EFFECT OF CONCENTRATION OF CATIONS ON ACTIVATED SLUDGE PROPERTIES AND MEMBRANE FOULING IN MEMBRANE BIOREACTORS FOR WASTEWATER TREATMENT

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AAZAMI HAMED; MEHRNIYA MOHAMMADREZA; SARRAFZADEH MOHAMMAD HOSEIN; MAFIRAD SARA; KAZEMZADEH MAHSA; MADAYENI SEYED SIYAVASH

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Journal: Journal of Chemical and Petroleum Engineering Year:2010 | Volume:44 | Issue:1 Page(s): 1-8

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Title

EFFECT OF CONCENTRATION OF CATIONS ON ACTIVATED SLUDGE PROPERTIES AND MEMBRANE FOULING IN MEMBRANE BIOREACTORS FOR WASTEWATER TREATMENT

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Keywords

FOULINGQ3

SUBMERGED MEMBRANE BIOREACTORQ2

METALLIC CATIONSQ3

DEWATER ABILITY AND SETTLE ABILITYQ3

Abstract

This paper presents the results of an investigation on the effects of concentration of cations on activated sludge properties and membrane FOULING in submerge membrane bioreactors. The working volume of the experimental setup was two liters. The cellulose acetate membrane was immersed in the bioreactor. The flocculability, settling properties and FOULING propensity of activated sludge was measured in various concentrations of cations such as sodium, potassium, magnesium and calcium. Results showed that cations bind with biopolymers and induce flocculation in bioreactors. This phenomenon induced in divalent cations so that flocculability of activated sludge in presence of divalent cations was two-fold of flocculability of activated sludge. On the other hand, cations improve settle ability and dewatering properties of activated sludge and especially mitigated membrane FOULING, for example, calcium reduced the membrane FOULING intensity by 25% of the reference activated sludge.

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APA: Copy

AAZAMI, HAMED, MEHRNIYA, MOHAMMADREZA, SARRAFZADEH, MOHAMMAD HOSEIN, MAFIRAD, SARA, KAZEMZADEH, MAHSA, & MADAYENI, SEYED SIYAVASH. (2010). EFFECT OF CONCENTRATION OF CATIONS ON ACTIVATED SLUDGE PROPERTIES AND MEMBRANE FOULING IN MEMBRANE BIOREACTORS FOR WASTEWATER TREATMENT. JOURNAL OF CHEMICAL AND PETROLEUM ENGINEERING (JOURNAL OF FACULTY OF ENGINEERING), 44(1), 1-8. SID. https://sid.ir/paper/166680/en

Vancouver: Copy

AAZAMI HAMED, MEHRNIYA MOHAMMADREZA, SARRAFZADEH MOHAMMAD HOSEIN, MAFIRAD SARA, KAZEMZADEH MAHSA, MADAYENI SEYED SIYAVASH. EFFECT OF CONCENTRATION OF CATIONS ON ACTIVATED SLUDGE PROPERTIES AND MEMBRANE FOULING IN MEMBRANE BIOREACTORS FOR WASTEWATER TREATMENT. JOURNAL OF CHEMICAL AND PETROLEUM ENGINEERING (JOURNAL OF FACULTY OF ENGINEERING)[Internet]. 2010;44(1):1-8. Available from: https://sid.ir/paper/166680/en

IEEE: Copy

HAMED AAZAMI, MOHAMMADREZA MEHRNIYA, MOHAMMAD HOSEIN SARRAFZADEH, SARA MAFIRAD, MAHSA KAZEMZADEH, and SEYED SIYAVASH MADAYENI, “EFFECT OF CONCENTRATION OF CATIONS ON ACTIVATED SLUDGE PROPERTIES AND MEMBRANE FOULING IN MEMBRANE BIOREACTORS FOR WASTEWATER TREATMENT,” JOURNAL OF CHEMICAL AND PETROLEUM ENGINEERING (JOURNAL OF FACULTY OF ENGINEERING), vol. 44, no. 1, pp. 1–8, 2010, [Online]. Available: https://sid.ir/paper/166680/en

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