Biotreatment of refinery spent sulfidic caustic by specialized cultures and acclimated activated sludge
Sodium hydroxide solutions are used in petroleum refining to remove hydrogen sulfide from various hydrocarbon streams. The resulting sulfide-laden waste stream is called spent sulfidic caustic. Two microbial cultures have been investigated to compare their ability to biotreat refinery spent sulfidic...
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| Veröffentlicht in: | Applied Biochemistry and Biotechnology 1996-03, Vol.57-58 (1), p.945-958 |
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| container_title | Applied Biochemistry and Biotechnology |
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| creator | KOLHATKAR, A SUBLETTE, K. L |
| description | Sodium hydroxide solutions are used in petroleum refining to remove hydrogen sulfide from various hydrocarbon streams. The resulting sulfide-laden waste stream is called spent sulfidic caustic. Two microbial cultures have been investigated to compare their ability to biotreat refinery spent sulfidic caustic. One culture was a specialized flocculated culture of the autotrophic sulfide oxidizer, Thiobacillus denitrificans strain F. The other was an acclimated culture enriched from a refinery-activated sludge treatment system. Both cultures were capable of complete oxidation of caustic sulfides to sulfate at specific activities of 1.0-1.3 mmol sulfide/h/g mixed liquor suspended solids (MLSS). However, the enrichment culture exhibited less stable operation in terms of hydrogen sulfide emissions and was less tolerant of reduced temperatures. Use of caustic carbonates as the sole carbon source for sulfide oxidizers and the effect of refinery waste water on spent caustic treatment was also investigated. 10 refs., 3 figs., 3 tabs. |
| doi_str_mv | 10.1007/BF02941775 |
| format | Article |
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Economical aspects</topic><topic>PETROLEUM REFINERIES</topic><topic>REMEDIAL ACTION</topic><topic>SODIUM HYDROXIDES</topic><topic>SPENT LIQUORS</topic><topic>SULFUR-OXIDIZING BACTERIA</topic><topic>WASTE PROCESSING</topic><topic>WASTE WATER</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>KOLHATKAR, A</creatorcontrib><creatorcontrib>SUBLETTE, K. L</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>OSTI.GOV</collection><jtitle>Applied Biochemistry and Biotechnology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>KOLHATKAR, A</au><au>SUBLETTE, K. L</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Biotreatment of refinery spent sulfidic caustic by specialized cultures and acclimated activated sludge</atitle><jtitle>Applied Biochemistry and Biotechnology</jtitle><date>1996-03-01</date><risdate>1996</risdate><volume>57-58</volume><issue>1</issue><spage>945</spage><epage>958</epage><pages>945-958</pages><issn>0273-2289</issn><eissn>1559-0291</eissn><coden>ABIBDL</coden><abstract>Sodium hydroxide solutions are used in petroleum refining to remove hydrogen sulfide from various hydrocarbon streams. The resulting sulfide-laden waste stream is called spent sulfidic caustic. Two microbial cultures have been investigated to compare their ability to biotreat refinery spent sulfidic caustic. One culture was a specialized flocculated culture of the autotrophic sulfide oxidizer, Thiobacillus denitrificans strain F. The other was an acclimated culture enriched from a refinery-activated sludge treatment system. Both cultures were capable of complete oxidation of caustic sulfides to sulfate at specific activities of 1.0-1.3 mmol sulfide/h/g mixed liquor suspended solids (MLSS). However, the enrichment culture exhibited less stable operation in terms of hydrogen sulfide emissions and was less tolerant of reduced temperatures. Use of caustic carbonates as the sole carbon source for sulfide oxidizers and the effect of refinery waste water on spent caustic treatment was also investigated. 10 refs., 3 figs., 3 tabs.</abstract><cop>Heidelberg</cop><pub>Springer</pub><doi>10.1007/BF02941775</doi><tpages>14</tpages></addata></record> |
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| ispartof | Applied Biochemistry and Biotechnology, 1996-03, Vol.57-58 (1), p.945-958 |
| issn | 0273-2289 1559-0291 |
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| source | SpringerLink Journals - AutoHoldings |
| subjects | 02 PETROLEUM ACTIVATED SLUDGE PROCESS BACILLUS BIOCONVERSION Biological and medical sciences Biological treatment of waters BIOLOGY AND MEDICINE, BASIC STUDIES BIOREACTORS Biotechnology CARBON SOURCES Environment and pollution ENVIRONMENTAL SCIENCES Fundamental and applied biological sciences. Psychology HYDROCARBONS HYDROGEN SULFIDES Industrial applications and implications. Economical aspects PETROLEUM REFINERIES REMEDIAL ACTION SODIUM HYDROXIDES SPENT LIQUORS SULFUR-OXIDIZING BACTERIA WASTE PROCESSING WASTE WATER |
| title | Biotreatment of refinery spent sulfidic caustic by specialized cultures and acclimated activated sludge |
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