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Author : Bernard Oswald Jones
Publisher :
ISBN 13 :
Total Pages : 110 pages
Book Rating : 4.:/5 (726 download)
Download or read book Solvent Refined Coal Wastewater written by Bernard Oswald Jones and published by . This book was released on 1980 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 404 pages
Book Rating : 4.3/5 (555 download)
Download or read book Solvent Refined Coal-1 Demonstration Project written by and published by . This book was released on 1981 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : James C. Hein
Publisher :
ISBN 13 :
Total Pages : 144 pages
Book Rating : 4.:/5 (297 download)
Download or read book Oxidation of Organic Compounds in Solvent Refined Coal II, Wastewater Via Ultraviolet Light Irradiation written by James C. Hein and published by . This book was released on 1982 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 806 pages
Book Rating : 4.3/5 (555 download)
Download or read book Solvent Refined Coal-1 Demonstration Project written by and published by . This book was released on 1981 with total page 806 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Pittsburg & Midway Coal Mining Co
Publisher :
ISBN 13 :
Total Pages : 72 pages
Book Rating : 4.F/5 ( download)
Download or read book Solvent refined coal (SRC) process written by Pittsburg & Midway Coal Mining Co and published by . This book was released on 1976 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Clarence Dale Becker
Publisher :
ISBN 13 :
Total Pages : 48 pages
Book Rating : 4.3/5 ( download)
Download or read book Solvent Refined Coal Studies written by Clarence Dale Becker and published by . This book was released on 1978 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Solvent Refined Coal-II (SRC-II) Detailed Environmental Plan written by and published by . This book was released on 1980 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This document describes environmental research which will: aid in the development of an environmentally acceptable SRC-II process; and provide data for environmental assessment of the process. The SRC-II process is described, criteria for selection of samples to undergo environmental analyses are given, and approximate timelines are presented for obtaining pertinent samples. At this time, the SRC-II process is at the pilot-plant stage of development and a demonstration facility is scheduled to begin operation in 1984. Since design criteria may change, the environmental research described in this document is organized in four phases which correlate with and will provide information early in process development. Phase I research (screening) evaluates samples from existing SRC-II facilities (pilot, process demonstration unit (PDU), bench) which may bracket potential demonstration/commercial practice in terms of physical and chemical criteria. The samples are being subjected to a battery of short-term biomedical and ecological assays. Chemical fractionation and analysis are being performed to determine compounds and compound classes of potential concern. Phase II (baseline) research will evaluate SRC-II materials which are considered most representative of potential demonstration/commercial practice. These materials will be subjected to longer-term, more-extensive biological and ecological analyses relative to effects and environmental fate. Phase III research will examine effects of process modification, control technologies and changing operational conditions on potential environmental properties of SRC-II materials. Phase IV research (onsite monitoring) will develop methods and initiate environmental monitoring for effects at the SRC-II demonstration facility and potential commercial sites. This document also describes industrial hygiene programs which must occur throughout SRC-II process development.
Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (14 download)
Download or read book Solvent refined coal-1 demonstration project written by and published by . This book was released on 1981 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. Congress. House. Committee on Science and Technology. Subcommittee on Energy Development and Applications
Publisher :
ISBN 13 :
Total Pages : 266 pages
Book Rating : 4.F/5 ( download)
Download or read book Oversight written by United States. Congress. House. Committee on Science and Technology. Subcommittee on Energy Development and Applications and published by . This book was released on 1980 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Organic Constituents in Process Streams of a Solvent-refining Coal Plant. Progress Report written by and published by . This book was released on 1975 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The most important observation is that the same major organic components are present in all the samples investigated: process ''naphtha'', process solvent, extracts of solvent-refined coal, mineral residue and effluent water. However, the distribution of the organic compounds changes with the type of sample. The compounds which have been identified are not necessarily those eventually escaping into the environment. This initial investigation consisted of looking at the process streams to determine potential pollutants and develop techniques for isolating the organic constituents. The next step is to sample actual effluents coming from the plant. These include the process water after treatment, the gaseous emissions and any particulates. P and M is aware of the potential carcinogenic nature of the various process streams and have taken steps to insure that plant personnel are protected and that sound industrial hygiene practices are followed. Many of the compounds which have been identified are toxic, especially the phenols and quinolines. The plant design criteria should result in very low concentrations of organic compounds, mainly phenols, in the liquid effluent and our analysis of effluent water from the biological digester will show the actual concentrations. We have identified only one reported carcinogenic compound (dibenzothiophene) thus far. However, we are developing techniques to analyze for other minor constituents of concern including benzo (a) pyrene, a known carcinogen. The organic compounds identified in the samples from the solvent-refined coal plant at Fort Lewis, Washington, are listed. (auth).
