Integrated method for synthesis propylene oxide
    13.
    发明授权
    Integrated method for synthesis propylene oxide 有权
    合成环氧丙烷的综合方法

    公开(公告)号:US07173143B2

    公开(公告)日:2007-02-06

    申请号:US10526045

    申请日:2003-08-29

    IPC分类号: C07D301/12

    摘要: The present invention relates to an integrated process for the synthesis of propylene oxide, which comprises at least the following steps: (i) dehydrogenation of propane to give a substream T(0) comprising at least propane, propene and hydrogen; (ii) fractionation of the substream T(0) to give at least one gaseous hydrogen-rich substream T(2) and a substream T(1) comprising at least propene and propane; (iii) synthesis of hydrogen peroxide using the substream T(2), giving a substream T (4) which is rich in hydrogen peroxide and a gaseous substream T(6); (iv) fractionation of the substream T(1) to give at least one propane-rich substream T(5) and at least one propene-rich substream T(3); (v) reaction of the at least one substream T(3) with substream T(4) to give propylene oxide.

    摘要翻译: 本发明涉及一种用于合成环氧丙烷的综合方法,其包括至少以下步骤:(i)丙烷脱氢得到至少包含丙烷,丙烯和氢的分支T(O); (ii)分流T(0)以产生至少一个富含气体的气流T(2)和至少包含丙烯和丙烷的子流T(1); (iii)使用子流T(2)合成过氧化氢,得到富含过氧化氢的气流T(4)和气态分支T(6); (iv)分流T(1)以产生至少一个富含丙烷的子流T(5)和至少一个富含丙烯的子流T(3); (v)至少一个子流T(3)与子流T(4)的反应,得到环氧丙烷。

    Method for producing chlorine from hydrochloric from hydrochloric aid
    15.
    发明申请
    Method for producing chlorine from hydrochloric from hydrochloric aid 审中-公开
    从盐酸辅助的盐酸生产氯的方法

    公开(公告)号:US20060099138A1

    公开(公告)日:2006-05-11

    申请号:US10532725

    申请日:2003-10-27

    IPC分类号: C01B7/00

    摘要: Process for preparing chlorine from hydrochloric acid, which comprises the steps: a) providing a hydrochloric acid feed stream I; b) providing a hydrochloric acid recycle stream II; c) separating off a hydrogen chloride stream IV from the hydrochloric acid feed stream I and the hydrochloric acid recycle stream II in a distillation step; d) feeding the hydrogen chloride stream IV, an oxygen-containing steam V and, if desired, an oxygen-containing recycle stream Va into an oxidation zone and oxidizing hydrogen chloride to chlorine in the presence of a catalyst to give a product gas stream VI comprising chlorine, unreacted oxygen, unreacted hydrogen chloride and water vapor; e) separating off hydrogen chloride and water from the product gas stream VI in an absorption step to give a gas stream VII and the hydrochloric acid recycle stream II; f) if desired, drying the gas stream VII; g) separating off an oxygen-containing stream from the gas stream VII and, if desired, recirculating at least part of this as oxygen-containing recycle stream Va to the oxidation zone, leaving a chlorine-containing product stream VIII; h) if desired, further purifying the chlorine-containing product stream VIII.

    摘要翻译: 从盐酸制备氯的方法,其包括以下步骤:a)提供盐酸进料流I; b)提供盐酸循环流II; c)在蒸馏步骤中,从盐酸进料流I和盐酸循环流II中分离出氯化氢料流IV; d)将氯化氢流IV,含氧蒸汽V以及如果需要的话将含氧再循环流Va加入氧化区,并在催化剂存在下将氯化氢氧化成氯,得到产物气流VI 包括氯,未反应的氧,未反应的氯化氢和水蒸气; e)在吸收步骤中从产物气流VI中分离氯化氢和水,得到气流VII和盐酸再循环流II; f)如果需要,干燥气流VII; g)从气流VII中分离含氧物流,如果需要,将其至少部分再循环为含氧再循环流Va至氧化区,留下含氯产物流VIII; h)如果需要,进一步纯化含氯产物流VIII。

    Catalyst beds for non-steady state processes
    19.
    发明授权
    Catalyst beds for non-steady state processes 失效
    用于非稳态过程的催化剂床

    公开(公告)号:US06211113B1

    公开(公告)日:2001-04-03

    申请号:US08711553

    申请日:1996-09-10

    IPC分类号: B01J2724

    摘要: A layered catalyst support or carrier provides a core member for carrying out non-steady state heterogeneously catalyzed processes where reaction gases and their products come in contact with a conventional catalyst applied to the carrier. The support as a carrier is made up of a large number of individually shaped particulate bodies or monolithic packings to be loaded into a reactor and maintained as a fluidized bed or a fixed bed during the non-steady state reaction and the recovery of the products. The support or carrier may consist of glass, quartz, oxides, nitrides, aluminosilicates, magnesium silicates, metals and carbon or their mixtures. Each shaped particle or monolithic packing of this core support is then completely enclosed by depositing thereon a thin protective layer of a nitride, oxide, carbide or chloride of a metal, a non-metal or a mixture thereof, which exhibits a dense, pore-free microstructure and a nonpolar surface having a very low density of acid centers. This outer layer is applied to the core support by a plasma-assisted gas phase deposition. The catalytically active layer is then applied to this protective layer.

    摘要翻译: 层状催化剂载体或载体提供用于进行非稳态异质催化方法的芯构件,其中反应气体及其产物与施加到载体上的常规催化剂接触。 作为载体的载体由大量单独形状的颗粒体或整体填料组成,以在非稳态反应和产物的回收期间装载到反应器中并保持为流化床或固定床。 载体或载体可以由玻璃,石英,氧化物,氮化物,铝硅酸盐,硅酸镁,金属和碳或它们的混合物组成。 然后,通过在其上沉积金属,非金属或它们的混合物的氮化物,氧化物,碳化物或氯化物的薄保护层,将这种芯支撑体的每个成形颗粒或整体式填料完全封闭, 自由微结构和具有非常低的酸中心密度的非极性表面。 通过等离子体辅助气相沉积将该外层施加到芯支撑体上。 然后将催化活性层施加到该保护层。