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    • 3. 发明授权
    • Heteropoly acid salt catalyst and its preparation method
    • 杂多酸盐催化剂及其制备方法
    • US09314772B2
    • 2016-04-19
    • US14086368
    • 2013-11-21
    • Shanghai HuaYi Acrylic Acid Co. Ltd.
    • Xin WenGe LuoXinlei JinTonghao WuYan ZhuangXiaodong ChuJinghua Ji
    • B01J23/00B01J37/03B01J27/199B01J37/00
    • B01J23/002B01J27/199B01J37/0009B01J37/038B01J2523/00B01J2523/13B01J2523/17B01J2523/51B01J2523/55B01J2523/68B01J2523/842B01J2523/847B01J2523/72
    • Disclosed are a catalyst and preparation method and use thereof. The catalyst has a constitution represented as the formula below, wherein, D represents at least one element selected from the group consisting of copper, magnesium, manganese, stibium and zinc; E represents at least one element selected from the group consisting of tungsten, silicon, nickel, palladium, ferrum and plumbum; Z is selected from the group consisting of SiC, MoO3, WO3, TiO2 and ZrO2; y/x=11.1-50:100; a=0.1-3; b=0.01-5; c=0.01-5; d=0.01-3; e=0.01-2; f is the proportion of oxygen atom balancing the valence. The method comprises: (i) formulating Solution A with molybdenum, phosphorus, and vanadium compounds; formulating Solution B with dissolve potassium compound and a D-containing compound; formulating Solution C with an E-containing compound; (ii) mix Solutions A, B and C under a temperature of −5-10° C.; (iii) pre-calcination (iv) adding graphite powder and the diluting heat-conductive agent, wherein the weight ratio between the diluting heat-conductive agent and the catalyst precursor (y/x) is 11.1-50%; and (v) calcination. x(Mo12PaKbVcDdEeOf)/yZ
    • 公开了催化剂及其制备方法和用途。 催化剂具有如下式所示的结构,其中,D表示选自铜,镁,锰,锑和锌中的至少一种元素; E表示选自钨,硅,镍,钯,铁和铅的至少一种元素; Z选自SiC,MoO 3,WO 3,TiO 2和ZrO 2; y / x = 11.1-50:100; a = 0.1-3; b = 0.01-5; c = 0.01-5; d = 0.01-3; e = 0.01-2; f是平衡价态的氧原子的比例。 该方法包括:(i)用钼,磷和钒化合物配制溶液A; 用溶解的钾化合物和含D化合物配制溶液B; 用含E化合物配制溶液C; (ii)在5-10℃的温度下混合溶液A,B和C. (iii)预煅烧(iv)添加石墨粉末和稀释导热剂,其中稀释导热剂和催化剂前体之间的重量比(y / x)为11.1-50%; 和(v)煅烧。 x(Mo12PaKbVcDdEef)/ yZ
    • 4. 发明申请
    • HETEROPOLY ACID SALT CATALYST AND ITS PREPARATION METHOD
    • 异源酸盐催化剂及其制备方法
    • US20140141964A1
    • 2014-05-22
    • US14086368
    • 2013-11-21
    • Shanghai HuaYi Acrylic Acid Co., Ltd.
