CN102605109A - Method for producing xylose by sugarcane leaves - Google Patents
Method for producing xylose by sugarcane leaves Download PDFInfo
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- CN102605109A CN102605109A CN2012100857720A CN201210085772A CN102605109A CN 102605109 A CN102605109 A CN 102605109A CN 2012100857720 A CN2012100857720 A CN 2012100857720A CN 201210085772 A CN201210085772 A CN 201210085772A CN 102605109 A CN102605109 A CN 102605109A
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Abstract
The invention relates to a method for producing xylose by sugarcane leaves, which comprises the following steps: carrying out fore treatment and pretreatment on the raw material sugarcane leaves to decontaminate, acid hydrolyzing the raw material by a high-temperature cooking and steaming manner, and filtering to obtain a hydrolysate; carrying out three times of concentration and three times of ion-exchange and decoloration on the hydrolysate to obtain a low-concentration xylose solution; concentrating the low-concentration xylose solution to obtain a high-concentration xylose syrup; and crystallizing or spray drying the syrup so as to obtain powdered sugar. The process is simple; multistage ion-exchange and decoloration are carried out, deacidification is not needed in the process; the quality of product is good, the production cost is low, the salt content of discharge of sewage is less, and less three wastes are generated.
Description
Technical field
The present invention relates to prepare the method for wood sugar.It specifically is a kind of method of producing wood sugar with Caulis Sacchari sinensis leaf.
Background technology
Wood sugar is the important function five-carbon sugar; Have low in calories, high sugariness, not by human consumption and can make in the body bifidus bacillus increment; The characteristics that are of value to intestinal health are important source material of producing Xylitol, in industries such as food, medicine, chemical industry, are widely used.The raw material that is used to extract wood sugar at present mainly is agricultural wastes such as semicellulose raw material such as corn cob, cotton seed hulls, bagasse.Cane sugar manufacture is the mainstay industry in Guangxi, the plantation amount whole nation first of sugarcane.Behind the results sugarcane, Caulis Sacchari sinensis leaf is by a large amount of burnings, or abandons in Tanaka's natural degradation and make fertilizer, the wasting of resources.If extract wood sugar with it, resource is fully used, protected environment again, also can produce good economic benefits.The staple such as the table 1 of Caulis Sacchari sinensis leaf.
Table 1: Caulis Sacchari sinensis leaf staple
The key of wood sugar preparation is from the raw material Caulis Sacchari sinensis leaf, to extract wood sugar.The leaching process of wood sugar will accomplish that not only semicellulose is decomposed into reducing sugars such as wood sugar fully, but also will guarantee that the furfural class amount of substance that the wood sugar degraded generates will lack.Once semicellulose raw materials such as corn cob, bagasse, rice husk, stalk are extracted the preparation wood sugar both at home and abroad and carried out a large amount of research.But with the Caulis Sacchari sinensis leaf is domestic and international the research then seldom of technology of raw material production wood sugar.Cui Sufen etc. prepare in the Caulis Sacchari sinensis leaf resource utilization in the Study on Key Technique (Guangxi University, 2009.) of wood sugar and have studied steam explosion pre-treatment Caulis Sacchari sinensis leaf, sulfuric acid catalysis hydrolysis explosion Caulis Sacchari sinensis leaf, and the Caulis Sacchari sinensis leaf hydrolyzed solution separates technological processs such as purification.Lei Guanghong etc. are at " Caulis Sacchari sinensis leaf steam blasting procedure extracts the technical study of wood sugar " (food science and technology; 2009 the 34th the 8th phases of volume) studied in that steam explosion combined acid degradation treatment Caulis Sacchari sinensis leaf extracts quick-fried broken pressure in the wood sugar process, asks when dimension is pressed, solid-liquid ratio, granularity etc. are to the influence of wood sugar stripping quantity; Tentatively inquired into steam explosion mechanism, shown that the steam explosion processing mode can promote the Caulis Sacchari sinensis leaf acid-catalyzed hydrolysis to extract wood sugar.
The technology that the traditional hydrolysis of hemicellulose of industry prepares wood sugar all is to adopt the method for sulphuric acid hydrolysis basically, produces a large amount of saline sewage and waste residue in the whole process, and is difficult to biochemical treatment, and environmental pollution is heavier.
