biodegradable waste processing Applications

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Waste water respirometry solutions for process optimisation

by Strathkelvin Instruments Ltd.     based in Motherwell, UNITED KINGDOM

Respiration rate of activated sludge has been recognised as a key controlling element in the modelling of process control, by the International Water Association Task Group. Actual respiration rate of the sludge in the aeration tanks, as well as the endogenous and maximum respiration rates are variables that indicate the rate of BOD removal and aeration requirements. The maximum respiration rate is also closely linked to the Critical Oxygen Concentration point, that is, the point at which diffusion over the bacterial cell walls ceases and therefore biodegradation is significantly compromised.

Biological wastewater processes for petrochemical

by Biowater Technology     based in Cumberland, RHODE ISLAND (USA)

This wastewater typically contains a lower biochemical to chemical oxygen demand.  We determine biodegradability of each waste stream and the presence of toxic or inhibitory compounds. 

Energy and Fuels from Municipal Solid Waste (MSW)

by Advanced Plasma Power (APP)     based in Swindon, UNITED KINGDOM

Municipal Solid Waste (MSW), which includes household waste, is the residual waste put into a black bin bag or wheelie bin. MSW contains a mixture of recyclable, organic, inorganic and biodegradable materials. We recover as many recyclable materials as possible before drying and shredding the remainder to make a Refuse Derived Fuel (RDF) for the process. Our energy from waste process, Gasplasma®, transforms the RDF into a clean hydrogen-rich synthesis gas (syngas).

Membrane filtration systems for biotechnology and pharmaceutical industry

by GEA Filtration     based in Hudson, WISCONSIN (USA)

GEA Filtration is experienced in processing a wide range of products on a commercial basis and by testing products at the plant site or in our pilot plant testing facility. Definition of the Industrial Biotech and Environmental Biotech Sector. This sector uses living organisms to manufacture a variety of products that result in the reduction of pollution, resource consumption and waste. Typical products include bioethanol, industrial enzymes, biological fuel cells, enzymes for bioremediation, biodegradable plastics and much more.

Wastewater treatment solutions for anaerobic sludge digestion sector

by QM Environmental Services Ltd.     based in The Hague, NETHERLANDS

Anaerobic digestion is a series of processes in which microorganisms break down biodegradable material in the absence of oxygen, used for industrial or domestic purposes to manage waste and/or to release energy. It is widely used as part of the process to treat wastewater, like Upflow Anaerobic Sludge Blanket (UASB) reactors. As part of an integrated waste management system, anaerobic digestion reduces the emission of landfill gas into the atmosphere. Anaerobic digestion is widely used as a renewable energy source because the process produces a methane and carbon dioxide rich biogas suitable for energy production, helping to replace fossil fuels. The nutrient-rich digestate which is also produced can be used as fertilizer. The digestion process begins with bacterial hydrolysis of the input materials in order to break down insoluble organic polymers such as carbohydrates and make them available for other bacteria. Acidogenic bacteria then convert the sugars and amino acids into carbon dioxide, hydrogen, ammonia, and organic acids. Acetogenic bacteria then convert these resulting organic acids into acetic acid, along with additional ammonia, hydrogen, and carbon dioxide. Finally, methanogens convert these products to methane and carbon dioxide.

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