A study on supercritical water gasification of black liquor conducted in stainless steel and nickel-chromium-molybdenum reactors
BACKGROUND This study presents supercritical water gasification (SCWG) as an alternative treatment process for black liquor: investigating the impacts of black liquor constituents, temperature and catalyst. The preliminary experiments include SCWG of sucrose and isoeugenol in stainless steel reactor...
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| Veröffentlicht in: | Journal of chemical technology and biotechnology (1986) 2016-10, Vol.91 (10), p.2664-2678 |
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| container_title | Journal of chemical technology and biotechnology (1986) |
| container_volume | 91 |
| creator | De Blasio, Cataldo Lucca, Gaetano Özdenkci, Karhan Mulas, Michela Lundqvist, Kurt Koskinen, Jukka Santarelli, Massimo Westerlund, Tapio Järvinen, Mika |
| description | BACKGROUND
This study presents supercritical water gasification (SCWG) as an alternative treatment process for black liquor: investigating the impacts of black liquor constituents, temperature and catalyst. The preliminary experiments include SCWG of sucrose and isoeugenol in stainless steel reactor, as model compounds of sugars and lignin. Then, the experiments of SCWG of black liquor are performed in stainless steel and INCONEL 625 reactors.
RESULTS
The results illustrated the impacts of temperature, black liquor constituents and nickel catalyst on the SCWG process. Temperature and the INCONEL reactor promoted gasification efficiency and hot gas efficiency: over 80% hot gas efficiency was reached for black liquor in the INCONEL reactor at 700 °C. Experiments on model compounds have shown that sugars generate more carbon dioxide, while lignin generates more methane. Hydrogen fraction and yield increased with temperature; nevertheless, black liquor generated hydrogen‐rich gas. The INCONEL reactor increased hot gas efficiency despite no significant impact on carbon gasification efficiency: hydrogen is promoted dramatically. In addition, temperature and the INCONEL catalyst reduce tar and char formation as well.
CONCLUSIONS
Supercritical water gasification (SCWG) is potentially a suitable treatment for black liquor: it has no evaporation requirement and high hot gas efficiency. This process can be a solution for non‐wood mills and can increase the product spectrum of Kraft mills by operating as a parallel treatment. On the other hand, sulphur balance is to be investigated for integration with Kraft mills together with a detailed feasibility study. © 2015 Society of Chemical Industry |
| doi_str_mv | 10.1002/jctb.4871 |
| format | Article |
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This study presents supercritical water gasification (SCWG) as an alternative treatment process for black liquor: investigating the impacts of black liquor constituents, temperature and catalyst. The preliminary experiments include SCWG of sucrose and isoeugenol in stainless steel reactor, as model compounds of sugars and lignin. Then, the experiments of SCWG of black liquor are performed in stainless steel and INCONEL 625 reactors.
RESULTS
The results illustrated the impacts of temperature, black liquor constituents and nickel catalyst on the SCWG process. Temperature and the INCONEL reactor promoted gasification efficiency and hot gas efficiency: over 80% hot gas efficiency was reached for black liquor in the INCONEL reactor at 700 °C. Experiments on model compounds have shown that sugars generate more carbon dioxide, while lignin generates more methane. Hydrogen fraction and yield increased with temperature; nevertheless, black liquor generated hydrogen‐rich gas. The INCONEL reactor increased hot gas efficiency despite no significant impact on carbon gasification efficiency: hydrogen is promoted dramatically. In addition, temperature and the INCONEL catalyst reduce tar and char formation as well.
CONCLUSIONS
Supercritical water gasification (SCWG) is potentially a suitable treatment for black liquor: it has no evaporation requirement and high hot gas efficiency. This process can be a solution for non‐wood mills and can increase the product spectrum of Kraft mills by operating as a parallel treatment. On the other hand, sulphur balance is to be investigated for integration with Kraft mills together with a detailed feasibility study. © 2015 Society of Chemical Industry</description><identifier>ISSN: 0268-2575</identifier><identifier>EISSN: 1097-4660</identifier><identifier>DOI: 10.1002/jctb.4871</identifier><language>eng</language><publisher>Chichester, UK: John Wiley & Sons, Ltd</publisher><subject>biomass ; Black liquor ; Catalysts ; energy ; Gasification ; Mills ; Nickel base alloys ; Reactors ; Stainless steels ; Superalloys ; supercritical fluids ; wood industry</subject><ispartof>Journal of chemical technology and biotechnology (1986), 2016-10, Vol.91 (10), p.2664-2678</ispartof><rights>2015 Society of Chemical Industry</rights><rights>2016 Society of Chemical Industry</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4391-16106548e1939fb20b5c620fa77667b7d7c4c06b8a1a2c8305622f327520c7f13</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fjctb.4871$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fjctb.4871$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27901,27902,45550,45551</link.rule.ids></links><search><creatorcontrib>De Blasio, Cataldo</creatorcontrib><creatorcontrib>Lucca, Gaetano</creatorcontrib><creatorcontrib>Özdenkci, Karhan</creatorcontrib><creatorcontrib>Mulas, Michela</creatorcontrib><creatorcontrib>Lundqvist, Kurt</creatorcontrib><creatorcontrib>Koskinen, Jukka</creatorcontrib><creatorcontrib>Santarelli, Massimo</creatorcontrib><creatorcontrib>Westerlund, Tapio</creatorcontrib><creatorcontrib>Järvinen, Mika</creatorcontrib><title>A study on supercritical water gasification of black liquor conducted in stainless steel and nickel-chromium-molybdenum reactors</title><title>Journal of chemical technology and biotechnology (1986)</title><addtitle>J. Chem. Technol. Biotechnol</addtitle><description>BACKGROUND
This study presents supercritical water gasification (SCWG) as an alternative treatment process for black liquor: investigating the impacts of black liquor constituents, temperature and catalyst. The preliminary experiments include SCWG of sucrose and isoeugenol in stainless steel reactor, as model compounds of sugars and lignin. Then, the experiments of SCWG of black liquor are performed in stainless steel and INCONEL 625 reactors.