Summary of the invention
The deficiency that the objective of the invention is to overcome prior art provides a kind of method of producing wood sugar with Caulis Sacchari sinensis leaf.
The technical scheme that the present invention solves the problems of the technologies described above is following:
A kind of method of producing wood sugar with Caulis Sacchari sinensis leaf; This method is carried out the pre-treatment removal of impurities to the raw material Caulis Sacchari sinensis leaf; The mode of taking high temperature steaming to removal of impurities after raw material carry out acid hydrolysis and get hydrolyzed solution, hydrolyzed solution concentrates through three times, three times from hand over and decolour low concentration wood sugar liquid; Through concentrate high density wood sugar syrup, the syrup crystallization is got Icing Sugar.Concrete steps are following:
1) pre-treatment removal of impurities:, dry and be crushed to greater than 60 order Caulis Sacchari sinensis leaf powder with Caulis Sacchari sinensis leaf clear water washing; Obtain the Caulis Sacchari sinensis leaf powder after the pre-treatment removal of impurities;
2) acid hydrolysis: be 0.1%～0.5% sulfuric acid with the Caulis Sacchari sinensis leaf powder and the mass percentage concentration of step 1) with liquid volume and solid masses ratio be to mix in 8: 1～12: 1; Boiling 0.3-1h under 80～105 ℃ of conditions; Obtain the Caulis Sacchari sinensis leaf mixture after the acid hydrolysis; With the Caulis Sacchari sinensis leaf mixture, to cross and filter solid materials, filtrating discards;
3) high temperature steaming: with step 2) gained solid materials and Hydrogen chloride or dilute formic acid are 8: 1～12: 1 ratio thorough mixing with liquid volume and solid masses ratio, wherein: the mass percentage concentration 0.5%～1.5% of Hydrogen chloride; The mass percentage concentration of dilute formic acid is 5%～9%; Obtain mixture; Mixture is under 105～125 ℃ of conditions, and boiling hydrolysis 2～4h obtains hydrolysed mix in steam cooker, and hydrolysed mix is filtered, and obtains hydrolyzed solution;
4) purifying
(1) hydrolyzed solution is carried out the activated carbon decolorizing first time earlier, concentrates from friendship desalination and vacuum decompression, the hammer degree that concentrates posthydrolysis liquid is 5～8 ° of Bx; Carry out the activated carbon decolorizing second time again, concentrate from friendship desalination and vacuum decompression, the hammer degree that concentrates posthydrolysis liquid is 10～15 ° of Bx; Carry out for the third time activated carbon decolorizing at last, from handing over desalination and vacuum decompression to concentrate, the hammer degree that concentrates posthydrolysis liquid is 25～35 ° of Bx, obtains the hydrolyzed solution behind the purifying;
Wherein: decolour, adopt Powdered Activated Carbon, the amount that adds gac 3～7g by hydrolyzed solution 100mmL adds gac, is incubated 30-60min down at 60～80 ℃ behind the adding gac and carries out adsorption bleaching; Desalination adopts the negative and positive anion-cation exchange resin to carry out desalination by the negative and positive negative and positive from the friendship program;
5) crystallization
Earlier the hydrolyzed solution vacuum decompression behind the purifying is concentrated to 50-80 ° of Bx; Carry out crystallization then, temperature drops to 25-35 ℃ from 60-70 ℃, and control is per hour lowered the temperature 0.5-2 ℃; Separate after the purity of xylose crystallization until obtaining; Stay xylose crystalline, use to contain concentration expressed in percentage by volume, obtain purity of xylose as 30%-40% alcohol liquid wash crystallization.
The invention has the beneficial effects as follows:
1. adopt the inventive method to produce wood sugar, make raw materials cost low with Caulis Sacchari sinensis leaf.
2. the inventive method is carried out the boiling hydrolysis and is not adopted sulphuric acid hydrolysis with hydrochloric acid or formic acid, and follow-up desalination is simple, and WWT is convenient.Utilize the zwitterion exchange column that the pH of hydrolyzed solution is adjusted, without exogenously added alkali neutralizing hydrolysis liquid, technical process is easy, and production cost is low, superior product quality, and it is high to produce sugar producing rate.Operation in the technology of the present invention all is proven technique and equipment, is fit to commercial scale prodn.
