1. Guangdong
Key Laboratory of Agricultural Environment Pollution Integrated Control, Guangdong Institute of Eco-Environmental and Soil Sciences, Guangzhou 510650, P. R. China
2. Department
of Civil Engineering, The University of Hong Kong, Pokfulam, Hong Kong SAR
3. State
Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550009, P. R. China
4. Department of Civil & Environmental Engineering, The Hong Kong Polytechnic University, Hong Kong SAR, P. R. China
5. Immobilisation
Science Laboratory, Department of Materials Science and Engineering, The University of Sheffield, Sheffield S1 3JD, U.K.