Waste Management

Download Basic Environmental Engineering by R.C. Gaur PDF

By R.C. Gaur

The publication covers the hot syllabus of the semester scheme for the 1st yr in R.T.U. and different universities. It encompasses the sensible functions of the topic, that's the genuine desire of the hour and likewise discusses the foremost environmental difficulties we are facing this present day. It includes real info supplied via different Manuals ready through The C.P.H.E.E.O. It contains examples of alternative tasks and schemes for representation. basic sketches and more uncomplicated derivations of the mathematical formulations were followed. evaluation questions on the finish of every bankruptcy are given to check the knowledge of the reader. the sensible difficulties of box and basic suggestions were correlated via the substantial adventure and deep feel of outrage to the mum earth.

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Sometimes the underground water is also tapped at a local level by a very wide open well known as Baori. Actually Baori is a stepped well in which one can step down to the water level and fetch the water manually. These step wells were constructed in old times at places where the underground water was not very deep. This way the water below the ground may be used as a source of water supply. 6 BASICS OF THE WATER SUPPLY SCHEMES Actually wherever a water supply scheme is framed (scheme means a system to draw water from suitable source, treat it and then supply it to the consumers) a comparison is made between all the possible solutions.

Though the weight of the earth dam also resists the forces, but the structural behavior of an earth dam is different from that of a gravity dam (Stone or concrete dam). When the valley is wide and foundation is less strong, good soil is available; earth dam is a good option as it is more environment friendly. (ii) Gravity Dam: A gravity dam is made of stone and concrete, and resists the water pressure, uplift pressure, wind pressure etc. due to its weight. They are more suitable for narrow valleys with steep side slopes and strong foundation because of more weight.

Iv) Dry Ice Method (Chemical Method) In this method sodium dioxide (dry ice) and hydrochloric acid are used. First of all HCl is poured in the well and the well is closed from the top. Compressed air is supplied which pushes the HCl into the voids of the soil. The top plug is then removed and dry ice blocks are dropped which sublimate to release CO2 which builds up a high pressure. This high pressure gas comes out of the tube-well with pressure followed by the water mixed with mud in the form of a jet.

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