摘要:
A MFI-based gallosilicate type catalyst is described.The catalyst is characterized by the following composition expressed by weight:(a) 0.1 to 99.49% of a matrix,(b) 0.5 to 99.99% of a zeolite having the following approximate chemical formula:M.sub.2/n O, Ga.sub.2 O.sub.3, xSiO.sub.2 whereinM represents a proton and/or a metallic cation,n is the valency of said cation,x is a number ranging from 12 to 1000, the zeolite of MFI structure synthesized in a fluoride medium having a fluorine content ranging from 0.02 to 1.5% by weight incorporated during synthesis.The catalyst is notably used in aromatization reactions of light C.sub.2 -C.sub.4 gases in the presence or not of olefins.
摘要:
A MFI-based gallosilicate type catalyst is described.The catalyst is characterized by the following composition expressed by weight:a) 0.1 to 99.49% of a matrix,b) 0.5 to 99.99% of a zeolite having the following approximate chemical formula:M.sub.2/n O, Ga.sub.2 O.sub.3, xSiO.sub.2 whereinM represents a proton and/or a metallic cation,n is the valence of said cation,x is a number ranging from 12 to 1,00, the zeolite of MFI structure synthesized in a fluoride medium having a fluorine content ranging from 0.02 to 1.5% by weight incorporated during synthesis.The catalyst is notably used in aromatization reactions of light C.sub.2 -C.sub.4 gases in the presence or not of olefins.
摘要:
An aluminosilicate type catalyst and its use in the aromatization of a C.sub.2 -C.sub.4 light-gas cut in the presence or not of olefins is described.The catalyst is characterized by the following composition expressed by weight:a) 0.01 to 10% by weight of galliumb) 0.1 to 99.49% of a matrixc) 0.5 to 99.99% of a zeolite having the following approximate chemical formula:M.sub.2/n O, Al.sub.2 O.sub.3, xSiO.sub.2whereinM represents a proton and/or a metallic cation,n is the valency of said cation,x is a number ranging from 12 to 1000, said zeolite having a MFI structure being synthesized, moreover, in a fluoride medium and having a fluorine content ranging from 0.02 to 1.5% by weight incorporated during synthesis.
摘要翻译:描述了一种铝硅酸盐型催化剂及其在烯烃存在与否下切割C2-C4轻质气体芳构化的用途。 催化剂的特征在于以重量计的以下组成:a)0.01至10重量%的镓b)0.1至99.49%的基体c)0.5至99.99%的具有以下近似化学式的沸石:M2 / nO ,Al 2 O 3,xSiO 2,其中M表示质子和/或金属阳离子,n为所述阳离子的化合价,x为12至1000的数,所述沸石具有合成的MFI结构,此外,在氟化物介质中, 其合成中所含的氟含量为0.02-1.5重量%。
摘要:
Olefin oligomerization employing as a catalyst(a) a ferrierite of the following approximate formula:M.sub.x/n (T.sup.III O.sub.2).sub.x (Si.sup.IV O.sub.2).sub.36-x whereT.sup.III represents at least one element selected from the group of boron (B.sup.III), aluminum (Al.sup.III), gallium (Ga.sup.III) and iron (Fe.sup.III);x ranges from 0.05 to 6.6;M is a compensation cation; andn is the valence of M;(b) an X-ray diffraction diagram shown in Table 1 of the description;(c) a fluorine content after synthesis ranging from about 0.01 to 1.6% by weight; and(d) a Si.sup.IV /T.sup.III molar ratio of at least about 4.75.
摘要:
Catalyst of aluminosilicate type for isomerization of a C.sub.8 aromatic cut, characterized by the following composition, expressed by weight:(a) 0.01 to 1.5% of at least one metal selected from platinum and palladium,(b) 0 to 99.49% of a matrix,(c) 0.5 to 99.99% of a zeolite corresponding to the following approximate formula:M.sub.2/n O, Al.sub.2 O.sub.3, X SiO.sub.2, whereinM is a proton and/or a metal cation,n is the valence of said cation,x is a number from 12 to 1000, the zeolite, of MFI structure, synthesized in fluoride medium, containing a fluorine proportion, incorporated therewith during the synthesis, in the range from 0.02 to 1.5% by weight.
