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DEVELOPMENTS
IN WATER TREATMENT 2 BOOK BY W.M.LEWIS – PDF FREE DOWNLOAD
IN WATER TREATMENT 2 BOOK BY W.M.LEWIS – PDF FREE DOWNLOAD
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ABOUT THE BOOK
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DEVELOPMENTS
IN WATER TREATMENT-2
IN WATER TREATMENT-2
AUTHOR
: W.M.LEWIS
: W.M.LEWIS
PUBLISHERS
: APPLIED SCIENCE 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.
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.
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.
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CONTENTS
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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 Preview
below for detailed contents *
and there are many sub-topics under those. Please refer the Preview
below for detailed contents *
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