{"title":"Some observations on organic removal in an SBR","authors":"W.J. Ng, J.C. Tan","doi":"10.1016/0269-7483(90)90003-B","DOIUrl":null,"url":null,"abstract":"<div><p>A laboratory-scale sequencing batch reactor was fed with synthetic wastewater based on sucrose to determine the biokinetics of the process. The values of <em>u</em><sub>max</sub> <em>and</em> <em>K</em><sub>s</sub> were found to be 0·32 h<sup>−1</sup> and 563 mg/litre, respectively, while the yield constant was determined to be 0·656 with a standard deviation of 0·102. COD removal was good. The relationship between the food:microorganisms (F/M) ratio and SVI was explored and results showed that increases in the F/M ratio led to decreases in SVI values. The initial adsorption of substrate was proportional to the amount of biomass in the reactor. Comparisons between changes in MLVSS and Total Viable Count were made and MLVSS was not found to be a good indicator for the viability of organisms in the reactor.</p></div>","PeriodicalId":100177,"journal":{"name":"Biological Wastes","volume":"33 3","pages":"Pages 169-179"},"PeriodicalIF":0.0000,"publicationDate":"1990-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0269-7483(90)90003-B","citationCount":"4","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Biological Wastes","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/026974839090003B","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 4
Abstract
A laboratory-scale sequencing batch reactor was fed with synthetic wastewater based on sucrose to determine the biokinetics of the process. The values of umaxandKs were found to be 0·32 h−1 and 563 mg/litre, respectively, while the yield constant was determined to be 0·656 with a standard deviation of 0·102. COD removal was good. The relationship between the food:microorganisms (F/M) ratio and SVI was explored and results showed that increases in the F/M ratio led to decreases in SVI values. The initial adsorption of substrate was proportional to the amount of biomass in the reactor. Comparisons between changes in MLVSS and Total Viable Count were made and MLVSS was not found to be a good indicator for the viability of organisms in the reactor.
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