RESULTS
The results illustrated the impacts of temperature, black liquor constituents and nickel catalyst on the SCWG process. Temperature and the INCONEL reactor promoted gasification efficiency and hot gas efficiency: over 80% hot gas efficiency was reached for black liquor in the INCONEL reactor at 700 °C. Experiments on model compounds have shown that sugars generate more carbon dioxide, while lignin generates more methane. Hydrogen fraction and yield increased with temperature; nevertheless, black liquor generated hydrogen‐rich gas. The INCONEL reactor increased hot gas efficiency despite no significant impact on carbon gasification efficiency: hydrogen is promoted dramatically. In addition, temperature and the INCONEL catalyst reduce tar and char formation as well.
CONCLUSIONS
Supercritical water gasification (SCWG) is potentially a suitable treatment for black liquor: it has no evaporation requirement and high hot gas efficiency. This process can be a solution for non‐wood mills and can increase the product spectrum of Kraft mills by operating as a parallel treatment. On the other hand, sulphur balance is to be investigated for integration with Kraft mills together with a detailed feasibility study. © 2015 Society of Chemical Industry</description><subject>biomass</subject><subject>Black liquor</subject><subject>Catalysts</subject><subject>energy</subject><subject>Gasification</subject><subject>Mills</subject><subject>Nickel base alloys</subject><subject>Reactors</subject><subject>Stainless steels</subject><subject>Superalloys</subject><subject>supercritical fluids</subject><subject>wood industry</subject><issn>0268-2575</issn><issn>1097-4660</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNqNkc9u1DAQxi0EEkvhwBtY4sIl7diO7eTYrqBLVZXLIo6W4zjgXSfe-o_KXnmSPkufjESLOHDqab6Rft-MZj6E3hM4JwD0Ymdyd143krxAKwKtrGoh4CVaARVNRbnkr9GblHYAIBoqVuj3JU659EccJpzKwUYTXXZGe_ygs434h05umPvsZiAMT4-d12aPvbsvIWITpr6YbHvsZnvWbvI2pVlZ67Ge-qfHyZm99ZX5GcPoyliNwR-73k5lxNFqk0NMb9GrQftk3_2tZ-jb50_b9aa6_Xr9ZX15W5mataQigoDgdWNJy9qho9BxIygMWkohZCd7aWoDoms00dQ0DLigdGBUcgpGDoSdoY-nuYcY7otNWY0uGeu9nmwoSZGGcS5bTtgzUMJFC4KKGf3wH7oLJU7zIQtFuKRcLLsvTtSD8_aoDtGNOh4VAbWkppbU1JKaullvrxYxO6qTw83f_PXPoeNeCckkV9_vrtXVlm1YfbNRNfsDKludzw</recordid><startdate>201610</startdate><enddate>201610</enddate><creator>De Blasio, Cataldo</creator><creator>Lucca, Gaetano</creator><creator>Özdenkci, Karhan</creator><creator>Mulas, Michela</creator><creator>Lundqvist, Kurt</creator><creator>Koskinen, Jukka</creator><creator>Santarelli, Massimo</creator><creator>Westerlund, Tapio</creator><creator>Järvinen, Mika</creator><general>John Wiley & Sons, Ltd</general><general>Wiley Subscription Services, Inc</general><scope>BSCLL</scope><scope>7QF</scope><scope>7QO</scope><scope>7QQ</scope><scope>7QR</scope><scope>7SC</scope><scope>7SE</scope><scope>7SP</scope><scope>7SR</scope><scope>7T7</scope><scope>7TA</scope><scope>7TB</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>F28</scope><scope>FR3</scope><scope>H8D</scope><scope>H8G</scope><scope>JG9</scope><scope>JQ2</scope><scope>KR7</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope><scope>P64</scope></search><sort><creationdate>201610</creationdate><title>A study on supercritical water gasification of black liquor conducted in stainless steel and nickel-chromium-molybdenum reactors</title><author>De Blasio, Cataldo ; Lucca, Gaetano ; Özdenkci, Karhan ; Mulas, Michela ; Lundqvist, Kurt ; Koskinen, Jukka ; Santarelli, Massimo ; Westerlund, Tapio ; Järvinen, Mika</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4391-16106548e1939fb20b5c620fa77667b7d7c4c06b8a1a2c8305622f327520c7f13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>biomass</topic><topic>Black liquor</topic><topic>Catalysts</topic><topic>energy</topic><topic>Gasification</topic><topic>Mills</topic><topic>Nickel base alloys</topic><topic>Reactors</topic><topic>Stainless steels</topic><topic>Superalloys</topic><topic>supercritical fluids</topic><topic>wood industry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>De Blasio, Cataldo</creatorcontrib><creatorcontrib>Lucca, Gaetano</creatorcontrib><creatorcontrib>Özdenkci, Karhan</creatorcontrib><creatorcontrib>Mulas, Michela</creatorcontrib><creatorcontrib>Lundqvist, Kurt</creatorcontrib><creatorcontrib>Koskinen, Jukka</creatorcontrib><creatorcontrib>Santarelli, Massimo</creatorcontrib><creatorcontrib>Westerlund, Tapio</creatorcontrib><creatorcontrib>Järvinen, Mika</creatorcontrib><collection>Istex</collection><collection>Aluminium