Funding for this research was provided by:
the State Key Laboratory of Pollution Control and Resource Reuse Foundation (PCRRF17029)
National Natural Science Foundation of China (21471114)
the State Major Research Plan (973) of China (2011CB932404)
Article History
Received: 11 August 2018
Accepted: 4 September 2018
First Online: 14 September 2018
Compliance with ethical standards
:
: The authors declared that they have no conflicts of interest to this work. We declare that we have no financial and personal relationships with other people or organizations that can inappropriately influence our work, and there is no professional or other personal interest of any nature or kind in any product, service and/or company that could be construed as influencing the position presented in, or the review of, the manuscript entitled.