3. the operation in the technology of the present invention all is proven technique and equipment, is fit to commercial scale prodn.
Embodiment
Below in conjunction with embodiment the present invention is further described.
Embodiment 1
(1), dries that to be ground into 60 purpose powder subsequent use with after the Caulis Sacchari sinensis leaf clear water washing;
(2) get the dilute sulphuric acid thorough mixing that 100 gram Caulis Sacchari sinensis leaf powder add 800mL mass percent 0.5%, boiling 0.3h under 105 ℃ condition then;
(3) the Caulis Sacchari sinensis leaf mixture filters after the pre-treatment, and filtrating discards, solid materials 88.3 grams, again to add 1068mL mass percent 1.5% Hydrogen chloride thorough mixing, afterwards under 121 ℃ of conditions, boiling hydrolysis 2h in steam cooker;
(4) hydrolysis after-filtration gained hydrolyzed solution 870mL, through three decolouring desalinations, three times are concentrated; Powdered Activated Carbon is adopted in decolouring, adds the 26.1g gac, and 60 ℃ are incubated 60min down; Hydrolyzed solution is decoloured, adopt anion-cation exchange resin to carry out desalination, leave the friendship program by the negative and positive negative and positive; Hydrolyzed solution spissated hammer degree for the first time is 8 ° of Bx, and spissated hammer degree is 15 ° of Bx for the second time, and spissated for the third time hammer degree is 35 ° of Bx;
(5) purifying posthydrolysis liquid is concentrated to 55 ° of Bx crystallizations, and temperature cools to 30 ℃ from 65 ℃, and control per hour reduces by 2 ℃ of temperature, until obtaining purity of xylose.Separate after the crystallization,, obtain crystal 18.65 grams with containing the washing of percent by volume 40% alcohol liquid.
The brilliant wood sugar of electrical conductive joint behind the purifying behind the hydrolyzed solution hydrolyzed solution purifying
Reducing sugar yield (%) wood sugar yield (%) colour (ms/cm) purity (%)
25.63 18.64 ?627 15.42 99.13
Embodiment 2
(1), dries that to be ground into 80 purpose powder subsequent use with after the Caulis Sacchari sinensis leaf clear water washing;
(2) get 100g Caulis Sacchari sinensis leaf powder, adding 1000mL mass percent is 0.1% dilute sulphuric acid thorough mixing, boiling 0.6h under 100 ℃ condition then;
(3) the Caulis Sacchari sinensis leaf mixture filters after the pre-treatment, and filtrating discards, solid materials 86.7g, with the Hydrogen chloride thorough mixing of 688mL mass percent 1.0%, afterwards under 125 ℃ of conditions, boiling hydrolysis 4h in steam cooker;
(4) hydrolysis after-filtration gained hydrolyzed solution 531mL, through three decolouring desalinations, three times are concentrated; Powdered Activated Carbon is adopted in decolouring, adds the 26.5g gac, and 70 ℃ are incubated 30min down; Hydrolyzed solution is decoloured, adopt anion-cation exchange resin to carry out desalination, leave the friendship program by the negative and positive negative and positive; Hydrolyzed solution spissated hammer degree for the first time is 6 ° of Bx, and spissated hammer degree is 10 ° of Bx for the second time, and spissated for the third time hammer degree is 25 ° of Bx;
(5) purifying posthydrolysis liquid is concentrated to 75 ° of Bx crystallizations, and temperature cools to 25 ℃ from 60 ℃, and control per hour reduces by 1 ℃ of temperature, until obtaining purity of xylose.Separate after the crystallization,, obtain crystal 2 2.71g with containing the washing of percent by volume 35% alcohol liquid.