Industry Abstracts</collection><collection>Biotechnology Research Abstracts</collection><collection>Ceramic Abstracts</collection><collection>Chemoreception Abstracts</collection><collection>Computer and Information Systems Abstracts</collection><collection>Corrosion Abstracts</collection><collection>Electronics & Communications Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Materials Business File</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Copper Technical Reference Library</collection><collection>Materials Research Database</collection><collection>ProQuest Computer Science Collection</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Computer and Information Systems Abstracts Academic</collection><collection>Computer and Information Systems Abstracts Professional</collection><collection>Biotechnology and BioEngineering Abstracts</collection><jtitle>Journal of chemical technology and biotechnology (1986)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>De Blasio, Cataldo</au><au>Lucca, Gaetano</au><au>Özdenkci, Karhan</au><au>Mulas, Michela</au><au>Lundqvist, Kurt</au><au>Koskinen, Jukka</au><au>Santarelli, Massimo</au><au>Westerlund, Tapio</au><au>Järvinen, Mika</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A study on supercritical water gasification of black liquor conducted in stainless steel and nickel-chromium-molybdenum reactors</atitle><jtitle>Journal of chemical technology and biotechnology (1986)</jtitle><addtitle>J. Chem. Technol. Biotechnol</addtitle><date>2016-10</date><risdate>2016</risdate><volume>91</volume><issue>10</issue><spage>2664</spage><epage>2678</epage><pages>2664-2678</pages><issn>0268-2575</issn><eissn>1097-4660</eissn><abstract>BACKGROUND
This study presents supercritical water gasification (SCWG) as an alternative treatment process for black liquor: investigating the impacts of black liquor constituents, temperature and catalyst. The preliminary experiments include SCWG of sucrose and isoeugenol in stainless steel reactor, as model compounds of sugars and lignin. Then, the experiments of SCWG of black liquor are performed in stainless steel and INCONEL 625 reactors.
RESULTS
The results illustrated the impacts of temperature, black liquor constituents and nickel catalyst on the SCWG process. Temperature and the INCONEL reactor promoted gasification efficiency and hot gas efficiency: over 80% hot gas efficiency was reached for black liquor in the INCONEL reactor at 700 °C. Experiments on model compounds have shown that sugars generate more carbon dioxide, while lignin generates more methane. Hydrogen fraction and yield increased with temperature; nevertheless, black liquor generated hydrogen‐rich gas. The INCONEL reactor increased hot gas efficiency despite no significant impact on carbon gasification efficiency: hydrogen is promoted dramatically. In addition, temperature and the INCONEL catalyst reduce tar and char formation as well.
CONCLUSIONS
Supercritical water gasification (SCWG) is potentially a suitable treatment for black liquor: it has no evaporation requirement and high hot gas efficiency. This process can be a solution for non‐wood mills and can increase the product spectrum of Kraft mills by operating as a parallel treatment. On the other hand, sulphur balance is to be investigated for integration with Kraft mills together with a detailed feasibility study. © 2015 Society of Chemical Industry</abstract><cop>Chichester, UK</cop><pub>John Wiley & Sons, Ltd</pub><doi>10.1002/jctb.4871</doi><tpages>15</tpages><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0268-2575 |
| ispartof | Journal of chemical technology and biotechnology (1986), 2016-10, Vol.91 (10), p.2664-2678 |
| issn | 0268-2575 1097-4660 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_1835579513 |
| source | Wiley-Blackwell Full Collection |
| subjects | biomass Black liquor Catalysts energy Gasification Mills Nickel base alloys Reactors Stainless steels Superalloys supercritical fluids wood industry |
| title | A study on supercritical water gasification of black liquor conducted in stainless steel and nickel-chromium-molybdenum reactors |
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