    • Xin WenGe LuoXinlei JinTonghao WuYan ZhuangXiaodong ChuJinghua Ji
    • B01J27/224
    • B01J23/002B01J27/199B01J37/0009B01J37/038B01J2523/00B01J2523/13B01J2523/17B01J2523/51B01J2523/55B01J2523/68B01J2523/842B01J2523/847B01J2523/72
    • Disclosed are a catalyst and preparation method and use thereof. The catalyst has a constitution represented as the formula below, wherein, D represents at least one element selected from the group consisting of copper, magnesium, manganese, stibium and zinc; E represents at least one element selected from the group consisting of tungsten, silicon, nickel, palladium, ferrum and plumbum; Z is selected from the group consisting of SiC, MoO3, WO3, TiO2 and ZrO2; y/x=11.1-50:100; a=0.1-3; b=0.01-5; c=0.01-5; d=0.01-3; e=0.01-2; f is the proportion of oxygen atom balancing the valence. The method comprises: (i) formulating Solution A with molybdenum, phosphorus, and vanadium compounds; formulating Solution B with dissolve potassium compound and a D-containing compound; formulating Solution C with an E-containing compound; (ii) mix Solutions A, B and C under a temperature of −5-10° C.; (iii) pre-calcination (iv) adding graphite powder and the diluting heat-conductive agent, wherein the weight ratio between the diluting heat-conductive agent and the catalyst precursor (y/x) is 11.1-50%; and (v) calcination. x(Mo12PaKbVcDdEeOf)/yZ
    • 公开了催化剂及其制备方法和用途。 催化剂具有如下式所示的结构,其中,D表示选自铜,镁,锰,锑和锌中的至少一种元素; E表示选自钨,硅,镍,钯,铁和铅的至少一种元素; Z选自SiC,MoO 3,WO 3,TiO 2和ZrO 2; y / x = 11.1-50:100; a = 0.1-3; b = 0.01-5; c = 0.01-5; d = 0.01-3; e = 0.01-2; f是平衡价态的氧原子的比例。 该方法包括:(i)用钼,磷和钒化合物配制溶液A; 用溶解的钾化合物和含D化合物配制溶液B; 用含E化合物配制溶液C; (ii)在5-10℃的温度下混合溶液A,B和C. (iii)预煅烧(iv)添加石墨粉末和稀释导热剂,其中稀释导热剂和催化剂前体之间的重量比(y / x)为11.1-50%; 和(v)煅烧。 x(Mo12PaKbVcDdEef)/ yZ
    • 10. 发明申请
    • Method of (meth) acrylate production
    • (甲基)丙烯酸酯生产方法
    • US20090124825A1
    • 2009-05-14
    • US11985409
    • 2007-11-14
    • Yong TangChunlei ZhangJianxue MaJingming Shao
    • Yong TangChunlei ZhangJianxue MaJingming Shao
    • C07C69/52
    • C07C51/252C07C51/44C07C57/04
    • A method of methacrylate production includes the steps of providing methacrylate gas mixture; absorbing said gas mixture by water to form a solution mixture; introducing said solution mixture into a distillation column, separating impure methacrylate from said solution mixture in said distillation column that solution of said impure methacrylate is collected at said stripping section of said distillation column; and removing acetic acid from said impure methacrylate to produce methacrylate. It effectively enhances the separation capacity of the distillation column, lowers the whole column pressure drop and operation temperature, avoids the polymerization tendency of the methacrylate under high temperature, to make the water content of the bottom discharging decreases to 0.6%, acetic acid content reduces to below 2%, methyl acrylic content of the top column water phase decreases to 0.5%, thereby reduces the methacrylate products unit consumption and improves the product quality.
    • 甲基丙烯酸酯生产方法包括提供甲基丙烯酸酯气体混合物的步骤; 通过水吸收所述气体混合物以形成溶液混合物; 将所述溶液混合物引入蒸馏塔中,从所述蒸馏塔中的所述溶液混合物中分离不纯的甲基丙烯酸酯,将所述不纯的甲基丙烯酸酯的溶液收集在所述蒸馏塔的所述汽提部分; 并从所述不纯的甲基丙烯酸酯中除去乙酸以制备甲基丙烯酸酯。 有效提高了蒸馏塔的分离能力,降低了整个柱压降和操作温度,避免了高温下甲基丙烯酸酯的聚合倾向,使底部放电的含水量降低至0.6%,乙酸含量降低 至2%以下,顶级水相甲基丙烯酸含量降低至0.5%,从而降低甲基丙烯酸酯产品的单位消耗,提高产品质量。