Cyclic process for the production of taurine from monoethanolamine
    96.
    发明申请
    Cyclic process for the production of taurine from monoethanolamine 审中-公开
    从单乙醇胺生产牛磺酸的循环方法

    公开(公告)号:US20150183731A1

    公开(公告)日:2015-07-02

    申请号:US13998958

    申请日:2013-12-30

    申请人: Songzhou Hu

    发明人: Songzhou Hu

    摘要: A method is disclosed for the production of taurine in high yield by a cyclic process of reacting monoethanolamine, sulfuric acid, and ammonium sulfite in the presence of additives to inhibit the hydrolysis of 2-aminoethyl hydrogen sulfate intermediate. The cyclic process is economical and little waste is generated.

    摘要翻译: 公开了通过在添加剂存在下使单乙醇胺,硫酸和亚硫酸铵反应的环状方法以高产率生产牛磺酸的方法,以抑制2-氨基乙基硫酸氢盐中间体的水解。 循环过程是经济的,并且产生很少的浪费。

    Process for isolating paraffinsulfonates with a low alkali metal sulfate
content and sulfuric acid from paraffin-sulfoxidation reaction mixtures
without obligatory production of sodium sulfate
    98.
    发明授权
    Process for isolating paraffinsulfonates with a low alkali metal sulfate content and sulfuric acid from paraffin-sulfoxidation reaction mixtures without obligatory production of sodium sulfate 失效
    使用低碱金属硫酸盐含量的链烷烃磺酸盐和硫酸从石蜡 - 磺化氧化反应混合物中分离而不必强制生产硫酸钠的方法

    公开(公告)号:US4808343A

    公开(公告)日:1989-02-28

    申请号:US120859

    申请日:1987-11-16

    申请人: Rudolf Pistorius

    发明人: Rudolf Pistorius

    CPC分类号: C07C303/42

    摘要: A process for isolating alkanesulfonates having a low alkali metal sulfate content and sulfuric acid from paraffin-sulfoxidation reaction mixtures with the aid of alcohols, the reaction mixture, freed from sulfur dioxide, being mixed in a sequence of five mixer/settler vessels with a C.sub.4 -C.sub.8 -alcohol and the amount of alkali metal hydroxide which is necessary for neutralization. The process is designed so that no alkali metal sulfate, but instead only sulfuric acid, is produced as a byproduct. Fewer alkali metal ions are thereby lost from the system, and the consumption of alkali metal hydroxide for neutralization is accordingly reduced.

    摘要翻译: 用烷烃 - 磺化氧化反应混合物中的烷基磺酸盐和硫酸分离的方法借助于醇,除去二氧化硫的反应混合物按5个混合器/沉淀器容器与C4的顺序混合 -C8醇和中和所需的碱金属氢氧化物的量。 该方法设计成不产生碱金属硫酸盐,而是仅生成硫酸作为副产物。 因此,从系统中减少的碱金属离子减少,相应地降低了用于中和的碱金属氢氧化物的消耗。

    Sulfonic acid compositions having reduced sulfur-containing contaminants
    99.
    发明授权
    Sulfonic acid compositions having reduced sulfur-containing contaminants 失效
    具有降低的含硫污染物的磺酸组合物

    公开(公告)号:US4747972A

    公开(公告)日:1988-05-31

    申请号:US38390

    申请日:1987-04-15

    摘要: Processes of reducing the inorganic sulfur-containing acid and the low equivalent weight organic sulfonic acid content of an acid mass comprising organic sulfonic components and inorganic sulfonating agent contaminants are described. In general, the process comprises the steps of(a) treating the acid mass with ammonia in the presence of water to neutralize the acids in said acid mass and to form a mixture containing the ammonium salts of said acids,(b) allowing separation of the mixture to provide a lower aqueous phase containing water-soluble ammonium salts and an upper phase comprising the oleophilic alcohol and ammonium salts of the organic sulfonic acids, and(c) recovering at least a portion of said upper phase. The efficiency of the reduction of undesirable materials from the acid mass can be increased by subjecting the recovered upper phase to additional water extractions in the presence of the oleophilic alcohol.The ammonium salts of the organic sulfonic acids recovered by the above process can be converted to oil-soluble metal salts by reacting said ammonium salts with a basically reacting metal compound in such amounts and under such conditions as to form metal salts of said organic sulfonic acids. The metals salts prepared in this manner may be neutral metal salts or highly basic metal salts. The neutral and metal basic salts are useful in a variety of applications including lubricants and fuels.

    摘要翻译: 描述了包含有机磺酸组分和无机磺化剂污染物的酸性物质的还原无机含硫酸和低当量有机磺酸含量的方法。 通常,该方法包括以下步骤:(a)在水存在下用氨处理酸性物质以中和所述酸性物质中的酸,并形成含有所述酸的铵盐的混合物,(b) 所述混合物提供含有水溶性铵盐的较低水相和包含所述有机磺酸的亲油醇和铵盐的上相,和(c)回收至少一部分所述上相。 可以通过在亲油醇的存在下使回收的上相进行额外的水提取来增加从酸性物质中减少不需要的物质的效率。 通过上述方法回收的有机磺酸的铵盐可以通过使所述铵盐与基本上反应的金属化合物反应,以这样的量和在这样的条件下形成所述有机磺酸的金属盐来转化为油溶性金属盐 。 以这种方式制备的金属盐可以是中性金属盐或高碱性金属盐。 中性和金属碱性盐可用于各种应用,包括润滑剂和燃料。

    Manufacture of oil soluble polyvalent metal sulfonates
    100.
    发明授权
    Manufacture of oil soluble polyvalent metal sulfonates 失效
    油溶性多价金属磺酸盐的制造

    公开(公告)号:US4738804A

    公开(公告)日:1988-04-19

    申请号:US766134

    申请日:1985-08-15

    申请人: Ashok Ramnaney

    发明人: Ashok Ramnaney

    CPC分类号: C07C303/42

    摘要: An improved method for the direct production and recovery of oil soluble polyvalent metal sulfonates of petroleum hydrocarbons is provided wherein a hydrocarbon feed stock is sulfonated and mixed with water and a hydrocarbon solvent to form a top layer and a bottom sludge layer containing undesirable water soluble sulfonic acids and ions. The top layer is treated with a partition breaking solvent causing it to separate into three phases, a top oil phase, a middle phase containing most of the desired oil soluble sulfonic acids and a lower brine phase containing undesirable water soluble sulfonic acids and ions. The middle phase is directly treated with an oxide or hydroxide of a polyvalent metal without a prior neutralization step to produce neutral oil soluble polyvalent metal sulfonate which can readily be recovered from solution.

    摘要翻译: 提供了用于石油烃的油溶性多价金属磺酸盐的直接生产和回收的改进方法,其中烃原料被磺化并与水和烃溶剂混合以形成顶层和含有不期望的水溶性磺酸盐的底部污泥层 酸和离子。 顶层用分隔剂分解溶剂处理,使其分离成三相,顶部油相,含有大部分所需油溶性磺酸的中间相和含有不希望的水溶性磺酸和离子的较低盐水相。 中间相直接用多价金属的氧化物或氢氧化物处理,而无需先前的中和步骤,以产生可容易地从溶液中回收的中性油溶性多价金属磺酸盐。