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Zaštita materijala

Article . 2013

Data sources: SCIndeks - Serbian Citation Index

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Recycling of nickel based hazardous waste from the plant oils industry

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 2013 Serbian Journal:Zaštita materijala (issn: 0351-9465,

Authors: Matković, Vladislav; Sokić, Miroslav; Marković, Branislav;

Recycling of nickel based hazardous waste from the plant oils industry

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Abstract

The results obtained during the recycling of spent nickel based catalysts that generate in the oil hydrogenation process are presented. Nickel based catalysts are used for selective hydrogenation of the highly active plants oils. The used catalysts are classified in the H11 category of hazardous materials; they are deposited on the site and are potentially dangerous to the environment. Laboratory experimental research defined optimal conditions (temperature, time and solid-liquid ratio) and technological process of catalysts recycling. Hazardous waste is being converted to the category of non-hazardous, and extracted nickel as nickel-sulphate represents commercial product. The degree of recovery of nickel is higher than 95%.

Keywords

nickel recycling, hazardous waste, used catalysts

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