Method of preparing a calcium phosphate catalyst
    122.
    发明授权
    Method of preparing a calcium phosphate catalyst 失效
    磷酸钙催化剂的制备方法

    公开(公告)号:US4246247A

    公开(公告)日:1981-01-20

    申请号:US66495

    申请日:1979-08-14

    CPC classification number: B01J27/18 C07C1/247 C07C2527/167

    Abstract: Disclosed is a method of preparing a calcium phosphate catalyst, which comprises reacting a calcium salt with a phosphoric acid salt in aqueous ammonia, separating the precipitate resulting from the reaction mixture thus obtained, suitably shaping said precipitate, drying it, and subjecting it to heat treatment within a temperature range of 450.degree. to 600.degree. C. in the presence of steam mixed with at least one of the components selected from the group consisting of an inert gas, air, phosphoric an acid, aldehyde, an oxygen-containing heterocyclic compound, an alcohol, and a diene hydrocarbon.The reaction of calcium salts with phosphoric acid salts in aqueous ammonia is effected with the starting reactants taken in the molar ratio of 1.5:1 if no phosphoric acid treatment is used, or with the starting reactants in a molar ratio within the range of 1.5:1 to 5.0:1 if the reaction mixture is treated with a phosphoric acid solution to a pH of from 5.0 to 7.0.

    Abstract translation: 公开了一种制备磷酸钙催化剂的方法,其包括使钙盐与磷酸盐在氨水中反应,将由此得到的反应混合物得到的沉淀物分离,适当地使所述沉淀物形成,干燥并使其加热 在与至少一种选自惰性气体,空气,磷酸,醛,含氧杂环化合物的组分混合的蒸汽存在下,在450℃至600℃的温度范围内进行处理 ,醇和二烯烃。 钙盐与磷酸盐在氨水中的反应是用起始反应物以1.5:1的摩尔比进行的,如果不使用磷酸处理,或起始反应物的摩尔比在1.5:1的范围内, 如果反应混合物用磷酸溶液处理至5.0至7.0的pH,则为1至5.0:1。

    Catalysts for oxidative dehydrogenation
    124.
    发明授权
    Catalysts for oxidative dehydrogenation 失效
    氧化脱氢催化剂

    公开(公告)号:US3886091A

    公开(公告)日:1975-05-27

    申请号:US40909473

    申请日:1973-10-24

    Inventor: BERTUS BRENT J

    CPC classification number: B01J23/835

    Abstract: 1. A COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF A CALCINED ADMIXTURE OF (I) COBALT OXIDE, COMPOUND OF COBALT CONVERTIBLE TO THE OXIDE ON DRYING OF CALCINING, OR THE SULFATE, (II) TIN OXIDE, COMPOUND OF TIN CONVERTIBLE TO THE OXIDE ON DRYING OR CALCINATION, OR SULFATE, AND (III) A GROUP IIA METAL OXIDE, COMPOUND CONVERTIBLE TO A GROUP IIA OXIDE ON CALCINATION, OR SULFATE, SUCH THAT IN SAID CALCINED COMPOSITION OF MATTER COBALT REPRESENTS ABOUT 10 TO 75 WEIGHT PERCENT, TIN REPRESENTS ABOUT 1 TO 50 WEIGHT PERCENT, AND GROUP IIA METAL REPRESENTS ABOUT 0.5 TO 60 WEIGHT PERCENT. 4. THE CATALYST COMPOSITION ACCORDING TO CLAIM 1 WHEREIN FURTHER IS INCLUDED IN SAID CATALYST COMPOSITION A SUPPORT, AND SAID SUPPORT IS ONE OR MORE OF SILICA, BORIA, TITANIA, AND ZIRCO-NIA.

    Palladium compositions suitable as oxidation catalysts

    公开(公告)号:US3849336A

    公开(公告)日:1974-11-19

    申请号:US39935973

    申请日:1973-09-20

    Applicant: LAROX RES CORP

    Inventor: LLOYD W ROWE D

    Abstract: 1. AN AQUEOUS HOMOGENEOUS SOLUTION CONSISTING ESSENTIALLY OF (A) A WATER-SOLULBE PALLADIUM (II) SALT, SAID SALT BEING SELECTED FROM THE GROUP CONSISTING OF A CHLORIDE, BROMIDDE, NITRATE, SULFATE, AND LI2PDCL4, HAVING A CONCENTRATION OF METAL ION OF AT LEAST ABOUT 0.00005 TO ABOUT 0.025 MOLE PER LITER, (B) COPPER (ii) CHLORIDE OR BROMIDE, (C) A COPPER (II) SALT SELECTED FROM THE GROUP CONSISTING OF A NITRATE, SULFATE, ALKYLSULFONATE, ARYLSUFONATE, TETRAFLUOROBORATE, PERCHLORATE, TRIFLUOROACETATE, TRICHLOROACETATE AND METHANEPHOSPHONATE, AND (D) THE BALANCE WATER, WHEREIN THE TOTAL CONCENTRATION OF (B) AND (C) IS FROM ABOUT 0.003 TO ABOUT 3 MOLES PER LITER, AND WHEREIN THE COPPER (II) CHLORIDE OR BROMIDE (B) COMPRISES FROM ABOUT 10 TO ABOUT 80 MOLE PERCENT OF THE TOTAL OF (B) AND (C).

Patent Agency Ranking