A method of reducing hazardous emissions during firing, and particularly a method of reducing fluoride emissions during firing of bricks. The method comprises adding to the material to be fired a substance which is apatitic or phosphatic, and particularly calcium hydroxyapatite.
申请公布号
WO9712842(A1)
申请公布日期
1997.04.10
申请号
WO1996GB02386
申请日期
1996.09.27
申请人
JESSE SHIRLEY & SON LIMITED;BRATT, JOHN, STEPHEN;COOPER, JOHN, JOSEPH
