The problem

The principal objective of wastewater treatment is generally to allow human and industrial effluents to be disposed of without danger to human health or unacceptable damage to the natural environment. Irrigation with wastewater is both disposal and utilization and indeed is an effective form of wastewater disposal (as in slow-rate land treatment). However, some degree of treatment must normally be provided to raw municipal wastewater before it can be used for agricultural or landscape irrigation or for aquaculture. The quality of ....etc

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TREATMENT OF WASTES FROM TANNERIES IN INDIA
Presented By:
Anshumali Padhi
M.Tech (Environmental Engg.)
VNIT, Nagpur


INTRODUCTION
The tanning industry is one of the oldest industries in India.
Tanning is the process of making leather which does not readily decompose from the skins of animals.
It involves chemically binding of the organic or inorganic materials to the protein structure of the hide & preserve it from deterioration.
The substances generally used to accomplish the tanning proce ....etc

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treatment of cancer using nanotechnology ppt

The use of nanotechnology in cancer treatment offers some exciting possibilities, including the possibility of destroying cancer tumors with minimal damage to healthy tissue and organs, as well as the detection and elimination of cancer cells before they form tumors.

Most efforts to improve cancer treatment through nanotechnology are at the research or development stage. However the effort to make these treatments a reality is highly focused. For example, The Alliance for Nanotechnology in Cancer ....etc

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treatment of dairy effluents ppt

Abstract

Milk has important place in human life. The dairy industry involves processing of raw milk into products like consumer milk, butter, cheese etc. The quantity of water required in a milk processing plant depends upon the size of the plant, generally expressed in terms of the maximum weight of milk handled in a single day, and the processes involved. The daily volume of water required may vary widely, depending mainly on the availability of water and the control of all water using operation in the plant ....etc

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Wastewater Treatment systems rely on microbes to perform the function of the breakdown of sewage influent. These microbes live in the sludge of treatment plants and holding tanks. They digest the solids and breakdown various compounds. Some wastewater treatment systems are exceptionally efficient, others perform effectively soon after start up, but later stop performing as well.
The key to understanding how and why some wastewater treatment systems work well and others don't, is the need to understand what these microbes need to function. As mi ....etc

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Advanced nutrient removal processes, while improving the water quality of the receiving water body, can also produce indirect environmental and health impacts associated with increases in usage of energy, chemicals, and other material resources. The present study evaluated three levels of treatment for nutrient removal (N and P) using 27 representative treatment process configurations. Impacts were assessed across multiple environmental and health impacts using life-cycle assessment (LCA) following the Tool for the Reduction and Assessment of C ....etc

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A cryogenic treatment is the process of treating workpieces at cryogenic temperatures (ie below -190 C) in order to eliminate residual stresses and improve the wear resistance of steels. In addition to seeking improved stress relief and stabilization or wear resistance, cryogenic treatment is also sought for its ability to improve corrosion resistance by precipitating micro-fine eta carbures, which can be measured before and after in one part using a quantimet.
The process has a wide range of applications from industrial tools to improving th ....etc

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