Carbide sludge management in acetylene producing plants by using vacuum filtration

Ramasamy, P. and Ibrahim, S. and Agamuthu, P. (2002) Carbide sludge management in acetylene producing plants by using vacuum filtration. Waste Management & Research, 20 (6). pp. 536-540. ISSN 0734-242X

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Abstract

Carbide sludge (10.4-11.5 tonnes day -1) is generated from the reaction of calcium carbide (900 kg) and water (6,000 L) in the production of acetylene (2400 m 3), in three selected acetylene manufacturing plants. The sludge (of pH 12.2 and containing Cu, Ph, Fe, Mn, Ni and Zn ions whose concentrations exceed the Department of Environment limits for industrial wastewater) was treated by vacuum filtration as a substitute for the ponding system, which is environmentally less acceptable. A similar system by flocculation was also developed. The filtration system represents an improvement over the ponding method, as shown by a pH of 7 for the clear filtrate; the solid cake, which contains 98% of the metals, can be conveniently disposed at an integrated scheduled waste treatment centre.

Item Type: Article
Additional Information: Institute of Biological Sciences, Faculty of Science Building, University of Malaya, 50603 Kuala Lumpur, MALAYSIA
Uncontrolled Keywords: Carbide sludge; Metal; Vacuum filtration; Waste audit; Water reuse; wmr 363-4; Calcium carbide; Filtration; Flocculation; Sludge disposal; Waste treatment; Carbide sludge management; Acetylene; Calcium derivative; Carbide calcium; Copper ion; Iron; Lead; Manganese; Nickel; Unclassified drug; Water; Zinc ion; Sludge; Vacuum filter; Wastewater treatment; Article; Chemical composition; Chemical industry; Chemical reaction; Controlled study; Industrial sludge; Methodology; pH; Priority journal; Reference value; Sludge treatment; Vacuum; Waste disposal; Fluid; Waste water; Waste water treatment plant; Hydrogen-Ion Concentration; Industrial Waste; Metals; Heavy Waste Disposal; Fluid Water Purification
Subjects: Q Science > QH Natural history > QH301 Biology
Divisions: Faculty of Science > Institute of Biological Sciences
Depositing User: Miss Malisa Diana
Date Deposited: 07 Mar 2013 02:51
Last Modified: 03 Jul 2017 06:43
URI: http://eprints.um.edu.my/id/eprint/5025

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