Process for upgrading a paraffinic feedstock
    5.
    发明授权
    Process for upgrading a paraffinic feedstock 失效
    升级石蜡原料的方法

    公开(公告)号:US5304697A

    公开(公告)日:1994-04-19

    申请号:US43422

    申请日:1993-04-06

    CPC分类号: C07C2/58 C07C2529/70

    摘要: Process for upgrading a paraffinic feedstock which includes: a) supplying the feedstock and an olefins-containing stream at a paraffin to olefin volume ratio greater than 2 to a reactor containing a zeolite-beta catalyst; and b) removing the upgraded product; wherein the process is operated at an olefin conversion of at least 90 mol % in an external circulation reactor having an extent of external circulation of liquid reactor content expressed as ##EQU1## of greater than 2 wherein .phi./v is the volumetric flow rate of feedstock and olefins-containing stream and .phi./vc is the volumetric external circulation flow rate, and upgraded products produced by the process.

    摘要翻译: 用于升级链烷烃原料的方法,其包括:a)将原料和含烯烃的料流以大于2的链烷烃与烯烃体积比提供给含有沸石-β催化剂的反应器; 和b)取出升级后的产品; 其中所述方法在外部循环反应器中以至少90mol%的烯烃转化率进行操作,所述外循环反应器具有表示为(* CHEMICAL STRUCTURE *)大于2的液体反应器内容物的外部循环程度,其中(phi)/ v为 原料和含烯烃流的体积流量和(phi)/ vc是体积外循环流量,并且由该方法生产的升级产物。

    Process for reducing ramsbottom carbon test of short residues
    8.
    发明授权
    Process for reducing ramsbottom carbon test of short residues 失效
    用于减少短残留物的短片碳测试的方法

    公开(公告)号:US4397734A

    公开(公告)日:1983-08-09

    申请号:US388778

    申请日:1982-06-15

    IPC分类号: C10G45/08 C10G67/04

    CPC分类号: C10G45/08 C10G2300/107

    摘要: Process for the preparation of a heavy oil with a low Ramsbottom Carbon Test (RCT) from a short residue by (a) catalytic hydrotreatment for RCT reduction at such severity that the C.sub.4.sup.- gas production per percentage RCT reduction is kept between defined limits, followed by (b) solvent deasphalting of the (vacuum or atmospheric) distillation residue of the hydrotreated product.

    摘要翻译: 通过(a)用于RCT降低的催化加氢处理,以使得每单位RCT降低的C4气体产量保持在确定的限度之间的严重程度,从短残留物制备具有低Ramsbottom碳测试(RCT)的重油的方法,随后 通过(b)加氢处理产物的(真空或大气)蒸馏残余物的溶剂脱沥青。

    Process for reducing ramsbottom test of short residues
    9.
    发明授权
    Process for reducing ramsbottom test of short residues 失效
    用于减少短残留物的短裤试验的方法

    公开(公告)号:US4396493A

    公开(公告)日:1983-08-02

    申请号:US391810

    申请日:1982-06-24

    IPC分类号: C10G67/04

    CPC分类号: C10G67/0463 C10G2300/107

    摘要: In the preparation of a heavy oil with a low Ramsbottom Carbon Test (RCT) from a short residue by a two-stage process comprising catalytic hydrotreatment followed by solvent deasphalting and recycle of the asphalt to the first stage, the catalytic hydrotreatment for RCT reduction in the first stage is carried out at such severity that the C.sub.4.sup.- production per percent RCT reduction is kept between defined limits.

    摘要翻译: 在通过包括催化加氢处理,然后溶剂脱沥青和沥青再循环到第一阶段的两阶段方法从短的残留物制备具有低残留量的Ramsbottom碳测试(RCT)的重油的情况下,用于RCT降低的催化加氢处理 第一阶段的进行情况使得C4生产每百分比RCT降低保持在限定的限度之间。

    Process for preparing a large molecular sieve
    10.
    发明授权
    Process for preparing a large molecular sieve 失效
    制备大分子筛的方法

    公开(公告)号:US5593655A

    公开(公告)日:1997-01-14

    申请号:US437727

    申请日:1995-05-09

    摘要: The present invention relates to a process for the preparation of a large-pore molecular sieve, comprising crystallizing the molecular sieve from a starting mixture at a pH in the range of from 3 to 8, and recovering a large-pore molecular sieve, the said starting mixture having a molar composition satisfying the following molar ratio's:(0.01-2)R.sub.2/n O):(0-1.5)M.sub.2/m O:(0-0.5)X.sub.2 O.sub.3 :1YO.sub.2 :(5-1000)H.sub.2 O:(0.01-3)F.sup.-,wherein n and m are the weighted average valences of R and M respectively, M is an alkali- or alkaline earth metal, X is a trivalent metal and Y is a tetravalent element, wherein R comprises at least one main organic template R.sub.m having the formula R.sub.1 R.sub.2 R.sub.3 R.sub.4 Q.sup.+ wherein Q is nitrogen or phosphorus and wherein at least one and at most three of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 is an aryl or alkyl group having 6 to 36 carbon atoms and each of the remainder of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 is selected from hydrogen and an alkyl group having 1 to 5 carbon atoms.

    摘要翻译: 本发明涉及一种制备大孔分子筛的方法,包括在起始混合物中在3至8的pH范围内使分子筛结晶,并回收大孔分子筛,所述 起始混合物的摩尔组成满足以下摩尔比:(0.01-2)R2 / nO):( 0-1.5)M2 / mO:(0-0.5)X2O3:1YO2:(5-1000)H2O:(0.01- 3)F-,其中n和m分别是R和M的加权平均化合价,M是碱金属或碱土金属,X是三价金属,Y是四价元素,其中R包括至少一个主要有机物 具有式R1R2R3R4Q +的模板Rm,其中Q是氮或磷,并且其中R1,R2,R3和R4中的至少一个和最多三个是具有6至36个碳原子的芳基或烷基,并且其余的R 1,R 2 R 3和R 4选自氢和具有1至5个碳原子的烷基。