Integrated system technique for coupling fixed bed and jet fluidized bed to separator unit

Patent metadata

Field	Value
Publication number	US-9308468-B2
Application number	US-201214361174-A
Country	US
Kind code	B2
Filing date	May 25, 2012
Priority date	Jul 7, 2011
Publication date	Apr 12, 2016
Grant date	Apr 12, 2016

Abstract

A process of integrated system formed by coupling of fixed bed, jetting floating bed, and separating unit, aimed to provide a new process and equipment of higher efficiency, which integrates multi-type reactors and separation is provided. Reaction materials undergo preliminary reaction in fixed bed reactor and intensified reaction in jetting floating bed reactor, and then separation in the subsequent separation system. Unreacted materials will be returned to the raw material intermediate storage tank for mixing with fresh materials, as raw materials for continued reaction. During this process, materials first pass the fixed bed reactor once to achieve certain conversion rate, and then enter the jetting floating bed reactor for intensified reaction. When the product reaches required concentration, the materials will enter subsequent separation equipment for separation.

First claim

The invention claimed is:

1. An integrated process for producing a fluid product comprising the following steps:
inputting raw materials of dihydromyrcene, water and solvent into an intermediate material storage tank via a first pipeline in a ratio of 1:1:2 by mass;
heating the raw materials by a first heat exchanger;
delivering the raw materials by a raw material pump via a first valve, a firs flow meter and a second pipeline to a fixed bed reactor filled with a solid catalyst comprised of a macroporous strongly acidic cation exchange resin the height and the degree of finish of which is determined according to a particular processing capacity and required residence time, for a preliminary reaction resulting in the formation of a reacted mixture, wherein the reacted mixture is sent to the fixed bed reactor one time and are collected by an intermediate buffer tank;
delivering, by a material pump, the reacted mixture of the preliminary reaction in the fixed bed reactor from the intermediate buffer tank to a jet floating bed reactor, via a second valve, a second flow meter, a second heat exchanger and a third pipeline, for an intensified reaction, the jet floating bed reactor system comprising a reactor main body, a fluid pump, a third flow meter, a third heat exchanger, and a jet, wherein fluid from the jet floating bed reactor is pumped by the fluid pump through a third valve, the third flow meter, and heating the reacted mixture by the third heat exchanger to the temperature required by reaction, and then inputting the fluid into the jet through a fourth pipeline, wherein the fluid is injected into the jet floating bed reactor for a cyclic intensified reaction resulting in a fluid product of dihydromyrcenol;
sampling, from a sampling port for analysis, the fluid product of dihydromyrcenol and when the fluid product reaches a specified concentration, outputting the fluid product via a fifth pipeline or a sixth pipeline, whereupon if a liquid phase of the fluid product is delaminated, the fluid product passes through a fourth flow meter, a fourth heat exchanger, a fourth valve, and the fifth pipeline to enter a phase separator for phase separation, and an upper layer oil phase liquid of the fluid products enters the intermediate buffer tank via the sixth pipeline;
separating in the phase separator, the delaminated liquid phase into an oil layer and a water layer;
pumping the layer of the liquid phase without fluid product into the intermediate material storage tank via a seventh pipeline by a liquid pump;
pumping the layer of the liquid phase containing fluid product into the intermediate buffer tank by a second liquid pump, through a fifth valve, a fifth flow meter, heating the liquid phase by a fifth heat exchanger and then delivering the liquid phase containing fluid products to a subsequent separation system through a seventh pipeline for separation; and
separating, in the subsequent separation system, fluid products and unreacted raw materials; and
collecting the dihydromyrcenol fluid products, and pumping the unreacted raw materials back to the intermediate material storage tank for recycling.

2. The integrated process according to claim 1 , wherein the subsequent separation system is a packing-type distillation column or a plate-type distillation column.