Download or read book Solvent Refined Coal (SRC) Process written by and published by . This book was released on 1980 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Instrumental neutron activation analysis was used to study the distribution and fate of up to 36 elements in the Solvent Refined Coal Process Pilot Plant located at Fort Lewis, Washington. The elements Ti, V, Mg, Ca, Al, Cl, Mn, As, Br, Na, K, Sm, La, Ga, Cu, Sb, Se, Hg, Ni, Co, Cr, Fe, Rb, Cs, Sc, Tb, Eu, Ce, Sr, Ba, Th, U, Hf, Ta, Zr and Zn were measured in feed coal, insoluble residues, process solvent, process and effluent waters, by-product sulfur, SRC-I solid product, liquid-liquid separator oils and SRC-II liquid products. The material balance was calculated for each element from the concentration data and yields of each process fraction for both the SRC-I and SRC-II processes. Except for Ti, Cl and Br in the SRC-I mode and Hg in the SRC-II mode, each element was substantially lower in the SRC products than in the original feed coal. Residues from the process contained more than 80% of the trace element content found in the coal, except for Hg. More than 98.5% of the total contents of K and Fe in coal were retained in the insoluble residues. Elements such as Hg, Se, As and Sb can form volatile compounds (such as Hg/sup 0/, H/sub 2/Se, AsH/sub 3/ and SbH/sub 3/) stable under the process conditions. The high enhancement factors of Se (957), As (202) and Sb (27.4) in the aqueous phase of the separator water compared to that of the oil are evidence for the formation of volatile species which are more soluble in water than in the oil phase.
Author : David J. Goldstein
Publisher :
ISBN 13 :
Total Pages : 490 pages
Book Rating : 4.3/5 (121 download)
Download or read book Water Conservation and Pollution Control in Coal Conversion Processes written by David J. Goldstein and published by . This book was released on 1977 with total page 490 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Walter C. Weimer
Publisher :
ISBN 13 :
Total Pages : 64 pages
Book Rating : 4.3/5 ( download)
Download or read book Initial Chemical and Biological Characterization of Hydrotreated Solvent Refined Coal (SRC-II) Liquids written by Walter C. Weimer and published by . This book was released on 1980 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Royston H. Filby
Publisher :
ISBN 13 :
Total Pages : 202 pages
Book Rating : 4.:/5 (249 download)
Download or read book Solvent Refined Coal (SRC) Process written by Royston H. Filby and published by . This book was released on 1982 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt: The initial efforts concentrated on the development of appropriate analytical procedures for thirty-nine elements. Sensitive neutron activation procedures were developed for Ti, V, Ca, Mg, Al, Cl, Mn, As, Sb, Se, Hg, Br, Co, Ni, Cr, Fe, Na, Rb, Cs, K, Sc, Tb, Eu, Sm, Ce, La, Sr, Ba, Th, Hf, Ta, Ga, Zr, and Cu in feed coals, process solvent, SRC solid and liquid products, mineral residues, filter cake, by-product solvents, process and effluent waters, and by-product sulfur. Atomic absorption spectrophotometric procedures were developed for Pb, Cd and Be in various plant-derived streams and materials including process and effluent waters. This study of the SRC-I process concluded that the bulk of the trace elements in the coal feed appear to concentrate in the mineral residue with two exceptions; bromine and titanium appear to concentrate in the SRC-I solid product. High mercury, selenium and arsenic levels in the process water were effectively reduced by the treatment process to essentially natural levels. The treatment and dilution process was effective for the removal of other trace elements from the process water. Study of the SRC-II process found that the vacuum bottoms was the major sink for all trace elements studied with the exception of mercury. Much lower trace element concentrations were found in the SRC-II liquid product relative to the vacuum bottoms or the feed coal, irrespective of coal type. Mercury, and to a lesser degree arsenic, selenium and antimony, exhibited volatile behavior in the SRC-II process but the degree of volatility was strongly dependent on conditions or coal type. Process waters contained higher concentrations of mercury, selenium, arsenic and antimony; however, the treated SRC-II effluent waters met all appropriate standards including drinking water criteria.
