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KMID : 1024519990080020227
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Journal of the Environmental Sciences
1999 Volume.8 No. 2 p.227 ~ p.231
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A Study on recycling of waste concrete for PO₄[3-]-P removal contained in livestock wastewater
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Kim Eun-Ho
Park Jin-Sick
Sung Nak-Chang
Lee Young-Hyung
Shin Nam-Chul
Jun Gee-Il
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Abstract
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This study was conducted to investigate the removal characteristics of contained in livestock wastewater using waste concrete. With small particle size, increased dosage and temperature of water, was well removed by waste concrete. was removed by adsorption reaction in low pH of the primary phase, but the crystallization reaction predominated for increasing pH with passed time. As a result of adapting the adsorption isotherm equation, removal was more affected by the crystallization reaction than the adsorption reaction. In the SEM micrograph, there was no evident change on the waste concreter surface. Particle size was plate-phase before reaction but appeared a dense form to progress in the crystallization reaction.
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KEYWORD
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PO₄[3-] adsorption, livestock wastewater, waste concrete, recycling
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