processing of polymetallic black shale

Bioleaching of organic carbon rich polymetallic black shale

2015-10-1 · The processing of refractory sulfide black shale from the Sukhoi Log deposit, Siberia (Russia) was investigated for the recovery of precious metals like Ag, Au, Pt

MINERAL PROCESSING: Leach results positive on

2010-3-14 · Mineral Processing. Companies. DNI Metals Inc; ALBERTA - Dumont Nickel of Toronto reports that the polymetallic black shale is amenable to sulphuric acid

Bioleaching of organic carbon rich polymetallic black shale

The microorganisms obtained all the necessary nutrients for growth from the shale during bioleaching process. Abstract The present study describes the extraction of

Bioleaching of Organic Carbon Rich Polymetallic Black Shale

Request PDF | Bioleaching of Organic Carbon Rich Polymetallic Black Shale | The present study describes the extraction of metals from organic-carbon rich Kyrk

Bioleaching of an organic-rich polymetallic concentrate ...

The bioleaching of a concentrate produced from a black shale ore in an industrial operation in Poland was assessed. Following preliminary batch culture tests

(PDF) Bioleaching of Polish black shale

2: autotrophic bioleaching) Bioleaching of Polish black shale. 263. After ore acidification to pH=1.8, further 35-days autotrophic bioleaching in. Erlenmeyer flasks

A review of polymetallic mineralization in lower Cambrian ...

2021-1-1 · There are various types of polymetallic mineralization in lower Cambrian black shales from South China, including Ni Mo, Ba, P, and V deposits. However, the origin

RESOURCES, PRODUCTION AND PROCESSING OF

2011-2-18 · where mining of local uranium ore (black shale) and processing of various imported concentrates began in June 1948 at the factory No 7 [10]. The ore imported from

Bioshale FP6 European project: Exploiting black shale ores ...

Separation of black shale from the flotation circuit and application of hydrometallurgy for its processing was an idea presented by authors as a result of three

(PDF) Environmental impact of mineralised black shales

Black shales are sedimentary rocks containing > 0.5% of organic carbon. They host polymetallic deposits which have been mined for Cu, Ni, Zn, Mn, P, Mo, V, U, Au and

Bioleaching of an organic-rich polymetallic concentrate ...

The bioleaching of a concentrate produced from a black shale ore in an industrial operation in Poland was assessed. Following preliminary batch culture tests, processing in continuous conditions ...

A genesis model for the black shale-hosted polymetallic Ni ...

The polymetallic sulfide ores have consistently heavy δ 98 / 95 Mo values of 0.94 to 1.38‰ (avg. 1.13 ±0.14‰, 1σ, n = 11), and the host black shale and phosphorite have slightly more variable δ 98 / 95 Mo values of 0.81‰ to 1.70‰ (n = 14). Microscopic study indicates that the sulfide ores show both nodular and laminated texture.

Re-Os Dating of Polymetallic Ni-Mo-PGE-Au

This age is in agreement with the depositional age of the black shale host; the initial ratio is close to present-day seawater. The sulfide layer/average seawater metal ratio is on the order of 10 6 to 10 8, about 10 to 100 times higher than that for the black shale host and for average metalliferous black shale

Bioleaching of organic carbon rich polymetallic black shale

2015 (English) In: Hydrometallurgy, ISSN 0304-386X, E-ISSN 1879-1158, Vol. 157, p. 246-255 Article in journal (Refereed) Published Resource type Text Abstract [en] The present study describes the extraction of metals from organic-carbon rich Kyrk Tasjo (Sweden) polymetallic black shale using mixed cultures of acidophilic iron- and sulfur-oxidizing microorganisms.

Re-Os isotopes and PGE geochemistry of black shales and ...

2006-11-19 · (2003). Re-Os isotopes and PGE geochemistry of black shales and intercalated Ni-Mo polymetallic sulfide bed from the Lower Cambrian Niutitang Formation, South China. Progress in Natural Science: Vol. 13, No. 10, pp. 788-794.

BIOLEACHING OF POLISH BLACK SHALE

2007-10-1 · This procedure was introduced in studies on leaching of polymetallic shale ore, called Polkowice black shale. Tube bioreactors designed by our research team were used in these bioleaching experiments (Farbiszewska-Kiczma et al., 2006). The aims of these researches were: − evaluate bioleachability of Polkowice black shale

Bioshale FP6 European project: Exploiting black shale ores ...

Separation of black shale from the flotation circuit and application of hydrometallurgy for its processing was an idea presented by authors as a result of three years (2004)(2005)(2006)(2007 ...

Black shale ore of Big Karatau is a raw material source of ...

