The Quality Characteristics of Paksan Factory Industrial Wastewater

Alireza Mousavi; AH Mahvi; AR Mesdaghinia; S Nasseri

Journal of Kermanshah University of Medical Sciences

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The Quality Characteristics of Paksan Factory Industrial Wastewater

Author(s):

Alireza Mousavi^1,*,

AH Mahvi¹,

AR Mesdaghinia¹,

S Nasseri¹

1Iran

Journal of Kermanshah University of Medical Sciences:Vol. 12, issue 1; e80132

Published online:Jun 19, 2008

Article type:Research Article

Received:May 22, 2006

Accepted:Jul 29, 2008

How to Cite:Alireza MousaviAH MahviAR MesdaghiniaS NasseriThe Quality Characteristics of Paksan Factory Industrial Wastewater.J Kermanshah Univ Med Sci.12(1):e80132.

Abstract

Introduction: Treatment of Wastewater due to product and consumption of material cleaning with special physicochemical characteristics is difficult, and therefore can cause significant environmental problems such as eutrification, toxicity, algae bloom and etc.To stop these consequences, assessing the quality characteristics of this wastewaters is necessary. To investigate about the appropriate method of treatment, Paksan Factory producing 30 percent of Iran detergents was selected.

Materials& Methods: This study was a descriptive-cross-sectional one in which 30 wastewater composite samples24_hr (obtained by combining portions of 720 grab samples) were taken during a five month period. The samples were properly preserved with acid and kept under 4^◦C during experimentation and transported to laboratory. The chemical characteristics were determined. Data analyzed using descriptive statistics.

Results: The results of the samples showed that the wastewater temperature was 40.84±12.31 and the pH was 10.56±2.96. It also showed that the concentrations of the organic loading of wastewater were very high, expressed as COD, ranging from 6254-13040 mg/l, concentration of BOD was 2459-3200mg/l and concentration of MABS ranging from 245-1120mg/l.The results indicated that the BOD₅/COD ratio was 0.34±0.09 and the mean of phosphorus was 88.13 mg/l.

Conclusion: temperature and pH in wastewater of this factory have ringed with very changes and organic load was high. In most of samples BOD₅/COD ratio was proper for biological treatment but in the samples that were not proper for biological treatment this problem would be solved with combination treatment of industrial wastewater and domestic one This wastewater has high concentration of foaming that prohibit of oxygen infiltration in wastewater and nonbiodgredable material. These results indicated that the wastewater is not easily subjected to conventional system of biological treatment; therefore such wastewater can cause some environmental problems.

Keywords

Cleaning Industrial

Paksan

Detergent

Industrial Wastewater

Quality Characteristics

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