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Title:
STABILIZING AGENT FOR TREATING CHROMIUM CONTAMINATED SOIL AND APPLICATION THEREOF
Document Type and Number:
WIPO Patent Application WO/2017/173737
Kind Code:
A1
Abstract:
A stabilizing agent for treating chromium contaminated soil and an application thereof, the stabilizing agent comprises a crystal-volume expanding agent, a precipitating agent, a flocculating agent and a pH regulator, wherein the crystal-volume expanding agent is one of cement or clay materials or a combination thereof; the precipitating agent is one of sulfide, polysulfide, sulfite or pyrosulfite or a combination thereof, said agents can remarkably reduce the leaching concentration of chromium in the soil without damaging the property of the soil.

Inventors:
LI, Shucai (BGE Building, No.9 Dijin RoadHaidian District, Beijing 5, 100095, CN)
LV, Zhengyong (BGE Building, No.9 Dijin RoadHaidian District, Beijing 5, 100095, CN)
WEI, Li (BGE Building, No.9 Dijin RoadHaidian District, Beijing 5, 100095, CN)
FENG, Guojie (BGE Building, No.9 Dijin RoadHaidian District, Beijing 5, 100095, CN)
MIAO, Zhu (BGE Building, No.9 Dijin RoadHaidian District, Beijing 5, 100095, CN)
ZHU, Hudi (BGE Building, No.9 Dijin RoadHaidian District, Beijing 5, 100095, CN)
FAN, Jiqiang (BGE Building, No.9 Dijin RoadHaidian District, Beijing 5, 100095, CN)
ZHEN, Shengli (BGE Building, No.9 Dijin RoadHaidian District, Beijing 5, 100095, CN)
LIU, Zhongliang (BGE Building, No.9 Dijin RoadHaidian District, Beijing 5, 100095, CN)
Application Number:
CN2016/087207
Publication Date:
October 12, 2017
Filing Date:
June 27, 2016
Export Citation:
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Assignee:
BEIJING GEOENVIRON ENGINEERING & TECHNOLOGY, INC (BGE Building, No.9 Dijin RoadHaidian District, Beijing 5, 100095, CN)
International Classes:
B09C1/08; C09K17/08; C09K17/40
Attorney, Agent or Firm:
BEIJING HUIZE INTELLECTUAL PROPERTY LAW LLC (ZHANG, JinA18, Horizon International Tower,No.6, Zhichun Road, Haidian District, Beijing 8, 100088, CN)
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