Defence electronics major Bharat Electronics Ltd. says it has started converting several kilos of canteen waste into biogas every day for cooking, which equals 70 kg of LPG.
Installed at its Bengaluru complex in February, “the new plant has already helped replace about 1,800 kg of LPG with biogas. This has resulted in [potential] saving of Rs. 11.7 lakh a year for BEL,” the Central public sector company said on Friday.
The canteen prepares food for approximately 10,000 employees. The plant uses an anaerobic biomethanation technology called ‘Upflow Anaerobic Sludge Blanket’ to convert discarded food into sustainable, clean energy. It supplies biogas back to the canteen at LPG-like pressure.
Installed at a cost of Rs. 40 lakh, the plant can potentially digest two tonnes of waste a day to produce 160 cubic metres of biogas.
