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Author : D. G. Hill
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (62 download)
Download or read book Pilot Plant Investigations of Biological Manganese Removal written by D. G. Hill and published by . This book was released on 1989 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J.H. Bruins
Publisher : CRC Press
ISBN 13 : 1351652508
Total Pages : 162 pages
Book Rating : 4.3/5 (516 download)
Download or read book Manganese Removal from Groundwater written by J.H. Bruins and published by CRC Press. This book was released on 2017-03-16 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt: In The Netherlands, Belgium and other European countries, manganese is removed by conventional groundwater treatment with aeration and rapid (sand) filtration. Such a treatment process is easy to operate, cost effective and sustainable, because it does not make use of strong oxidants such as O3, Cl2, ClO2 and KMnO4 with the associated risk of by-product formation and over or under dosing. However, application of aeration-filtration is also facing drawbacks, especially the long ripening time of filter media. Due to the long ripening time, water companies have to waste large volumes of treated water, making this process less sustainable. Also, costs associated with filter media ripening (man power, electricity, operational and analysis costs) are high. Therefore decreasing the filter ripening time, regarding manganese removal is a big issue. Although already extended research has been carried out into manganese removal, the controlling mechanisms, especially of the start up face of filter media ripening, are not fully understood yet. The emphasis of this thesis is to provide a better understanding of the mechanisms involved in the ripening of virgin filter media, regarding manganese removal and how to shorten or completely eliminate the long ripening period of filters with virgin material. This thesis therefore highlights the role of the formation of a manganese oxide coating on virgin filter media. Characterization and identification revealed that the responsible manganese oxide for an effective manganese removal was Birnessite. It was found that Birnessite, formed at the beginning of the ripening process was of a biological origin. Based on the knowledge that manganese removal in conventional groundwater treatment is initiated biologically, long ripening times may be reduced by creating conditions favouring the growth of manganese oxidizing bacteria, e.g., by limiting the back wash frequency and / or intensity. Additionally, this thesis also shows that the use of freshly prepared manganese oxide, containing Birnessite, can completely eliminate filter media ripening time.
Author : Daniel Norman Wesley
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (134 download)
Download or read book INVESTIGATION OF BIOLOGICAL FILTRATION FOR REMOVAL OF MANGANESE FROM DRINKING WATER. written by Daniel Norman Wesley and published by . This book was released on 2019 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reduced iron and manganese in drinking water can cause aesthetic concerns and manganese has potential neurotoxic effects. Biofiltration is a proven but poorly understood method for removal of manganese from drinking water. In this research media selection for biofiltration is investigated in bench-top and pilot-scale experiments. Treatments using sand as filter media had higher rates of manganese removal, and pilot-scale sand filters supported 36,666 and 25,000 colony forming units per gram (CFU/g) of media while anthracite and recycled glass supported 11,111 and 6,349 CFU/g of media, respectively. Biological filtration proved to be an effective treatment option for removal of iron and manganese for the municipality where it was piloted. Sand filter removal rates ranged from 88.0% to 91.9% for iron and 84.3% to 87% for manganese. Canadian Drinking Water Quality Guidelines (CDWQG) were met for 44 of 44 samples for iron and for 35 of 44 samples for manganese. Deoxyribonucleic acid (DNA) sequencing indicated that manganese oxidising bacteria (MOB) accounted for 4.0% of total bacteria and that 10 phyla made up 95.5% of the bacteria in all filter samples.
Author : Arthur Lowell Fox
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.3/5 (91 download)
Download or read book Semi-pilot-plant Investigations of Nitrogen Dioxide Process for Beneficiation of Manganese Ores written by Arthur Lowell Fox and published by . This book was released on 1945 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Reginald Scott Dean
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.:/5 (418 download)
Download or read book Electrolytic Manganese Progress Report written by Reginald Scott Dean and published by . This book was released on 1942 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Michihiko Ike
Publisher : CRC Press
ISBN 13 : 9814267996
Total Pages : 255 pages
Book Rating : 4.8/5 (142 download)
Download or read book Handbook of Metal Biotechnology written by Michihiko Ike and published by CRC Press. This book was released on 2011-12-06 with total page 255 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces various fields of metal biotechnology, emphasizing applications for the fields of environment conservation and resource recycling. The topics discussed include wastewater treatment and bioremediation technologies for hazardous metals making use of metal metabolism by microorganisms and other organisms; recovery and recycling of
Author :
Publisher :
ISBN 13 :
Total Pages : 884 pages
Book Rating : 4.3/5 (91 download)
Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1991 with total page 884 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Carlos Andres Correa
Publisher :
ISBN 13 :
Total Pages : 62 pages
Book Rating : 4.:/5 (773 download)
