| abstract |
The invention discloses a kind of preparation methods of porous bio-ceramic, belong to technical field of biological materials.By powdered rice hulls, peanut shell powder, solution of ferrous chloride, shaddock ped, biogas slurry, kaolin, water mixing, fermentation obtains fermentation slurry；Above-mentioned gained fermentation slurry is evenly laid out in plastic trough, then earthworm is added to plastic trough, plastic trough is moved into greenhouse and is cultivated, after cultivation, wormcast is collected, dry, pulverize, sieving is to get pretreatment powder；By starch and phosphatide mixing and ball milling, sodium hydroxide solution is added dropwise and adjusts pH, obtains ball milling mixing liquid；It will pre-process powder, and carbonize varec, saltcake, ball milling mixing liquid, Fluorinse, binder and modified meerschaum be stirred, compression molding, gradient increased temperature, sintering, gradient cooling, and calcining cools down to get porous bio-ceramic.Porous bio-ceramic prepared by technical solution of the present invention has the characteristics that excellent porosity and mechanical property. |