公开(公告)号：US20170129844A1

公开(公告)日：2017-05-11

申请号：US15322492

申请日：2015-06-26

申请人： MITSUBISHI RAYON CO., LTD.

发明人： Shuji AKIHARA ,  Tatsuya SUZUKI ,  Toshiya YASUKAWA ,  Akio TAKEDA ,  Kenichi MIYAKI ,  Ken OOYACHI

IPC分类号： C07C67/08 ,  C07C51/21 ,  C07C29/17 ,  C07C1/24 ,  C07C51/25

CPC分类号： C07C67/08 ,  C07C1/24 ,  C07C29/172 ,  C07C51/21 ,  C07C51/23 ,  C07C51/235 ,  C07C51/252 ,  C07C2521/04 ,  C07C11/09 ,  C07C57/04 ,  C07C69/54

摘要： Provided is a method for producing isobutylene with a high selectivity by a dehydration reaction of isobutanol. There are provided a method for producing isobutylene by dehydration of isobutanol, in which the dehydration of isobutanol is performed in a state where at least one of an organic acid and an organic acid ester is present in a reaction system, and methods for producing methacrylic acid and methyl methacrylate from the obtained isobutylene.

公开(公告)号：US20150343429A1

公开(公告)日：2015-12-03

申请号：US14654996

申请日：2014-02-04

申请人： TOKUSHIMA UNIVERSITY ,  MITSUBISHI RAYON CO., LTD.

发明人： Shigeru SUGIYAMA ,  Yuuki KATOU ,  Toshiya YASUKAWA ,  Shuji AKIHARA ,  Wataru NINOMIYA

IPC分类号： B01J29/03 ,  B01J35/10 ,  C07C45/52

CPC分类号： B01J29/0308 ,  B01J29/035 ,  B01J35/1061 ,  C07C45/52 ,  C07C47/02

摘要： Provided is a method that produces a saturated aldehyde from a 1,2-alkanediol in high yield. Disclosed is a method for producing a saturated aldehyde from a 1,2-alkanediol in the presence of a regular mesoporous material.

摘要翻译： 提供了以高产率从1,2-链烷二醇生产饱和醛的方法。 公开了一种在常规介孔材料存在下由1,2-链烷二醇生产饱和醛的方法。

公开(公告)号：US20170050896A1

公开(公告)日：2017-02-23

申请号：US15307614

申请日：2015-05-01

申请人： MITSUBISHI RAYON CO., LTD.

发明人： Toshiya YASUKAWA ,  Tatsuya SUZUKI ,  Akio TAKEDA ,  Wataru NINOMIYA ,  Kenichi MIYAKI ,  Ken OOYACHI ,  Shuji AKIHARA

IPC分类号： C07C1/24

CPC分类号： C07C1/24 ,  C07C2521/04 ,  C07C11/09

摘要： The purpose of the present invention is to provide a method that can produce, with high yield or high selectivity isobutylene by means of isobutanol dehydration-reaction. An isobutylene production method of a first embodiment of the present invention is a method for producing isobutylene by means of isobutanol dehydration-reaction, wherein isobutanol is reacted using a catalyst for which the BET specific surface area is within the range of 60 m2/g-175 m2/g, and the reaction is carried out under a reaction pressure of 50 kPa-750 kPa as the absolute pressure. An isobutylene production method of a second embodiment of the present invention includes: using a catalyst which is filled into a reaction chamber and for which the particle diameters of at least 90 mass % of the catalyst are within the range of 700 μm-1000 μm; setting the isobutanol concentration within a supplied reaction gas to 30 vol %-85 vol %; setting the weight hourly velocity (WHSV) of the isobutanol to 0.175 h−1˜20 h−1; and reacting isobutanol under a reaction pressure of 50 kPa-750 kPa as the absolute pressure.

摘要翻译： 本发明的目的是提供一种通过异丁醇脱水反应生产高产率或高选择性的异丁烯的方法。 本发明的第一实施方式的异丁烯制造方法是通过异丁醇脱水反应制造异丁烯的方法，其中异丁醇与BET比表面积在60m 2 / g〜 175m 2 / g，反应在绝对压力50kPa-750kPa的反应压力下进行。 本发明的第二实施方式的异丁烯制造方法包括：使用填充到反应室中的催化剂，其催化剂的至少90质量％的粒径在700μm〜1000μm的范围内; 将所提供的反应气体中的异丁醇浓度设定为30vol％-85vol％; 将异丁醇的重量小时速度（WHSV）设定为0.175h -1〜20h -1; 并在50kPa-750kPa的反应压力下使异丁醇作为绝对压力。