DECREASE OF TEXTILE WASTEWATER INDICATORS FOR BIOLOGICAL TREATMENT

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MASSOUDINEJAD M.R.; REZAZADEH AZARI M.

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Journal: JOURNAL OF MICROBIOLOGY KNOWLEDGE Year:2009 | Volume:1 | Issue:1 Page(s): 43-48

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Information Journal Paper

Title

DECREASE OF TEXTILE WASTEWATER INDICATORS FOR BIOLOGICAL TREATMENT

Author(s)

MASSOUDINEJAD M.R. | REZAZADEH AZARI M. | Issue Writer Certificate

Keywords

TEXTILEQ4

POLYACRYLICQ4

WASTEWATER TREATMENTQ4

ELIMINATION OF COLORED SUBSTANCE AND OXIDATION CALCIUM HYPOCHLORITEQ4

Abstract

One of the best Technology for environmental protection and source of water, Reused of wastewater. In the poly acrylic TEXTILE Wastewater contained acetic acid, Ritarder, Softner and etc. Our objective was to examine convenient methods for elimination of color and reduction of COD by pretreatment of influent through addition of calcium hypochlorite. Influent was collected in holding tank of 8m3 and was chlorinated by calcium hypochlorite of 65% with dosage of 1 gram per liter with retention time of 10 minute. The oxidized wastewater was conditioned by lime for neutralizing pH (mg/L) and in cases of free chlorine presence; thiosulfate was also added in range of 1 to 10 mg/L. The processed wastewater was injected with flow of 0.68 m3/hr in extended aeration tank for 12 hours. Application of calcium hypochlorite with dosage of 1 g/L and 10 minutes retention time resulted in reduction of color and COD 65 and 95 percent respectively. The quantity of COD after pretreatment with calcium hypochlorite in range of 3280 to 6650 mg/L was reduced to 119.5-128 mg/L. Conventional biological treatment dose not have capability for proper treatment of acrylic TEXTILE wastewater with high content of coloring dissolved chemical and COD. This method demonstrated a practical and economical treatment technique for such wastewater.

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APA: Copy

MASSOUDINEJAD, M.R., & REZAZADEH AZARI, M.. (2009). DECREASE OF TEXTILE WASTEWATER INDICATORS FOR BIOLOGICAL TREATMENT. JOURNAL OF MICROBIOLOGY KNOWLEDGE, 1(1), 43-48. SID. https://sid.ir/paper/193213/en

Vancouver: Copy

MASSOUDINEJAD M.R., REZAZADEH AZARI M.. DECREASE OF TEXTILE WASTEWATER INDICATORS FOR BIOLOGICAL TREATMENT. JOURNAL OF MICROBIOLOGY KNOWLEDGE[Internet]. 2009;1(1):43-48. Available from: https://sid.ir/paper/193213/en

IEEE: Copy

M.R. MASSOUDINEJAD, and M. REZAZADEH AZARI, “DECREASE OF TEXTILE WASTEWATER INDICATORS FOR BIOLOGICAL TREATMENT,” JOURNAL OF MICROBIOLOGY KNOWLEDGE, vol. 1, no. 1, pp. 43–48, 2009, [Online]. Available: https://sid.ir/paper/193213/en

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