CN205965746U - Prepare saline surface -activeagent's of alkyl ether carboxylic acid device in succession - Google Patents
Prepare saline surface -activeagent's of alkyl ether carboxylic acid device in succession Download PDFInfo
- Publication number
- CN205965746U CN205965746U CN201620804959.5U CN201620804959U CN205965746U CN 205965746 U CN205965746 U CN 205965746U CN 201620804959 U CN201620804959 U CN 201620804959U CN 205965746 U CN205965746 U CN 205965746U
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- fixed bed
- bed reactors
- alkyl ether
- carboxylic acid
- ether carboxylic
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Abstract
The utility model relates to a prepare saline surface -activeagent's of alkyl ether carboxylic acid device in succession. The purpose is that the device that provides has simple, the low characteristics of investment cost that dispose. Technical scheme is: a prepare saline surface -activeagent's of alkyl ether carboxylic acid device in succession, is including the static mixer who is equipped with matter entrance, its characterized in that static mixer's material export communicates fixed bed reactor, vapour and liquid separator through the pipeline in proper order, and vapour and liquid separator's bottom is equipped with the export of liquid phase result, and the gas exports on vapour and liquid separator top passes through the import that the pipeline communicates gas holder and fixed bed reactor bottom in proper order, gas cyaniding agent pipeline also inserts the import of fixed bed reactor bottom.
Description
Technical field
This utility model is related to field of fine chemical and in particular to one kind is using noble metal or carbon supported noble metal as catalyst
The device of alkyl ether carboxylic acid's salt surfactant is prepared in serialization.
Background technology
Alkyl ether carboxy acid salt is a class new nonionic surfactant, and its synthetic method can be divided into carboxy methylation method and oxygen
Two kinds of change method.At present, commonly used carboxy methylation method produces alkyl ether carboxylic acid's salt surfactant in the world.Oxidizing process produces
Alkyl ether carboxylic acid's salt surfactant flow process is short, low for equipment requirements, good product quality, is the skill of Abroad in Recent Years major company
One of art exploitation focus；Production technology mainly has two kinds, i.e. the precious metal catalyst oxidizing process such as platinum, palladium and nitrogenous free-radical oxidation
Method.Wherein precious metal catalyst oxidizing process is technology path the most rising, is also the focus of AEC exploitation in the world at present,
This method process route is simple, does not contain side product chlorinated sodium in product.
In alkyl ether carboxy acid salt, APEC is extremely strong to the detergency of oily dirt and alkaline-resisting, salt tolerant, resistance to hard, high temperature resistant, simply
Contain phenyl ring due in its molecular structure, be generally not used for cosmetics or personal care products, AMEC is to make up as a new generation
The new product that the special mild surfactants of product and personal care products are released, its application also has widely opens up sky
Between.AEC is most widely used, and has the characteristics that：(1) gentle to skin and eyes；(2) with other surfactant compatibilities
Good, can not only same anion, nonionic, zwitterionic surfactant compound moreover it is possible to cationic surfactant or be polymerized
Thing is compounded, and this is the characteristic not available for general anion surfactant；(3) cleaning performance and foaming properties are good；⑷
Stable to acid, alkali, chlorine, hard water resistance property is good, and lime soap dispersing power is strong；(5) excellent emulsifying, dispersion, moistening and permeance property, low
Warm dissolubility is good；(6) there is excellent oil soluble performance；(7) easily biological-degradable.Just because of alkyl ether carboxy acid salt has numerous excellent things
Change performance, thus it is of wide application, can be applicable to industry cleaning link, liber antistatic agents, dyeing assistant, intermetallic composite coating cold
But, the field such as lubricant, daily chemical product.
Utility model content
This utility model purpose is to provide one kind to prepare alkyl ether carboxylic acid's salt surface activity with catalytic oxidation serialization
The device of agent, the device providing has that configuration is simple, the low feature of cost of investment.
This utility model provide technical scheme be：
A kind of device of continuous preparation alkyl ether carboxylic acid's salt surfactant, including the static mixing being provided with material inlet
Device；It is characterized in that the material outlet of described static mixer is sequentially communicated fixed bed reactors, gas-liquid separator by pipeline,
The bottom of gas-liquid separator is provided with liquid product outlet, and the gaseous phase outlet on gas-liquid separator top is sequentially communicated gas storage by pipeline
Tank and the import of fixed bed reactors bottom；Gaseous oxidant pipeline also accesses the import of fixed bed reactors bottom.
Described material inlet is arranged on the bottom of static mixer, and described material outlet is arranged on the top of static mixer
Side.
The bottom of described fixed bed reactors is provided with import, and the top of fixed bed reactors is provided with outlet.
