公开(公告)号：US10570014B2

公开(公告)日：2020-02-25

申请号：US14653202

申请日：2013-12-19

Applicant: SOLVAY SA

Inventor： Stephen Bloomfield

IPC: C01B15/013 ,  C01B15/023 ,  B01D11/04 ,  B01J19/24

Abstract: The present invention relates to an improved process for manufacturing a purified aqueous hydrogen peroxide solution. The invention further relates to a plant for producing hydrogen peroxide in which the improved process for manufacturing a purified aqueous hydrogen peroxide solution according to the present invention is employed.

公开(公告)号：US20190388860A1

公开(公告)日：2019-12-26

申请号：US16549851

申请日：2019-08-23

Applicant: Solvay SA

Inventor： Stephen Bloomfield ,  Patrick Markus Dhaese

IPC: B01J10/00 ,  C01B15/023 ,  B01J19/00

Abstract: An autoxidation process for producing hydrogen peroxide may be performed using a plant that includes at least two skid mounted modules selected from: a skid mounted module comprising at least one hydrogenator to hydrogenate an anthraquinone in a working solution; a skid mounted module comprising at least one oxidizer to oxidize the hydrogenated anthraquinone with oxygen to form hydrogen peroxide; optionally a skid mounted module configured to compress air to feed oxygen into the at least one oxidizer of the oxidizer skid, and when said air compressor skid is present, a further skid mounted module configured to recover solvent; a skid mounted module configured to extract the hydrogen peroxide from the working solution; and a skid mounted module comprising at least one means to deliver a hydrogen peroxide solution to a point of use and/or optionally to a storage tank.

公开(公告)号：US10793433B2

公开(公告)日：2020-10-06

申请号：US14350820

申请日：2012-10-02

Applicant: SOLVAY SA

Inventor： Alain Vandenbussche ,  Patrick Markus Dhaese ,  Stephen Bloomfield ,  Francine Janssens

IPC: C01B15/023

Abstract: A process for manufacturing hydrogen peroxide by an anthraquinone autoxidation process (AO-process) comprising two alternate (essential) steps of: (a) hydrogenation of a working solution in a hydrogenation unit in the presence of a catalyst, wherein such working solution contains at least one alkylanthraquinone dissolved in at least one organic solvent, to obtain at least one corresponding alkylanthrahydroquinone compound; and (b) oxidation of the at least one alkylanthrahydroquinone compound to obtain hydrogen peroxide in an oxidation unit; and further comprising the step of: (c) extracting the hydrogen peroxide formed in the oxidation step in an extraction unit, wherein the units of step (a) to (c), optionally together with further ancillary units as appropriate, constitute a hydrogen peroxide production site, wherein one or more of said units are equipped with one or more sensors for monitoring one or more AO-process parameters at the hydrogen peroxide production site, said sensors being interconnected with one or more first computers at the hydrogen peroxide production site, said first computers being linked via a communication network to one or more second computers in a control room being remote from the hydrogen peroxide production site, and said control room being remotely controlling such hydrogen peroxide production site.

公开(公告)号：US20140234202A1

公开(公告)日：2014-08-21

申请号：US14350825

申请日：2012-10-02

Applicant: SOLVAY SA

Inventor： Alain Vandenbussche ,  Patrick Markus Dhaese ,  Stephen Bloomfield ,  Francine Janssens

IPC: C01B15/023

CPC classification number: C01B15/023

Abstract: A process for manufacturing hydrogen peroxide by an anthraquinone autoxidation process (AO-process) comprising two alternate essential steps of: (a) hydrogenation of a working solution in a hydrogenation unit in the presence of a catalyst, wherein the working solution contains at least one alkylanthraquinone dissolved in at least one organic solvent, to obtain at least one corresponding alkylanthrahydroquinone compound; and (b) oxidation of the at least one alkylanthrahydroquinone compound to obtain hydrogen peroxide in an oxidation unit; and further comprising step (c): extracting the hydrogen peroxide formed in the oxidation step in an extraction unit, wherein the hydrogenation, oxidation and extraction steps are performed in an reactor system which is designed as a compact modular system of a hydrogenation, an oxidation and an extraction unit, and wherein the reactor system is configured to operate without a reversion (regeneration) unit for continuous reversion of the working solution as a small to medium scale AO-process with a production capacity of hydrogen peroxide of up to 20 kilo tons per year, wherein the working solution and/or the catalyst are replaced and/or treated for regeneration or reactivation only intermittently or periodically, e.g., with a low frequency.

