CN106117039B - A method of preparing sodium acetate using humin - Google Patents
A method of preparing sodium acetate using humin Download PDFInfo
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- CN106117039B CN106117039B CN201610430854.2A CN201610430854A CN106117039B CN 106117039 B CN106117039 B CN 106117039B CN 201610430854 A CN201610430854 A CN 201610430854A CN 106117039 B CN106117039 B CN 106117039B
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- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/41—Preparation of salts of carboxylic acids
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/02—Preparation of carboxylic acids or their salts, halides or anhydrides from salts of carboxylic acids
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Abstract
The present invention provides a kind of method preparing sodium acetate using humin, preparation process is：Humin is put into retort, sodium hydroxide solution reaction is added, black homogeneous phase solution is obtained after being cooled to room temperature；Hydrogen peroxide is added into black homogeneous phase solution, room temperature is water-cooled to after reaction, obtains brown homogeneous phase solution, brown homogeneous phase solution is concentrated by evaporation, is cooling, crystallizing, and obtains sodium acetate.Sodium acetate is prepared using humin, improves the utilization ratio of humin, technological process is simple and convenient to operate, yield is high.Humin Efficient Conversion is sodium acetate, and conversion ratio reaches 100%, and every 100 g humins can obtain 41 51 g sodium acetates, has industrial applications foreground.The present invention can obtain acetic acid by acidification reaction solution simultaneously, and every 100 g humins can get 30 37 g acetic acid.
Description
Technical field
The present invention relates to the utilization method field of humin, more particularly to a kind of sides preparing sodium acetate using humin
Method.
Background technology
Resource and energy problem are the global problems for restricting human lives and social sustainable development.Using carbohydrate as resource
（Such as cellulose）Acid-catalyzed hydrolysis prepares high value industrial chemicals levulic acid and has become a kind of important technology.Humin is carbohydrate money
Source acid-catalyzed hydrolysis prepares the Main By product of levulic acid, and this by-product is a kind of carbon-based high polymer of low value, due to
Indissolubility with Conventional solvents significantly limits the utilization again of humin.Humin is mainly used to directly at this stage
Combustion power generation is connect, utilization ratio is low, therefore the generation of a large amount of humins greatly reduces the utilization ratio of carbohydrate resource, such as exists
In cellulose hydrolysis, the carbon selectivity of humin is up to 30-60%.In order to efficiently utilize carbohydrate resource to improve entire acid
The economic value of catalyzing hydrolysis industry, develops the new application of humin, and humin is converted into valuable chemicals as working as
The hot spot of preceding research, sodium acetate are a kind of chemical products for the background that is widely used, and can be used for printing and dyeing, photograph, being electroplated, pharmacy
Deng also serving as preservative, esterifying agent etc..It would therefore be highly desirable to develop a kind of high efficiency technical, humin is converted into valuable acetic acid
Sodium improves the utility value of humin.
Invention content
The present invention provides a kind of method preparing sodium acetate using humin, it is low to solve humin utilization rate at this stage
Under, the problem of resource serious waste.
In order to solve the above technical problems, the present invention prepares sodium acetate using humin, preparation process is as follows：
（1）Humin is put into retort, 60-80mL sodium hydroxide solutions are added in every gram of humin, and sodium hydroxide is molten
The concentration of liquid is 0.3-0.5 mol/L, and confined reaction tank is water-cooled to isothermal reaction 10-12 hours under 160-200 degree
Room temperature obtains black homogeneous phase solution；
（2）It is added hydrogen peroxide into black homogeneous phase solution, the mass ratio of the hydrogen peroxide and humin is 0.9-
1.6：1, confined reaction tank, isothermal reaction 1 hour, is water-cooled to room temperature under 135-180 degree, obtains brown homogeneous phase solution,
Brown homogeneous phase solution is concentrated by evaporation, is cooling, crystallizing, and obtains sodium acetate.
The humin is generated solid by-product during preparing levulic acid as raw material using carbohydrate, by solid pair
It is dried to constant weight under 100 degree after product washing, obtains humin.
Described the step of preparing levulic acid as raw material using carbohydrate, is as follows：
（1）Carbohydrate is added in dilution heat of sulfuric acid, the carbohydrate dilution heat of sulfuric acid of a concentration of 200 g/L is configured to, it is described
A concentration of 0.05 mol/L of dilute sulfuric acid；
（2）Obtained carbohydrate dilution heat of sulfuric acid is added in retort, isothermal reaction 6 hours, are cooled to room under 170 degree
Temperature filters isolated water-phase product and solid by-product, and water-phase product is extracted by organic solvent, vacuum distillation obtains acetyl
Propionic acid.