The brilliant wood sugar of electrical conductive joint behind the purifying behind the hydrolyzed solution hydrolyzed solution purifying
Reducing sugar yield (%) wood sugar yield (%) colour (ms/cm) purity (%)
31.81 22.70 794 19.55 99.18
Embodiment 3
(1), dries that to be ground into 100 purpose powder subsequent use with after the Caulis Sacchari sinensis leaf clear water washing;
(2) get 100g Caulis Sacchari sinensis leaf powder, adding 1200mL mass percent is 0.4% dilute sulphuric acid thorough mixing, boiling 0.8h under 90 ℃ condition then;
(3) the Caulis Sacchari sinensis leaf mixture filters after the pre-treatment, and filtrating discards, solid materials 82.3g, with the dilute formic acid thorough mixing of 984mL mass percent 7%, afterwards under 110 ℃ of conditions, boiling hydrolysis 5h in steam cooker;
(4) hydrolysis after-filtration gained hydrolyzed solution 836mL, through three decolouring desalinations, three times are concentrated; Powdered Activated Carbon is adopted in decolouring, adds the 50.1g gac, and 80 ℃ are incubated 40min down; Hydrolyzed solution is decoloured, adopt anion-cation exchange resin to carry out desalination, leave the friendship program by the negative and positive negative and positive; Hydrolyzed solution spissated hammer degree for the first time is 6 ° of Bx, and spissated hammer degree is 13 ° of Bx for the second time, and spissated for the third time hammer degree is 30 ° of Bx;
(5) purifying posthydrolysis liquid is concentrated to 65 ° of Bx crystallizations, and temperature cools to 32 ℃ from 60 ℃, and control per hour reduces by 1.5 ℃ of temperature, until obtaining purity of xylose.Separate after the crystallization,, obtain crystal 2 5.37g with containing the washing of percent by volume 30% alcohol liquid.
The brilliant wood sugar of electrical conductive joint behind the purifying behind the hydrolyzed solution hydrolyzed solution purifying
Reducing sugar yield (%) wood sugar yield (%) colour (ms/cm) purity (%)
34.63 25.37 563 17.49 99.37
Embodiment 4
(1), dries that to be ground into 100 purpose powder subsequent use with after the Caulis Sacchari sinensis leaf clear water washing;
(2) remove 100g Caulis Sacchari sinensis leaf powder, with the 1000mL mass percent be 0.3% dilute sulphuric acid thorough mixing, boiling 0.5h under 100 ℃ condition then;
(3) the Caulis Sacchari sinensis leaf mixture filters after the pre-treatment, and filtrating discards, solid materials 86.4g, with the 864mL mass percent be 10% dilute formic acid thorough mixing, afterwards under 105 ℃ of conditions, boiling hydrolysis 3h in steam cooker;
(4) hydrolysis after-filtration gained hydrolyzed solution 735mL, through three decolouring desalinations, three times are concentrated; Powdered Activated Carbon is adopted in decolouring, adds the 44.1g gac, and 70 ℃ are incubated 50min down; Hydrolyzed solution is decoloured, adopt anion-cation exchange resin to carry out desalination, leave the friendship program by the negative and positive negative and positive; Hydrolyzed solution spissated hammer degree for the first time is 6 ° of Bx, and spissated hammer degree is 13 ° of Bx for the second time, and spissated for the third time hammer degree is 33 ° of Bx;
(5) purifying posthydrolysis liquid is concentrated to 50 ° of Bx crystallizations, and temperature cools to 35 ℃ from 60 ℃, and control per hour reduces by 0.5 ℃ of temperature, until obtaining purity of xylose.Separate after the crystallization, with containing the volume percentage
Several 40% alcohol liquid washings obtain crystal 2 3.62g.
The brilliant wood sugar of electrical conductive joint behind the purifying behind the hydrolyzed solution hydrolyzed solution purifying
Reducing sugar yield (%) wood sugar yield (%) colour (ms/cm) purity (%)
33.24 23.61 647 16.98 99.25
Embodiment 5
(1), dries that to be ground into 60 purpose powder subsequent use with after the Caulis Sacchari sinensis leaf clear water washing;
(2) remove 100g Caulis Sacchari sinensis leaf powder, with the dilute sulphuric acid thorough mixing of 1000mL mass percent 0.2%, boiling 1h under 80 ℃ condition then;
(3) the Caulis Sacchari sinensis leaf mixture filters after the pre-treatment, and filtrating discards, solid materials 90.5g, with the Hydrogen chloride thorough mixing of 1086mL mass percent 0.5%, afterwards under 120 ℃ of conditions, boiling hydrolysis 4h in steam cooker;
(4) hydrolysis after-filtration gained hydrolyzed solution 873mL, through three decolouring desalinations, three times are concentrated; Powdered Activated Carbon is adopted in decolouring, adds the 52.4g gac, and 75 ℃ are incubated 40min down; Hydrolyzed solution is decoloured, adopt anion-cation exchange resin to carry out desalination, leave the friendship program by the negative and positive negative and positive; Hydrolyzed solution spissated hammer degree for the first time is 7 ° of Bx, and spissated hammer degree is 13 ° of Bx for the second time, and spissated for the third time hammer degree is 28 ° of Bx;
(5) purifying posthydrolysis liquid is concentrated to 80 ° of Bx crystallizations, and temperature cools to 35 ℃ from 70 ℃, and control per hour reduces by 0.5 ℃ of temperature, until obtaining purity of xylose.Separate after the crystallization,, obtain crystal 12.95g with containing the washing of percent by volume 35% alcohol liquid.
