摘要:
A molded solid fuel comprises a carbonaceous fuel material, a desulfurizing agent, and K.sub.2 CO.sub.3 and is effective to emit a reduced amount of sulfur when burned.
摘要翻译:成型的固体燃料包括碳质燃料材料,脱硫剂和K 2 CO 3,并且在燃烧时有效地排放少量的硫。
摘要:
A low melting, opaque enamel frit is described, which comprises 30 to 36 wt. % of SiO.sub.2, 15 to 20 wt. % of B.sub.2 O.sub.3, 7 to 9 wt. % of Na.sub.2 O, 5 to 10 wt. % of ZrO.sub.2, 10 to 17 wt. % of TiO.sub.2, 7 to 15 wt. % of K.sub.2 O, 2 to 10 wt. % of F.sub.2 and 0.5 to 2.5 wt. % of P.sub.2 O.sub.5. The total of Na.sub.2 O and K.sub.2 O is in the range of 15 to 20 wt. % and the total of TiO.sub.2 and ZrO.sub.2 is in the range of 15 to 20 wt. %. The ZrO.sub.2 /(TiO.sub.2 +ZrO.sub.2) ratio is in the range of 0.25 to 0.5:1 and the SiO.sub.2 /B.sub.2 O.sub.3 ratio is in the range of 1.5 to 2.4:1. In addition, the Na.sub.2 O/K.sub.2 O ratio is in the range of 0.6 to 1.0:1 and the (Na.sub.2 O+K.sub.2 O)/(TiO.sub.2 +ZrO.sub.2) is in the range of 0.7 to 1.2:1.
摘要翻译:描述了低熔点不透明的釉质玻璃料,其包含30至36重量% 的SiO 2%,15〜20wt。 B2O3%,7〜9wt。 %的Na 2 O,5〜10wt。 %的ZrO 2,10〜17wt。 %的TiO 2,7〜15wt。 %的K2O,2〜10wt。 F2的比例为0.5〜2.5wt。 %的P2O5。 Na 2 O和K 2 O的总量在15至20重量%的范围内。 %,TiO 2和ZrO 2的总量在15〜20重量%的范围内。 %。 ZrO 2 /(TiO 2 + ZrO 2)的比例在0.25〜0.5:1的范围内,SiO 2 / B 2 O 3的比例在1.5〜2.4:1的范围内。 另外,Na 2 O / K 2 O比在0.6〜1.0:1的范围内,(Na2O + K2O)/(TiO2 + ZrO2)在0.7〜1.2:1的范围内。
摘要:
The present invention discloses an improved supported catalyst for gas purification which comprises a catalyst carrier composed of a molded body including alumina cement having a CaO component in an amount of less than 40% by weight, an Al.sub.2 O.sub.3 component in an amount of more than 35% by weight and an iron oxide component in an amount of less than 20% by weight. Additionally, catalytic materials and auxiliary materials may be added, depending on necessity. A platinum group metal is then supported on the catalyst carrier. There is also disclosed a method for manufacturing such catalyst.
摘要翻译:本发明公开了一种改进的用于气体净化的负载型催化剂,其包括催化剂载体,该催化剂载体由包含少于40重量%的CaO组分的氧化铝水泥和大于35重量%的Al 2 O 3组分的成型体组成, 以及小于20重量%的氧化铁组分。 此外,根据需要,可以添加催化材料和辅助材料。 然后将铂族金属负载在催化剂载体上。 还公开了制造这种催化剂的方法。
摘要:
A slip containing a frit and an oxidizing catalyst is sprayed over a substrate and fused at a temperature as low as 550.degree. C. The frit consists of 15-60% by weight of SiO.sub.2, 9-35% of B.sub.2 O.sub.3, 10-30% Na.sub.2 O, 1-25% of Al.sub.2 O.sub.3, 0-20% of Li.sub.2 O, 0-10% of K.sub.2 O and 0-10% of CaO but must have at least two of Li.sub.2 O, K.sub.2 O and CaO. The oxidizing catalyst is MnOx or CuCO.sub.3 Cu(OH).sub.2 or a mixture thereof, the content being preferably between 5 and 50% by weight. The self-cleaning is effected at a temperature as low as at 280.degree. C.
摘要:
Two types of catalysts are disclosed. They are:1. Catalyst for oxidation of carbon monoxide, nitrogen monoxide or sulfur dioxide, comprising manganese dioxide, calcium aluminate, iron oxyhydroxide and copper hydroxycarbonate; and2. Catalyst for oxidation of carbon monoxide, nitrogen monoxide or sulfur dioxide, prepared by heating a mixture of manganese dioxide calcium aluminate, iron oxyhydroxide and copper hydroxycarbonate.