The method of the early development of black shale ore using sintering with (NH 4) 2 SO 4 in the presence of H 2 SO 4 may be the basis for the development of a processing technology, and the cake after the leaching of valuable components may be used in froth flotation enrichment to separate the carbonaceous materials, and then used as part of ...

Bioweathering of Kupferschiefer black shale (Fore-Sudetic ...

The Upper Permian polymetallic, organic-rich Kupferschiefer black shale in the Fore-Sudetic Monocline is acknowledged to be one of the largest Cu-Ag deposits in the world. Here we report the results of the first study of bioweathering of this sedimentary rock by indigenous heterotrophic bacteria. Ex

Mineralogy of Early Cambrian Ni‐Mo Polymetallic Black ...

2014-12-26 · In the Early Cambrian black-shale-hosted Ni–Mo polymetallic mineralization at the Sancha deposit (South China), the ore bed and barren surrounding lithologies have sharply contrasting mineral assemblages. The only sulfide in the barren lithologies is pyrite, whereas the ore bed contains a varied and complex collection of sulfides, including ...

BIOLEACHING OF POLISH BLACK SHALE

2007-10-1 · This procedure was introduced in studies on leaching of polymetallic shale ore, called Polkowice black shale. Tube bioreactors designed by our research team were used in these bioleaching experiments (Farbiszewska-Kiczma et al., 2006). The aims of these researches were: − evaluate bioleachability of Polkowice black shale

A genesis model for the black shale-hosted polymetallic Ni ...

The polymetallic sulfide ores have consistently heavy δ 98 / 95 Mo values of 0.94 to 1.38‰ (avg. 1.13 ±0.14‰, 1σ, n = 11), and the host black shale and phosphorite have slightly more variable δ 98 / 95 Mo values of 0.81‰ to 1.70‰ (n = 14). Microscopic study indicates that the sulfide ores show both nodular and laminated texture.

Re-Os Dating of Polymetallic Ni-Mo-PGE-Au

This age is in agreement with the depositional age of the black shale host; the initial ratio is close to present-day seawater. The sulfide layer/average seawater metal ratio is on the order of 10 6 to 10 8, about 10 to 100 times higher than that for the black shale host and for average metalliferous black shale

Dumont announces positive bioleaching metals recovery ...

2010-4-28 · Three samples of a polymetallic black shale, collected by Dumont during its 2009 field program from its Property, were submitted to BRGM in October 2009. Only one of the samples (09ASH004, 1330g ...

Bioweathering of Kupferschiefer black shale (Fore-Sudetic ...

The Upper Permian polymetallic, organic-rich Kupferschiefer black shale in the Fore-Sudetic Monocline is acknowledged to be one of the largest Cu-Ag deposits in the world. Here we report the results of the first study of bioweathering of this sedimentary rock by indigenous heterotrophic bacteria. Ex

DNI's Black Shale Metals Projects - October 2012 (Vol. 82 ...

Toronto-based DNI Metals Inc. is working aggressively to advance their polymetallic northern Alberta Black Shale metals projects toward production as rapidly as possible. For sheer size and variety of metals which might be recovered, the company’s SBH Property located 120 Km (75 mi) north of the famed mining center of Fort McMurray, Alberta ...

Method for processing of polymetallic ores and ...

(57) Abstract: Use: for processing of polymetallic ores or concentrates containing precious metals, arsenic, carbon, and sulfur. Essence: the roasting of ores containing useful components of metal, type of precious metal ores for the extraction of useful components metals conduct simultaneous transformation of arsenic in the insoluble compound in the presence of additives such as iron, and in ...

Frontiers | Enrichment of Platinum Group Elements in

2021-3-18 · Oil shale in Tibet and Cambrian black shale in the Tarim Basin have PGE distribution curves similar to that of the polymetallic layer in the Hunan–Guizhou area (Yu et al., 2003; Fu et al., 2010), further implying that the PGE distribution in organic-rich shale is controlled by the occurrence of PGE rocks.

Phanerozoic environments of black shale deposition and

2020-6-11 · BLACK SHALE Fig. 2. Classification of fine-grained marine rocks based on composition. Black shales are organic matter-rich sedimentary rocks with varying relative proportions of mud and biogenic components. Table 1. Summary of black shale occurrence with respect to Wilson Cycle stages and their respective depositional environments.

Physicochemical Problems of Mineral Processing

Extracellular compounds produced by a consortium of indigenous bacteria interact with the polymetallic Kupferschiefer black shale and implicate for elements mobilization and/or complexation. The extracellular compounds were identified by GC-MS as carboxylic acids, but also aromatic acids and alcohols.