When biological filter tank is used to treat sanitary wastewater,COD in effluent can satisfy Class I of the discharge standard for urban wastewater treatment plant.

Effects of biofilter media and operating parameters on biofiltration of odor from chicken manure composting;

Effect of odor removal by immobilized engineering bacteria biofilter;

Review on Treatment of Benzene Compounds by Biofilter;

In this paper, the new development of nitrogen and phosphorus removal by bio-filter in home and abroad is summarized.

With membrane filtration method,this paper had investigated the removal effects of a bio-filter and conventional water treatment processes on different molecular weights organics in polluted surface water.

Deeply treatment of effluent water from urban wastewater treatment plant by biocontact oxidation-zeolite biological filter combined process;

Filtration Technology Study of Biological Filter of the New Type of AC Media;

A pilot test of low-concentration wastewater in ethylene production treated by coupling isolated-aeration biological filter and ozonization was conducted.

The process and the principle and development of the biofilter, biotrickling filter and bioscubber which were three major types of bio-treatment of volatile organic compounds were summarized.

Study of Microbial Ecology in Biotrickling Filter Used to Treat Waste Air Containing Toluene;

Studies on treatment of waste gas containing dichloromethane using biotrickling filter.;

Behavior model of volatile organic compounds in biotrickling filter;