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Membrane Water Treatment
  Volume 4, Number 4, October 2013, pages 265-275

Stable isotope and water quality analysis of coal bed methane produced water in the southern Qinshui Basin, China
Jienan Pan, Xiaomin Zhang, Yiwen Ju, Yanqing Zhao

    China is one of the countries with the highest reserves of coal bed methane (CBM) in the world. Likewise, the CBM industry is significantly growing in China. However, activities related to CBM development have led to more environmental problems, which include serious environmental damage and pollution caused by CBM-produced water. In this paper, the detailed characteristics of CBM-produced water in the southern Qinshui Basin were investigated and analyzed and compared with local surface water and coal mine drainage. Most of CBM-produced water samples are contaminated by higher concentration of total dissolved solids (TDS), K (Potassium), Na (Sodium) and NH4. The alkalinity of the water from coalmines and CBM production was higher than that of the local surface water. The concentrations of some trace elements such as P (Phosphorus), Ti (Titanium), V (Vanadium), Cr (Chromium), Ni (Nickel), Zn (Zinc), Ge (Germanium), As (Arsenic), Rb (Rubidium), and Pd (Palladium) in water from the coalmines and CBM production are higher than the acceptable standard limits. The
Key Words
    coal bed methane; produced water; stable isotope; geochemical characteristics; Qinshui Basin
(1) Jienan Pan, Xiaomin Zhang, Yanqing Zhao and Heling Bai: School of Resources & Environment, Henan Polytechnic University, Jiaozuo 454000, China;
(2) Yiwen Ju: College of Earth Sciences, University of Chinese Academy of Sciences, Beijing 100049, China;
(3) Jienan Pan and Yiwen Ju: Key Lab of Computational Geodynamics, Chinese Academy of Sciences, Beijing 100049, China.

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