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Study of Coagulant Development and the Characteristics for the Treatment of Tire Remanufacturing Wastewater

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Abstract:

This study was conducted to test the performance of various combinations of coagulants for effective wastewater treatment of the tire recycling industry. From the Jar-test results, two kinds of coagulants, namely AlSi-1 and PASi-1, were found to be effective in decreasing BOD and CODCr values from the polluted wastewater among various combinations of coagulants. In comparison to Al-based or Si-based singular salts, the Si-Al combined salts (PASi-1) exhibited a higher removal efficiency of 90% turbidity, 93% SS, 70∼85% BOD5 and 85∼91% CODCr at 15± 2°C, pH7.5∼9.5 and 2.0mM of coagulant dosage. At 30±2°C of tire recycling effluents, the combination effect was clearly shown in the removal of CODCr over a wider range of pH. The reaction mechanisms of AlSi-1 and PASi-1 were also schematically studied.

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Info:

Periodical:

Key Engineering Materials (Volumes 277-279)

Pages:

510-516

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.277-279.510

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Online since:

January 2005

Authors:

Eun Sun Yoo, In Mo Yoon

Keywords:

BOD, CODCr, Combined Effect, Si-Al Based Coagulant, SS Value, Tire Recycling Wastewater

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© 2005 Trans Tech Publications Ltd. All Rights Reserved

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