Treatment of organophosphate-contaminated wastewater by acidic hydrolysis and precipitation
Wastewater from commercial manufacture of organophosphate (OP) pesticide of O-methyl- O-(2-isopropyl salicylate) thiophosphorusyl amide contains large amounts of organophosphate, organic sulfides, COD and NH 3 N. A treatment process including acidic hydrolysis and precipitation was explored in this...
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| Veröffentlicht in: | Journal of hazardous materials 2006-02, Vol.129 (1), p.234-238 |
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| creator | Jia, Zhiqian Li, Yue Lu, Shu Peng, Haizhu Ge, Jianying Chen, Shideng |
| description | Wastewater from commercial manufacture of organophosphate (OP) pesticide of
O-methyl-
O-(2-isopropyl salicylate) thiophosphorusyl amide contains large amounts of organophosphate, organic sulfides, COD and NH
3
N. A treatment process including acidic hydrolysis and precipitation was explored in this paper. The effects of initial pH values, hydrolysis temperature and hydrolysis time on the removal of pollutants were investigated. The experimental results showed that, in the hydrolysis, with the decreasing initial pH value, the removal of OP, sulfide and COD rose whereas the NH
3
N removal declined. Increased hydrolysis temperature and time favored the removal of all the pollutants. 15.0
wt% Ca(OH)
2 was sufficient for the removal of inorganic phosphorus and residual NH
3
N in the precipitation step. With this chemical process, the removal of total phosphorus (TP), organophosphate, sulfides and NH
3
N exceeded 90%, and the removal of COD was about 60%. The BOD
5/COD value was greatly improved from 0.05 to 0.3, and the bio-degradability of the wastewater was greatly improved. The NH
3 generated in the process was absorbed with water and might be reused in the manufacture of the pesticide. The results showed that this comprehensive process is effective for the treatment of this typical unbio-degradable pesticide wastewater. |
| doi_str_mv | 10.1016/j.jhazmat.2005.08.032 |
| format | Article |
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O-methyl-
O-(2-isopropyl salicylate) thiophosphorusyl amide contains large amounts of organophosphate, organic sulfides, COD and NH
3
N. A treatment process including acidic hydrolysis and precipitation was explored in this paper. The effects of initial pH values, hydrolysis temperature and hydrolysis time on the removal of pollutants were investigated. The experimental results showed that, in the hydrolysis, with the decreasing initial pH value, the removal of OP, sulfide and COD rose whereas the NH
3
N removal declined. Increased hydrolysis temperature and time favored the removal of all the pollutants. 15.0
wt% Ca(OH)
2 was sufficient for the removal of inorganic phosphorus and residual NH
3
N in the precipitation step. With this chemical process, the removal of total phosphorus (TP), organophosphate, sulfides and NH
3
N exceeded 90%, and the removal of COD was about 60%. The BOD
5/COD value was greatly improved from 0.05 to 0.3, and the bio-degradability of the wastewater was greatly improved. The NH
3 generated in the process was absorbed with water and might be reused in the manufacture of the pesticide. The results showed that this comprehensive process is effective for the treatment of this typical unbio-degradable pesticide wastewater.</description><identifier>ISSN: 0304-3894</identifier><identifier>EISSN: 1873-3336</identifier><identifier>DOI: 10.1016/j.jhazmat.2005.08.032</identifier><identifier>PMID: 16246490</identifier><identifier>CODEN: JHMAD9</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Applied sciences ; Chemical Precipitation ; Chemical treatment ; Exact sciences and technology ; General purification processes ; Hydrolysis ; Industrial Waste ; Insecticides ; Organic wastewater ; Organophosphate wastewater ; Organophosphates ; Pesticide wastewater ; Pollution ; Wastewater treatment ; Wastewaters ; Water Pollutants, Chemical ; Water Purification - methods ; Water treatment and pollution</subject><ispartof>Journal of hazardous materials, 2006-02, Vol.129 (1), p.234-238</ispartof><rights>2005 Elsevier B.V.