Detoxification of textile effluent by fungal treatment and its performance in agronomic usages
Globally, scarcity of contaminant free water usages is increasing gradually; it might be solved after generation of any sustainable technology to detoxify contaminated waters. An attempt was undertaken to detoxify textile effluent with fungal strains Trichoderma harzianum and Mucor hiemalis. Fungal detoxified effluent and its performance on three crops (wheat, mungbean, and mustard) seed germination in petri dishes and seedlings establishment of mustard in polythene bag were evaluated. Fungal strains significantly detoxified textile effluent by removal of 76% total solids, 91.35% COD, 77.34% absorbance against optical density, and increased 87.31% DO. Studied heavy metals were reduced significantly (P ≤ 0.05) in treated effluent by both fungal strains but superior performance was achieved by Mucor hiemalis. Maximum 92.5, 88.7, 83, and 100% removal of Mn, Zn, Cu, and Fe were monitored in fungal-treated effluent, respectively. Seeds germination and seedling growth by fungal treated effluents were similar and insignificant with the results achieved in tap water but which was significant over raw textile effluent. Eighty and above percent seed germination in petri dishes was recorded at 48 h by Mucor hiemalis-treated textile effluent but conversely at the same period it was below 10% in raw effluent. Significant achievement of seedling establishment was noticed in poly bag with fungal-treated effluent. The applied technique might be a prospective way to detoxify and recycle the industrial effluents for beneficial purpose in the future.
KeywordsBiodetoxification Trichoderma harzianum Mucor hiemalis Seed germination Textile effluent Heavy metal
The necessary assistance for research activities by laboratories of Soil Science and Plant Pathology of BSMRAU are greatly acknowledged.
Financial support was delivered by RMC of Bangabandhu Sheikh Mujibur Rahman Agricultural University (BSMRAU), Gazipur-1706, Bangladesh and the grant number was Code No. SL-25A(21), 33006366. The necessary assistance for research activities by laboratories of Soil Science and Plant Pathology of BSMRAU are greatly acknowledged.
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