The brilliant wood sugar of electrical conductive joint behind the purifying behind the hydrolyzed solution hydrolyzed solution purifying
Reducing sugar yield (%) wood sugar yield (%) colour (ms/cm) purity (%)
23.14 12.84 436 15.37 99.45
Claims (1)
1. a method of producing wood sugar with Caulis Sacchari sinensis leaf is characterized in that, the raw material Caulis Sacchari sinensis leaf is carried out the pre-treatment removal of impurities; The mode of taking high temperature steaming to removal of impurities after raw material carry out acid hydrolysis and get hydrolyzed solution; Hydrolyzed solution concentrates through three times, three times from hand over and decolour low concentration wood sugar liquid, through concentrate high density wood sugar syrup; The syrup crystallization is got Icing Sugar, and concrete steps are following:
1) pre-treatment:
With Caulis Sacchari sinensis leaf clear water washing, dry and be crushed to greater than 60 order Caulis Sacchari sinensis leaf powder; Obtain the Caulis Sacchari sinensis leaf powder after the pre-treatment removal of impurities;
2) pre-treatment removal of impurities:
Be 0.1%～0.5% sulfuric acid with the Caulis Sacchari sinensis leaf powder of step 1) and mass percentage concentration with liquid volume and solid masses ratio be to mix in 8: 1～12: 1; Boiling 0.3～1h under 80～105 ℃ condition; Obtain the Caulis Sacchari sinensis leaf mixture after the acid hydrolysis; With the Caulis Sacchari sinensis leaf mixture, to cross and filter solid materials, filtrating discards;
3) high temperature steaming acid hydrolysis:
With step 2) gained solid materials and Hydrogen chloride or dilute formic acid be 8: 1～12: 1 ratio thorough mixing with liquid volume and solid masses ratio, wherein: the mass percentage concentration 0.5%～1.5% of Hydrogen chloride; The mass percentage concentration of dilute formic acid is 5%～10%; Obtain mixture; Mixture is under 105～125 ℃ of conditions, and boiling hydrolysis 2～5h obtains hydrolysed mix in steam cooker, and hydrolysed mix is filtered, and obtains hydrolyzed solution;
4) purifying
(1) hydrolyzed solution is carried out the activated carbon decolorizing first time earlier, concentrates from friendship desalination and vacuum decompression, the hammer degree that concentrates posthydrolysis liquid is 5～8 ° of Bx; Carry out the activated carbon decolorizing second time again, concentrate from friendship desalination and vacuum decompression, the hammer degree that concentrates posthydrolysis liquid is 10～15 ° of Bx; Carry out for the third time activated carbon decolorizing at last, from handing over desalination and vacuum decompression to concentrate, the hammer degree that concentrates posthydrolysis liquid is 25～35 ° of Bx, obtains the hydrolyzed solution behind the purifying;
Wherein: decolour, adopt Powdered Activated Carbon, the amount that adds gac 3～7g by hydrolyzed solution 100mmL adds gac, is incubated 30～60min down at 60～80 ℃ behind the adding gac and carries out adsorption bleaching; Desalination adopts the negative and positive anion-cation exchange resin to carry out desalination by the negative and positive negative and positive from the friendship program;
5) crystallization
