PERFORMANCE OF A PILOT-SCALE VERMIFILTER FOR THE TREATMENT OF A REAL HOSPITALWASTEWATER

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GHOBADI NAHID; SHOKOOHI REZA; RAHMANI ALI REZA; SAMADI MOHAMMAD TAGHI; GODINI KAZEM; SAMARGHANDI MOHAMMAD REZA

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Journal: Avicenna Journal of Environmental Health Engineering Year:2016 | Volume:3 | Issue:2 Page(s): 0-0

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Title

PERFORMANCE OF A PILOT-SCALE VERMIFILTER FOR THE TREATMENT OF A REAL HOSPITALWASTEWATER

Author(s)

Keywords

HOSPITALWASTEWATER

VERMIFILTRATION

EISENIA FETIDA

Abstract

In this study, the performance of a pilot-scale vermifilter (VF) for the treatment of hospital wastewater using the earthworm species EISENIA FETIDA was evaluated. The earthworms’ gut acts as a bioreactor and can ingest the wastewater solid and liquid organic wastes andexpel these as vermicompost. Apilot-scale vermifilterwasinstalledandoperated for 133 days inoneof hospitals in Hamadancity; the designed system was fed with the influent passed through coarse and fine grillage and the sedimentation tank of the hospital’s sanitary collection system. In order to study the efficiency of the system, the variations of pHvalue, chemical oxygen demand (COD), biochemical oxygen demand (BOD5), and total suspended solids (TSS) were measured. In addition, a conventional geofilter (GF) without Earthworm was used as the experimental control. The VERMIFILTRATION caused a significant decrease in the levels of COD (75%), BOD5 (93%), and TSS (89%) as well as neutralized pH in the wastewater. Also, these contents in the geofilter were observed to be 65%, 71%, and 71%, respectively. The VERMIFILTRATION technology can, therefore, be applied as an environmentally friendly method for hospital wastewater treatment.

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APA: Copy

GHOBADI, NAHID, SHOKOOHI, REZA, RAHMANI, ALI REZA, SAMADI, MOHAMMAD TAGHI, GODINI, KAZEM, & SAMARGHANDI, MOHAMMAD REZA. (2016). PERFORMANCE OF A PILOT-SCALE VERMIFILTER FOR THE TREATMENT OF A REAL HOSPITALWASTEWATER. AVICENNA JOURNAL OF ENVIRONMENTAL HEALTH ENGINEERING, 3(2), 0-0. SID. https://sid.ir/paper/348137/en

Vancouver: Copy

GHOBADI NAHID, SHOKOOHI REZA, RAHMANI ALI REZA, SAMADI MOHAMMAD TAGHI, GODINI KAZEM, SAMARGHANDI MOHAMMAD REZA. PERFORMANCE OF A PILOT-SCALE VERMIFILTER FOR THE TREATMENT OF A REAL HOSPITALWASTEWATER. AVICENNA JOURNAL OF ENVIRONMENTAL HEALTH ENGINEERING[Internet]. 2016;3(2):0-0. Available from: https://sid.ir/paper/348137/en

IEEE: Copy

NAHID GHOBADI, REZA SHOKOOHI, ALI REZA RAHMANI, MOHAMMAD TAGHI SAMADI, KAZEM GODINI, and MOHAMMAD REZA SAMARGHANDI, “PERFORMANCE OF A PILOT-SCALE VERMIFILTER FOR THE TREATMENT OF A REAL HOSPITALWASTEWATER,” AVICENNA JOURNAL OF ENVIRONMENTAL HEALTH ENGINEERING, vol. 3, no. 2, pp. 0–0, 2016, [Online]. Available: https://sid.ir/paper/348137/en

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