The Mechanism Of Phosphorus Removal By Phostrip

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The Mechanism Of Phosphorus Removal By Phostrip

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Author : Raymond W. Regan
language : en
Publisher:
Release Date : 1977

The Mechanism Of Phosphorus Removal By Phostrip written by Raymond W. Regan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with categories.

Biological Phosphate Removal From Wastewaters

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Author : R. Ramadori
language : en
Publisher: Elsevier
Release Date : 2017-01-31

Biological Phosphate Removal From Wastewaters written by R. Ramadori and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-01-31 with Technology & Engineering categories.

Biological Phosphate Removal from Wastewaters contains the proceedings of an International Association on Water Pollution Research and Control Specialized Conference held in Rome, Italy on September 28-30, 1987. Contributors review advances that have been made in the removal of biological phosphates from wastewaters, both at the fundamental scientific level and in the practical application of the process. Topics range from the fundamental microbiology and biochemistry of the enhanced biological removal of phosphate to the practical full-scale plant experiences with phosphorus removal and sludge handling from such processes. This text is comprised of 43 chapters; the first of which describes the utilization of polyphosphate as an energy reserve in Acinetobacter sp. and activated sludge. Attention then turns to metabolic control in polyphosphate-accumulating bacteria and its role in enhancing biological phosphate removal. The biochemistry and energetics of biological phosphorus removal are also considered. The next section is devoted to process modeling and includes chapters that explore the kinetics of biological excess phosphorus removal; factors affecting anaerobic stabilization during biological phosphorus removal; and the behavior of magnesium in biological phosphate removal. In the next section, bench/pilot-scale studies are presented; one of which investigated the reduction of returned phosphorus from a sludge treatment process. The book concludes with a discussion on phosphate removal mechanisms and pilot- and full-scale experiences. This book will be of interest to students, practitioners, and policymakers in water pollution control.

The Mechanism Of Phosphorus Removal In Activated Sludge

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Author : Ralph Edward Oulton
language : en
Publisher:
Release Date : 1969

The Mechanism Of Phosphorus Removal In Activated Sludge written by Ralph Edward Oulton and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969 with Phosphorus categories.

The Mechanism Of Phosphorus Removal In The Activated Sludge Process

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Author : Jia-Chyi Lan
language : en
Publisher:
Release Date : 1982

The Mechanism Of Phosphorus Removal In The Activated Sludge Process written by Jia-Chyi Lan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Phosphorus compounds categories.

Retrofitting Potws For Phosphorus Removal In The Chesapeake Bay Drainage Basin

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Author :
language : en
Publisher:
Release Date : 1987

Retrofitting Potws For Phosphorus Removal In The Chesapeake Bay Drainage Basin written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Chesapeake Bay Region (Md. and Va.) categories.

Design Manual

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Author :
language : en
Publisher:
Release Date : 1987

Design Manual written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Chemicals categories.

Mechanism Of Phosphorus Removal By Co Precipitation Adsorption Using Aluminum And Ferric Compounds

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Author : Jie Ge (Ph. D.)
language : en
Publisher:
Release Date : 2018

Mechanism Of Phosphorus Removal By Co Precipitation Adsorption Using Aluminum And Ferric Compounds written by Jie Ge (Ph. D.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018 with Sewage categories.

Process Design Manual For Phosphorus Removal

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Author : Shimek, Roming, Jacobs, and Finklea (Firm)
language : en
Publisher:
Release Date : 1976

Process Design Manual For Phosphorus Removal written by Shimek, Roming, Jacobs, and Finklea (Firm) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Phosphorus categories.

Emerging Technology Assessment Of Phostrip A O And Bardenpho Processes For Biological Phosphorus Removal

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Author :
language : en
Publisher:
Release Date : 1985

Emerging Technology Assessment Of Phostrip A O And Bardenpho Processes For Biological Phosphorus Removal written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Sewage categories.

Phosphorus Recovery From Waste Activated Sludge Was In Enhanced Biological Phosphorus Removal Ebpr Processes

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Author : Yuqi Wang
language : en
Publisher:
Release Date : 2014

Phosphorus Recovery From Waste Activated Sludge Was In Enhanced Biological Phosphorus Removal Ebpr Processes written by Yuqi Wang and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with Phosphorus categories.

Phosphorus is an essential element for every living organism, but when it exceeds certain limit in water bodies, it will cause serious environmental issues, such as eutrophication. P accumulation in water bodies can be caused by non-point sources, such as agriculture land runoff, as well as from point sources such as wastewater effluent discharges. In order to avoid eutrophication of water bodies the regulatory agency have traditionally pushed for the removal of phosphorus at wastewater treatment plants rather than regulating the non-point sources; this has been done imposing strict limits on wastewater effluents to natural watershed. At the same time, phosphorus stock on the earth is a limited resource, and its quantity is decreasing steadily, due to its use in the fertilizers production. In order to support the population growth on the earth, phosphorus recovery, especially from wastewater streams has to be considered. Biological processes that remove phosphorus from wastewater, are called Enhanced Biological Phosphorus Removal (EBPR in short) processes, and produce a P rich sludge that can be treated to recover phosphorus in forms that could be used as fertilizers. Several processes have been developed to recover P from EBPR plants, such as Waste Activated Sludge Stripping to Remove Internal Phosphorus (WASSTRIP) and the PhoStrip processes. P recovery within EBPR plant often involved an anaerobic holding tank, where P is released due to PAO activity as well as bacteria decay. However, the impact of EBPR process operating conditions on P-release capacity and kinetics are not fully understood. In addition, it is largely unclear how the anaerobic digestion process of the P-recovery process affects the microbial population, and therefore the EBPR activity in the mainstream, in system where the sludge is recirculated back to the mainstream. In this study, P-release capacity and kinetics were studied by conducting day long endogenous anaerobic digestion tests on activated sludge withdrawn from lab scale sequencing batch reactors operating under different conditions (COD/P and SRT). P-release mechanisms during the digestion test were investigated by Live/Dead analysis, as well as soluble metal ion concentration measurements, which are usually associated with EBPR activity. In addition, PAO activities changes were explored by the microbial population quantification, combined with P-release rate in the present of VFA. Considering the microbial populations, in the acetate fed SBRs are different in quantity and possibly composition, from the population (especially PAOs) in full-scale samples, the same anaerobic test and measurements were performed on a full-scale EBPR WWTP WAS samples. Under anaerobic starvation conditions, it was observed that low COD:P ratio with 10-20 days-SRT had better P recovery potential than other operation conditions involved in this study, in terms of higher amount ortho-P released and faster releasing rate. Among the released ortho-P during the digestion test, majority of it was found to be due by poly-P depletion. In addition, because of the reducing intercellular polymer storage, PAO activity also decreased significantly during the anaerobic digestion test. However, with different population and composition, PAO activity in full scale WAS samples actually increased after the test.