Cocomposting with and without Eisenia fetida for conversion of toxic paper mill sludge to a soil conditioner

Bioresource Technology
A KaurP J Rup

Abstract

Present study was envisaged for fast bioremediation of toxic paper mill sludge into a soil ameliorating agent. Although a rich source of organic carbon this sludge cannot be directly applied in fields and is recycled very slowly in landfills as it is deficient in other nutrients. Therefore it was mixed with cattle dung in various proportions and subjected to aerobic cocomposting (without worms) and vermicocomposting (with Eisenia fetida). It was observed that mixing cattle dung with the sludge improved physico-chemical characteristics (with transition metals in the permissible range for manures) of the products of both the processes and enhanced its acceptability for worms. Higher decline in organic carbon and higher content of nitrogen and phosphorous along with lower electrical conductivity and higher pH of the products of vermicomposting indicated that E. fetida helped in fast conversion of toxic paper mill sludge into a soil conditioner in 100days.

Citations

Mar 29, 2014·Environmental Science and Pollution Research International·Sartaj Ahmad BhatAdarsh Pal Vig
Aug 13, 2014·Applied Biochemistry and Biotechnology·Jaswinder SinghAdarsh Pal Vig
Sep 13, 2014·Ecotoxicology and Environmental Safety·Surindra SutharKapil Kumar
Feb 28, 2016·Bioresource Technology·Ales Hanc, Marketa Dreslova
Jan 13, 2016·Environmental Science and Pollution Research International·Dan XieLin Bai
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Jul 5, 2011·Journal of the Science of Food and Agriculture·Pei Nie LimSu Lin Lim
Mar 30, 2016·Environmental Science and Pollution Research International·Anoop Yadav, V K Garg
Mar 22, 2015·Environmental Science and Pollution Research International·Sartaj Ahmad BhatAdarsh Pal Vig
Dec 1, 2012·Bioresource Technology·Renu Negi, Surindra Suthar
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Apr 4, 2017·Journal of Environmental Management·Aline Sueli de Lima RodriguesGuilherme Malafaia
Oct 21, 2019·Environmental Science and Pollution Research International·Manveen Arora, Arvinder Kaur
Feb 14, 2021·The Science of the Total Environment·Muhammad Mahroz HussainHua Zhang
Mar 19, 2021·Heliyon·Kasahun GudetaAmita Kumari
Apr 28, 2021·Environmental Science and Pollution Research International·Bhawana SohalAdarsh Pal Vig

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