The carbohydrate is any one in glucose, cellulose, fructose, sucrose.
The present invention also provides a kind of method preparing acetic acid using humin, preparation process is：
（1）Humin is put into retort, 60-80 mL sodium hydroxide solutions are added in every gram of humin, and sodium hydroxide is molten
The concentration of liquid is 0.3-0.5 mol/L, and confined reaction tank is water-cooled to isothermal reaction 10-12 hours under 160-200 degree
Room temperature obtains black homogeneous phase solution；
（2）It is added hydrogen peroxide into black homogeneous phase solution, the mass ratio of the hydrogen peroxide and humin is 0.9-
1.6：1, confined reaction tank, isothermal reaction 1 hour, is water-cooled to room temperature under 135-180 degree, obtains brown homogeneous phase solution；
（3）Sulfuric acid solution is added into brown homogeneous phase solution to pH=1-2, obtains brown solution, brown solution decompression
Acetic acid is obtained after rectifying.
The humin is generated solid by-product during preparing levulic acid as raw material using carbohydrate, by solid pair
It is dried to constant weight under 100 degree after product washing, obtains humin.
Described the step of preparing levulic acid as raw material using carbohydrate, is as follows：
（1）Carbohydrate is added in dilution heat of sulfuric acid, the carbohydrate dilution heat of sulfuric acid of a concentration of 200 g/L is configured to, it is described
A concentration of 0.05 mol/L of dilute sulfuric acid；
（2）Obtained carbohydrate dilution heat of sulfuric acid is added in retort, isothermal reaction 6 hours, are cooled to room under 170 degree
Temperature filters isolated water-phase product and solid by-product, and water-phase product is extracted by organic solvent, vacuum distillation obtains acetyl
Propionic acid.
The carbohydrate is any one in glucose, cellulose, fructose, sucrose.
The beneficial effects of the invention are as follows：Sodium acetate is prepared using humin, improves the utilization ratio of humin, technique stream
Journey is simple and convenient to operate, yield is high.Humin Efficient Conversion is sodium acetate, and conversion ratio reaches 100%, and every 100 g humins can
To obtain 41-51 g sodium acetates, there is industrial applications foreground.The present invention can obtain second by acidification reaction solution simultaneously
Acid, every 100 g humins can get 30-37 g acetic acid.
Description of the drawings
Fig. 1 is the Gc-mss mass spectrogram of acetic acid standard sample；
Fig. 2 is the Gc-mss mass spectrogram of acetic acid product in humin reaction gained brown solution in embodiment 1；
Fig. 3 is the high-efficient liquid phase color of product and acetic acid standard sample in humin reaction gained brown solution in embodiment 1
Spectrum analysis figure.
Specific implementation mode
It will illustrate the method for preparing sodium acetate using humin involved in the present invention with specific embodiment below, but
The scope of the present invention is not limited to these examples.
Embodiment 1
The preparation process for preparing sodium acetate in the present embodiment using humin is as follows：
（1）Obtain humin：Solid by-product caused by collecting during preparing levulic acid as raw material using glucose,
It is dried to constant weight under 100 degree after washing, obtains humin；
Described the step of preparing levulic acid as raw material using glucose, is as follows：Glucose is added in dilution heat of sulfuric acid,
It is configured to the glucose dilution heat of sulfuric acid of a concentration of 200 g/L, a concentration of 0.05 mol/L of the dilution heat of sulfuric acid；It will obtain
Glucose dilution heat of sulfuric acid be added retort in, isothermal reaction 6 hours, are cooled to room temperature under 170 degree, suction filtration it is isolated
Water-phase product and solid by-product, water-phase product is extracted by organic solvent, vacuum distillation obtains levulic acid.
（2）The sodium hydroxide solution of 1 g humins and a concentration of 0.5 mol/L of 80mL is taken to be put into the retort of 100 mL
In, temperature programming 1 hour is to 180 degree, and constant temperature is kept for 12 hours under 180 degree, is water-cooled to room temperature after having reacted, is obtained
Black homogeneous phase solution；
（3）To step（2）1.6 g hydrogen peroxide, closed reactor, temperature programming are added in obtained black homogeneous phase solution
1 hour to 150 degree, then constant temperature was kept for 1 hour under 150 degree, opens reaction kettle after being water-cooled to room temperature, it is equal to obtain brown
Phase solution, this brown homogeneous phase solution contain 0.51g sodium acetates.
