sulfur removal inorganic

Mössbauer study of the inorganic sulfur removal from
2013-12-9 · Mössbauer study of the inorganic sulfur removal from coals Fig. 1 SEM images of a general view of beneficiated coal product (left side) and precipitated coal product (right side) by hydrocyclonic separation process.In the circles were identified clusters of grains of pyrite Fig. 2 EDX spectra associated with the grains of pyrite (FeS2)identified in the Fig. 1
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Mössbauer study of the inorganic sulfur removal from
As precombustion sulfur removal becomes an attractive alternative to flue gas scrubbers, scientists have explored several methods of removing
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Mössbauer study of the inorganic sulfur removal from
2013-6-6 · Mössbauer Spectroscopy (MS) was applied to study the occurrence and behavior of the iron-sulfur-containing minerals in coal and coal fractions obtained by different separation methods: hydrocyclonic, flotation and chemical removal process. Samples of one high sulfur coal from Guachinte mine (Valle, Colombia) and three low sulfur coals from the El Salitre zone
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Low temperature removal of inorganic sulfur compounds
2011-1-18 · Low temperature removal of inorganic sulfur compounds from mining process waters Maria Liljeqvist , Department of Molecular Biology, Umeå University, SE-901 87 Umeå, Sweden telephone: 46-480-447334; fax: 46-480-447305
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SELECTIVE REMOVAL OF ORGANIC SULFUR FROM COAL
2018-6-15 · Desulfurization of coal involves the removal of both the inorganic and organic forms of sulfur. Several physical methods are available for the removal of inorganic sulfur which is normally represented by pyritic and sulfatic sulfur. Removal of organic sulfur requires the use of chemical cleaning methods.
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Effect of removal organic sulfur from coal macromolecular ...
2020-1-1 · Inorganic sulfur in coal could be easily removed by the most economical physical method, while organic sulfur removal was difficult due to the complexity of coal macromolecular structure . As shown in Fig. 1 , organic sulfur mainly existed in the form of five kinds of sulfur-containing groups, including thiols, thiophene, thioether, sulfoxide ...
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Microbial removal of organic sulfur | DINLER Lab
2012-2-2 · The removal of sulfur from coal is a complicated process due to the presence of mainly different inorganic and organic forms of sulfur as pyrite, sulfate, inorganic sulfite, organic sulfur compounds and elemental sulfur, each requiring
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Removal of sulfur-containing organic molecules adsorbed
2016-10-20 · Removal of adsorbed sulfur-containing organic molecules. To remove the adsorbed sulfur-containing organic molecules, free cells, collected by centrifugation at 4000×g for 30 min at 4 °C (from 10 9 to 25 × 10 9 cells), were placed in a 25 ml flask containing sulfur-free Medium A (10 ml) with 1 g support containing adsorbed DBT or 4,6-DMDBT ...
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(PDF) Sulfur distribution in coke and sulfur removal ...
2022-1-20 · Obviously, H2 is more effective on sulfur removal than N2, CO or CH4. The total, organic and inorganic sulfur contents in coke increase with increasing
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An evaluation of desulfurization technologies for sulfur ...
The current industrial method for removal of sulfur from fuels is hydrodesulfurization (HDS), which is a high temperature, high pressure catalytic
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Low temperature removal of inorganic sulfur compounds
Low temperature removal of inorganic sulfur compounds from mining process waters Maria Liljeqvist Department of Molecular Biology, Umeå University, SE‐901 87 Umeå, Sweden telephone: 46‐480‐447334; fax: 46‐480‐447305
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Mössbauer study of the inorganic sulfur removal from
2013-6-6 · Mössbauer Spectroscopy (MS) was applied to study the occurrence and behavior of the iron-sulfur-containing minerals in coal and coal fractions obtained by different separation methods: hydrocyclonic, flotation and chemical removal process. Samples of one high sulfur coal from Guachinte mine (Valle, Colombia) and three low sulfur coals from the El Salitre zone
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Process for the selective removal of inorganic and/or ...
The invention relates to a process for the selective removal of inorganic and/or organic sulfur compounds, such as H 2 S, COS, CS 2, thiols, and the like, from gases which contain, in addition, at least one of the components H 2, N 2, Ar, CO 2, CO, and aliphatic hydrocarbons by scrubbing with a physical scrubbing agent, i.e., a scrubbing agent ...
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SELECTIVE REMOVAL OF ORGANIC SULFUR FROM COAL
2018-6-15 · Desulfurization of coal involves the removal of both the inorganic and organic forms of sulfur. Several physical methods are available for the removal of inorganic sulfur which is normally represented by pyritic and sulfatic sulfur. Removal of organic sulfur requires the use of chemical cleaning methods.
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Process for chromium removal using an inorganic sulfur ...
