Abstract in simplified Chinese:一种催化剂包含一种由钾、铯、铈、铬、钴、镍、铁、铋及钼之催化性氧化物所构成的复合物,其中此等元素之相对比例是以下列通式来表示:AaKbCscCedCreCofNigXhFeiBijMo12Ox其中A是铷(Rb)、钠(Na)、锂(Li)、铊(Tl)、或由此等所构成之混合物,X是磷(P)、锑(Sb)、碲(Te)、硼(B)、锗(Ge)、钨(W)、钙(Ca)、镁(Mg)、一种稀土元素、或由此等所构成之混合物,a是大约0至大约1,b是大约0.01至大约1,c是大约0.01至大约1,d是大约0.01至大约3,e是大约0.01至大约2,f是大约0.01至大约10,g是大约0.1至大约10,h是大约0至大约3,i是大约0.1至大约4,j是大约0.05至大约4,x是一个视其他存在元素之价数需求来决定之数目,且其中该催化剂是实质不包含锰及锌。此催化剂可供用于将丙烯、异丁烯、或其混合物个别地予以氨氧化成丙烯、甲基丙烯及其混合物。
Abstract in simplified Chinese:一种制备改良式经铁促进之之钒锑氧化物催化剂之方法,系利用将丙烷胺基氧化为丙烯,其中使用于制备该催化剂之铁来源(即,一含铁化合物如Fe2O3)为一具BET表面大于120m^2/克之含铁化合物。此种催化剂系用于将C3–C5烯烃胺基氧化为α–β–不饱和,丙烯与NH3以及氧进行胺基氧化形成丙烯,甲基啶与NH3以及氧进行胺基氧化形成氰基啶,间–二甲基苯与NH3以及氧进行胺基氧化形成间苯二甲亚硝酸盐,邻–二甲基苯氧化为邻苯二甲酐。
Abstract in simplified Chinese:一种催化剂组成物,其包含一种由催化性氧化物所构成的复合物,该催化性氧化物包含:铷、铈、铬、铁、铋、钼、以及至少一种镍或镍与钴、任择地包含镁以及任择地包含一种磷、锑、碲、钠、锂、钾、铯、铊、硼、钨、钙,其中此等元素之相对比例是以下列通式来表示:RbaCebCrcMgdAeFefBigYhMo12Ox其中A是镍(Ni)或镍(Ni)与钴(Co)之组合,Y是至少一种磷(P)、锑(Sb)、碲(Te)、锂(Li)、钠(Na)、钾(K)、铯(Cs)、铊(Tl)、硼(B)、锗(Ge)、钨(W)、钙(Ca)、锌(Zn)、一种稀土元素、或其混合物,a是大约0.01至大约1,b是大约0.01至大约3,c是大约0.01至大约2,d是大约0至大约7,e是大约0.01至大约10,f是大约0.01至大约4,g是大约0.05至大约4,h是0至大约3x是一个视其他存在元素之价数需求来决定之数目,其中“b”+“c”大于“g”,且其中该催化剂是实质不包含锰、一种贵重金属或钒。此催化剂可供用于将丙烯、异丁烯、或其混合物个别地予以氨氧化成丙烯、甲基丙烯及其混合物。 RbaCebCrcMgdAeFefBigYhMo12Ox
Abstract:
PROBLEM TO BE SOLVED: To produce an HPLC (high-performance liquid chromatography)-grade acetonitrile from a crude acetonitrile formed as a byproduct in the production of acrylonitrile. SOLUTION: The method for producing the HPLC-grade acetonitrile (UV cut off COPYRIGHT: (C)2011,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide an improved production process for acrylonitrile or methacrylonitrile. SOLUTION: A recovery process of acetonitrile or methacrylonitrile obtained from a reactor effluent of ammoxidation reaction of propylene or isobutylene is provided, which process comprises a step for passing the reactor effluent through an absorption column, a recovery column and a stripping column, wherein the improved point comprises that the recovery column top pressure is increased by about 0.1 psi to 5 psi by using a mechanical means to improve hydraulic capacity of the recovery column and the stripping column. COPYRIGHT: (C)2008,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To produce an HPLC grade acetonitrile from a crude acetonitrile obtained as a byproduct in production of acrylonitrile. SOLUTION: A process for producing the HPLC grade acetonitrile (UV cut off COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide an antimonate catalyst useful for the ammoxidation of an olefin and/on paraffin to a corresponding unsaturated nitrile. SOLUTION: The method for preparing the antimonate catalyst having the following experimental formula: V a Sb b M m N n O x (wherein a is 0.01-2, b is 0.5-4, m is 0.01-3, n is 0-1, M is Sn, Ti, Fe, Cu, Mn, Ga or a mixture of them and N is Li, Mg, Sr, Ca, Ba, Co, Ni, Zn, Ge, Nb, Zr, Mo, W, Cr, Te, Ta, Se, Bi, Ce, In, Ar, B or a mixture of them) includes a process for heating an aqueous mixture, which contains a water-soluble vanadate, Sb 2 O 3 and at least one kind of an M accelerator, to a temperature between its reflux temperature and 250°C under autogenous pressure while stirring the same over a time sufficient to form a catalyst precursor. COPYRIGHT: (C)2007,JPO&INPIT
Abstract translation:要解决的问题:提供可用于将烯烃和/或链烷烃氧化成相应的不饱和腈的锑酸盐催化剂。 解决方案:用于制备具有以下实验式的锑酸盐催化剂的方法:V SB> Sb SB> N SB> (其中a为0.01-2,b为0.5-4,m为0.01-3,n为0-1,M为Sn,Ti,Fe,Cu,Mn ,Ga或它们与N的混合物为Li,Mg,Sr,Ca,Ba,Co,Ni,Zn,Ge,Nb,Zr,Mo,W,Cr,Te,Ta,Se,Bi,Ce, Ar,B或它们的混合物)包括用于加热水性混合物的方法,其含有水溶性钒酸盐,Sb O 3 SB>和至少一种 M促进剂,在自身压力下在回流温度和250℃之间的温度下搅拌一段足以形成催化剂前体的时间。 版权所有(C)2007,JPO&INPIT