Developments in Water Treatment 2 Book (PDF) by W.M.Lewis - Free Download

DEVELOPMENTS IN WATER TREATMENT 2 BOOK BY W.M.LEWIS – PDF FREE DOWNLOAD

ABOUT THE BOOK

DEVELOPMENTS IN WATER TREATMENT-2

AUTHOR : W.M.LEWIS

PUBLISHERS : APPLIED SCIENCE PUBLISHERS

‘Surveillance of Drinking Water Quality’ published by WHO in 1976 in its introduction stated that ‘Public health protection of drinking-water supplies should assure that each component of the system—source, treatment, storage and distribution—functions without risk of failure’. Drinking water is perhaps, together with the air we breathe, a unique commodity in that the general population is normally permitted no freedom of choice, so the assurance that the water available for drinking is of the highest quality is of paramount importance.

Since the universal introduction of disinfecting agents in water supplies in developed countries, risks to health from microbially contaminated drinking water have been dramatically reduced. Today the problem confronting personnel responsible for ensuring the public’s water supply is perhaps of a much more subtle character brought about, in part at least, by the rapid progress in analytical chemistry and the environmental awareness of the general public resulting in the demand for the creation of standards of quality for drinking water. Chemicals present in raw water supply range from simple ions extracted from soil and minerals in the watershed to (in some instances) unidentified waste products from the chemical industry, the length of the list being limited only by the capabilities of the analytical chemists and their instruments. The ‘treatment process’ is not a single identifiable parameter but is dependent upon the nature and quality of the raw material and may for example involve only simple filtration or filtration plus disinfection. On the other hand if the quality of the supply water is from a lowland river, such as the three previously mentioned, then it follows that a combination of individual processes, commencing with coagulation for the removal of suspended matter, etc., and employing perhaps the majority of the techniques described, will be essential to provide the required quality of drinking water.-Preface by the author.

CONTENTS

1.         Filtration

2.         Removal of Organic Compounds

3.         Removal of Nitrogen Compounds

4.         Desalination

5.         Disinfection

6.         Sludge Treatment and Disposal

7.         Water Quality Monitoring

* Above mentioned topics are main topics of this book and there are many sub-topics under those. Please refer the Previewbelow for detailed contents *

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