Abstract translation: 一种通过蒽醌自动氧化工艺（AO工艺）制造过氧化氢的方法，包括两个可选的必需步骤：（a）在催化剂存在下氢化加氢单元中的工作溶液，其中工作溶液含有至少一种 烷基蒽醌溶于至少一种有机溶剂中，得到至少一种相应的烷基蒽醌化合物; 和（b）氧化所述至少一种烷基蒽氢醌化合物以在氧化单元中获得过氧化氢; 并且还包括步骤（c）：在提取单元中提取在氧化步骤中形成的过氧化氢，其中氢化，氧化和提取步骤在反应器系统中进行，反应器系统被设计为紧凑的模块化系统的氢化，氧化 和提取单元，并且其中所述反应器系统被配置为在不具有逆转（再生））单元的情况下操作，以连续回复所述工作溶液作为中等规模AO工艺，所述过程的过氧化氢生产能力高达20千吨 其中工作溶液和/或催化剂仅被间歇地或周期性地例如低频地替换和/或处理用于再生或再活化。

公开(公告)号：US09617153B2

公开(公告)日：2017-04-11

申请号：US14350825

申请日：2012-10-02

Applicant: SOLVAY SA

Inventor： Alain Vandenbussche ,  Patrick Markus Dhaese ,  Stephen Bloomfield ,  Francine Janssens

IPC: C01B15/023

CPC classification number: C01B15/023

Abstract: A process for manufacturing hydrogen peroxide by an anthraquinone autoxidation process (AO-process) comprising two alternate essential steps of: (a) hydrogenation of a working solution in a hydrogenation unit in the presence of a catalyst, wherein the working solution contains at least one alkylanthraquinone dissolved in at least one organic solvent, to obtain at least one corresponding alkylanthrahydroquinone compound; and (b) oxidation of the at least one alkylanthrahydroquinone compound to obtain hydrogen peroxide in an oxidation unit; and further comprising step (c): extracting the hydrogen peroxide formed in the oxidation step in an extraction unit, wherein the hydrogenation, oxidation and extraction steps are performed in an reactor system which is designed as a compact modular system of a hydrogenation, an oxidation and an extraction unit, and wherein the reactor system is configured to operate without a reversion (regeneration) unit for continuous reversion of the working solution as a small to medium scale AO-process with a production capacity of hydrogen peroxide of up to 20 kilo tons per year, wherein the working solution and/or the catalyst are replaced and/or treated for regeneration or reactivation only intermittently or periodically, e.g., with a low frequency.

公开(公告)号：US20150030505A1

公开(公告)日：2015-01-29

申请号：US14384559

申请日：2013-02-28

Applicant: SOLVAY SA

Inventor： Stephen Bloomfield ,  Patrick Markus Dhaese

IPC: B01J10/00 ,  B01J19/00 ,  C01B15/023

CPC classification number: B01J10/00 ,  B01J19/0006 ,  B01J2219/0002 ,  B01J2219/00022 ,  B01J2219/00049 ,  C01B15/013 ,  C01B15/023

Abstract: A plant for producing hydrogen peroxide by an autoxidation process (AO-process) comprising hydrogenating an anthraquinone in a working solution, oxidizing the hydrogenated anthraquinone with oxygen to form hydrogen peroxide and extracting the hydrogen peroxide from the working solution, the plant comprising at least one skid mounted module selected from the group consisting of a skid mounted module comprising at least one hydrogenator (hydrogenation reactor) to hydrogenate the anthraquinone in the working solution (hydrogenation skid 1); a skid mounted module comprising at least one oxidizer (oxidation reactor) to oxidize the hydrogenated anthraquinone with oxygen to form hydrogen peroxide (oxidizer skid 2); optionally a skid mounted module comprising at least one means to compress air (process air compressor skid 3), to feed oxygen, in particular oxygen from the air, into an oxidizer of skid 2, and in case of presence of skid 3 a further skid mounted module comprising at least one means to recover the solvent (solvent recovery unit skid 4), in particular if oxygen from the air is used to feed oxygen into an oxidizer of skid 2; a skid mounted module comprising at least one means to extract the hydrogen peroxide from the working solution (extraction skid 5); a skid mounted module (skid 6), comprising at least one means to deliver hydrogen peroxide solution to the point of use and/or optionally to a storage tank optionally with additional means for adjusting the hydrogen peroxide concentration. Preferably the plant is a modular reactor system which is configured to operate without a reversion unit as a small-to-medium scale mini-AO process plant with a production capacity of hydrogen peroxide of up to 20 kilo tons per year and which can be controlled also remotely.