</rights><rights>2006 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c548t-4299358a2baeb263de3060c259246cec840766b227471b5873e17b9fc2eaa9c53</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jhazmat.2005.08.032$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=17561034$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/16246490$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Jia, Zhiqian</creatorcontrib><creatorcontrib>Li, Yue</creatorcontrib><creatorcontrib>Lu, Shu</creatorcontrib><creatorcontrib>Peng, Haizhu</creatorcontrib><creatorcontrib>Ge, Jianying</creatorcontrib><creatorcontrib>Chen, Shideng</creatorcontrib><title>Treatment of organophosphate-contaminated wastewater by acidic hydrolysis and precipitation</title><title>Journal of hazardous materials</title><addtitle>J Hazard Mater</addtitle><description>Wastewater from commercial manufacture of organophosphate (OP) pesticide of
O-methyl-
O-(2-isopropyl salicylate) thiophosphorusyl amide contains large amounts of organophosphate, organic sulfides, COD and NH
3
N. A treatment process including acidic hydrolysis and precipitation was explored in this paper. The effects of initial pH values, hydrolysis temperature and hydrolysis time on the removal of pollutants were investigated. The experimental results showed that, in the hydrolysis, with the decreasing initial pH value, the removal of OP, sulfide and COD rose whereas the NH
3
N removal declined. Increased hydrolysis temperature and time favored the removal of all the pollutants. 15.0
wt% Ca(OH)
2 was sufficient for the removal of inorganic phosphorus and residual NH
3
N in the precipitation step. With this chemical process, the removal of total phosphorus (TP), organophosphate, sulfides and NH
3
N exceeded 90%, and the removal of COD was about 60%. The BOD
5/COD value was greatly improved from 0.05 to 0.3, and the bio-degradability of the wastewater was greatly improved. The NH
3 generated in the process was absorbed with water and might be reused in the manufacture of the pesticide. The results showed that this comprehensive process is effective for the treatment of this typical unbio-degradable pesticide wastewater.</description><subject>Applied sciences</subject><subject>Chemical Precipitation</subject><subject>Chemical treatment</subject><subject>Exact sciences and technology</subject><subject>General purification processes</subject><subject>Hydrolysis</subject><subject>Industrial Waste</subject><subject>Insecticides</subject><subject>Organic wastewater</subject><subject>Organophosphate wastewater</subject><subject>Organophosphates</subject><subject>Pesticide wastewater</subject><subject>Pollution</subject><subject>Wastewater treatment</subject><subject>Wastewaters</subject><subject>Water Pollutants, Chemical</subject><subject>Water Purification - methods</subject><subject>Water treatment and pollution</subject><issn>0304-3894</issn><issn>1873-3336</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkU1v1DAQhi0EokvhJ4BygVsWfzs5IVTxJVXiUk4crIkzYb1K4mB7Wy2_Hq82Uo_dgzVzeOb1jB5C3jK6ZZTpj_vtfgf_JshbTqna0mZLBX9GNqwxohZC6OdkQwWVtWhaeUVepbSnlDKj5EtyxTSXWrZ0Q37fRYQ84ZyrMFQh_oE5LLuQlh1krF2YM0x-Ln1fPUDK-FDaWHXHCpzvvat2xz6G8Zh8qmDuqyWi84vPkH2YX5MXA4wJ36z1mvz6-uXu5nt9-_Pbj5vPt7VTssm15G0rVAO8A-y4Fj0Kqqnjqi1LOnSNpEbrjnMjDetUuQ-Z6drBcQRonRLX5MM5d4nh7wFTtpNPDscRZgyHZEs-N1zKC0BjaHmXgJw36oJE0xql-dOJrNWm0YYXUJ1BF0NKEQe7RD9BPFpG7cm83dvVvD2Zt7SxxXyZe7d-cOgm7B-nVtUFeL8CkByMQ4TZ-fTIlT0ZFaeTPp05LMruPUabnMfZYe-L3Gz74J9Y5T9tLc9Q</recordid><startdate>20060228</startdate><enddate>20060228</enddate><creator>Jia, Zhiqian</creator><creator>Li, Yue</creator><creator>Lu, Shu</creator><creator>Peng, Haizhu</creator><creator>Ge, Jianying</creator><creator>Chen, Shideng</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TV</scope><scope>7U7</scope><scope>7UA</scope><scope>C1K</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>KR7</scope><scope>7TB</scope></search><sort><creationdate>20060228</creationdate><title>Treatment of organophosphate-contaminated wastewater by acidic hydrolysis and