منابع مشابه
Protozoal Development and Natural Purification of Flowing Sewage
A large volume of literature has accumulated ?n the "self-purification" of sewage-contaminated streams and rivers, and the process of purification Under these conditions has been reported to be one to factors such as the turbulence and speed of flow of the polluted waters, the depth and type of the bed of the watercourse, the extent of dilutlQn, sedimentation, surface area, sunlight, temperatur...
متن کاملNon-conventional Sewerage
Conventional wastewater collection systems are installed to remove human wastes from households in cities and urban areas. This system demands high water supply rates as the wastes are flushed through pipes using water that flows under gravity. This system is capital extensive, and has been found to be not suitable in urban areas with smaller population sizes. Also, for the same reason, not sui...
متن کاملComparison of Material Flows in Sewage-free and Sewage-generating Flue-Gas Purification Systems of Municipal Waste Incineration Plants
During incineration of wastes in waste incineration plants, polluted flue gases are generated which have to be subjected to flue gas purification. Although the legal requirements are nearly unambiguous, the question of whether wet flue gas purification is to be performed in a sewage-free or sewage-generating manner is discussed controversially by experts in the Federal Republic of Germany. As a...
متن کاملSynchronous municipal sewerage-sludge stabilization.
A study on a pilot plant accomplishing synchronous municipal sewerage-sludge stabilization was conducted at a municipal sewerage treatment plant. Stabilization of sewerage and sludge is achieved in three-step process: anaerobic reactor, roughing filter and a microbial-earthworm-ecofilter. The integrated ecofilter utilizes an artificial ecosystem to degrade and stabilize the sewerage and sludge....
متن کاملOccurrence of zoogloea colonies and protozoans at different stages of sewage purification.
The presence of fingered branch-bearing Zoogloea has been noted on a number of occasions in the Baroda Sewage Disposal Works. Samples of raw sewage, the effluent from the continuous flow settling basin, the raw sludge, the floating scum in the settling basin, the final secondary digested sludge, and the supernatant liquid from the secondary digester were kept without any disturbance in 1-liter ...
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ژورنال
عنوان ژورنال: Journal of the American Chemical Society
سال: 1905
ISSN: 0002-7863,1520-5126
DOI: 10.1021/ja01990a018