3. An integrated process for producing a fluid product comprising the following steps:
inputting raw materials of turpentine, water and solvent into an intermediate material storage tank via a first pipeline in a ratio of 1:1:2 by mass;
heating the raw materials by a first heat exchanger;
delivering the raw materials by a raw material pump via a first valve, a first flow meter and a second pipeline to a fixed bed reactor filled with a solid catalyst comprised of a macroporous strongly acidic cation exchange resin the height and the degree of finish of which is determined according to a particular processing capacity and required residence time, for a preliminary reaction resulting in the formation of a reacted mixture, wherein the reacted mixture is sent to the fixed bed reactor one time and are collected by an intermediate buffer tank;
delivering, by a material pump, the reacted mixture of the preliminary reaction in the fixed bed reactor from the intermediate buffer tank to a jet floating bed reactor, via a second valve, a second flow meter, a second heat exchanger and a third pipeline, for an intensified reaction, the jet floating bed reactor system comprising a reactor main body, a fluid pump, a third flow meter, a third heat exchanger, and a jet, wherein fluid from the jet floating bed reactor is pumped by the fluid pump through a third valve, the third flow meter, and heating the reacted mixture by the third heat exchanger to the temperature required by reaction, and then inputting the fluid into the jet through a fourth pipeline, wherein the fluid is injected into the jet floating bed reactor for a cyclic intensified reaction resulting in a fluid product of terpilenol;
sampling, from a sampling port for analysis, the fluid product of terpilenol and when the fluid product reaches a specified concentration, outputting the fluid product via a fifth pipeline or a sixth pipeline, whereupon if a liquid phase of the fluid product is delaminated, the fluid product passes through a fourth flow meter, a fourth heat exchanger, a fourth valve, and the fifth pipeline to enter a phase separator for phase separation, and an upper layer oil phase liquid of the fluid products enters the intermediate buffer tank via the sixth pipeline;
separating in the phase separator, the delaminated liquid phase into an oil layer and a water layer;
pumping the layer of the liquid phase without fluid product into the intermediate material storage tank via a seventh pipeline by a liquid pump;
pumping the layer of the liquid phase containing fluid product into the intermediate buffer tank by a second liquid pump, through a fifth valve, a fifth flow meter, heating the liquid phase by a fifth heat exchanger and then delivering the liquid phase containing fluid products to a subsequent separation system through a seventh pipeline for separation; and
separating, in the subsequent separation system, fluid products and unreacted raw materials; and
collecting the terpilenol fluid products, and pumping unreacted raw materials back into the intermediate material storage tank for recycling.

4. The integrated process according to claim 3 , wherein the subsequent separation system is a packing-type distillation column or a plate-type distillation column.

5. An integrated process for producing a fluid product comprising the following steps:
inputting raw materials of acetic acid and butanol in a 1:1 ratio by mass or acetic acid and ethanol in a ratio of 1:2 by mass, into an intermediate material storage tank via a first pipeline;
heating the raw materials by a first heat exchanger;
delivering the raw materials by a raw material pump via a first valve, a first flow meter and a second pipeline to a fixed bed reactor filled with a solid catalyst comprised of a macroporous strongly acidic cation exchange resin the height and the degree of finish of which is determined according to a particular processing capacity and required residence time, for a preliminary reaction resulting in the formation of a reacted mixture, wherein the reacted mixture is sent to the fixed bed reactor one time and are collected by an intermediate buffer tank;
delivering, by a material pump, the reacted mixture of the preliminary reaction in the fixed bed reactor from the intermediate buffer tank to a jet floating bed reactor, via a second valve, a second flow meter, a second heat exchanger and a third pipeline, for an intensified reaction, the jet floating bed reactor system comprising a reactor main body, a fluid pump,

Assignees

• Zhou Zheng
• Zhang Zhibing
• Yang Gaodong
• Gong Xionghui
• Wu Pingkeng
• Nanjing University

Inventors

• Zhou Zheng
• Zhang Zhibing
• Yang Gaodong
• Gong Xionghui
• Wu Pingkeng

Classifications

• B01J19/18

  Stationary reactors having moving elements inside (B01J19/08, B01J19/26 take precedence) · CPC title

• B01J8/005 Primary

  Separating solid material from the gas/liquid stream (separation processes per se B01D) · CPC title

• C07C29/48

  by oxidation reactions with formation of hydroxy groups · CPC title

• B01D3/009 Primary

  in combination with chemical reactions · CPC title

• C07C67/08

  by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds · CPC title