ScienceAsia 42(2016): 367-374 |doi:
Heavy metal contaminated soil bioremediation via vermicomposting with spent mushroom compost
Sim Cheng-Kima, Azizi Abu Bakara,b, Noor Zalina Mahmooda,b,*, Noorlidah Abdullaha,b
ABSTRACT: The present work focuses on the use of Lumbricus rubellus to remediate leachate-contaminated soil containing heavy metals such as Cu, Mn, Pb, Fe, Cr, Ni, Zn, and As. Three types of treatment were carried out consisting of spent mushroom compost and organic soil in a 2:1 ratio (T1), cow dung and organic soil in a 2:1 ratio (T2), and organic soil (T3) with 30 clitelated earthworms in the respective treatments. The vermiremediation took 90 days to complete. At the end of the experiment, T1 provided the greatest reduction (50%) in the concentration of all heavy metal elements. This result reveals that vermiremediation is a suitable technology to remove heavy metals from soil.
||Institute of Biological Sciences, Faculty of Science, University of Malaya, 50603 Kuala Lumpur, Malaysia
||Mushroom Research Centre, Faculty of Science, University of Malaya, 50603 Kuala Lumpur, Malaysia
* Corresponding author, E-mail: firstname.lastname@example.org
Received 24 Jun 2015, Accepted 8 Dec 2016