Download or read book Design of a Biologically-mediated Manganese Removal System with Ultrafiltration Membranes written by Carlos Andres Correa and published by . This book was released on 2011 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this thesis is to propose an innovative system to integrate biologicallycatalyzed oxidation of manganese with ultrafiltration membranes for drinking water treatment. The published literature dealing specifically with biological processes in membrane filtration systems is very limited. The literature review is divided into two related subthemes. The first part of the literature review concentrates on recent advances in biologically-mediated oxidation of manganese, while the second addresses the necessary conditions to operate a membrane filtration system including how biofouling can affect performance. Manganese in drinking water causes taste and odor problems as well as other nuisance problems such as discoloration of laundry and staining of fixtures. Manganese can also cause severe corrosion problems. Biological manganese oxidation is currently being explored and evaluated by different researchers and institutions such as the American Water Works Association (AWWA) and the Environmental Protection Agency (EPA). iii Chlorine oxidation of manganese has become increasingly problematic due to the EPA rule on disinfectant byproducts (DBP), making it necessary to find alternative processes. Biologically-catalyzed oxidation of manganese is still not fully understood and a standardized process that can be deployed to treat waters with high concentrations of manganese has yet to be developed. It is thus necessary to build a pilot system that can later be scaled up for field application. Based on findings from studies by other researchers, a full-scale system was designed based on a 2 million gallon per day (MGD) flow rate in order to understand the footprint such a system would have compared to a traditional water treatment plant. A pilot-scale system was designed based on the full-scale system in order to provide a basis for possible further research and laboratory testing of the system. The pilot-scale design shows that it is possible to build a biologically-catalyzed manganese removal treatment system integrated with ultrafiltration membranes with a relatively small footprint. However, the design presented here is based on many presumptions that remain to be confirmed once the pilot-scale system is built. With the data from the pilot-scale systems, adjustments can be made to the system for eventual field implementation.
Author :
Publisher :
ISBN 13 :
Total Pages : 50 pages
Book Rating : 4.:/5 (932 download)
Download or read book SEMI-PILOT-PLANT INVESTIGATIONS OF NITROGEN DIOXIDE PROCESS FOR BENEFICIATION OF MANGANESE ORES. written by and published by . This book was released on 1945 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : A. L. Fox
Publisher :
ISBN 13 :
Total Pages : 26 pages
Book Rating : 4.:/5 (459 download)
Download or read book Semi-pilot-plant Investigations of Nitrogen Dioxide Process for Beneficiation of Manganese Ores, by A. L. Fox, A. E. Back, C. J. Chindgren, K. E. Tame and D. Kaufman written by A. L. Fox and published by . This book was released on 1945 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Yu Feng
Publisher :
ISBN 13 :
Total Pages : 500 pages
Book Rating : 4.:/5 (133 download)
Download or read book Investigation of biological nutrient removal from a weak domestic wastewater in a flexible pilot-plant written by Yu Feng and published by . This book was released on 2007 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 216 pages
Book Rating : 4.:/5 (31 download)
Download or read book Final Report written by and published by . This book was released on 2006 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. Environmental Protection Agency
Publisher :
ISBN 13 :
Total Pages : 478 pages
Book Rating : 4.3/5 (91 download)
Download or read book EPA Publications Bibliography written by United States. Environmental Protection Agency and published by . This book was released on 1985 with total page 478 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Paul M. Kohl
Publisher : American Water Works Association
ISBN 13 : 1583215042
Total Pages : 460 pages
Book Rating : 4.5/5 (832 download)
Download or read book Occurrence of Manganese in Drinking Water and Manganese Control written by Paul M. Kohl and published by American Water Works Association. This book was released on 2006 with total page 460 pages. Available in PDF, EPUB and Kindle. Book excerpt: This research study describes the chemistry and suggested treatment of manganese in drinking water, with the goals of reducing customer complaints and improving perceived water quality. The problems are aesthetic-water discoloration (usually black or dark red), clothing and fixture staining, turbid water sediments, and, at very high levels, metallic taste.
Author :
Publisher :
ISBN 13 :
Total Pages : 762 pages
Book Rating : 4.3/5 (91 download)
Download or read book Index to Theses with Abstracts Accepted for Higher Degrees by the Universities of Great Britain and Ireland and the Council for National Academic Awards written by and published by . This book was released on 2002 with total page 762 pages. Available in PDF, EPUB and Kindle. Book excerpt: Theses on any subject submitted by the academic libraries in the UK and Ireland.
Author : United States. Congress. House. Committee on Public Works and Transportation. Subcommittee on Water Resources
Publisher :
ISBN 13 :
Total Pages : 3736 pages
Book Rating : 4.3/5 (121 download)
Download or read book Possible Amendments to the Federal Water Pollution Control Act written by United States. Congress. House. Committee on Public Works and Transportation. Subcommittee on Water Resources and published by . This book was released on 1984 with total page 3736 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 1354 pages
Book Rating : 4.:/5 (319 download)
Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1991 with total page 1354 pages. Available in PDF, EPUB and Kindle. Book excerpt:
