Biostabilization of Tannery Sludge Compost by Vermicomposting

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dc.contributor.authorKaman, Yiğit Nevzat
dc.contributor.authorOkur, Nur
dc.contributor.authorKayıkçıoğlu, Hüseyin Hüsnü
dc.contributor.departmentOthertr_TR
dc.contributor.facultyOthertr_TR
dc.date.accessioned2022-09-13T07:46:06Z
dc.date.available2022-09-13T07:46:06Z
dc.date.issued2022
dc.description.abstractThe aim of this study is to investigate the stabilization of tannery sludge compost mixed with cattle manure at the different ratios by employing an epigeic earthworm Eisenia foetida and bioaccumulation of Cr in tannery sludge by earthworms. Organic cattle manure (M) and sludge compost (S) were mixed in certain proportions, moistened and Eisenia foetida worms were added. Mixing ratios were as follows: 100% M (M100S0), 70% M + 30% S (M70S30), 50% M + 50% S (M50S50) and 30% M + 70% S (M30S70). The experiment was carried out at a constant temperature of 24 oC and in a dark environment according to a randomized plot design with three replicates. The experiment ended after 120 days and the following parameters were evaluated in vermicomposts: pH, electrical conductivity (EC), total nitrogen (TN), total organic carbon (TOC), C:N ratio, and total macro and micro elements. In addition, it was determined total Cr, Cr (VI) in vermicomposts and total Cr in E. foetida body. The results for TOC, C:N ratio and total Cr showed decreases in their values at the end of the vermicomposting process, whereas values for pH, EC, TON, Ca, and Mg increase, indicating that the vermicomposting reached the maturity level. All values of Cr (VI) of vermicomposts were below the detectable level. During the vermicomposting process, the reduction rates of the total Cr amounts were 96% (M70S30), 96% (M50S50) and 30% (M30S70), respectively. While the highest total Cr amount in the earthworm body was determined in M30S70 treatment, the amount of this element in the earthworm body decreased due to the decreasing doses of tannery sludge compost. These results show that E. foetida can bioacumulate the chromium in tannery sludge compost. As a result, it was determined that vermicomposting can be an alternate technology for the recycling and environmentally safe disposal/management of tannery sludge compost using an epigeic earthworm E. foetida.tr_TR
dc.description.indexWostr_TR
dc.description.indexScopustr_TR
dc.identifier.endpage480tr_TR
dc.identifier.issn/e-issn2148-9297
dc.identifier.issue3tr_TR
dc.identifier.startpage473tr_TR
dc.identifier.urihttps://doi.org/10.15832/ankutbd.912938tr_TR
dc.identifier.urihttp://hdl.handle.net/20.500.12575/83960
dc.identifier.volume28tr_TR
dc.language.isoentr_TR
dc.publisherAnkara Üniversitesitr_TR
dc.relation.isversionof10.15832/ankutbd.912938tr_TR
dc.relation.journalAnkara Üniversitesi Ziraat Fakültesi Tarım Bilimleri Dergisitr_TR
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Başka Kurum Yazarıtr_TR
dc.subjectChemical propertiestr_TR
dc.subjectEisenia foetidatr_TR
dc.titleBiostabilization of Tannery Sludge Compost by Vermicompostingtr_TR
dc.typeArticletr_TR

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Cilt:28 Sayı:03 (2022)