Abstract translation: 一种用于通过自动氧化工艺（AO工艺）生产过氧化氢的设备，包括在工作溶液中氢化蒽醌，用氧氧化氢化蒽醌以形成过氧化氢，并从工作溶液中提取过氧化氢，该工厂包含至少一种 选自包括至少一个氢化器（氢化反应器）的防滑装配模块以加氢工作溶液中的蒽醌（加氢防滑装置1）的滑动安装模块; 包括至少一个氧化器（氧化反应器）的氧化器，用氧气氧化氢化的蒽醌以形成过氧化氢（氧化剂防滑2）; 可选地，滑动安装的模块包括至少一个压缩空气的装置（过程空气压缩机滑板3），将氧气，特别是氧气从空气中供入到滑轨2的氧化剂中，并且在存在滑板3的情况下，进一步滑动 特别是如果使用来自空气的氧来将氧气供给到滑动剂2的氧化剂中，则该组件包括至少一种回收溶剂的装置（溶剂回收单元滑块4） 一种滑动安装的模块，包括至少一种从工作溶液中萃取过氧化氢的装置（提取滑板5）; 滑动安装的模块（滑移装置6），包括至少一种将过氧化氢溶液输送到使用点和/或任选地向存储罐输送至少一种用于调节过氧化氢浓度的附加装置的装置。 优选地，该设备是模块化反应器系统，其被配置为在不具有逆变单元的情况下操作，作为每年可达20千吨的过氧化氢生产能力的中小规模的小型AO工艺设备，并且可以被控制 也远程。

公开(公告)号：US20140255294A1

公开(公告)日：2014-09-11

申请号：US14350820

申请日：2012-10-02

Applicant: SOLVAY SA

Inventor： Alain Vandenbussche ,  Patrick Markus Dhaese ,  Stephen Bloomfield ,  Francine Janssens

IPC: C01B15/023

Abstract: A process for manufacturing hydrogen peroxide by an anthraquinone autoxidation process (AO-process) comprising two alternate (essential) steps of: (a) hydrogenation of a working solution in a hydrogenation unit in the presence of a catalyst, wherein such working solution contains at least one alkylanthraquinone dissolved in at least one organic solvent, to obtain at least one corresponding alkylanthrahydroquinone compound; and (b) oxidation of the at least one alkylanthrahydroquinone compound to obtain hydrogen peroxide in an oxidation unit; and further comprising the step of: (c) extracting the hydrogen peroxide formed in the oxidation step in an extraction unit, wherein the units of step (a) to (c), optionally together with further ancillary units as appropriate, constitute a hydrogen peroxide production site, wherein one or more of said units are equipped with one or more sensors for monitoring one or more AO-process parameters at the hydrogen peroxide production site, said sensors being interconnected with one or more first computers at the hydrogen peroxide production site, said first computers being linked via a communication network to one or more second computers in a control room being remote from the hydrogen peroxide production site, and said control room being remotely controlling such hydrogen peroxide production site.

Abstract translation: 一种通过蒽醌自动氧化工艺（AO工艺）制造过氧化氢的方法，包括两个交替（必需）步骤：（a）在催化剂存在下氢化单元中的工作溶液氢化，其中这种工作溶液包含在 至少一种烷基蒽醌溶于至少一种有机溶剂中，以获得至少一种相应的烷基蒽醌化合物; 和（b）氧化所述至少一种烷基蒽氢醌化合物以在氧化单元中获得过氧化氢; 并且还包括以下步骤：（c）在提取单元中提取在氧化步骤中形成的过氧化氢，其中步骤（a）至（c）的单元，任选地与适当的其它辅助单元一起构成过氧化氢 其中一个或多个所述单元配备有一个或多个用于监测过氧化氢生产部位的一个或多个AO工艺参数的传感器，所述传感器与过氧化氢生产部位的一个或多个第一计算机相互连接， 所述第一台计算机通过通信网络连接到远离过氧化氢生产现场的控制室中的一个或多个第二计算机，并且所述控制室远程控制这种过氧化氢生产现场。