1993-7-28 · What is claimed is: 1. A process for the removal of chromium from an aqueous liquid or sludge, said process comprising: A) adding to a first, aqueous liquid or sludge a reducing agent selected from the group consisting of an inorganic sulfur containing compound in which sulfur is present in the 4+ oxidation state, said inorganic sulfur containing compound being added in an
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Microbial removal of organic sulfur | DINLER Lab
2012-2-2 · The removal of sulfur from coal is a complicated process due to the presence of mainly different inorganic and organic forms of sulfur as pyrite, sulfate, inorganic sulfite, organic sulfur compounds and elemental sulfur, each requiring
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Desulfurization of Coal - EOLSS
2017-1-16 · encouraged technical development of coal cleaning for sulfur removal. Physical cleaning techniques to remove inorganic sulfur forms, mainly pyritic sulfur, are well established and widely used. On the other hand, chemical and biological cleaning can offer the potential to remove organic sulfur, but these methods have not yet been
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REGULATION 9 INORGANIC GASEOUS POLLUTANTS
2018-4-24 · 9-1-206 Sulfur Removal and Recovery System: A set of process units which remove H2S from refinery gas streams and the reduced sulfur compounds and ammonia from process water streams. The reduced sulfurous compounds are recovered as sodium hydrosulfide (NaSH), elemental sulfur, sulfuric acid, or other sulfate compounds.
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(PDF) Sulfur distribution in coke and sulfur removal ...
2022-1-20 · Obviously, H2 is more effective on sulfur removal than N2, CO or CH4. The total, organic and inorganic sulfur contents in coke increase with increasing the diameter of coking chamber under ...
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Sulphur removal in ironmaking and oxygen steelmaking
2020-4-9 · Sulphur removal in ironmaking and oxygen steelmaking Frank Nicolaas Hermanus Schrama ∗1,2, Elisabeth Maria Beunder 2, Bart Van den Berg3, Yongxiang Yang 1 and Rob Boom 1 Sulphur removal in the ironmaking and oxygen steelmaking process is reviewed.
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Process for the selective removal of inorganic and/or ...
The invention relates to a process for the selective removal of inorganic and/or organic sulfur compounds, such as H 2 S, COS, CS 2, thiols, and the like, from gases which contain, in addition, at least one of the components H 2, N 2, Ar, CO 2, CO, and aliphatic hydrocarbons by scrubbing with a physical scrubbing agent, i.e., a scrubbing agent ...
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Biological removal of sulfurous compounds and metals
2020-10-27 · Biological removal of sulfurous compounds and metals from inorganic wastewaters David Barrie Johnson and Ana Laura Santos 7.1 INTRODUCTION Sulfur-rich wastewaters that contain relatively little dissolved organic carbon may be generated as a result of several industrial processes: for example, galvanic
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Process for chromium removal using an inorganic sulfur ...
1993-7-28 · What is claimed is: 1. A process for the removal of chromium from an aqueous liquid or sludge, said process comprising: A) adding to a first, aqueous liquid or sludge a reducing agent selected from the group consisting of an inorganic sulfur containing compound in which sulfur is present in the 4+ oxidation state, said inorganic sulfur containing compound being added in an
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SELECTIVE REMOVAL OF INORGANIC FINE SOLIDS,
2021-8-3 · Selective Removal of Inorganic Fine Solids, Heavy Metals and Sulfur from Bitumen/Heavy Oils Doctor of Philosophy, 2003 Xiangyang Zou Department of Chemical Engineering and Applied chemistry University of Toronto
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Microbial removal of organic sulfur | DINLER Lab
2012-2-2 · The removal of sulfur from coal is a complicated process due to the presence of mainly different inorganic and organic forms of sulfur as pyrite, sulfate, inorganic sulfite, organic sulfur compounds and elemental sulfur, each requiring
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REGULATION 9 INORGANIC GASEOUS POLLUTANTS
2018-4-24 · 9-1-206 Sulfur Removal and Recovery System: A set of process units which remove H2S from refinery gas streams and the reduced sulfur compounds and ammonia from process water streams. The reduced sulfurous compounds are recovered as sodium hydrosulfide (NaSH), elemental sulfur, sulfuric acid, or other sulfate compounds.
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Sulfur Removal from Low‐Sulfur Gasoline and Diesel Fuel
2010-1-28 · However, a high efficiency for sulfur removal from fuels and model oils was noticed for a special copper‐containing MOF (copper benzene‐1,3,5‐tricarboxylate, Cu‐BTC‐MOF). By use of this material, 78 wt % of the sulfur content was removed from thiophene containing model oils and an even higher decrease of up to 86 wt % was obtained for ...
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AP-42, CH 8.13: Sulfur Recovery
2015-9-10 · 7/93 (Reformatted 1/95) Inorganic Chemical Industry 8.13-1. achieved depending on the number of catalytic reaction stages and the type of reheating method used. Figure 8.13-1. Typical Claus sulfur recovery unit. ... In order to properly remove the sulfur, incinerators must operate at a temperature of 650°C (1,200°F) or higher if all the H2 2.
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Sulphur removal in ironmaking and oxygen steelmaking
2020-4-9 · Sulphur removal in ironmaking and oxygen steelmaking Frank Nicolaas Hermanus Schrama ∗1,2, Elisabeth Maria Beunder 2, Bart Van den Berg3, Yongxiang Yang 1 and Rob Boom 1 Sulphur removal in the ironmaking and oxygen steelmaking process is reviewed.
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Sulfur Fertility for Crop Production | Pioneer Seeds
Sulfur is an essential nutrient for crop production, often ranked behind only nitrogen, phosphorus, and potassium in importance. Increased removal due to higher crop yields combined with reduced inputs from atmospheric deposition and other sources have increased the prevalence of sulfur deficiencies. This Crop Insights discusses sulfur requirements, deficiency symptoms, soil and
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