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    • 7. 发明授权
    • Process for the purification of hydrocarbons
    • 烃类净化方法
    • US4318802A
    • 1982-03-09
    • US200175
    • 1980-10-24
    • Petrus F. A. Van GrinsvenMartin F. M. Post
    • Petrus F. A. Van GrinsvenMartin F. M. Post
    • C10G25/05
    • C10G25/05
    • A process is disclosed for removal of mercaptans from mercaptan-containing low boiling hydrocarbon mixture wherein said mixtures are fed to a contact zone containing a crystalline metal silicate which in dehydrated form has a composition in terms of moles of the oxides:(1.0.+-.0.3)(R).sub.2/n 0.[aFe.sub.2 O.sub.3.bAl.sub.2 O.sub.3.cGa.sub.2 O.sub.3. y(dSiO.sub.2.eGeO.sub.2)],where R is one or more mono- or bivalent cations and a, b, c, d, e, y and n are defined as hereinafter disclosed. The disclosed silicate crystalline metal silicate is (a) thermally stable up to a temperature above 600.degree. C.; (b) exhibits a specified X-ray powder diffraction pattern showing the reflections set out in Table A of the specification; (c) in the formula which represents the composition of the silicate expressed in terms of moles of the oxides, the (Al.sub.2 O.sub.3 +Fe.sub.2 O.sub.3)/SiO.sub.2 molar ratio is lower than 0.1; and separating from said crystalline silicate a hydrocarbon mixture product having a lower mercaptan content than the feed.
    • 公开了一种从含硫醇的低沸点烃混合物中除去硫醇的方法,其中将所述混合物进料到含有结晶金属硅酸盐的接触区,其中脱水形式具有以氧化物摩尔数计的组成:(1.0 +/- 0.3)(R)2 / n0。[aFe2O3.bAl2O3.cGa2O3。 y(dSiO2.eGeO2)],其中R是一个或多个一价或二价阳离子,a,b,c,d,e,y和n如下文所述。 公开的硅酸盐结晶金属硅酸盐是(a)在高于600℃的温度下热稳定; (b)表示说明书的表A所示的反射的规定的X射线粉末衍射图。 (c)在表示以氧化物的摩尔数表示的硅酸盐的组成的式中,(Al 2 O 3 + Fe 2 O 3)/ SiO 2摩尔比低于0.1; 并且与所述结晶硅酸盐分离出具有比所述进料低的硫醇含量的烃混合物产物。