摘要:
Disclosed herein is a ceramic body comprising at least one phase comprising a pseudobrookite-type crystal structure and at least one phase comprising zirconium tin titanate. Also disclosed are porous ceramic honeycomb structures comprising a ceramic body comprising at least one phase comprising a pseudobrookite-type crystal structure and at least one phase comprising zirconium tin titanate and methods of preparing a ceramic body comprising at least one phase comprising a pseudobrookite-type crystal structure and at least one phase comprising zirconium tin titanate.
摘要:
Disclosed herein is a ceramic body comprising at least one phase comprising a pseudobrookite-type crystal structure and at least one phase comprising zirconium tin titanate. Also disclosed are porous ceramic honeycomb structures comprising a ceramic body comprising at least one phase comprising a pseudobrookite-type crystal structure and at least one phase comprising zirconium tin titanate and methods of preparing a ceramic body comprising at least one phase comprising a pseudobrookite-type crystal structure and at least one phase comprising zirconium tin titanate.
摘要:
A method for processing fines materials generated as a by-product from the screening and washing of sand and gravel includes the steps of drying, pelletising and firing the fines materials to produce a ceramic material in the form of porous pellets which have enhanced properties for the removal of phosphorus and pathogens from wastewater.
摘要:
A fired spinel complex oxide is produced by firing a mixture containing a slag by-produced in chromium refining, a reducer, and a silica-containing material, and is essentially composed of: 29 to 40 percent by weight of Fe2O3; 15 to 20 percent by weight of Al2O3; 9 to 14 percent by weight of MgO; 0 to 4 percent by weight of Na2O; 9 to 17 percent by weight of Cr2O3; 14 to 20 percent by weight of SiO2; and 2 percent by weight or less of CaO. The fired spinel complex oxide shows a CunullKnull X-ray diffraction pattern in which the ratio (b/a) of the diffraction peak intensity of the silica-containing material (b) in the vicinity of 2nullnull26.7null to the null113null plane diffraction peak intensity (a) in the vicinity of 2nullnull36null is 0.1 or less.
摘要翻译:烧制的尖晶石复合氧化物通过在铬精炼,还原剂和含二氧化硅的材料中烧成含有渣的混合物来制造,并且基本上由以下组成:29〜40重量%的Fe 2 O 3; 15〜20重量%的Al 2 O 3; 9〜14重量%的MgO; 0至4重量%的Na 2 O; 9〜17重量%的Cr 2 O 3; 14〜20重量%的SiO 2; 和2重量%以下的CaO。 烧成的尖晶石复合氧化物显示Cu-Kalpha X射线衍射图,其中二氧化硅的材料(b)的衍射峰强度在2θ= 26.7°附近与{113的比率(b / a) 在2θ= 36°附近的平面衍射峰强度(a)为0.1以下。
摘要:
A method for forming particles having a ridge portion includes inducing flow of a slurry of particles and a reactant through one or more orifices, detaching an amount of the slurry from the slurry flow following exit from the one or more orifices, the detached amount forming a slurry body, forming the slurry body into a particle shape, contacting the particle shaped slurry body with a coagulation solution to form a stabilized particle having the ridge portion, and drying and/or sintering the particle having the ridge portion.
摘要:
A method for making a building product from products of firing a clay-containing material and products of processing a lime-releasing material. The method comprises firing at least a clay-containing material up to at least beginning of its sinter, obtaining a molding mix comprising lime and products of firing a clay-containing material, molding a body of building product from the mix, and treating the body in a humid medium or in a medium containing water vapor. The products of firing a clay-containing material include a mixture of first and second portions that have been heated to respective first and second temperatures that are different from one another, the two different temperatures being within the temperature range from a temperature of beginning of dehydration to at least a temperature of sinter of clay, so that the products of firing comprise both products of dehydration and products of amorphization of clay.
摘要:
In a method of manufacturing sintered dolomite having raw densities exceeding about 3.0 grams per cubic centimeter in a shaft kiln from ground raw dolomite briquetted or pelletized into shaped bodies, the steps include deacidifying and heating the shaped bodies to a temperature of at least 1000.degree. C. in an upper region of the shaft kiln in a preheating and deacidifying zone heated with fuels of a low thermal content, thereafter sintering the shaped bodies in a lower sintering zone heated with fuels of high thermal content, so as to heat the shaped bodies to a temperature of about 1600.degree. C. to about 2000.degree. C., and subsequently passing the sintered bodies into a lower cooling zone, cooling the bodies therein, and, thereafter, discharging the sintered bodies from the shaft kiln.
摘要:
A method for forming particles having a ridge portion includes inducing flow of a slurry of particles and a reactant through one or more orifices, detaching an amount of the slurry from the slurry flow following exit from the one or more orifices, the detached amount forming a slurry body, forming the slurry body into a particle shape, contacting the particle shaped slurry body with a coagulation solution to form a stabilized particle having the ridge portion, and drying and/or sintering the particle having the ridge portion.
摘要:
Disclosed herein is a ceramic body comprising at least one phase comprising a pseudobrookite-type crystal structure and at least one phase comprising zirconium tin titanate. Also disclosed are porous ceramic honeycomb structures comprising a ceramic body comprising at least one phase comprising a pseudobrookite-type crystal structure and at least one phase comprising zirconium tin titanate and methods of preparing a ceramic body comprising at least one phase comprising a pseudobrookite-type crystal structure and at least one phase comprising zirconium tin titanate.
摘要:
A refractory material used in refractory furnace liners, combustion chambers, baffles and artificial fire logs includes alumina silicate; an additive comprising at least one of silicon carbide, silicon nitride, boron carbide, boron nitride and silicon carbo-nitride; and a binder. The refractory material is light weight, has a high noise reduction capacity, is fire resistant and has a reduced silica content. In a most preferred embodiment, the additive makes up 50.0% to 55.0% of the material by weight, the binder makes up 4.5% to 5.0% of the material by weight and the linear shrinkage of the material is no greater than 3.5% at 2600° F. A preferred binder is colloidal silica although many others are suitable. Preferably, the material is free of cellulose fiber and sodium silicate.