Low Cost Emergency Water Purification Technologies Books

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Low Cost Emergency Water Purification Technologies


Low Cost Emergency Water Purification Technologies
  • Author : Chittaranjan Ray
  • Publisher : Butterworth-Heinemann
  • Release : 2014-03-24
  • ISBN : 9780124115316
  • Language : En, Es, Fr & De
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Natural disasters, tornadoes, hurricanes, and floods are occurring with increasing frequency. In emergencies, pure drinking water is quickly the most important item. Low Cost Emergency Water Purification Technologies provides the tips and techniques for supplying potable drinking water at low cost in the direst circumstances. Succinct and readable, this manual describes the various options for correcting unsanitary or unsatisfactory drinking water. Several treatment methods for contaminated water are reviewed and the pros and cons of each are discussed. Covers long-term technologies including sand filtration, packaged filtration units, pressurized filtration systems and natural filtration Addresses short-term strategies such as reverse osmosis-based filtration, cartridge filtration systems, and solar pasteurizations systems Describes disinfection systems, energy-saving applications, cost considerations and HA/DR applications

Development of a Decentralized Drinking Water Treatment Plant Based on Membrane Technology for Rural Areas in Vietnam


Development of a Decentralized Drinking Water Treatment Plant Based on Membrane Technology for Rural Areas in Vietnam
  • Author : Ngoc Dao Trinh
  • Publisher : kassel university press GmbH
  • Release : 2018-06-28
  • ISBN : 9783737605168
  • Language : En, Es, Fr & De
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Membrane technology with effective removal of microbial contaminants has been applied widely in drinking water treatment (DWT), but its sustainable and efficient application in rural areas still needs practical research. Backflushing and chemical cleaning are well investigated for membrane-based systems. However, these methods are not always followed properly and in full, especially in cases of applications for remote areas in developing countries. Important key challenges in real world applications are how the system would actually sustain with unskilled personnel, with no electric power for backflushing or with no chemical cleaning on the long run. These challenges were addressed within the framework of this dissertation. A dead-end Ultrafiltration (UF) with flat-sheet membranes was configured to a stationary DWT system working with low pressure and simplest maintenance, in combination with a suitable chlorination solution without energy demand. In the literature review of this dissertation, an overview of many up-to-date membrane based systems in different categories of use is given in detail, covering different aspects of technology, service efficiency and economics. Hydraulic performance of membrane-based systems is normally studied in lab-scale in limited periods from hours to days. Thus, highlight of this research is the investigation of a full-scale demonstration plant based on UF flat-sheet membrane with pore size of 40 nm, conducted in the Hydraulic Workshop at the University of Kassel, operated continuously day and night for long-term tests. The long-term examination focused on many aspects, from hydraulic performance including flux, permeability, transmembrane pressure, efficiency of the simple membrane cleaning methods, to biological quality of treated water and also efficiency of chlorination by using a mechanical chlorine dosing device. During long-term examination, the phenomenon of gas generation from the water in the plant was recognized. The influence of this phenomenon on the permeate flow rate was evaluated and solution for this problem by the gas trapping device was investigated in this research. The experimental results from long-term examination of the Pilot Plant at the University of Kassel served for the materialization of the system into life. Two DWT plants were implemented in a rural village in southern Vietnam. It could be proved that the product of this research is realistically an economic relief of the long lasted insufficient supply to the crucial demand for safe water in the rural communities of developing countries.

Filtration Materials for Groundwater


Filtration Materials for Groundwater
  • Author : Ivan Kozyatnyk
  • Publisher : IWA Publishing
  • Release : 2016-06-15
  • ISBN : 9781780406992
  • Language : En, Es, Fr & De
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Ground water is a source for drinking and industrial water supply and pollution created by active industrial sites which often cause social, health, and environmental problems. This groundwater eventually drains into adjacent water sources. Filtration Materials for Groundwater: A Guide to Good Practice presents the up-to-date technology of purification of polluted ground water, its treatment for industrial and human needs and the remediation of polluted sites. The book examines: Types of pollutants in ground water including the main inorganic and organic pollutants and their behaviour. Filtration materials for water treatment and principles of their choice. How to choose suitable filtration materials according to targeted compounds and estimate its efficiency. Technologies for ground water treatment. Cost and risks estimation of treatment facilities. Lifetime, risks and cost estimation of technology. Examples of modern ongoing facilities for ground water treatment and polluted sites remediation. This book is of interest to scientists and engineer who deal with the problem of purification of ground water for different purposes and the remediation of polluted sites.

New Technology Japan


New Technology Japan
  • Author :
  • Publisher :
  • Release : 1995
  • ISBN : UOM:39015036300138
  • Language : En, Es, Fr & De
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Thomas Register of American Manufacturers and Thomas Register Catalog File


Thomas Register of American Manufacturers and Thomas Register Catalog File
  • Author :
  • Publisher :
  • Release : 2003
  • ISBN : UOM:39015058389472
  • Language : En, Es, Fr & De
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Vols. for 1970-71 includes manufacturers' catalogs.