The import of described fixed bed reactors bottom also connects liquid caustic soda input pipe.
The beneficial effects of the utility model are：
1. compare traditional carboxy methylation method, in product, there is not the by-products such as sodium chloride, post processing is simple；
2. noble metal catalyst can reuse, and final dead catalyst can also continue to make after recycling
With comprehensive cost performance is higher.
3. the method achieve the recycling of oxidant, conversion rate of products by the 80% of traditional method bring up to 90% with
On.
4. adopt technical process of the present utility model simple, compare the last handling process that carboxy methylation method decreases product,
Reduce the discharge more than 90% of waste water.
5. the device being adopted is combined using existing equipment, thus configuration convenience, technology maturation, long service life,
Cost of investment is relatively low.
Brief description
Fig. 1 is the structural representation that alkyl ether carboxylic acid's salt surfactant device is prepared in described serialization.Wherein
1 is static mixer, and 2 is fixed bed reactors, and 3 is gas-liquid separator, and 4 is gas buffer tank.
Specific embodiment
Reaction mechanism of the present utility model is：Under catalyst action, there is oxidation reaction, hydroxyl quilt with oxygen in alkyl ether
It is oxidized to carboxyl, neutralized as alkyl ether carboxy acid salt by sodium hydroxide.
R(OCH2CH2)nOCH2COOH+NaOH→R(OCH2CH2)nOCH2COONa+H2O
With reference to embodiment, this utility model is described in further detail, but they are not to limit of the present utility model
Fixed.
The device that this utility model provides, the bottom of static mixer 1 is provided with material inlet, the top side of static mixer
Face is provided with material outlet, and this material outlet passes through the import of pipeline communication fixed bed reactors 2 bottom, fixed bed reactors top
Outlet pass through pipeline communication gas-liquid separator 3, the bottom of gas-liquid separator is provided with liquid product outlet, gas-liquid separator top
Gaseous phase outlet air accumulator 4 and the import of fixed bed reactors bottom are sequentially communicated by pipeline.
Described material inlet is arranged on static mixer, and described material outlet is arranged on static mixer.
The import of fixed bed reactors bottom also can connect liquid caustic soda input pipe.
Job step is:
1. alkyl ether raw material, NaOH (liquid caustic soda), distilled water (or deionized water) enter static mixer successively from below, mix
Flow out above reactor side after closing uniformly；
2. raw mixture enters interface below fixed bed reactors；
3. oxygen or air are passed through from fixed bed reactors bottom, are passed through gas-liquid separator after the completion of reaction；
4. target product (liquid product) is from gas-liquid separator bottom collection；The gas of gas-liquid separator output is passed through gas
In surge tank, fixed bed reactors are reentered by circulating line.
Embodiment one：
Add Pd/C catalyst in fixed bed reactors, by AEO9, alkali, distilled water be passed through in static mixer, mixing
Liquid is introduced below from fixed bed reactors with the flow velocity of 1ml/min, keeps fixed bed reactors temperature to be 90 DEG C.AEO9With liquid caustic soda
Mol ratio is 1:1.3, AEO9Mass ratio with distilled water is 1:4, it is preheated to 40 DEG C.
Oxygen is passed through toward in fixed bed reactors with the flow velocity of 5ml/min, the pressure of fixed bed reactors is 0.05MPa.
Gas-phase product is collected in gas buffer tank, continues as gaseous oxidant to reuse, and liquid product exists
It is collected in after filtration in preserving jar, recording conversion ratio is 95%.
Embodiment two：
Pd/C catalyst is added, by AEO in fixed bed reactors9, alkali, distilled water be passed through in static mixer, mixed liquor
Introduced below from fixed bed reactors with the flow velocity of 1ml/min, keep fixed bed reactors temperature to be 70 DEG C.AEO9Rub with liquid caustic soda
That ratio is 1:1.1, AEO9Mass ratio with distilled water is 1:4, it is preheated to 40 DEG C.
Air is passed through toward in fixed bed reactors with the flow velocity of 20ml/min, the pressure of fixed bed reactors is 0.2MPa.
Gas-phase product is collected in gas buffer tank, continues as gaseous oxidant to reuse, and liquid product exists
It is collected in after filtration in preserving jar, recording conversion ratio is 91%.
Embodiment three：
Pt/C catalyst is added, by AEO in fixed bed reactors9, alkali, distilled water be passed through in static mixer, mixed liquor
Introduced below from fixed bed reactors with the flow velocity of 1ml/min, keep fixed bed reactors temperature to be 80 DEG C.AEO9Rub with liquid caustic soda
That ratio is 1:1.1, AEO9Mass ratio with distilled water is 1:4, it is preheated to 40 DEG C.
