Morphological Distribution of Hexavalent Chromium in the Soils Contaminated by Chromite Ore Processing Residue from Qingdao Hongxing Chemical Plant

Author

Sun, Yingjie ; Song, Jing ; Zhou, Ruofan

Author_Institution

Inst. of Environ. & Municipal Eng., Qingdao Technol. Univ., Qingdao, China

Volume

3

fYear

2009

fDate

4-5 July 2009

Firstpage

594

Lastpage

597

Abstract

Soils polluted by Chromite Ore Processing Residue (COPR) was sampled as study objects. Modified BCR sequential extraction procedure was adopt to analysis the chemical speciation of hexavalent chromium in the soils from Qingdao Hongxing Chemical Plant. The results show that, more than 80% of the total hexavalent chromium is the weak acid extractive speciation, and the water soluble speciation hexavalent chromium is the main speciation of the total hexavalent chromium, which pose higher risks to environment. Based on the fact that main hexavalent chromium is in the water soluble speciation, water was suggested as soil washing/flushing agent.

Keywords

chemical industry; chromium; contamination; environmental engineering; industrial plants; soil pollution; BCR sequential extraction method; Cr; Qingdao Hongxing chemical plant; chromite ore processing residue; environment risks; hexavalent chromium; morphological distribution; soil contamination; soil pollution; water soluble speciation; Chemical analysis; Chemical elements; Chemical engineering; Chemical processes; Chemical technology; Chromium; Network address translation; Soil pollution; Sun; Water pollution; BCR Sequential Extraction Procedure; Chromite Ore Processing Residue (COPR); Contaminated Soil; Hexavalent Chromium; Morphological Distribution; Soil Washing/Flushing;

fLanguage

English

Publisher

ieee

Conference_Titel

Environmental Science and Information Application Technology, 2009. ESIAT 2009. International Conference on

Conference_Location

Wuhan

Print_ISBN

978-0-7695-3682-8

Type

conf

DOI

10.1109/ESIAT.2009.336

Filename

5199764