THE EFFECT OF SULFATE CONCENTRATION ON COD REMOVAL AND SLUDGE GRANULATION IN UASB REACTORS

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MAHDIZADEH M.; SHAIGAN J.

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Journal Paper

Paper Information

Journal: International Journal of Engineering Year:2003 | Volume:16 | Issue:1 (TRANSACTIONS B: APPLICATIONS) Page(s): 1-10

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Information Journal Paper

Title

THE EFFECT OF SULFATE CONCENTRATION ON COD REMOVAL AND SLUDGE GRANULATION IN UASB REACTORS

Author(s)

MAHDIZADEH M. | SHAIGAN J. | Issue Writer Certificate

Keywords

SLUDGE GRANULATION

SULFATE CONCENTRATION

UASB REACTOR

COD/SO4 RATIO

Abstract

Four identical 37.5 Liter UASB REACTORs R1, R2, R3 and R4 were used to study the effect of SULFATE CONCENTRATION on granule formation. Diluted molasses with COD range 1000–1300 mg/ l were used as feed and acclimated cow manure was used as seed. Concentration of sulfate ions in the four reactors were 100, 500, 1000 and 1500 mg/l. Granules were observed in R2 after 33 days from startup time, while in R1 and R3 granules appeared after 45 days. No granules were formed in R4. Sulfate reduction efficiencies were 84, 89, 71.5 and 59.4 % while corresponding COD removal efficiencies were 85, 91, 84 and 77% for reactor R1 to R4 respectively. Temperature kept at 30?C all experiments and the best pH for granulation

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APA: Copy

MAHDIZADEH, M., & SHAIGAN, J.. (2003). THE EFFECT OF SULFATE CONCENTRATION ON COD REMOVAL AND SLUDGE GRANULATION IN UASB REACTORS. INTERNATIONAL JOURNAL OF ENGINEERING, 16(1 (TRANSACTIONS B: APPLICATIONS)), 1-10. SID. https://sid.ir/paper/355383/en

Vancouver: Copy

MAHDIZADEH M., SHAIGAN J.. THE EFFECT OF SULFATE CONCENTRATION ON COD REMOVAL AND SLUDGE GRANULATION IN UASB REACTORS. INTERNATIONAL JOURNAL OF ENGINEERING[Internet]. 2003;16(1 (TRANSACTIONS B: APPLICATIONS)):1-10. Available from: https://sid.ir/paper/355383/en

IEEE: Copy

M. MAHDIZADEH, and J. SHAIGAN, “THE EFFECT OF SULFATE CONCENTRATION ON COD REMOVAL AND SLUDGE GRANULATION IN UASB REACTORS,” INTERNATIONAL JOURNAL OF ENGINEERING, vol. 16, no. 1 (TRANSACTIONS B: APPLICATIONS), pp. 1–10, 2003, [Online]. Available: https://sid.ir/paper/355383/en

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