Though brief the constitution of more medium filter,expound the technique of re wash,comprehensively analysis the cause of the error,and adopt correspond to measure.

A comparison of the performance of synthetic and glass Ashrae filtration media;

Spunlaced nonwovens-advantageous alternative for filtration media;

The structure characteristics,working mechanisms and production technology of several typical new-type filtration media and materials were introduced in detail,and their advantages and application fields were analyzed also.

Cellulose fibers-cost efficient component in filter media;

Innovative filter media for indoor air filtration;

The filter media treated by plasma technique could be used for air and liquid filtration,including air filtration for automobile,diesel oil filtration and blood filtration.