Porous silica ceramics were obtained at low forming pressure and low sintering temperature
by using diatomaceous earth as a silica source and boric acid as an inexpensive additive …

Intention of this work was to obtain porous silicon dioxide ceramics by using boric acid as an
inexpensive additive at low forming pressure and low sintering temperature. Starting raw …

Porous silica ceramics were obtained at low forming pressure (40–80 MPa) and low
sintering temperature (850–1300° C) for 4 h in air. Boric acid was used as a low-cost …

High apparent porosity ceramics have a wide range of applications in chemical,
environmental, and automotive sectors as reactors, absorbers, and cleaning devices due to …

286 the final products. The porosity properties of the resultant ceramics were investigated by
mercury porosimetry and scanning electron microscopy; furthermore, the three-point …

Porous alumina ceramics with different porosity were fabricated by combining the starch
consolidation process with the gel-casting process using corn starch as a pore-forming …

This study presents an investigation of the purification of a raw diatomite by acid leaching
conducted in hot solution (75° C and 5 M HCl) for long periods up to 240 h, evaluates the …

Porous ceramicsupports were elaborated from natural kaolino-illitic clay, before and after
acid activation, using uniaxial dry pressing method. The prepared supports were sintered at …

Diatomite powder, a naturally occurring porous raw material, was used to fabricate ceramic
materials with bimodal porosity and high strength. The effect of the sintering temperature on …

This investigation demonstrates the feasibility of using diatomite and coal fly ash as
alternative raw materials in the production of the porous ceramics. The following operating …