The preparation method of the ceramic fiber furnish composite paper reduces the displacement, the wastewater treatment cost, the manufacture cost and the environment pollution.

Semibleached alkaline sulfite-anthraquinone larch pulp(AS-AQ)is used as a substitute for the mixed long fiber pulp of NBKP and NBSP in newsprint furnish.

Effects of fiber raw material, furnish and papermaking process on the properties of oil filter paper are discussed in this paper.