Primary product of the present invention, which is formed in sodium hydroxide solution with sodium acetate, to be existed, and becomes acetic acid after acidified, we
The content of sodium acetate is determined by determining acetic acid content.
To step（3）Obtained brown homogeneous phase solution is added sulfuric acid and is acidified to pH=1-2, obtains a brown solution, then
Gc-mss and efficient liquid phase chromatographic analysis are carried out respectively to this brown solution, discovery acetic acid is primary product（Fig. 1,
Fig. 2 and Fig. 3）, that is, illustrate to contain sodium acetate in the brown homogeneous phase solution before acidification.
Fig. 1 is the Gc-mss mass spectrogram of acetic acid standard items, and Fig. 2 is after humin reaction in gained brown solution
The Gc-mss mass spectrogram of primary product acetic acid, comparison find that two mass spectrograms are completely the same.
Fig. 3 is efficient liquid phase chromatographic analysis figure, goes out peak position and acetic acid standard there are one product in brown solution
Product go out that peak position is identical, i.e., this product is acetic acid.In addition, by high-performance liquid chromatography in brown solution
Acetic acid content carries out quantitative analysis, further calculates the content of sodium acetate in brown solution.
Detect that acetic acid content is 0.37 g in above-mentioned brown solution by efficient liquid phase chromatographic analysis, it follows that step
Suddenly（3）Contain 0.51 g sodium acetates in toffee homogeneous phase solution.
Embodiment 2
The preparation process for preparing sodium acetate in the present embodiment using humin is as follows：
（1）Obtain humin：Solid by-product caused by collecting during preparing levulic acid as raw material using cellulose,
It is dried to constant weight under 100 degree after washing, obtains humin；
Described the step of preparing levulic acid as raw material using cellulose, is as follows：Cellulose is added in dilution heat of sulfuric acid,
It is configured to the cellulose dilution heat of sulfuric acid of a concentration of 200 g/L, a concentration of 0.05 mol/L of the dilution heat of sulfuric acid；It will obtain
Cellulose dilution heat of sulfuric acid be added retort in, isothermal reaction 6 hours, are cooled to room temperature under 170 degree, suction filtration it is isolated
Water-phase product and solid by-product, water-phase product are evaporated under reduced pressure to obtain levulic acid.
（2）The sodium hydroxide solution of 1 g humins and a concentration of 0.3 mol/L of 60 mL is taken to be put into the retort of 100 mL
In, temperature programming 1 hour to 200 degree, then isothermal reaction 10 hours under 200 degree, reaction is opened after being water-cooled to room temperature
Kettle obtains black homogeneous phase solution；
（3）To step（2）0.9 g hydrogen peroxide, closed reactor, temperature programming are added in obtained black homogeneous phase solution
1 hour to 150 degree, then kept for 1 hour in 150 degree of constant temperature again, reaction kettle opened after being water-cooled to room temperature, obtain one it is brown
Color homogeneous phase solution, this solution contain 0.41 g sodium acetates, and brown homogeneous phase solution is concentrated by evaporation, obtains sodium acetate after crystallisation by cooling.
Embodiment 3
（1）Obtain humin：Solid by-product caused by collecting during preparing levulic acid as raw material using fructose, water
It is dried to constant weight under 100 degree after washing, obtains humin；
Described the step of preparing levulic acid as raw material using fructose, is as follows：Fructose is added in dilution heat of sulfuric acid, is prepared
At the fructose dilution heat of sulfuric acid of a concentration of 200 g/L, a concentration of 0.05 mol/L of the dilution heat of sulfuric acid；The fructose that will be obtained
Dilution heat of sulfuric acid is added in retort, and isothermal reaction 6 hours, are cooled to room temperature under 170 degree, filter isolated water-phase product
And solid by-product, water-phase product are evaporated under reduced pressure to obtain levulic acid.
（2）Humin is put into retort, 60mL sodium hydroxide solutions are added in every gram of humin, sodium hydroxide solution
Concentration is 0.5 mol/L, and confined reaction tank, isothermal reaction 12 hours, are water-cooled to room temperature under 160 degree, and it is equal to obtain black
Phase solution；
（3）To step（2）In black homogeneous phase solution in hydrogen peroxide, the quality of the hydrogen peroxide and humin is added
Than being 0.9：1, confined reaction tank, isothermal reaction 1 hour, is water-cooled to room temperature under 180 degree, obtains brown homogeneous phase solution,
Brown homogeneous phase solution is concentrated by evaporation, obtains sodium acetate after crystallisation by cooling.
