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Olmez-Hanci, T.; Arslan-Alaton, I.; Orhon, D.; Karahan, O.; Cokgor, E. Ubay; Insel, G.
{ "DOI": "10.1016/j.biortech.2011.01.086", "abstract": "Synthetically prepared wastewater originating from the H-acid (4-Amino-5-hydroxy-2,7-naphthalene disulfonic acid) manufacturing process was subjected to respirometric analysis for evaluating the level of achievable biodegradation in the presence of this commercially important azo dye precursor. For this purpose, H-acid was mixed with synthetic substrate having the same characteristics as sewage at a concentration and composition being typical for H-acid manufacturing wastewater. Experimental results indicated that H-acid was not biodegradable under activated sludge treatment conditions even after prolonged acclimation periods. The results were also confirmed by model evaluation of oxygen uptake rate profiles. H-acid also did not inhibit the biodegradation of synthetic sewage but accumulated as soluble inert COD in the treated wastewater. (C) 2011 Elsevier Ltd. All rights reserved.", "author": [ { "family": "Olmez-Hanci", "given": " T." }, { "family": "Arslan-Alaton", "given": " I." }, { "family": "Orhon", "given": " D." }, { "family": "Karahan", "given": " O." }, { "family": "Cokgor", "given": " E. Ubay" }, { "family": "Insel", "given": " G." } ], "container_title": "BIORESOURCE TECHNOLOGY", "id": "23039", "issue": "10", "issued": { "date-parts": [ [ 2011, 1, 1 ] ] }, "page": "5589-5595", "title": "Is the naphthalene sulfonate H-acid biodegradable in mixed microbial cultures under aerobic conditions?", "type": "article-journal", "volume": "102" }
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