precipitation</title><author>Jia, Zhiqian ; Li, Yue ; Lu, Shu ; Peng, Haizhu ; Ge, Jianying ; Chen, Shideng</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c548t-4299358a2baeb263de3060c259246cec840766b227471b5873e17b9fc2eaa9c53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>Applied sciences</topic><topic>Chemical Precipitation</topic><topic>Chemical treatment</topic><topic>Exact sciences and technology</topic><topic>General purification processes</topic><topic>Hydrolysis</topic><topic>Industrial Waste</topic><topic>Insecticides</topic><topic>Organic wastewater</topic><topic>Organophosphate wastewater</topic><topic>Organophosphates</topic><topic>Pesticide wastewater</topic><topic>Pollution</topic><topic>Wastewater treatment</topic><topic>Wastewaters</topic><topic>Water Pollutants, Chemical</topic><topic>Water Purification - methods</topic><topic>Water treatment and pollution</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Jia, Zhiqian</creatorcontrib><creatorcontrib>Li, Yue</creatorcontrib><creatorcontrib>Lu, Shu</creatorcontrib><creatorcontrib>Peng, Haizhu</creatorcontrib><creatorcontrib>Ge, Jianying</creatorcontrib><creatorcontrib>Chen, Shideng</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Pollution Abstracts</collection><collection>Toxicology Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><jtitle>Journal of hazardous materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Jia, Zhiqian</au><au>Li, Yue</au><au>Lu, Shu</au><au>Peng, Haizhu</au><au>Ge, Jianying</au><au>Chen, Shideng</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Treatment of organophosphate-contaminated wastewater by acidic hydrolysis and precipitation</atitle><jtitle>Journal of hazardous materials</jtitle><addtitle>J Hazard Mater</addtitle><date>2006-02-28</date><risdate>2006</risdate><volume>129</volume><issue>1</issue><spage>234</spage><epage>238</epage><pages>234-238</pages><issn>0304-3894</issn><eissn>1873-3336</eissn><coden>JHMAD9</coden><abstract>Wastewater from commercial manufacture of organophosphate (OP) pesticide of
O-methyl-
O-(2-isopropyl salicylate) thiophosphorusyl amide contains large amounts of organophosphate, organic sulfides, COD and NH
3
N. A treatment process including acidic hydrolysis and precipitation was explored in this paper. The effects of initial pH values, hydrolysis temperature and hydrolysis time on the removal of pollutants were investigated. The experimental results showed that, in the hydrolysis, with the decreasing initial pH value, the removal of OP, sulfide and COD rose whereas the NH
3
N removal declined. Increased hydrolysis temperature and time favored the removal of all the pollutants. 15.0
wt% Ca(OH)
2 was sufficient for the removal of inorganic phosphorus and residual NH
3
N in the precipitation step. With this chemical process, the removal of total phosphorus (TP), organophosphate, sulfides and NH
3
N exceeded 90%, and the removal of COD was about 60%. The BOD
5/COD value was greatly improved from 0.05 to 0.3, and the bio-degradability of the wastewater was greatly improved. The NH
3 generated in the process was absorbed with water and might be reused in the manufacture of the pesticide. The results showed that this comprehensive process is effective for the treatment of this typical unbio-degradable pesticide wastewater.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><pmid>16246490</pmid><doi>10.1016/j.jhazmat.2005.08.032</doi><tpages>5</tpages></addata></record> |
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| source | MEDLINE; Elsevier ScienceDirect Journals Complete |
| subjects | Applied sciences Chemical Precipitation Chemical treatment Exact sciences and technology General purification processes Hydrolysis Industrial Waste Insecticides Organic wastewater Organophosphate wastewater Organophosphates Pesticide wastewater Pollution Wastewater treatment Wastewaters Water Pollutants, Chemical Water Purification - methods Water treatment and pollution |
| title | Treatment of organophosphate-contaminated wastewater by acidic hydrolysis and precipitation |
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