Earlier the hydrolyzed solution vacuum decompression behind the purifying is concentrated to 50～80 ° of Bx; Carry out crystallization then, temperature drops to 25～35 ℃ from 60～70 ℃, and control is per hour lowered the temperature 0.5～2 ℃; Separate after the purity of xylose crystallization until obtaining; Stay xylose crystalline, it is 30%～40% alcohol liquid wash crystallization that use contains concentration expressed in percentage by volume, obtains purity of xylose.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103320548A (en) * | 2013-06-24 | 2013-09-25 | 稼禾生物股份有限公司 | Method for preparing xylooligosaccharide and cellulose by using crop straws |
| CN103409565A (en) * | 2013-07-26 | 2013-11-27 | 山东福田药业有限公司 | Preparation technology of xylose |
| CN103555864A (en) * | 2013-10-22 | 2014-02-05 | 广西金麦克生物科技有限公司 | Preparation method for xylose |
| RU2643724C1 (en) * | 2017-04-06 | 2018-02-05 | Общество с ограниченной ответственностью "Петровский фарватер" | Method for processing vegetable raw material for preparation of xylose-containing hydrolysates, for producing xylitol |
| CN109207646A (en) * | 2018-11-16 | 2019-01-15 | 山东福田药业有限公司 | A kind of preparation method of xylose |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0265111A2 (en) * | 1986-10-20 | 1988-04-27 | Imperial Chemical Industries Plc | Process for the production of xylose |
| CN101665523A (en) * | 2009-09-30 | 2010-03-10 | 济南圣泉集团股份有限公司 | Method for producing L-arabinose and D-xylose |
| CN102134616A (en) * | 2011-01-28 | 2011-07-27 | 中国科学院过程工程研究所 | Method for fully utilizing biobased products prepared by semicellulose of straws as well as components thereof |
-
2012
- 2012-03-28 CN CN2012100857720A patent/CN102605109A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0265111A2 (en) * | 1986-10-20 | 1988-04-27 | Imperial Chemical Industries Plc | Process for the production of xylose |
| EP0265111B1 (en) * | 1986-10-20 | 1992-03-18 | Imperial Chemical Industries Plc | Process for the production of xylose |
| CN101665523A (en) * | 2009-09-30 | 2010-03-10 | 济南圣泉集团股份有限公司 | Method for producing L-arabinose and D-xylose |
| CN102134616A (en) * | 2011-01-28 | 2011-07-27 | 中国科学院过程工程研究所 | Method for fully utilizing biobased products prepared by semicellulose of straws as well as components thereof |
Non-Patent Citations (1)
| Title |
|---|
| 雷光鸿，等: "甘蔗叶蒸汽爆破法提取木糖的工艺研究", 《食品科技》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103320548A (en) * | 2013-06-24 | 2013-09-25 | 稼禾生物股份有限公司 | Method for preparing xylooligosaccharide and cellulose by using crop straws |
| CN103409565A (en) * | 2013-07-26 | 2013-11-27 | 山东福田药业有限公司 | Preparation technology of xylose |
| CN103409565B (en) * | 2013-07-26 | 2015-04-22 | 山东福田药业有限公司 | Preparation technology of xylose |
| CN103555864A (en) * | 2013-10-22 | 2014-02-05 | 广西金麦克生物科技有限公司 | Preparation method for xylose |
| CN103555864B (en) * | 2013-10-22 | 2015-07-22 | 广西金麦克生物科技有限公司 | Preparation method for xylose |
| RU2643724C1 (en) * | 2017-04-06 | 2018-02-05 | Общество с ограниченной ответственностью "Петровский фарватер" | Method for processing vegetable raw material for preparation of xylose-containing hydrolysates, for producing xylitol |
| CN109207646A (en) * | 2018-11-16 | 2019-01-15 | 山东福田药业有限公司 | A kind of preparation method of xylose |
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Inventor after: Li Jianbin Inventor after: Wei Chenghou Inventor after: Cui Sufen Inventor after: Luo Zuoqing Inventor after: Lei Guanghong Inventor after: Cao Min Inventor after: Wang Yuanchun Inventor after: Huang Zhonghua Inventor before: Li Jianbin Inventor before: Wei Chenghou Inventor before: Cui Sufen Inventor before: Luo Zuoqing Inventor before: Lei Guanghong Inventor before: Cao Min Inventor before: Huang Yingchun |
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Application publication date: 20120725 |