THE PERFORMANCE OF CHEMICAL COMPOUNDS (FERRO SULFATE, FERRIC CHLORIDE AND CALCIUM HYPOCHLORITE) IN H2S AND SULFIDE REMOVAL FROM INDUSTRIAL EFFLUENTS

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TORABIAN ALI; HASSANI AMIR HESAM; SHAFIEE LEILI

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Journal: JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY Year:2009 | Volume:10 | Issue:4 (SPECIAL ISSUS 39) Page(s): 0-0

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Title

THE PERFORMANCE OF CHEMICAL COMPOUNDS (FERRO SULFATE, FERRIC CHLORIDE AND CALCIUM HYPOCHLORITE) IN H2S AND SULFIDE REMOVAL FROM INDUSTRIAL EFFLUENTS

Author(s)

TORABIAN ALI | HASSANI AMIR HESAM | SHAFIEE LEILI | Issue Writer Certificate

Keywords

FERRO SULFATEQ3

FERRIC CHLORIDE AND CALCIUM HYPOCHLORITEQ3

HYDROGEN SULFIDEQ3

CHEMICAL PRECIPITATIONQ3

Abstract

In this research, the performance of three chemical compounds (FERRO SULFATE, FERRIC CHLORIDE AND CALCIUM HYPOCHLORITE) and the effect of an increase of TDS on them in sulfide removal have been studied.The results showed that using these three chemical materials, CHEMICAL PRECIPITATION was a proper method for effluent treatment. With the change of pH from 4 to 9 under the concentration limit of sulfide 0.95-47.05 mg/l and following the study of 97 effluent samples, the highest sulfide removal efficiency of nearly 61.38-66.21% was observed in a pH of 7. Besides, after checking 59 effluent samples, FERRO SULFATE with the concentration of 2-100 mg/l under the concentration limit of sulfide 0.95-47.05 mg/l had the highest sulfide removal efficiency of about 55.79-73.94%. Moreover, after studying 62 effluent samples, Ferric chloride with the concentration of 2-100 mg/l under the concentration limit of sulfide 0.95-47.05 mg/l had the sulfide removal efficiency of nearly 67.5-84.2%. Furthermore, Calcium hypochlorite with the concentration 10-500 mg/l under the concentration limit of sulfide (0.95-47.05 mg/l) and with checking 60 effluent samples had the sulfide removal efficiency of about 62.17-80.85%. It can be seen that the ratios of ferric, Ferro and hypochlorite ions to the sulfide ion are 2, 5 and 10, respectively and that Ferric chloride has the highest removal efficiency with less concentration. Finally, the results have shown that the decrease in the removal percentages of FERRO SULFATE, FERRIC CHLORIDE AND CALCIUM HYPOCHLORITE by increasing TDS to 1000 mg/l was not significant while with the increase of TDS up to 1500 mg/l, sulfide removal efficiency is considerable.

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APA: Copy

TORABIAN, ALI, HASSANI, AMIR HESAM, & SHAFIEE, LEILI. (2009). THE PERFORMANCE OF CHEMICAL COMPOUNDS (FERRO SULFATE, FERRIC CHLORIDE AND CALCIUM HYPOCHLORITE) IN H₂S AND SULFIDE REMOVAL FROM INDUSTRIAL EFFLUENTS. JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY, 10(4 (SPECIAL ISSUS 39)), 0-0. SID. https://sid.ir/paper/365164/en

Vancouver: Copy

TORABIAN ALI, HASSANI AMIR HESAM, SHAFIEE LEILI. THE PERFORMANCE OF CHEMICAL COMPOUNDS (FERRO SULFATE, FERRIC CHLORIDE AND CALCIUM HYPOCHLORITE) IN H₂S AND SULFIDE REMOVAL FROM INDUSTRIAL EFFLUENTS. JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY[Internet]. 2009;10(4 (SPECIAL ISSUS 39)):0-0. Available from: https://sid.ir/paper/365164/en

IEEE: Copy

ALI TORABIAN, AMIR HESAM HASSANI, and LEILI SHAFIEE, “THE PERFORMANCE OF CHEMICAL COMPOUNDS (FERRO SULFATE, FERRIC CHLORIDE AND CALCIUM HYPOCHLORITE) IN H₂S AND SULFIDE REMOVAL FROM INDUSTRIAL EFFLUENTS,” JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY, vol. 10, no. 4 (SPECIAL ISSUS 39), pp. 0–0, 2009, [Online]. Available: https://sid.ir/paper/365164/en

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