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Waste Water Treatment Plant - A Performance Evaluation

Waste Water Treatment Plant - A Performance Evaluation

Shashi Shekar T R; Anil Kumar M R

Scholars' Press
2019
pokkari
A pulp and paper mill is one of the major polluting industries. The quality and quantity of the effluents generated depends on the various unit processes, size of the mill, waste recycling capability, etc.1 A typical pulp and paper mill uses up to 225-320 m3 of water per tonne of paper produced and almost the whole quantity is released as effluent. Effluents of different characteristics quality are produced in digester plant, pulp washing, screening units, chlor alkali, bleaching unit and paper machine. About 75% of pulp produced in the world today, is obtained from chemical process in which ligno-cellulosic raw materials, (such as bamboo) are cooked with a variety of inorganic chemicals to obtain the fibrous pulp. During cooking, nearly 40-50% of the constituents of the raw materials, mainly the lignins, go into solution generating the major effluents.
The Fundamentals of Internal Combustion Engines

The Fundamentals of Internal Combustion Engines

Jinesh Kumar Jain; M P Singh

LAP Lambert Academic Publishing
2019
pokkari
This is a comprehensive book on Internal Combustion Engines for mechanical and automobile engineering undergraduates. It comprises of a breakdown explanation of all the parts that make up an Internal Combustion Engine and details the theory behind their working. Self explanatory sketches, graphs, line schematics of processes and tables along with illustrated examples, exercises and problems at the end of each chapter help in practicing the application of the basic principles presented in the text. The book factors in the various parameters that go into selection of a four-stroke and two-stroke engine, putting the reader eye-to-eye with automobile enthusiasts to understand the working of engines. In addition to the specifics, the book brings the reader up to speed with the latest developments that have taken place in the last few decades in relation with the automobile industry. This book can be used for refresher courses for professionals in automobile industries.