Author :
Publisher :
ISBN 13 :
Total Pages : 75 pages
Book Rating : 4.:/5 (12 download)
Download or read book Solvent Refined Coal (SRC Process: Environmental Program) written by and published by . This book was released on 1978 with total page 75 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Solvent Refined Coal (SRC) Process written by and published by . This book was released on 1980 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Results are presented on a study of the distribution and fate of 34 trace elements in the Solvent Refined Coal Process at the pilot plant located at Fort Lewis, Washington, and operated by The Pittsburg and Midway Coal Mining Co. under contract with the US Department of Energy. Neutron activation analysis was used to determine Ti, V, Ca, Mg, Al, Cl, Mn, As, Sb, Se, Hg, Br, Co, Ni, Cr, Fe, Na, Rb, Cs, K, Sc, Tb, Eu, Sm, Ce, La, Sr, Ba, Th, Hf, Ta, Ga, Zr, and Cu in feed coals, process solvent, Solvent Refined Coal (SRC), mineral residues, wet filter cake, by-product solvents, process and effluent waters and by-product sulfur. The sample points were chosen such that the major process streams were adequately described and that the major input and output materials were included. Atomic absorption spectrophotometry was used to measure the toxic elements Pb, Cd, Be in plant-derived solvents, effluent water and Hamer Marsh water. Specific methods were developed for analysis of a wide range of material compositions. The neutron activation analysis procedures were divided into short and long irradiation procedures for elements with short half lives (less than 3 hours) and intermediate to long half lives (8 hours to 5.2 years). Data are presented for a third equilibrium set of samples from the SRC-I process and compared to two similar sets analyzed previously. A material balance (or budget) was calculated for each element from the concentration data and the yields of each process fraction. Data are also presented on a study of carbon monoxide addition to the hydrogen stream and its effect on trace elements, and trace element data on a study of thirty-six plant effluent water samples taken during an SRC-I production run.
Author : U.S. Environmental Protection Agency
Publisher : BiblioGov
ISBN 13 : 9781294276227
Total Pages : 374 pages
Book Rating : 4.2/5 (762 download)
Download or read book Standards of Practice Manual for the Solvent Refined Coal Liquefaction Process written by U.S. Environmental Protection Agency and published by BiblioGov. This book was released on 2013-11 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt: The U.S. Environmental Protection Agency (EPA) was introduced on December 2, 1970 by President Richard Nixon. The agency is charged with protecting human health and the environment, by writing and enforcing regulations based on laws passed by Congress. The EPA's struggle to protect health and the environment is seen through each of its official publications. These publications outline new policies, detail problems with enforcing laws, document the need for new legislation, and describe new tactics to use to solve these issues. This collection of publications ranges from historic documents to reports released in the new millennium, and features works like: Bicycle for a Better Environment, Health Effects of Increasing Sulfur Oxides Emissions Draft, and Women and Environmental Health.
