COMPARISON OF BIOSORPTION OF HEAVY METAL ZINC BY FOUR DIFFERENT MICROBIAL BIOMAS (ACTIVATED SLUDGE) IN INDUSTRIAL WASTE WATER IN ORDER TO BIOLOGICAL REFINEMENT

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KHOSRAVAN A.; AMINI J.; SARSALARY S.; ROHANIAN E.

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Journal: JOURNAL OF MICROBIAL WORLD Year:2009 | Volume:2 | Issue:1 Page(s): 23-30

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Title

COMPARISON OF BIOSORPTION OF HEAVY METAL ZINC BY FOUR DIFFERENT MICROBIAL BIOMAS (ACTIVATED SLUDGE) IN INDUSTRIAL WASTE WATER IN ORDER TO BIOLOGICAL REFINEMENT

Author(s)

KHOSRAVAN A. | AMINI J. | SARSALARY S. | ROHANIAN E. | Issue Writer Certificate

Keywords

BIOSORPTIONQ3

ACTIVATED SLUDGEQ2

MICROBIAL BIOMASSQ3

ZINCQ2

Abstract

Background and objectives: Industrial and agricultural activities have led to a substantial release of toxic heavy metals in the environment, which can constitute a major hazard for the ecosystem and human health. Today, the use of MICROBIAL BIOMASS for removal of heavy metals from aqueous solutions is gaining increasing attention. This study aims to evaluate the ability of the adsorption of heavy metal ZINC by four different biomasses (activated sludge of the systems of wastewater refining, non-alcohlic carbonated soda industries, milk, herbal oil, and poultry slaughterhouse) and to determine the optimum conditions of pH to eliminate this metal from industrial waste water.Materials and methods: The different values of this industry-activated sludge were added to 250mil ZINC solution of specific concentration. Then in different times, we took sample of the result solution and measured the concentration of ZINC by atomic absorption method. This experiment was repeated by solutions whose pH adjusted to 4 0.2, 5 0.2 and 6.5 0.2.Results: Study of the results delineated that 30mil ACTIVATED SLUDGE of factories, non-alcohlic carbonated soda, Vegetable oil, Milk and poultry slaughterhouse within 150 min, about 82%, 33.4%, 48.9% and 51.5% decreased the initial concentration of ZINC in the solution respectively. The comparison of ZINC absorption ability of active sludge in each industry in different pH showed that all of the mentioned industries sludge with pH 6.5 had the higest ability in ZINC absorption.Conclusion: We can use this material to eliminate ZINC from waste water and their refinement, considering the low cost of the sludge substrast and also its availability. So adjusting the primary pH of solution, the out put of ZINC removal from solution in waste water treatment can be increased.

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APA: Copy

KHOSRAVAN, A., AMINI, J., SARSALARY, S., & ROHANIAN, E.. (2009). COMPARISON OF BIOSORPTION OF HEAVY METAL ZINC BY FOUR DIFFERENT MICROBIAL BIOMAS (ACTIVATED SLUDGE) IN INDUSTRIAL WASTE WATER IN ORDER TO BIOLOGICAL REFINEMENT. JOURNAL OF MICROBIAL WORLD, 2(1), 23-30. SID. https://sid.ir/paper/189161/en

Vancouver: Copy

KHOSRAVAN A., AMINI J., SARSALARY S., ROHANIAN E.. COMPARISON OF BIOSORPTION OF HEAVY METAL ZINC BY FOUR DIFFERENT MICROBIAL BIOMAS (ACTIVATED SLUDGE) IN INDUSTRIAL WASTE WATER IN ORDER TO BIOLOGICAL REFINEMENT. JOURNAL OF MICROBIAL WORLD[Internet]. 2009;2(1):23-30. Available from: https://sid.ir/paper/189161/en

IEEE: Copy

A. KHOSRAVAN, J. AMINI, S. SARSALARY, and E. ROHANIAN, “COMPARISON OF BIOSORPTION OF HEAVY METAL ZINC BY FOUR DIFFERENT MICROBIAL BIOMAS (ACTIVATED SLUDGE) IN INDUSTRIAL WASTE WATER IN ORDER TO BIOLOGICAL REFINEMENT,” JOURNAL OF MICROBIAL WORLD, vol. 2, no. 1, pp. 23–30, 2009, [Online]. Available: https://sid.ir/paper/189161/en

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