anaerobic digestion processes Articles

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Manure Spills: Prevention, Detection, Control Options, & the Role of Anaerobic Digesters

by BIOFerm™ Energy Systems  (Aug. 27, 2014)

An internet search for manure-related spills can lead to an exhausting list of news articles and images of catastrophic environmental damage. In Wisconsin alone, the ...

Manure Spills: Prevention, Detection, Control Options, and the Role of Anaerobic Digesters

by BIOFerm™ Energy Systems  (Aug. 27, 2014)

Manure Spills: Prevention, Detection, Control Options, and the Role of Anaerobic Digesters FOR IMMEDIATE RELEASE By Steven Sell, Biologist & Application Engineer Wednesdays August 27, 2014 ...

Wastes as fertilizer – Is this a way to lower food costs?

by GLOBE Foundation  (Aug. 30, 2014)

Researchers in the UK think they may have found a way to produce fertilizers that should cut farmers’ costs and at the same time boost some types of renewable energy. Their scheme, which involves using waste material from anaerobic digesters and ash from burnt biomass, would also cut fossil fuel use and save natural resources. ...

Maize Products Biogas CHP Gujarat

by Clarke Energy  (Sep. 17, 2014)

With a legacy of over seven decades, Maize Products has exemplified corn milling from a modest 1 tonne/day of crushing in the year 1941 to a crushing of 650 tonnes/day today. Honoured with the National Award for Import Substitution in the year 1976, Maize Products actively contributes in the research and development of starch & starch ...

Doubling the SRF production capacity with TANA Shark

by Tana Oy  (Sep. 24, 2014)

A company in France operating in landfill, waste management and fuel production businesses produces SRF (Solid Recovered Fuel) from unsorted industrial waste for their own mill. The key for improving productivity of all these three business areas is a more effective shredding process to increase the low SRF production capacity. TANA ran a ...

Thermophilic anaerobic digestion of sewage sludge with high solids content

by IWA Publishing  (May 7, 2014)

The treatment performance of thermophilic anaerobic digestion (AD) of sewage sludge with high solids content was investigated with two laboratory-scale thermophilic anaerobic reactors (R1 and R2) with a feeding of pre-centrifuged sewage sludge. Reactor R1 was fed with sludge of 3.7% total solids (TS). The volatile solids (VS) removal ratio ...

Vacuum evaporation treatment of digestate: full exploitation of cogeneration heat to process the whole digestate production

by IWA Publishing  (Aug. 7, 2014)

Vacuum evaporation represents an interesting and innovative solution for managing animal waste surpluses in areas with high livestock density. To reduce operational costs, a key factor is the availability of an inexpensive source of heat, such as that coming from an anaerobic digestion (AD) plant. The aim of this study was to test vacuum ...

Improving products of anaerobic sludge digestion by microaeration

by IWA Publishing  (Feb. 26, 2014)

Biogas, digested sludge and sludge liquor are the main products of anaerobic sludge digestion. Each of the products is influenced significantly by specific conditions of the digestion process. Therefore, any upgrade of the digestion technology must be considered with regard to quality changes in all products. Microaeration is one of the methods ...

Improving nutrient fixation and dry matter content of an ammonium-rich anaerobic digestion effluent by struvite formation and clay adsorption

by IWA Publishing  (Jul. 23, 2014)

The anaerobic digestion (AD) of organic wastes that contain nitrogen leads to its mineralization, yielding a digestate rich in ammonium (NH4+), an important fertilizing nutrient. The applicability of AD digestate as fertilizer can be improved by fixating the nutrients and increasing its dry matter content. Methods for the fixation and ...

Power Positive Resource Recovery

by BioCycle Magazine  (Aug. 22, 2014)

Using laws of thermodynamic analysis to evaluate the energy and power characteristics of wastewater and beneficial uses of biogas offers greater insight into best business practices and what is achievable. Growing numbers of waste-water treatment plants (WWTP) are striving to produce more power onsite. In recent years, there’s even been a ...

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