摘要翻译:用于C8芳族切割异构化的硅铝酸盐催化剂,其特征在于以重量计的以下组成:(a)0.01至1.5%的至少一种选自铂和钯的金属,(b)0至99.49%的基质 ,(c)对应于以下近似式的0.5至99.99%的沸石:M2 / n O,Al 2 O 3,X SiO 2,其中M为质子和/或金属阳离子,n为所述阳离子的价数,x为 12至1000的沸石,在氟化物介质中合成的含氟比例的MFI结构的沸石在合成过程中与其组成在0.02-1.5重量%的范围内。
摘要:
The object of the invention is a synthetic crystalline zeolite of the mordenite type characterized by:a) the following approximate general formula:Na.sub.2 O, Al.sub.2 O.sub.3, xSiO.sub.2 where x is a number ranging from 9 to 30, andb) an X-ray diffraction diagram represented in table I of the description,c) a fluorine content ranging from about 0.005 to 2.0% by weight,and in that it has been synthetized in a fluoride medium.The invention also relates to a process for preparing said zeolite.This zeolite can notably be utilized in adsorption and in catalysis.
摘要翻译:本发明的目的是丝光沸石的合成结晶沸石,其特征在于:a)以下近似通式:Na 2 O,Al 2 O 3,xSiO 2,其中x为9至30的数,以及b)X射线衍射图 表示在说明书的表I中,c)氟含量范围为约0.005-2.0重量%,并且其在氟化物介质中合成。 本发明还涉及制备所述沸石的方法。 该沸石可以显着地用于吸附和催化。
摘要:
The invention relates to a novel process for the synthesis of zeolites of the ferrisilicate type called ferrizeosilites, to the products obtained by this process as well as their uses. Ferrizeosilite according to the invention is characterized by (a) a chemical formula close to the following:M.sub.2/n O, Fe.sub.2 O.sub.3, x SiO.sub.2whereM represents a proton and/or a metal cationn is the valence of said cationx is a number between 40 and 1000(b) an x-ray diffraction diagram, and (c) a fluorine content between about 0.01% and 16% by weight. Uses are in processes for the conversion of methanol into hydrocarbons, alkylation of toluene with methanol and catalytic cracking of hydrocarbons.
摘要:
The object of the invention is a synthetic crystalline zeolite of the beta type characterized by:a) the following approximate general formula:M.sub.2/n O, Al.sub.2 O.sub.3, xSiO.sub.2where M represents a proton and/or a metallic cationn is the valence of Mx is a number ranging from 5 to 800,b) an X-ray diffraction diagram represented in table I of the description, andc) a fluorine content ranging from about 0.005 to 2.0% by weight, said zeolite having been furthermore synthetized in a fluoride medium.
摘要:
New ferrierites are disclosed as well as their process of manufacture.According to the invention, these new ferrierites are characterized by:(a) The following approximate formula:M.sub.x/n (T.sup.III O.sub.2).sub.x (Si.sup.IV O.sub.2).sub.36-xwherein T.sup.III is at least one element selected from the group formed of boron (B.sup.III),aluminum (Al.sup.III),gallium (Ga.sup.III) and iron (Fe.sup.III)x ranges from 0.05 and 6.6M is a compensation cationn is the valence of M.(b) A particular X-ray diagram,(c) A fluorine content after synthesis ranging from about 0.01 to 1.6% by weight, and(d) A Si.sup.IV /T.sup.III molar ratio of at least 4.75.
摘要:
Hydrated aluminium compounds of the present invention are represented by the general formula nS, mM, Al2O3, xH2O where S is a surfactant or a group of surfactants, n is the number of moles of S, M is an alkaline cation, preferably selected from the group formed by Na+, K+, NH4+, m is the number of moles of M and x is the number of moles of water. The hydrated compounds are obtained from inorganic aluminium sources which are in the form of cation-monomers and/or cation-oligomers. The surfactants are anionic and/or non-ionic surfactants. When the group of surfactants comprises at least one anionic surfactant, at least one cationic surfactant can optionally be added.