Solubility and adsorption characteristics of Pb in leachate from MSW incinerator bottom ash-Reference-Cited by-同舟云学术

Solubility and adsorption characteristics of Pb in leachate from MSW incinerator bottom ash

Published:2002-08 Issue:4 Volume:20 Page:373-381
ISSN:0734-242X
Container-title:Waste Management & Research: The Journal for a Sustainable Circular Economy
language:en
Short-container-title:Waste Manag Res

Author:

Kim Sang-Yul¹,Tanaka Nobutoshi²,Matsuto Toshihiko²

Affiliation:

1. Laboratory of Solid Waste Disposal Engineering, Graduate School of Engineering, Hokkaido University, Kita 13 Nishi 8, Kita-Ku, Sapporo, Hokkaido, Japan,

2. Laboratory of Solid Waste Disposal Engineering, Graduate School of Engineering, Hokkaido University, Kita 13 Nishi 8, Kita-Ku, Sapporo, Hokkaido, Japan

Abstract

The solubility and adsorption characteristics of Pb in leachate from municipal solid waste incineration (MSWI) bottom ash was studied by batch experiments. The solubility of Pb in leachate was 1-2 orders of magnitude lower than that of Pb in carbonate solutions. Adsorption experiments showed bottom ash have high adsorption capacity for Pb. To evaluate a controlling component in bottom ash, quartz, Al and Fe powder as well as their ions were examined over wide ranges of pH at 25°C. The results showed that only Fe powder had high adsorption capacities for Pb, indicating that iron oxides in bottom ash would be one major adsorbent for Pb. Adsorption diagram, constructed by using the data of adsorption experiments, fitted the experimental data of Pb in leachate very well. It suggests that the decrease of Pb solubility in leachate is mainly due to adsorption reaction.

Publisher

SAGE Publications

Subject

Pollution,Environmental Engineering

Link

http://journals.sagepub.com/doi/pdf/10.1177/0734247X0202000409

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3. Adsorption of Pb and Cd onto metal oxides and organic material in natural surface coatings as determined by selective extractions: new evidence for the importance of Mn and Fe oxides

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