SINOPEC Research Institute of Safety Engineering;
Qingdao;
266000;
Department of Environmental and Safety Engineering;
China University of Petroleum (East China);
266580;
Qingdao Oasis Environmental & Safety Technology Co.;
Ltd.;
Qingdao;
266555;
Center for Safety;
Environmental & Energy Conservation Technology;
China University of Petroleum (East China);
Qingdao;
266555;
Shandong Provincial Key Laboratory of Water Pollution Control and Resource Reuse;
School of Environmental Science and Engineering;
Shandong University;
Qingdao;
266237;
acceleration; of; start-up; biofilter; inocula; packing; material;