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Pretreatment Alternatives For The Ultrafiltration Of Algae Laden Water
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Book Synopsis Pretreatment Alternatives for the Ultrafiltration of Algae Laden Water by : Edwin Castilla Rodriguez
Download or read book Pretreatment Alternatives for the Ultrafiltration of Algae Laden Water written by Edwin Castilla Rodriguez and published by . This book was released on 2019 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The excessive growth of algae from eutrophication as a result of human activities is one of the most serious problems in drinking water treatment. During algae blooms, the excessive release of algae organic matter (AOM) changes the organic matter distributions in surface waters causing severe membrane fouling. Comparisons of the fouling of UF membranes treating surface waters with different natural organic matter (NOM) distributions were done to identify the organic fractions that cause membrane fouling. The waters tested were prepared by combining NOM from Lake Ontario with AOM from four algae species (Chlorella sp., Microcystis aeruginosa, Merismopedia sp., and Cyclotella sp.) commonly found in freshwater. Liquid chromatography-organic carbon detector (LC-OCD) and fluorescence excitation-emission matrix (FEEM) analytical techniques were used to characterize the organic fractions. The membrane fouling was attributed to the hydrophilic fraction of NOM, especially to biopolymer-polysaccharides and proteins as characterized via LC-OCD, and predominant FEEM responses from protein-like and SMP-like substances. The fouling behaviors of the organic fractions were influenced by the addition of natural occurring divalent and metal cations at different doses and pHs. The membrane treating waters with high content of polysaccharides and proteins experienced the highest membrane fouling and membrane resistances. The increase in membrane fouling was attributed to their absorption within the membranes. The addition of divalent cations decreased the membrane fouling as a result of their complexation with AOM. Higher membrane fouling was observed as pH decreased. At pH 6, the membrane experienced the lowest organic matter retention, especially biopolymers and protein-like substances. This was attributable to charge neutralization and reduced electrostatic attraction with the membranes. At pH 8.0, the increase in electrostatic repulsion facilitated the formation of looser layers that led to higher retention of biopolymers and protein-like substances. The fouling behaviors of the organic fractions were compared using sedimentation and dissolved air flotation (DAF) as pre-treatment and influenced by the addition of aluminum and iron-based coagulants. Sedimentation produced better effluent quality than DAF. Membrane fouling decreased with the addition of coagulants, especially aluminum based. Waters with higher biopolymer contents were more susceptible to coagulation achieving higher organic matter removal.
Book Synopsis The Effectiveness of Filtration of Algae Laden Waters by : Robert E. O'Connell
Download or read book The Effectiveness of Filtration of Algae Laden Waters written by Robert E. O'Connell and published by . This book was released on 1967 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ultrafiltration for the removal of algae and algogenic matter with different pretreatment steps by : Rolf Gimbel
Download or read book Ultrafiltration for the removal of algae and algogenic matter with different pretreatment steps written by Rolf Gimbel and published by . This book was released on 1998 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Desalination Sustainability by : Hassan Arafat
Download or read book Desalination Sustainability written by Hassan Arafat and published by Elsevier. This book was released on 2017-06-09 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt: Desalination Sustainability: A Technical, Socioeconomic, and Environmental Approach presents a technical, socioeconomical, and environmental approach that guides researchers and technology developers on how to quantify the energy efficiency of a proposed desalination process using thermodynamics-based tools. The book offers the technical reader an understanding of the issues related to desalination sustainability. For example, technology users, such as public utility managers will gain the ability and tools to assess whether or not desalination is a good choice for a city or country. Readers will learn new insights on a clear and practical methodology on how to probe the economic feasibility of desalination using simple and effective tools, such as levelized cost of water (LCOW) calculation. Decision-makers will find this book to be a valuable resource for the preliminary assessment of whether renewable-powered desalination is a good choice for their particular setting. Presents the issues related to desalination sustainability Guides researchers and technology developers on how to quantify the energy efficiency of a proposed desalination process using thermodynamics-based tools Outlines a clear and practical methodology on how to probe the economic feasibility of desalination using simple and effective tools Provides a roadmap for decision-makers on the applicability of a desalination process at a particular setting
Book Synopsis Seawater Pretreatment by : Nikolay Voutchkov
Download or read book Seawater Pretreatment written by Nikolay Voutchkov and published by . This book was released on 2010 with total page 173 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Selected Water Resources Abstracts by :
Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1978 with total page 860 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Drinking Water Treatment by : Bingzhi Dong
Download or read book Drinking Water Treatment written by Bingzhi Dong and published by Walter de Gruyter GmbH & Co KG. This book was released on 2021-12-20 with total page 573 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides an up-to-date overview on the membrane technology for the drinking water treatment. The applications of PVDF-TiO2 nanowire hybrid ultrafiltration membrane, nanofiltration membrane, forward osmosis membrane, etc. in water treatment are discussed in detail. With abundant practical examples, the book is an essential reference for scientists, students and engineers in municipal engineering, environmental engineering, chemical engineering, environmental chemistry and material science.
