Abstract

Biological material was prepared by adhering different amount of bamboo charcoal filler into the matrix of polyvinyl formal foam by manual controlled foaming process. The material bears properties of low density, high strength, and good adsorption ability from the advantage of polyvinyl formal. It can be used as new efficient biological supporting material in sewage disposal system. The effects of hydrochloric acid, formaldehyde, bamboo charcoal, and temperature on the preparation were investigated.

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