organic manure, the project supports circular economy principles and reduces landfill dependence. As reported by thehindubusinessline.com, the commissioning of the Kochi CBG plant marks a significant advancement in Kerala’s sustainable waste management and bioenergy infrastructure.
