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Author Kalin, M.; Cairns, J.; McCready, R.
Title Ecological engineering methods for acid mine drainage treatment of coal wastes Type Journal Article
Year 1991 Publication Resources, conservation and recycling Abbreviated Journal
Volume 5 Issue 2-3 Pages 265-275
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Abstract The treatment of acid mine drainage (AMD) through the utilization of alkali generating microbes has potential as an alternate approach to conventional lime treatment. Organic matter, a source of fixed carbon for the alkali generating microbial ecosystem, has been tested in 6 different types of AMD. The AMD characteristics range in acidities from 2 mg/l to 900 mg/l (CaCO3 equivalent), while sulphate concentrations range from 75 to 7300 mg/l. Alkali generating populations identified include iron reducers, sulphate reducers and ammonifiers. In coal AMD amended with organic matter, the microbial alkali generation is dominated by ammonifiers. Concentrations of Al, Fe and Zn in the AMD water decreased with concurrent increases in pH (3.2 to 6.5) in localized areas in the test cells.
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Notes Ecological engineering methods for acid mine drainage treatment of coal wastes; Science Direct Approved no
Call Number CBU @ c.wolke @ 17276 Serial 39
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Author Bureau of Mines, U.S.D. of the I.
Title Accelerated pyrite oxidation/enhanced alkalinity couple to reduce acid mine drainage Type Journal Article
Year 1991 Publication Abbreviated Journal
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Notes Accelerated pyrite oxidation/enhanced alkalinity couple to reduce acid mine drainage; [Washington, D.C.?]; Bureau of Mines, U.S. Dept. of the Interior; Opac Approved no
Call Number CBU @ c.wolke @ 7072 Serial 428
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Author Skousen, J.G.
Title Anoxic limestone drains for acid mine drainage treatment Type Journal Article
Year 1991 Publication Green Lands Abbreviated Journal
Volume 21 Issue 4 Pages 30-35
Keywords (up) ALD passive treatment
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ISSN 0888-3408 ISBN Medium
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Notes Anoxic limestone drains for acid mine drainage treatment; 9; AMD ISI | Wolkersdorfer Approved no
Call Number CBU @ c.wolke @ 9905 Serial 244
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Author Bauroth, M.; Hähne, R.; Wolf, J.
Title Erfahrungen bei der Dekontamination saurer Wässer des Uranbergbaus mittels Einbindung in Kraftwerksaschen. Decontamination of acit water from uranium mining by ash filtration method Type Journal Article
Year 1991 Publication Neue Bergbautechnik Abbreviated Journal
Volume Issue 12 Pages 420-422
Keywords (up) Bergbau Uranerz Grubenentwaesserung Chemische-Abwasserreinigung Asche Calciumcarbonat Verrieselungsfeld Dekontamination
Abstract Kontaminierte Grubenwässer des Uranbergbaus in Sachsen und Thüringen weisen eine regional schwankende chemische Zusammensetzung auf (Härte: 50 bis 1500 (Grad) dH, Sulfat: 2 bis 30 g/l, Eisen: 0,5 bis 4 g/l, Uranium: 1 bis 20 mg/l). Eine erfolgreich praktizierte Technologie der Abwasserreinigung ist dessen Verrieselung auf Kraftwerksaschen, die auf dichtem Untergrund bzw. dort, wo eine Grundwasserkontamination auszuschließen ist, aufgehaldet werden. Ziel ist es, den Nutzungsgrad der Asche zur Sicherung des Gewässerschutzes zu erhöhen. Eine geeignete Technologie ist dabei auch die Mischung von Asche und Kalk. Da die berieselte Asche bei der Einwirkung von natürlichen Niederschlägen ihre Kontamination teilweise wieder freisetzt, werden an die Verwahrung sowie Deponiebeschaffenheit von Aschehalden besondere Anforderungen gestellt. So muß beispielsweise die Verdunstung erhöht (Bewuchs, Vegetation) sowie die Dränage der infiltrierte Wässer verzögert werden.
Address SDAG Wismut, Chemnitz, DE
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Notes Erfahrungen bei der Dekontamination saurer Wässer des Uranbergbaus mittels Einbindung in Kraftwerksaschen. Decontamination of acit water from uranium mining by ash filtration method; 2627, BERG , 01.01.92; Words: 342; U9201 0120 586; 3 Seiten, 3 Bilder, 2 Tabellen, 7 Quellen 3UX *Umweltbelastung, technik* 3MZ *Bergbau, Tunnelbau, Erdöl /Erdgasförderung, Bohrtechnik* 3BX *chemische Grundlagen* 3BW *Geowissenschaften, physik*; BERG, Copyright FIZ Technik e.V.; DE Deutsch Approved no
Call Number CBU @ c.wolke @ 17614 Serial 463
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Author Okuda, T.; Ema, S.; Ishizaki, C.; Fujimoto, J.
Title Mine drainage treatment and ferrite sludge application Type Journal Article
Year 1991 Publication NEC Technical Journal Abbreviated Journal
Volume 44 Issue 5 Pages 4-16
Keywords (up) ferrite applications mining water treatment mine drainage treatment waste water treatment ions metal recovery catalysts environmental problems solution ferrite sludge application iron oxidation bacteria ferrite formation process mine drainage Matsuo Mine magnetic marking materials magnetic fluid metal separation semiactive magnetic damper batteries fish gathering cement tracer Electrical and Electronic Engineering Manufacturing and Production
Abstract The `ferrite process' is an excellent method for treating waste water containing iron and arsenic, but cannot be directly applied to mine drainage where silicon and aluminum ions are present, because they strongly inhibit ferrite formation. As a result of the development of related technologies such as the elimination of silicon, the concentration of iron, and the oxidation of ferrous ions using iron-oxidation bacteria, a new ferrite formation process has been developed and applied to the mine drainage of the Matsuo Mine. The paper discusses the application of the ferrite sludge to magnetic marking materials, magnetic fluid for metal separation and recovery, and the semiactive magnetic damper is described. The related technologies which will be expected to play an important role in solving the environmental problems are also described. These technologies will change the ferrite sludge to beneficial materials, which can be used for carbon dioxide decomposing catalysts, reuse of dry batteries, fish gathering blocks, and cement tracer for ground improvement
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ISSN 0285-4139 ISBN Medium
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Notes Mine drainage treatment and ferrite sludge application; 3991072; Journal Paper; SilverPlatter; Ovid Technologies Approved no
Call Number CBU @ c.wolke @ 16787 Serial 279
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