Embodiment 4
The preparation process for preparing sodium acetate in the present embodiment using humin is as follows：
（1）Obtain humin：Solid by-product caused by collecting during preparing levulic acid as raw material using sucrose, water
It is dried to constant weight under 100 degree after washing, obtains humin；
Described the step of preparing levulic acid as raw material using sucrose, is as follows：Sucrose is added in dilution heat of sulfuric acid, is prepared
At the sucrose dilution heat of sulfuric acid of a concentration of 200 g/L, a concentration of 0.05 mol/L of the dilution heat of sulfuric acid；The sucrose that will be obtained
Dilution heat of sulfuric acid is added in retort, and isothermal reaction 6 hours, are cooled to room temperature under 170 degree, filter isolated water-phase product
And solid by-product, water-phase product are evaporated under reduced pressure to obtain levulic acid.
（2）The sodium hydroxide solution of 1 g humins and a concentration of 0.3 mol/L of 80mL is taken to be put into the retort of 100 mL
In, it is reacted 10 hours under 200 degree after closed, opens reaction kettle after being water-cooled to room temperature, obtain black homogeneous phase solution；
（3）To step（2）Addition 1g hydrogen peroxide, closed reactor, temperature programming 1 are small in obtained black homogeneous phase solution
Up to 135 degree, is then kept for 1 hour in 135 degree of constant temperature again, open reaction kettle after being water-cooled to room temperature, obtain one and contain
The brown homogeneous phase solution of sodium acetate is concentrated by evaporation by this solution, obtains sodium acetate after crystallisation by cooling.
Embodiment 5
The preparation process for preparing sodium acetate in the present embodiment using humin is as follows：
（1）Humin is put into retort, 60mL sodium hydroxide solutions are added in every gram of humin, sodium hydroxide solution
Concentration is 0.3mol/L, and confined reaction tank, isothermal reaction 10 hours, are water-cooled to room temperature under 160 degree, and it is homogeneous to obtain black
Solution；
（2）To step（1）In black homogeneous phase solution in be added 0.9g hydrogen peroxide, confined reaction tank, under 135 degree perseverance
Temperature reaction 1 hour, is water-cooled to room temperature, obtains brown homogeneous phase solution, and brown homogeneous phase solution is concentrated by evaporation, is cooling, crystallizing, obtaining
To sodium acetate.
Embodiment 6
The preparation process for preparing sodium acetate in the present embodiment using humin is as follows：
（1）Humin is put into retort, 70mL sodium hydroxide solutions are added in every gram of humin, sodium hydroxide solution
Concentration is 0.4mol/L, and confined reaction tank, isothermal reaction 11 hours, are water-cooled to room temperature under 180 degree, and it is homogeneous to obtain black
Solution；
（2）To step（1）In black homogeneous phase solution in be added 1.2g hydrogen peroxide, confined reaction tank, under 150 degree perseverance
Temperature reaction 1 hour, is water-cooled to room temperature, obtains brown homogeneous phase solution, and brown homogeneous phase solution is concentrated by evaporation, is cooling, crystallizing, obtaining
To sodium acetate.
Embodiment 7
The preparation process for preparing sodium acetate in the present embodiment using humin is as follows：
（1）Humin is put into retort, 80mL sodium hydroxide solutions are added in every gram of humin, sodium hydroxide solution
Concentration is 0.5mol/L, and confined reaction tank, isothermal reaction 12 hours, are water-cooled to room temperature under 200 degree, and it is homogeneous to obtain black
Solution；
（2）To step（1）In black homogeneous phase solution in 1.6g hydrogen peroxide is added, confined reaction tank is permanent under 180 degree
Temperature reaction 1 hour, is water-cooled to room temperature, obtains brown homogeneous phase solution, and brown homogeneous phase solution is concentrated by evaporation, is cooling, crystallizing, obtaining
To sodium acetate.
