{"title":"聚氯化铝及真菌序批式好氧反应器处理糖蜜渣臭氧脱色研究","authors":"Sanjay Singh, A. Dikshit","doi":"10.5923/J.AJEE.20120203.01","DOIUrl":null,"url":null,"abstract":"Molasses spentwash from distilleries is characterized by high COD and color. The treatment of distillery spentwash by coagulation with polyaluminium chloride(PAC) followed by biological treatment with fungal sequencing batch aerobic reactor(FSBAR) resulted in 87% decolorization. To achieve further decolorization, ozonation of treated distillery spentwash was carried out at different ozone doses and contact times. It was found that pH had a negligible effect on de- colourization. The optimum ozone dose was found to be 4.75 g/L at application rate of 3.8 g/h for 30 min with correspond- ing decolorization being 66%. The overall decolorization obtained by the combined treatment(PAC treatment, FSBAR and Ozonation) was 96% and the total COD removal was 81%.","PeriodicalId":92604,"journal":{"name":"American journal of environmental engineering","volume":"2 1","pages":"45-48"},"PeriodicalIF":0.0000,"publicationDate":"2012-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":"{\"title\":\"Decolourization of Polyaluminium Chloride and Fungal Sequencing Batch Aerobic Reactor Treated Molasses Spentwash by Ozone\",\"authors\":\"Sanjay Singh, A. Dikshit\",\"doi\":\"10.5923/J.AJEE.20120203.01\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Molasses spentwash from distilleries is characterized by high COD and color. The treatment of distillery spentwash by coagulation with polyaluminium chloride(PAC) followed by biological treatment with fungal sequencing batch aerobic reactor(FSBAR) resulted in 87% decolorization. To achieve further decolorization, ozonation of treated distillery spentwash was carried out at different ozone doses and contact times. It was found that pH had a negligible effect on de- colourization. The optimum ozone dose was found to be 4.75 g/L at application rate of 3.8 g/h for 30 min with correspond- ing decolorization being 66%. The overall decolorization obtained by the combined treatment(PAC treatment, FSBAR and Ozonation) was 96% and the total COD removal was 81%.\",\"PeriodicalId\":92604,\"journal\":{\"name\":\"American journal of environmental engineering\",\"volume\":\"2 1\",\"pages\":\"45-48\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2012-05-09\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"4\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"American journal of environmental engineering\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.5923/J.AJEE.20120203.01\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"American journal of environmental engineering","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.5923/J.AJEE.20120203.01","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Decolourization of Polyaluminium Chloride and Fungal Sequencing Batch Aerobic Reactor Treated Molasses Spentwash by Ozone
Molasses spentwash from distilleries is characterized by high COD and color. The treatment of distillery spentwash by coagulation with polyaluminium chloride(PAC) followed by biological treatment with fungal sequencing batch aerobic reactor(FSBAR) resulted in 87% decolorization. To achieve further decolorization, ozonation of treated distillery spentwash was carried out at different ozone doses and contact times. It was found that pH had a negligible effect on de- colourization. The optimum ozone dose was found to be 4.75 g/L at application rate of 3.8 g/h for 30 min with correspond- ing decolorization being 66%. The overall decolorization obtained by the combined treatment(PAC treatment, FSBAR and Ozonation) was 96% and the total COD removal was 81%.
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