Oxygen is passed through toward in fixed bed reactors with the flow velocity of 20ml/min, the pressure of fixed bed reactors is 0.2MPa.
Gas-phase product is collected in gas buffer tank, continues as gaseous oxidant to reuse, and liquid product exists
It is collected in after filtration in preserving jar, recording conversion ratio is 91%.
Example IV：
Pd catalyst is added, by AEO in fixed bed reactors9, alkali, distilled water be passed through in static mixer, mixed liquor with
The flow velocity of 1ml/min is introduced below from fixed bed reactors, keeps fixed bed reactors temperature to be 90 DEG C.AEO9With liquid caustic soda mole
Than for 1:1.1, AEO9Mass ratio with distilled water is 1:4, it is preheated to 40 DEG C.
Oxygen is passed through toward in fixed bed reactors with the flow velocity of 10ml/min, the pressure of fixed bed reactors is 0.1MPa.
Gas-phase product is collected in gas buffer tank, continues as gaseous oxidant to reuse, and liquid product exists
It is collected in after filtration in preserving jar, recording conversion ratio is 92%.
Embodiment five：
Pd/C catalyst is added, by AEO in fixed bed reactors7, alkali, distilled water be passed through in static mixer, AEO7With liquid
Alkali mol ratio is 1:1.1, AEO7Mass ratio with distilled water is 1:4, it is preheated to 40 DEG C.Mixed liquor with the flow velocity of 5ml/min from
Fixed bed reactors are introduced below, keep fixed bed reactors temperature to be 60 DEG C.
Oxygen is passed through toward in fixed bed reactors with the flow velocity of 20ml/min, the pressure of fixed bed reactors is 0.2MPa,
Reactor bottom is passed through liquid caustic soda with 0.02ml/min.
Gas-phase product is collected in gas buffer tank, continues as gaseous oxidant to reuse, and liquid product exists
It is collected in after filtration in preserving jar, recording conversion ratio is 93%.
Claims (4)
1. a kind of device of continuous preparation alkyl ether carboxylic acid's salt surfactant, including the static mixer being provided with material inlet
(1)；It is characterized in that the material outlet of described static mixer is sequentially communicated fixed bed reactors (2) by pipeline, gas-liquid is divided
From device (3), the bottom of gas-liquid separator is provided with liquid product outlet, and the gaseous phase outlet on gas-liquid separator top passes through pipeline successively
Connection air accumulator (4) and the import of fixed bed reactors bottom；Gaseous oxidant pipeline also accesses fixed bed reactors bottom
Import.
2. according to claim 1 continuous preparation alkyl ether carboxylic acid's salt surfactant device it is characterised in that：Institute
State the bottom that material inlet is arranged on static mixer, described material outlet is arranged on the top-side of static mixer.
3. according to claim 2 continuous preparation alkyl ether carboxylic acid's salt surfactant device it is characterised in that：Institute
The bottom stating fixed bed reactors is provided with import, and the top of fixed bed reactors is provided with outlet.
4. according to claim 3 continuous preparation alkyl ether carboxylic acid's salt surfactant device it is characterised in that：Institute
The import stating fixed bed reactors bottom also connects liquid caustic soda input pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620804959.5U CN205965746U (en) | 2016-07-28 | 2016-07-28 | Prepare saline surface -activeagent's of alkyl ether carboxylic acid device in succession |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620804959.5U CN205965746U (en) | 2016-07-28 | 2016-07-28 | Prepare saline surface -activeagent's of alkyl ether carboxylic acid device in succession |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205965746U true CN205965746U (en) | 2017-02-22 |
Family
ID=58026816
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620804959.5U Withdrawn - After Issue CN205965746U (en) | 2016-07-28 | 2016-07-28 | Prepare saline surface -activeagent's of alkyl ether carboxylic acid device in succession |
Country Status (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106076195A (en) * | 2016-07-28 | 2016-11-09 | 浙江赞宇科技股份有限公司 | The technique of a kind of continuous preparation alkyl ether carboxylic acid's salt surfactant and device |
-
2016
- 2016-07-28 CN CN201620804959.5U patent/CN205965746U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106076195A (en) * | 2016-07-28 | 2016-11-09 | 浙江赞宇科技股份有限公司 | The technique of a kind of continuous preparation alkyl ether carboxylic acid's salt surfactant and device |
| CN106076195B (en) * | 2016-07-28 | 2018-01-09 | 浙江赞宇科技股份有限公司 | A kind of continuous technique and device for preparing alkyl ether carboxylic acid's salt surfactant |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170222 Effective date of abandoning: 20180109 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20170222 Effective date of abandoning: 20180109 |