Following are the factors affecting methane production: 1. Slurry: Proper solubilisation of organic materials (the ratio between solid and water) should be 1:1 when it is house hold type. 2. Seeding: In the beginning, seeding of slurry with small amount of sludge of another digester activates methane evolution. Sludge contains acetogenic and methanogenic bacteria. 3. […]
Factors Affecting Methane Production | Microbiology
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Composition of Sewage | Microbiology
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In this article we will discuss about the composition of sewage. Sewage is the used and wastewater consisting of human excreta, wash waters, and industrial and agricultural wastes (e.g. wastes from live stock i.e. chicken, cattle, horse, etc.) that enter the sewage system. In general sewage contains about 95.5% water and 0.1 to 0.5% organic […]
Heavy Metal Tolerance in Microbes | Microbiology
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Algae, bacteria, actinomycetes, fungi, higher plants, cyanobacteria., are the major microorganisms reported to tolerate heavy metals which universally occur in diverse ecosystems with meaning frequency. 1. Algae: The species of Chlorella, Anabaena inaequalis, Westiellopsis prolifica, Stigeo clonium tenue, Synechococcus species, Selenastrum capricornutum etc. tolerate heavy metals. 2. Bacteria: Bacteria resistant to heavy metals were frequently […]
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