Immobilization of heavy metals in tannery sludge by the formation of tobermorite in subcritical water treatment with rice husk silica

Author:

Akter Ayesha12,Goto Masafumi1,Megat Mohd Noor Megat Johari1,Parvez Ahmed3,Khanam Shamsunnahar4,Bakar Siddique Md. Abu5ORCID,Hossain Md Faysal6,Kormoker Tapos2ORCID

Affiliation:

1. Malaysia Japan International Institute of Technology, Universiti Teknologi Malaysia KL Campus, Jalan Sultan Yahya Petra 54100, Kuala Lumpur, Malaysia

2. Department of Emergency Management, Faculty of Environmental Science and Disaster Management, Patuakhali Science and Technology University, Dumki, Patuakhali-8602, Bangladesh

3. Department of Environmental Science, Faculty of Environmental Science and Disaster Management, Patuakhali Science and Technology University, Dumki, Patuakhali-8602, Bangladesh

4. Department of Environmental Science, Bangladesh University of Professionals, Dhaka, Bangladesh

5. Institute of National Analytical Research and Service (INARS), Bangladesh Council of Scientific and Industrial Research (BCSIR), Dhanmondi, Dhaka 1205, Bangladesh

6. State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, East China University of Science and Technology, No. 130, Meilong Road, Shanghai, 200237, China

Abstract

Successful tannery sludge amendment with rice husk silica formed tobermorite under subcritical water (SCW) treatment conditions can effectively immobilize HMs reducing their environmental toxicity.

Publisher

Royal Society of Chemistry (RSC)

Subject

General Chemical Engineering,General Chemistry

Reference35 articles.

1. P. P.Pathe , T.Nandy and S. N.Kaul , Properties of chromium sludge from chrome tan wastewater , in Wastewater Management with Special Reference to Tanneries , ed. S. N. Kaul , T. Nandy , L. Szpyrkowitz , A. Gautam and D. R. Khanna , Discovery Publishing House , New Delhi . , 2005 , pp. 342–346

2. Inhibition of Cr(III) oxidation during thermal treatment of simulated tannery sludge: The role of phosphate

3. Pre-treatment of tannery sludge for sustainable landfilling

4. Influence of ozonation process on characteristics of pre-alkalized tannery effluents

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