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Investigation of Leachate Treatment with Electrocoagulation and Optimization by Response Surface Methodology
Author(s) -
Kabuk Harun Akif,
İlhan Fatih,
Avsar Yasar,
Kurt Ugur,
Apaydin Omer,
Gonullu Mustafa T.
Publication year - 2014
Publication title -
clean – soil, air, water
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.444
H-Index - 66
eISSN - 1863-0669
pISSN - 1863-0650
DOI - 10.1002/clen.201300086
Subject(s) - kjeldahl method , response surface methodology , electrocoagulation , leachate , central composite design , chemical oxygen demand , polynomial regression , environmental science , total organic carbon , process (computing) , environmental engineering , process engineering , pulp and paper industry , nitrogen , mathematics , computer science , chemistry , linear regression , engineering , environmental chemistry , statistics , sewage treatment , organic chemistry , operating system
This study examined the treatability of leachate with the electrocoagulation process and its optimization using the response surface method. The three‐parameter optimization process and a 5‐level, 6‐replicate central composite design were included in the investigation on a set of 36 pieces created for the study. A second‐order full polynomial approximation model was applied to evaluate the results of the optimization studies, which were performed for the removal of chemical oxygen demand, total suspended solids, total organic carbon, total Kjeldahl nitrogen, and NH 3 ‐N. When these parameters were compared, the appropriate working conditions obtained for current density and time were 20 mA cm −2 and 60 min, respectively, at pH 8. In this way, both pH adjustment and power costs were reduced.