EVALUATING THE EFFECTIVENESS OF PUSH-PULL VENTILATION SYSTEM FOR CONTROLLING LEAD, ZINC AND SULFURIC ACID EMITTED FROM ZINC ELECTROLYSIS UNITS OF A ZINC PRODUCTION INDUSTRY

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AKBARI MAJID; BAHRAMI ABDORAHMAN; GHORBANI SHAHNA FARSHID

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Journal: JOURNAL OF OCCUPATIONAL HYGIENE ENGINEERING Year:2017 | Volume:4 | Issue:1 Page(s): 56-65

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Title

EVALUATING THE EFFECTIVENESS OF PUSH-PULL VENTILATION SYSTEM FOR CONTROLLING LEAD, ZINC AND SULFURIC ACID EMITTED FROM ZINC ELECTROLYSIS UNITS OF A ZINC PRODUCTION INDUSTRY

Author(s)

AKBARI MAJID | BAHRAMI ABDORAHMAN | GHORBANI SHAHNA FARSHID | Issue Writer Certificate

Keywords

PUSH-PULL VENTILATIONQ1

SULFURIC ACIDQ1

HEAVYQ1

METALSQ1

ZINCQ1

ELECTROLYSISQ1

Abstract

Introduction: Air pollution is one of the hazardous factors on human health and the environment. In the ZINC production industry, because of the process nature and using ELECTROLYSIS pools, the amount of production and diffusion of some harmful pollutants such as acidic vapors is exceedingly high. This study aimed to assess the effectiveness of PUSH-PULL VENTILATION system implemented for controlling the emitted pollutants from an ELECTROLYSIS unit of a ZINC industry.Methods: In this study, the concentrations of emitted pollutants into the breathing zone of workers and work environment, before and after implementing ventilation system in a ZINC production industry, was measured. Then, the efficiency of the system in pollution reduction was measured consequently. Finally, the operational parameters of ventilation were measured and compared with the values of the design.Results: Results showed that the concentrations of lead and ZINC were less than Iran’s occupational exposure limits in all samples, but the density of SULFURIC ACID was more than the permissible limit. The concentrations of SULFURIC ACID before implementing the ventilation system in the inhaled, environmental and pollution air sources were 1.17±0.90, 2.14±0.63 and 5.59±1.49 mg per cubic meter, respectively. These values after implementing the ventilation system were 0.11 ± 0.032, 0.24 ± 0.15 and 0.97 ± 0.52 mg, respectively.Conclusions: The results showed that the modified PUSH-PULL VENTILATION system that was in accordance with the limitations of the ELECTROLYSIS unit has proper efficiency for reducing such industrial pollutants.

Cites

Design and Evaluation of Local Ventilation System and Packed Bed Scrubber to Control Hydrogen Sulfide Emitted from the Dryer Machines of a Cardboard Company

References

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APA: Copy

AKBARI, MAJID, BAHRAMI, ABDORAHMAN, & GHORBANI SHAHNA, FARSHID. (2017). EVALUATING THE EFFECTIVENESS OF PUSH-PULL VENTILATION SYSTEM FOR CONTROLLING LEAD, ZINC AND SULFURIC ACID EMITTED FROM ZINC ELECTROLYSIS UNITS OF A ZINC PRODUCTION INDUSTRY. JOURNAL OF OCCUPATIONAL HYGIENE ENGINEERING, 4(1), 56-65. SID. https://sid.ir/paper/253525/en

Vancouver: Copy

AKBARI MAJID, BAHRAMI ABDORAHMAN, GHORBANI SHAHNA FARSHID. EVALUATING THE EFFECTIVENESS OF PUSH-PULL VENTILATION SYSTEM FOR CONTROLLING LEAD, ZINC AND SULFURIC ACID EMITTED FROM ZINC ELECTROLYSIS UNITS OF A ZINC PRODUCTION INDUSTRY. JOURNAL OF OCCUPATIONAL HYGIENE ENGINEERING[Internet]. 2017;4(1):56-65. Available from: https://sid.ir/paper/253525/en

IEEE: Copy

MAJID AKBARI, ABDORAHMAN BAHRAMI, and FARSHID GHORBANI SHAHNA, “EVALUATING THE EFFECTIVENESS OF PUSH-PULL VENTILATION SYSTEM FOR CONTROLLING LEAD, ZINC AND SULFURIC ACID EMITTED FROM ZINC ELECTROLYSIS UNITS OF A ZINC PRODUCTION INDUSTRY,” JOURNAL OF OCCUPATIONAL HYGIENE ENGINEERING, vol. 4, no. 1, pp. 56–65, 2017, [Online]. Available: https://sid.ir/paper/253525/en

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