TY - JOUR
T1 - Bio-fouling reducers for improving the performance of an aerobic submerged membrane bioreactor treating palm oil mill effluent
AU - Yuniarto, Adhi
AU - Noor, Zainura Zainon
AU - Ujang, Zaini
AU - Olsson, Gustaf
AU - Aris, Azmi
AU - Hadibarata, Tony
N1 - Funding Information:
The authors wish to thank the Research Management Center (RMC) of UniversitiTeknologi Malaysia for the financial assistance under VOT no. 79903 . Acknowledgment also to InstitutTeknologiSepuluhNopember (ITS) Surabaya Indonesia for giving generous support to the first author.
PY - 2013/5/1
Y1 - 2013/5/1
N2 - A bench scale aerobic submerged membrane bioreactor (ASMBR) was used to treat diluted palm oil mill effluent (POME). For further improving the effluent quality and reduction of bio-fouling, powdered activated carbon (PAC) and zeolite were used as bio-fouling reducers (BFR). We compared the performances of ASMBR without BFR (called BFR0) with ASMBR using BFR, namely 2g/L PAC (BFR1), 4g/L PAC (BFR2) and 2g/L zeolite (BFR3) for a period of about 70days. Each system with BFR showed distinct performances by producing higher effluent quality as compared with BFR0. On average, the systems with and without BFR removed COD by 97.5-98.5% and 95.2%, respectively. The ASMBR with BFR also produced permeate with average residual color between 16 and 26 Pt-Co, as compared to 80 Pt-Co by BFR0. The addition of BFR increased the critical flux from 20LMH (BFR0) to 36, 42 and 30LMH (BFR1, BFR2, and BFR3). Furthermore, the ASMBR systems with BFR formed lower operational trans-membrane pressure (TMP), lowered the concentration of soluble microbial products (SMP) and increased the concentration of EPS.
AB - A bench scale aerobic submerged membrane bioreactor (ASMBR) was used to treat diluted palm oil mill effluent (POME). For further improving the effluent quality and reduction of bio-fouling, powdered activated carbon (PAC) and zeolite were used as bio-fouling reducers (BFR). We compared the performances of ASMBR without BFR (called BFR0) with ASMBR using BFR, namely 2g/L PAC (BFR1), 4g/L PAC (BFR2) and 2g/L zeolite (BFR3) for a period of about 70days. Each system with BFR showed distinct performances by producing higher effluent quality as compared with BFR0. On average, the systems with and without BFR removed COD by 97.5-98.5% and 95.2%, respectively. The ASMBR with BFR also produced permeate with average residual color between 16 and 26 Pt-Co, as compared to 80 Pt-Co by BFR0. The addition of BFR increased the critical flux from 20LMH (BFR0) to 36, 42 and 30LMH (BFR1, BFR2, and BFR3). Furthermore, the ASMBR systems with BFR formed lower operational trans-membrane pressure (TMP), lowered the concentration of soluble microbial products (SMP) and increased the concentration of EPS.
KW - Aerobic submerged membrane bioreactor
KW - Bio-fouling reducer
KW - Palm oil mill effluent
UR - http://www.scopus.com/inward/record.url?scp=84875236395&partnerID=8YFLogxK
U2 - 10.1016/j.desal.2013.02.002
DO - 10.1016/j.desal.2013.02.002
M3 - Article
AN - SCOPUS:84875236395
SN - 0011-9164
VL - 316
SP - 146
EP - 153
JO - Desalination
JF - Desalination
ER -