Desulphurization of high-sulphur coals of north-east Indian coalfields by organometallic compounds
This paper describes a new approach towards desulphurizing high-sulphur coals at normal atmospheric pressure and at elevated pressures. Using sodium compounds of both straight chain and aromatic alcohols, a reasonable rate of organic sulphur removal was achieved. Pyritic and sulphate sulphur were re...
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| Veröffentlicht in: | Fuel (Guildford) 1989-05, Vol.68 (5), p.610-613 |
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| container_title | Fuel (Guildford) |
| container_volume | 68 |
| creator | Mazumder, B. Saikia, P.C. Sain, B. Baruah, B.P. Bordoloi, C.S. |
| description | This paper describes a new approach towards desulphurizing high-sulphur coals at normal atmospheric pressure and at elevated pressures. Using sodium compounds of both straight chain and aromatic alcohols, a reasonable rate of organic sulphur removal was achieved. Pyritic and sulphate sulphur were removed to the extent of 90% or more in almost all cases. Treatment time is also relatively small. The consequent changes in caking index, calorific value and softening point are also discussed. The dependence of the extent of sulphur removal on particle size of coal has also been studied. The economics of the process may be attractive as most of the spent solvent can be regenerated. |
| doi_str_mv | 10.1016/0016-2361(89)90159-2 |
| format | Article |
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Using sodium compounds of both straight chain and aromatic alcohols, a reasonable rate of organic sulphur removal was achieved. Pyritic and sulphate sulphur were removed to the extent of 90% or more in almost all cases. Treatment time is also relatively small. The consequent changes in caking index, calorific value and softening point are also discussed. The dependence of the extent of sulphur removal on particle size of coal has also been studied. 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The economics of the process may be attractive as most of the spent solvent can be regenerated.</description><subject>Applied sciences</subject><subject>coal</subject><subject>Coal and derived products</subject><subject>desulphurization</subject><subject>Energy</subject><subject>Exact sciences and technology</subject><subject>Fuels</subject><subject>Mechanical preparation</subject><subject>organometallic compounds</subject><subject>Processing</subject><issn>0016-2361</issn><issn>1873-7153</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1989</creationdate><recordtype>article</recordtype><recordid>eNp9kE9LxDAQxYMouK5-Aw89iOihmrRJk1wE8e_Cghc9hzSZupFuUpNW0E9vu7t49DIDM795w3sInRJ8RTCprvFY8qKsyIWQlxITJvNiD82I4GXOCSv30ewPOURHKX1gjLlgdIbqe0hD262G6H5074LPQpOt3Psq340zE3SbpqkPsV_loFOfLbx12m9WjYPWpqz-zkJ81z6soddt68y4XHdh8DYdo4NmlICTXZ-jt8eH17vnfPnytLi7Xeam4LLPC0m04eVoCKShDeFS04KDrSVjwggqKlrVlNbCUluzkjUMBG6w1bwWsuGmnKPzrW4Xw-cAqVdrlwy0rfYQhqQKRjivSDGCdAuaGFKK0KguurWO34pgNQWqprTUlJYSUm0CVdPZ2U5fJzMaj9obl_5ueSElZeWI3WwxGL1-OYgqGQfegHURTK9scP__-QWIs4sA</recordid><startdate>19890501</startdate><enddate>19890501</enddate><creator>Mazumder, B.</creator><creator>Saikia, P.C.</creator><creator>Sain, B.</creator><creator>Baruah, B.P.</creator><creator>Bordoloi, C.S.</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope></search><sort><creationdate>19890501</creationdate><title>Desulphurization of high-sulphur coals of north-east Indian coalfields by organometallic compounds</title><author>Mazumder, B. ; Saikia, P.C. ; Sain, B. ; Baruah, B.P. ; Bordoloi, C.S.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c279t-291ac73101e9c4f179a427edb9558c848646b44b8d4db535f5e80f0da7b89f7c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1989</creationdate><topic>Applied sciences</topic><topic>coal</topic><topic>Coal and derived products</topic><topic>desulphurization</topic><topic>Energy</topic><topic>Exact sciences and technology</topic><topic>Fuels</topic><topic>Mechanical preparation</topic><topic>organometallic compounds</topic><topic>Processing</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Mazumder, B.</creatorcontrib><creatorcontrib>Saikia, P.C.</creatorcontrib><creatorcontrib>Sain, B.</creatorcontrib><creatorcontrib>Baruah, B.P.</creatorcontrib><creatorcontrib>Bordoloi, C.S.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><jtitle>Fuel (Guildford)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Mazumder, B.</au><au>Saikia, P.C.</au><au>Sain, B.</au><au>Baruah, B.P.</au><au>Bordoloi, C.S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Desulphurization of high-sulphur coals of north-east Indian coalfields by organometallic compounds</atitle><jtitle>Fuel (Guildford)</jtitle><date>1989-05-01</date><risdate>1989</risdate><volume>68</volume><issue>5</issue><spage>610</spage><epage>613</epage><pages>610-613</pages><issn>0016-2361</issn><eissn>1873-7153</eissn><abstract>This paper describes a new approach towards desulphurizing high-sulphur coals at normal atmospheric pressure and at elevated pressures. 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| source | Elsevier ScienceDirect Journals Complete - AutoHoldings |
| subjects | Applied sciences coal Coal and derived products desulphurization Energy Exact sciences and technology Fuels Mechanical preparation organometallic compounds Processing |
| title | Desulphurization of high-sulphur coals of north-east Indian coalfields by organometallic compounds |
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