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Optimum conditions were estimated through RSM at 23.4 h aeration time, pH=6.8 and 5.6 (%v\/v) sludge volume\/ wastewater volume and to achieve 38.1% COD removal. 1 (g\/L) addition of PAC reduction COD until 48.7%.<\/p>","DOI":"10.4018\/ijcce.2015010102","type":"journal-article","created":{"date-parts":[[2015,7,16]],"date-time":"2015-07-16T13:48:56Z","timestamp":1437054536000},"page":"16-25","source":"Crossref","is-referenced-by-count":0,"title":["The Treatment of Cheese Whey Wastewater by Waste Activated Sludge and Optimization of Treatment Conditions with Response Surface Methodology"],"prefix":"10.4018","volume":"4","author":[{"given":"Gholam","family":"Khayati","sequence":"first","affiliation":[{"name":"Department of Chemical Engineering, University of Guilan, Rasht, Iran"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Morteza","family":"Barati","sequence":"additional","affiliation":[{"name":"Department of Chemical Engineering, University of Guilan, Rasht, Iran"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"2432","reference":[{"key":"ijcce.2015010102-0","year":"1995","journal-title":"Standard methods for examination of water and wastewater"},{"key":"ijcce.2015010102-1","doi-asserted-by":"publisher","DOI":"10.1007\/BF02788678"},{"key":"ijcce.2015010102-2","first-page":"177","article-title":"Effect of PAC addition in combined treatment of landfill leachate and domestic wastewater in semi-continuously fed batch and continuous-flow reactors.","volume":"24","author":"F.Cecen","year":"2001","journal-title":"Water S.A."},{"key":"ijcce.2015010102-3","doi-asserted-by":"publisher","DOI":"10.1016\/j.cej.2009.11.009"},{"key":"ijcce.2015010102-4","doi-asserted-by":"publisher","DOI":"10.1007\/BF00138553"},{"key":"ijcce.2015010102-5","doi-asserted-by":"publisher","DOI":"10.1016\/j.watres.2003.10.019"},{"key":"ijcce.2015010102-6","doi-asserted-by":"publisher","DOI":"10.2307\/1266632"},{"key":"ijcce.2015010102-7","doi-asserted-by":"publisher","DOI":"10.1080\/00986445.2012.721032"},{"key":"ijcce.2015010102-8","first-page":"83","article-title":"A statistical approach for optimization of lipase production by using rice straw: Analysis of different inducers and nitrogen sources effect.","volume":"24","author":"G.Khayati","year":"2012","journal-title":"Minerva Biotech."},{"key":"ijcce.2015010102-9","doi-asserted-by":"publisher","DOI":"10.1002\/bit.260360613"},{"key":"ijcce.2015010102-10","doi-asserted-by":"publisher","DOI":"10.1016\/j.jhazmat.2008.03.118"},{"key":"ijcce.2015010102-11","doi-asserted-by":"publisher","DOI":"10.1016\/j.jfoodeng.2005.04.062"},{"key":"ijcce.2015010102-12","author":"D. 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