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Study of moving bed biofilm reactor in diethyl phthalate and diallyl phthalate removal from synthetic wastewater.

Abstract：

:Phthalic acid esters have received significant attention over the last few years since they are considered as priority pollutants. In this study, effects of different operation conditions including hydraulic retention time, phthalates loading rates and aeration rate on process performance of moving bed biofilm reactor (MBBR) for removing diethyl phthalate (DEP) and diallyl phthalate (DAP) from synthetic wastewater was evaluated. In optimum conditions, 94.96% and 93.85% removal efficiency were achieved for DEP and DAP, respectively. Moreover, MBBR achieved to remove more than 92% of COD for both phthalates. The results showed that DEP had a higher biodegradation rate compared to DAP, according to the selected parameters such as half saturation constant, overall reaction rate and maximum specific growth rate. The Grau second order model found as the best model for predicting MBBR performance due to its high correlation coefficients and more conformity of its kinetic coefficients to the results.

journal_name

Bioresour Technol

journal_title

Bioresource technology

authors

Ahmadi E,Gholami M,Farzadkia M,Nabizadeh R,Azari A

doi

10.1016/j.biortech.2015.01.122

subject

Has Abstract

pub_date

2015-05-01 00:00:00

pages

129-35

eissn

0960-8524

issn

1873-2976

pii

S0960-8524(15)00142-X

journal_volume

183

pub_type

杂志文章

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