H2S can be scrubbed from biogas either using Chemical means or Biological means.
Using the Chemical method of scrubbing it involves a high amount of regular operating expenses by way of higher power requirement and regular expense on chemicals. However, in using the Biogas Clean Scrubber the operating expenses are negligible.
This makes a major impact in the overall cost and financial viability of the project.
Bio Gas Scrubbing Projects in India:
STP: 60 MLD STP at Perungudi (Chennai): Produces 350 M3/hour biogas with 10,000 ppm of H2S. With the biogas scrubbing system commissioned by DU in December 2011. Cleans the biogas to <200 ppm of H2S. This biogas is used to generate electric power in a 1 MW gas engine.
Distillery :NSL Koppa: This is a 60 KL distillery producing Ethenol. Their total biogas production is 650 M3 /hour with 30,000 ppm of H2S. A biogas scrubbing system commissioned by DU in December 2011. Cleans the biogas to <200 ppm of H2S. This biogas is used to generate electric power in a 1.4 MW gas engine with a waste heat recovery system.
Agro- Waste:Patanjali Food & Herbal Park, Haridwar produces waste water, generating 500 M3 /hour of biogas with 7500 ppm of H2S. A biogas scrubbing system is ready for commissioning by DU to give clean biogas with <200 ppm of H2S. This biogas will be used in a 1 MW gas engine with waste heat recovery system to generate electric power. This order was secured through M/s Kirloskar Integrated Technologies Ltd, Pune.
Distillery :Vitthal Copporation Ltd, Sholapur (Maharashtra) generates 750 M3/hr of biogas. A biogas scrubbing system is being supplied for producing enough clean gas which will produce 1.4 MW of power when burnt in a gas engine.
Agro- Waste: M/s Kirloskar Integrated Technologies Ltd, Pune agro waste plant at Abohar, Punjab. A biogas scrubbing system is being supplied to M/s KITL MW of power when burnt in a gas engine.
Paper Plant: M/s Satia Industries Ltd- Punjab. We are executing a turnkey job of a Bioscrubber for 150m3/hr biogas with a 370 Kwe gas engine with WHR- commissioning in mid- 2014.
Palm Mill Oil Effluent:Navbharat Agro- Seemandhra: We are executing a turnkey job - biogas scrubber along with a 1mwe Biogas engine with accessories.
Food processing waste: Pepsico - plants at Kolkatta and Ranjangaon- Maharashtra. We are installing biological scrubbing for power generation at the 2 units.
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