Book Synopsis Algae Detection and Removal Strategies for Drinking Water Treatment Plants by :
Download or read book Algae Detection and Removal Strategies for Drinking Water Treatment Plants written by and published by American Water Works Association. This book was released on 2004 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt: This manual for conventional water treatment plants outlines monitoring strategies for detecting the onset of algae blooms in drinking water sources as well as treatment strategies for minimizing the adverse effects of algae on unit process performance and finished water quality. The manual draws on
Author :Committee on Small Water Supply Systems Publisher :National Academies Press ISBN 13 :0309522846 Total Pages :229 pages Book Rating :4.3/5 (95 download)
Book Synopsis Safe Water From Every Tap by : Committee on Small Water Supply Systems
Download or read book Safe Water From Every Tap written by Committee on Small Water Supply Systems and published by National Academies Press. This book was released on 1997-01-13 with total page 229 pages. Available in PDF, EPUB and Kindle. Book excerpt: Small communities violate federal requirements for safe drinking water as much as three times more often than cities. Yet these communities often cannot afford to improve their water service. Safe Water From Every Tap reviews the risks of violating drinking water standards and discusses options for improving water service in small communities. Included are detailed reviews of a wide range of technologies appropriate for treating drinking water in small communities. The book also presents a variety of institutional options for improving the management efficiency and financial stability of water systems.
Book Synopsis Pretreatment for Reverse Osmosis Desalination by : Nikolay Voutchkov
Download or read book Pretreatment for Reverse Osmosis Desalination written by Nikolay Voutchkov and published by Elsevier. This book was released on 2017-05-29 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pretreatment for Reverse Osmosis Desalination is a comprehensive reference on all existing and emerging seawater pretreatment technologies used for desalination. The book focuses on reverse osmosis membrane desalination, which at present is the most widely applied technology for the production of fresh drinking water from highly saline water sources (brackish water and seawater). Each chapter contains examples illustrating various pretreatment technologies and their practical implementation. Provides in-depth overview of the key theoretical concepts associated with desalination pre-treatment Gives insight into the latest trends in membrane separation technology Incorporates analytical methods and guidelines for monitoring pretreatment systems
Book Synopsis Water Treatment and Pathogen Control by : LeChevallier M.W.
Download or read book Water Treatment and Pathogen Control written by LeChevallier M.W. and published by World Health Organization. This book was released on 2004-09-24 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: Annotation This publication provides a critical analysis of the literature on removal and inactivation of pathogenic microbes in water to aid the water quality specialist and design engineer in making decisions regarding microbial water quality.
Book Synopsis House of Quality by : John R. Hauser
Download or read book House of Quality written by John R. Hauser and published by . This book was released on 1988 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Taste and Odour in Source and Drinking Water by : Tsair-Fuh Lin
Download or read book Taste and Odour in Source and Drinking Water written by Tsair-Fuh Lin and published by IWA Publishing. This book was released on 2018-03-15 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides an updated evaluation of the characterization and management of taste and odour (T&O) in source and drinking waters. Authored by international experts from the IWA Specialist Group on Off-flavours in the Aquatic Environment, the book represents an important resource that synthesizes current knowledge on the origins, mitigation, and management of aquatic T&O problems. The material provides new knowledge for an increasing widespread degradation of source waters and global demand for high quality potable water. Key topics include early warning, detection and source-tracking, chemical, sensory and molecular diagnosis, treatment options for common odorants and minerals, source management, modelling and risk assessment, and future research directions. Taste and Odour in Source and Drinking Water is directed towards a wide readership of scientists, engineers, technical operators and managers, and presents both practical and theoretical material, including an updated version of the benchmark Drinking Water Taste and Odour Wheel and a new biological wheel to provide a practical and informative tool for the initial diagnosis of the chemical and biological sources of aquatic T&O.
Book Synopsis Coagulation and Flocculation in Water and Wastewater Treatment by : John Bratby
Download or read book Coagulation and Flocculation in Water and Wastewater Treatment written by John Bratby and published by IWA Publishing. This book was released on 2006-10-15 with total page 421 pages. Available in PDF, EPUB and Kindle. Book excerpt: Coagulation and Flocculation in Water and Wastewater Treatment provides a comprehensive account of coagulation and flocculation techniques and technologies in a single volume covering theoretical principles to practical applications. Thoroughly revised and updated since the 1st Edition it has been progressively modified and increased in scope to cater for the requirements of practitioners involved with water and wastewater treatment. A thorough gamut of treatment scenarios is attempted, including turbidity, color and organics removal, including the technical aspects of enhanced coagulation. The effects of temperature and ionic content are described as well as the removal of specific substances such as arsenic and phosphorus. Chemical phosphorus removal is dealt with in detail, Rapid mixing for efficient coagulant utilization, and flocculation are dealt with in specific chapters. Water treatment plant waste sludge disposal is dealt with in considerable detail, in an Appendix devoted to this subject. Invaluble for water scientists, engineers and students of this field, Coagulation and Flocculation in Water and Wastewater Treatment is a convenient reference handbook in the form of numerous examples and appended information.
