anaerobic digestion processes Articles

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GTI Helps Dairy Plant Keep Treatment System Operating Successfully for 25 Years

by Geomembrane Technologies Inc. (GTI)  (Apr. 27, 2015)

The Customer: A large milk processing plant located in the United States with global distribution. The Customer’s Needs: The plant is located in an urban setting, surrounded by residences and businesses. Odor from the treatment system is a prime concern for the milk processor. When the milk processor acquired the plant, the biogas ...

Anaerobic biodegradability of fish remains: experimental investigation and parameter estimation

by IWA Publishing  (Mar. 27, 2015)

The generation of organic waste associated with aquaculture fish processing has increased significantly in recent decades. The objective of this study is to evaluate the anaerobic biodegradability of several fish processing fractions, as well as water treatment sludge, for tilapia and sturgeon species cultured in recirculated aquaculture ...

Alkaline treatment of high-solids sludge and its application to anaerobic digestion

by IWA Publishing  (Jan. 21, 2015)

High-solids anaerobic digestion is a promising new process for sludge reduction and bioenergy recovery, requiring smaller digestion tanks and less energy for heating, but a longer digestion time, than traditional low-solids anaerobic digestion. To accelerate this process, alkaline sludge disintegration was tested as a pretreatment method for ...

Lamb-Weston’s French Fry Plant Saves on Fuel Costs with ADI-BVF® Anaerobic Reactor

by ADI Systems Inc.  (Mar. 3, 2015)

Location: Taber, Alberta, Canada • Sector: Food & Beverage The Client: Lamb-Weston is a division of ConAgra Limited—one of the largest potato processors in the world. The company operates several french fry processing plants. The Client’s Needs: Lamb-Weston required a wastewater treatment solution at its plant in Taber, ...

Anaerobic Digestion—What Are the Economics?

by Waste Advantage Magazine  (Jul. 1, 2014)

Although solid waste AD facilities are just starting to emerge, haulers and their customers may see some benefits if the development trend continues. A Pro Forma Model objective can be constructed for strategic planning of an anaerobic digestion facility. Anaerobic digestion (AD) of food wastes in the U.S. is a developing market that is poised ...

Evaluation of anaerobic digestate as a substrate for vermicomposting

by Inderscience Publishers  (Aug. 5, 2014)

Vermicomposting is an established process to convert organic wastes into vermicastings suitable for plant growth. This research investigated the vermicomposting of anaerobic digestate with four different ratios of sawdust as a bulking material, for 75 days. The optimum proportion of anaerobic digestate to sawdust was identified as 70:30 based on ...

Software Download: Anaerobic Digestion Model No.1 (ADM1)

by IWA Publishing  (Jul. 18, 2014)

The IWA Task Group for Mathematical Modelling of Anaerobic Digestion Processes was created with the aim to produce a generic model and common platform for dynamic simulations of a variety of anaerobic processes. The purpose of this approach is to provide a unified basis for anaerobic digestion modelling. It is hoped this will promote increased ...

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 ...

A modified anaerobic digestion process with chemical sludge pre-treatment and its modelling

by IWA Publishing  (Jun. 5, 2014)

Activated Sludge Models (ASMs) assume an unbiodegradable organic particulate fraction in the activated sludge, which is derived from the decay of active microorganisms in the sludge and/or introduced from wastewater. In this study, a seasonal change of such activated sludge constituents in a municipal wastewater treatment plant was monitored for ...

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