Embodiment 8
The preparation process for preparing acetic acid in the present embodiment using humin is as follows
（1）Humin is put into retort, 60 mL sodium hydroxide solutions, sodium hydroxide solution is added in every gram of humin
Concentration be 0.3 mol/L, confined reaction tank, isothermal reaction 10 hours, are water-cooled to room temperature under 160 degree, obtain black
Homogeneous phase solution；
（2）It is added hydrogen peroxide into black homogeneous phase solution, the mass ratio of the hydrogen peroxide and humin is 0.9：1,
Confined reaction tank, isothermal reaction 1 hour, is water-cooled to room temperature under 135 degree, obtains brown homogeneous phase solution；
（3）Sulfuric acid solution is added into brown homogeneous phase solution to pH=1, obtains brown solution, brown solution decompression essence
Acetic acid is obtained after evaporating.
Embodiment 9
The preparation process for preparing acetic acid in the present embodiment using humin is as follows
（1）Humin is put into retort, 70 mL sodium hydroxide solutions, sodium hydroxide solution is added in every gram of humin
Concentration be 0.4 mol/L, confined reaction tank, isothermal reaction 11 hours, are water-cooled to room temperature under 180 degree, obtain black
Homogeneous phase solution；
（2）It is added hydrogen peroxide into black homogeneous phase solution, the mass ratio of the hydrogen peroxide and humin is 1.2：1,
Confined reaction tank, isothermal reaction 1 hour, is water-cooled to room temperature under 150 degree, obtains brown homogeneous phase solution；
（3）Sulfuric acid solution is added into brown homogeneous phase solution to pH=2, obtains brown solution, brown solution decompression essence
Acetic acid is obtained after evaporating.
Embodiment 10
（1）Humin is put into retort, 80 mL sodium hydroxide solutions, sodium hydroxide solution is added in every gram of humin
Concentration be 0.5 mol/L, confined reaction tank, isothermal reaction 12 hours, are water-cooled to room temperature under 200 degree, obtain black
Homogeneous phase solution；
（2）It is added hydrogen peroxide into black homogeneous phase solution, the mass ratio of the hydrogen peroxide and humin is 1.6：1,
Confined reaction tank, isothermal reaction 1 hour, is water-cooled to room temperature under 180 degree, obtains brown homogeneous phase solution；
（3）Sulfuric acid solution is added into brown homogeneous phase solution to pH=1, obtains brown solution, brown solution decompression essence
Acetic acid is obtained after evaporating.
Claims (8)
1. a kind of method preparing sodium acetate using humin, which is characterized in that its step is：
（1）Humin is put into retort, 60-80mL sodium hydroxide solutions are added in every gram of humin, sodium hydroxide solution
Concentration is 0.3-0.5 mol/L, and confined reaction tank is water-cooled to room temperature isothermal reaction 10-12 hours under 160-200 degree,
Obtain black homogeneous phase solution；
（2）It is added hydrogen peroxide into black homogeneous phase solution, the mass ratio of the hydrogen peroxide and humin is 0.9-1.6：1,
Confined reaction tank, isothermal reaction 1 hour, is water-cooled to room temperature under 135-180 degree, obtains brown homogeneous phase solution, and brown is equal
Phase solution is concentrated by evaporation, is cooling, crystallizing, and obtains sodium acetate.
2. the method according to claim 1 for preparing sodium acetate using humin, it is characterised in that：The humin be with
Carbohydrate is that raw material prepares generated solid by-product during levulic acid, is done under 100 degree after solid by-product is washed
It is dry to constant weight, obtain humin.
3. the method according to claim 2 for preparing sodium acetate using humin, it is characterised in that：It is described with carbohydrate be original
It is as follows that material prepares the step of levulic acid：
（1）Carbohydrate is added in dilution heat of sulfuric acid, the carbohydrate dilution heat of sulfuric acid of a concentration of 200 g/L, dilute sulphur are configured to
Acid concentration is 0.05 mol/L；
（2）Obtained carbohydrate dilution heat of sulfuric acid is added in retort, isothermal reaction 6 hours, are cooled to room temperature under 170 degree,
Isolated water-phase product and solid by-product are filtered, water-phase product is extracted by organic solvent, vacuum distillation obtains levulinic
Acid.
4. the method according to claim 2 or 3 for preparing sodium acetate using humin, it is characterised in that：The carbohydrate is
Any one in glucose, cellulose, fructose, sucrose.