Book Synopsis Algal Technologies for Wastewater Treatment and Resource Recovery by : Raul Muñoz
Download or read book Algal Technologies for Wastewater Treatment and Resource Recovery written by Raul Muñoz and published by IWA Publishing. This book was released on 2019-07-26 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over 80% of globally produced wastewater receives little or no treatment before it is disposed into the environment. Therefore, it is urgent to develop new wastewater treatment technologies that are sustainable in the broad sense of the word, i.e. not only produce high quality effluents, but also minimise energy expenses, recover energy and nutrients, and apply technology that is appropriate in relation to the availability of skilled personnel. This book compiles the main outcomes of recent efforts to improve the design of waste stabilisation ponds, and confirms the superior performance of high rate algal ponds as a result of process intensification. Anaerobic digestion devoted to biogas production continues to be the preferred strategy for the energy valorisation of the algal biomass, co-digestion with multiple high C/N ratio substrates gathering significant attention over the past years. The potential of algal biomass as a biosorbent for heavy metal removal (Cu, Ni, F) maintains its share in the research field of water bioremediation, while research on nutrient removal has focused on providing new insights on the mechanism of nitrogen and phosphorus removal from wastewater in algal–bacterial systems. Finally, it is worth noticing that breakthroughs in complementary fields of research such as nanotechnology or lighting technology are gradually being implemented in algal biotechnology, with new products such as nanoparticles for water disinfection or photobioreactors illuminated by low intensity LED panels. In Focus – a book series that showcases the latest accomplishments in water research. Each book focuses on a specialist area with papers from top experts in the field. It aims to be a vehicle for in-depth understanding and inspire further conversations in the sector.
Book Synopsis Efficient Desalination by Reverse Osmosis by : Stewart Burn
Download or read book Efficient Desalination by Reverse Osmosis written by Stewart Burn and published by IWA Publishing. This book was released on 2015-09-15 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Early applications of desalination were small-scale plants deploying a range of technologies. However with the technological developments in Reverse Osmosis, most new plants use this technology because it has a proven history of use and low energy and capital costs compared with other available desalination technologies. This has led to the recent trend for larger seawater desalination plants in an effort to further reduce costs, and 1000 MLD seawater desalination plants are projected by 2020. Efficient Desalination by Reverse Osmosis recognises that desalination by reverse osmosis has progressed significantly over the last decades and provides an up to date review of the state of the art for the reverse osmosis process. It covers issues that arise from desalination operations, environmental issues and ideas for research that will bring further improvements in this technology. Efficient Desalination by Reverse Osmosis provides a complete guide to best practice from pre-treatment through to project delivery. Editors: Stewart Burn, Visiting Scientist, CSIRO Manufacturing. Adjunct Professor, Institute of Sustainability and Innovation, Victoria University. Adjunct Professor, Department of Civil, Environmental and Chemical Engineering, RMIT University. Stephen Gray, Director, Institute of Sustainability and Innovation, Victoria University.
Download or read book Lake Kinneret written by Tamar Zohary and published by Springer. This book was released on 2014-09-29 with total page 674 pages. Available in PDF, EPUB and Kindle. Book excerpt: This condensed volume summarizes updated knowledge on the warm-monomictic subtropical Lake Kinneret, including its geophysical setting, the dynamics of physical, chemical and biological processes and the major natural and anthropogenic factors that affect this unique aquatic ecosystem. This work expands on a previous monograph on Lake Kinneret published in 1978 and capitalizes on the outcome of more than 40 years of research and monitoring activities. These were intensively integrated with lake management aimed at sustainable use for supply of drinking water, tourism, recreation and fishery. The book chapters are aimed at the limnological community, aquatic ecologists, managers of aquatic ecosystems and other professionals. It presents the geographic and geological setting, the meteorology and hydrology of the region, continues with various aspects of the pelagic and the littoral systems. Finally, the last section of the book addresses lake management, demonstrating how the accumulated knowledge was applied in order to manage this important source of freshwater. The section on the pelagic system comprises the heart of the book, addressing the major physical processes, external and internal loading, the pelagic communities (from bacteria to fish), physiological processes and the major biogeochemical cycles in the lake.
