| abstract |
A kind of white clay recycling method of comprehensive utilization is directly mixed with papermaking recycling white clay using strong acid weak base salt, obtains the white clay powder of removal however, residual base after dry and ball milling.The powder prepares rubber or plastic composite as filler, can not only reduce the production cost of composite material, but also can improve product properties.The present invention directly uses the however, residual base of strong acid weak base salt removal white clay, instead of acid stronger inorganic acid and high-cost organic acid, can promote the whiteness of white clay, simplify treatment process, save processing cost, have good Social benefit and economic benefit. |