5. a kind of method preparing acetic acid using humin, which is characterized in that its step is：
（1）Humin is put into retort, 60-80 mL sodium hydroxide solutions are added in every gram of humin, sodium hydroxide solution
Concentration is 0.3-0.5 mol/L, and confined reaction tank is water-cooled to room temperature isothermal reaction 10-12 hours under 160-200 degree,
Obtain black homogeneous phase solution；
（2）It is added hydrogen peroxide into black homogeneous phase solution, the mass ratio of the hydrogen peroxide and humin is 0.9-1.6：1,
Confined reaction tank, isothermal reaction 1 hour, is water-cooled to room temperature under 135-180 degree, obtains brown homogeneous phase solution；
（3）Sulfuric acid solution is added into brown homogeneous phase solution to pH=1-2, obtains brown solution, brown solution rectification under vacuum
After obtain acetic acid.
6. the method according to claim 5 for preparing acetic acid using humin, it is characterised in that：The humin is with sugar
Class is that raw material prepares generated solid by-product during levulic acid, dry under 100 degree after solid by-product is washed
To constant weight, humin is obtained.
7. the method according to claim 6 for preparing acetic acid using humin, it is characterised in that：It is described using carbohydrate as raw material
The step of preparing levulic acid is as follows：
（1）Carbohydrate is added in dilution heat of sulfuric acid, the carbohydrate dilution heat of sulfuric acid of a concentration of 200 g/L, dilute sulphur are configured to
Acid concentration is 0.05 mol/L；
（2）Obtained carbohydrate dilution heat of sulfuric acid is added in retort, isothermal reaction 6 hours, are cooled to room temperature under 170 degree,
Isolated water-phase product and solid by-product are filtered, water-phase product is extracted by organic solvent, vacuum distillation obtains levulinic
Acid.
8. the method for preparing acetic acid using humin described according to claim 6 or 7, it is characterised in that：The carbohydrate is Portugal
Any one in grape sugar, cellulose, fructose, sucrose.
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|---|---|---|---|---|
| GB591858A (en) * | 1944-05-30 | 1947-09-01 | Walter Norman Haworth | Improvements relating to the manufacture of 5-hydroxy-methyl furfural or levulinic acid |
| GB600871A (en) * | 1945-10-17 | 1948-04-21 | Walter Norman Haworth | Improvements relating to the manufacture of 5-hydroxymethyl 2-furfural |
| JPS49129686A (en) * | 1973-04-18 | 1974-12-12 | ||
| CN104725337A (en) * | 2015-03-06 | 2015-06-24 | 四川大学 | Method for synthesizing 5-hydroxymethylfurfural through carbon dioxide promoted carbohydrate |
-
2016
- 2016-06-17 CN CN201610430854.2A patent/CN106117039B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB591858A (en) * | 1944-05-30 | 1947-09-01 | Walter Norman Haworth | Improvements relating to the manufacture of 5-hydroxy-methyl furfural or levulinic acid |
| GB600871A (en) * | 1945-10-17 | 1948-04-21 | Walter Norman Haworth | Improvements relating to the manufacture of 5-hydroxymethyl 2-furfural |
| JPS49129686A (en) * | 1973-04-18 | 1974-12-12 | ||
| CN104725337A (en) * | 2015-03-06 | 2015-06-24 | 四川大学 | Method for synthesizing 5-hydroxymethylfurfural through carbon dioxide promoted carbohydrate |
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| Title |
|---|
| Full, Reactive Solubilization of Humin Byproducts by Alkaline Treatment and Characterization of the Alkali-Treated Humins Formed;Ilona van Zandvoort等;《ACS Sustainable Chem. Eng.》;20151231;第3卷;第533-543页 * |
| Steam reforming of acetic acid-A major component in the volatiles formed during gasification of humin;T.M.C.Hoang等;《Applied Catalysis B:Environmental》;20140731;第163卷;第74-82页 * |
| 水热条件下酸催化氧化木质纤维生物质制取乙酸;李江等;《Acta Chim. Sinica》;20141231;第72卷;第1223-1227页 * |
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Application publication date: 20161116 Assignee: Guangdong Jialin New Materials Co.,Ltd. Assignor: DONGGUAN University OF TECHNOLOGY Contract record no.: X2022980024349 Denomination of invention: A method for preparing sodium acetate from humin Granted publication date: 20180731 License type: Common License Record date: 20221201 |
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Application publication date: 20161116 Assignee: Guangzhou Senyu automation machinery design Co.,Ltd. Assignor: DONGGUAN University OF TECHNOLOGY Contract record no.: X2022980027704 Denomination of invention: A method for preparing sodium acetate from humin Granted publication date: 20180731 License type: Common License Record date: 20221230 |