Anaerobic digestion gets new life on farms

Article Abstract:

On-farm anaerobic digestion is an improvement on the technology of biogas systems and is receiving increasing attention from farmers, researchers and government officials since 1993. The global climate change due to methane has led to a renewed interest in anaerobic digestion. Odor control and water quality are the main reasons for farmers' interest in anaerobic digestion. The AgSTAR program within EPA is a result of an initiative taken to help farmers make decisions on on-farm methane recovery. Anaerobic digestion is applied to both individual farms and cooperative projects.

Innovations, Evaluation, Energy industries, Energy industry, Water quality management, Odor control

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Anaerobic digestion for MSW and industrial wastewater

Article Abstract:

An application for anaerobic digestive technology is the digestion of municipal solid waste. The technique is an effective treatment option for industrial wastewater rich in organics. The industry has grown tremendously with more than 600 systems under construction or operation. Anaerobic by-products can improve a compost as they are rich in nitrogen, potassium, phosphorous, iron and magnesium content, and enhance the composting process.

Usage, Refuse and refuse disposal, Waste disposal, Compost, Anaerobic bacteria, Industrial wastes

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Converting wet organics with anaerobic digestion

Article Abstract:

The Hilton Hawaiian Village on Waikiki Beach in Honolulu could cut down its expenditure by over $33,000 in 1994 due to a new organics recycling program that recycles vegetable trimmings and wet food scraps from the kitchen. Gathering and processing are done through a contract with Unisyn Biowaste Technology, a private firm located in Waimanalo. Waimanalo facility has attracted international attention.

Food, Vegetables, Hilton Hawaiian Village (Honolulu, Hawaii)

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