microbial waste digestion Articles
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Impact of cleaning agents on Anaerobic Digestion performance - Case Study
SENTRY-AD is a real-time, bio-electrode sensor that allows for the monitoring of microbial metabolic activity in the anaerobic digestion (AD) wastewater treatment process. The data generated by the bio-electrode sensor allows operators to monitor the impact of toxic chemicals on microbial health in the AD system. Cleaning agents, biocides, are used for equipment and container sterilization in ...
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Biochemenergy: a project to turn an urban wastes treatment plant into biorefinery for the production of energy, chemicals and consumer's products with friendly environmental impact
Urban bio-wastes (UBW) contain soluble bio-organics (SBO) with excellent surfactant properties are proven or expected to perform as bio-based products for use in chemical and environmental technology, in agriculture and in animal husbandry as well as or better than commercial synthetic products. On these basis, UBW are proposed as renewable sources of a wide number of products with potential sale ...
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Effect of temperature on composting residual Organic Fraction of Municipal Solid Waste (OFMSW) after anaerobic digestion
Aerobic composting is generally considered as a necessary post-treatment for residual solids after anaerobic digestion. This study aimed to determine the effects of temperature on biodegradation, microbial population density in composting residual OFMSW after anaerobic digestion. Four composting runs at different set temperatures were conducted. The rate of CO2 and NH3 emissions, moisture ...
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Huckabay Ridge
Location: Stephenville, TX Online date: November 2006 Acquisition Date: November 2010 In 2010 Element Markets acquired the largest anaerobic digestion facility in North America through its wholly owned subsidiary EM Biogas. The Huckabay Ridge Anaerobic Digestion Project, located in a large dairy community in Stephenville, Texas, turns manure and substrate (glycerin, grease trap and other organic ...
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Methods of ammonia removal in anaerobic digestion: a review
The anaerobic digestion of substrates with high ammonia content has always been a bottleneck in the methanisation process of biomasses. Since microbial communities in anaerobic digesters are sensitive to free ammonia at certain conditions, the digestion of nitrogen-rich substrates such as livestock wastes may result in inhibition/toxicity eventually leading to process failures, unless ...
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Science: Three-megadalton complex of methanogenic electron-bifurcating and CO2-fixing enzymes
Methanogenic archaea use complex enzyme systems to survive in anoxic environments with limited energy. A key mechanism for energy conservation is electron bifurcation, a reaction that "splits" the energy of a pair of electrons, thus making one electron more reductive at the cost of the other. In a new study, researchers from the Max-Planck Institute for Terrestrial Microbiology and the ...
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