Concise Encyclopedia of Bioresource Technology by Ashok Pandey

By Ashok Pandey

An easy-to-use reference resource at the functions and administration of biotechnology!

The Concise Encyclopedia of Bioresource know-how is a special source for state of the art study findings on biotechnological techniques and their strength for advertisement exploitation. This complete reference promises instant entry to info at the program of bioresource expertise because it pertains to business, nutrients, and environmental biotechnology. Practitioners, teachers, and researchers representing quite a lot of disciplines research important concerns together with the construction and purposes of microbial enzymes and natural acids, fermentation, wastewater remedy, and pollution.

The Concise Encyclopedia of Bioresource expertise will deliver you brand new on advances within the purposes and administration of bioprocesses, biomass, bioenergy, organic waste remedy, biotransformations, and conversion and creation applied sciences. This important details has been geared up in an easy-to-use layout that permits you to get to grips with highlights of the main correct themes and comprises pictures, figures, and tables.

Issues addressed within the ebook contain:

agro-industrial residues for bioprocesses solid-state fermentation for bioconversion of biomass alcoholic fermentation foodstuff grade yeast construction remedy of business effluents anaerobic animal waste environments reactors for wastewater remedy and lots more and plenty extra!

The Concise Encyclopedia of Bioresource expertise is a crucial source for practitioners, researchers, and lecturers operating within the components of biotechnology, chemical engineering, source, power and conservation sciences, technique know-how, utilized microbiology, and farm and commercial waste expertise.

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Denitrification is carried out by denitrifying bacteria (DB), which reduce nitrates to nitrogen gas using the organic matter in the wastewater. 2. 2 are generally followed by conventional secondary treatments. Subsequent discussions are limited to biological treatment of wastewaters that are employed to remove nutrients. 2. Purpose and processes involved in advanced wastewater treatment schemes Purpose of treatment Additional removal of suspended matters Additional removal of dissolved organics Target pollutants BOD, CODa, TOCb, SSc DOCd, TDSe, Soluble BOD/COD Prevention of eutrophication Nitrogen Phosphorus Reuse Soluble inorganics Virus, bacteria aChemical oxygen demand bTotal organic carbon cSuspended solids dDissolved oxygen concentration eTotal dissolved solids Treatment technologies Rapid sand filtration, coagulation, ultra/membrane filtration Activated carbon, coagulation, biological processes, ozonation Ammonia stripping, ion exchange, break-point chlorination, denitrification Bio-P removal, coagulation, adsorption, ion exchange, crystallization Reverse-osmosis, filtration, electrodialysis, and ion exchange Ozonation, UV radiation, chlorination NUTRIENTS IN WASTEWATER Nitrogen and phosphorus are the major nutrients in wastewater.

Although the aerobic process is favored over the anaerobic process due to its stability, reliability, and better process understanding, the anaerobic process has some clear advantages as discussed in the next section. 5 kg biomass per kg BOD removed). The methane gas produced in anaerobic processes can be used as an energy source. Further, the energy required for mixing in the anaerobic processes is less than the energy required for aeration in aerobic processes. However, slower reaction rates in anaerobic processes require larger treatment plants.

Although the overall performance of biological phosphorus removal is satisfactory and inexpensive, accidental increase of effluent phosphorus concentration is unavoidable. 3b. Removal of both nitrogen and phosphorus can be achieved by combining the treatment processes discussed previously. This process is termed biological nutrient removal (BNR). All aerobic, anoxic, and anaerobic processes are involved in the BNR of nitrogen and phosphorus. 1. (a) Nitrogen removal using anoxic and aerobic zones in a secondary treatment system; (b) oxidation ditch used for the removal of organic matters and nitrogen; (c) rotating biological contactors used for the removal of organic matters and nitrogen; (d) fill-and-draw method used in the sequencing batch reactor for the removal of organic matter and nitrogen.

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