A Short History of Anaerobic Digestion


The use of the AD process for treating industrial wastewaters has grown tremendously during the past decade. Worldwide, more than 1,000 vendor-supplied systems now operate or are under construction. It is estimated that European plants comprise 44% of the installed base. Only 14% of the systems are located in North America. A considerable number of the systems are located in South America, primarily Brazil, where they are used to treat the vinasse coproduct from sugar cane-based ethanol production.5

Processes such as AD and composting offer the only biological route for recycling matter and nutrients from the organic fraction of MSW. Composting is an energy-consuming process, requiring 50-75 kWh of electricity per ton of MSW input. Composting technology for MSW is commercially available and in use, but its further application is limited mainly by environmental aspects and process economics. AD is a net energy-producing process, with around 75-150 kWh of electricity created per ton of MSW input. MSW digestion technology is now being demonstrated and fully commercialized.

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I have attached some information for your reference.









For inquiries and request for quotation (RFQ), email gregoriojess@yahoo.com

Jess C. Gregorio

Sales & Marketing

InSpecIT Inc.

Unit 719/722 City & Land Mega Plaza Bldg.

ADB Ave. cor. Garnet Road, Ortigas Center

San Antonio, Pasig City, Philippines 1605


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