CN110368817A - A kind of device and technique removing xylose solution inorganic acid - Google Patents
A kind of device and technique removing xylose solution inorganic acid Download PDFInfo
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- CN110368817A CN110368817A CN201910702507.4A CN201910702507A CN110368817A CN 110368817 A CN110368817 A CN 110368817A CN 201910702507 A CN201910702507 A CN 201910702507A CN 110368817 A CN110368817 A CN 110368817A
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- Prior art keywords
- reverse osmosis
- inorganic acid
- separation system
- level
- osmosis membrane
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- SRBFZHDQGSBBOR-IOVATXLUSA-N D-xylopyranose Chemical compound O[C@@H]1COC(O)[C@H](O)[C@H]1O SRBFZHDQGSBBOR-IOVATXLUSA-N 0.000 title claims abstract description 74
- PYMYPHUHKUWMLA-UHFFFAOYSA-N arabinose Natural products OCC(O)C(O)C(O)C=O PYMYPHUHKUWMLA-UHFFFAOYSA-N 0.000 title claims abstract description 37
- SRBFZHDQGSBBOR-UHFFFAOYSA-N beta-D-Pyranose-Lyxose Natural products OC1COC(O)C(O)C1O SRBFZHDQGSBBOR-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 150000007522 mineralic acids Chemical class 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000012528 membrane Substances 0.000 claims abstract description 63
- 238000000926 separation method Methods 0.000 claims abstract description 61
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 45
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 35
- 239000007788 liquid Substances 0.000 claims abstract description 31
- 238000004587 chromatography analysis Methods 0.000 claims abstract description 20
- 239000002253 acid Substances 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000011347 resin Substances 0.000 claims description 52
- 229920005989 resin Polymers 0.000 claims description 52
- 239000000243 solution Substances 0.000 claims description 39
- 239000000385 dialysis solution Substances 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 7
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Chemical compound OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims description 3
- 239000012141 concentrate Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- NAOLWIGVYRIGTP-UHFFFAOYSA-N 1,3,5-trihydroxyanthracene-9,10-dione Chemical compound C1=CC(O)=C2C(=O)C3=CC(O)=CC(O)=C3C(=O)C2=C1 NAOLWIGVYRIGTP-UHFFFAOYSA-N 0.000 claims description 2
- 238000010828 elution Methods 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims description 2
- 230000008595 infiltration Effects 0.000 claims 1
- 238000001764 infiltration Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000003729 cation exchange resin Substances 0.000 abstract description 4
- 239000002351 wastewater Substances 0.000 abstract description 3
- 239000003513 alkali Substances 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract description 2
- TVXBFESIOXBWNM-UHFFFAOYSA-N Xylitol Natural products OCCC(O)C(O)C(O)CCO TVXBFESIOXBWNM-UHFFFAOYSA-N 0.000 description 3
- HEBKCHPVOIAQTA-UHFFFAOYSA-N meso ribitol Natural products OCC(O)C(O)C(O)CO HEBKCHPVOIAQTA-UHFFFAOYSA-N 0.000 description 3
- 235000010447 xylitol Nutrition 0.000 description 3
- 239000000811 xylitol Substances 0.000 description 3
- HEBKCHPVOIAQTA-SCDXWVJYSA-N xylitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)CO HEBKCHPVOIAQTA-SCDXWVJYSA-N 0.000 description 3
- 229960002675 xylitol Drugs 0.000 description 3
- 239000000126 substance Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 206010012601 diabetes mellitus Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 230000000050 nutritive effect Effects 0.000 description 1
- 235000021092 sugar substitutes Nutrition 0.000 description 1
- 239000003765 sweetening agent Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
- B01D15/08—Selective adsorption, e.g. chromatography
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/58—Multistep processes
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
- C07H1/00—Processes for the preparation of sugar derivatives
- C07H1/06—Separation; Purification
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
- C07H3/00—Compounds containing only hydrogen atoms and saccharide radicals having only carbon, hydrogen, and oxygen atoms
- C07H3/02—Monosaccharides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/025—Reverse osmosis; Hyperfiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/145—Ultrafiltration
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Biotechnology (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Molecular Biology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Water Supply & Treatment (AREA)
- Analytical Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a kind of devices for removing xylose solution inorganic acid, including the ultrafiltration membrane system, reverse osmosis membrane separation system and continuous chromatography separation system being sequentially connected, the liquid feeding end of reverse osmosis membrane separation system is connected with the penetrating fluid outlet conduit of ultrafiltration membrane system, and the liquid feeding end of continuous chromatography separation system is connected with the concentrated solution outlet pipeline of reverse osmosis membrane separation system.The invention also discloses a kind of techniques for removing xylose solution inorganic acid, using the device of above-mentioned removing xylose solution inorganic acid.The present invention replaces traditional anion-cation exchange resin fixed bed with continuous chromatography separation system, does not generate acid, alkali waste water in entire production process, and the consumption of water largely reduces, and the inorganic acid for recycling generation is reusable, reduces production cost.
Description
Technical field
The invention belongs to xylitol production technical field, in particular to a kind of device and work for removing xylose solution inorganic acid
Skill.
Background technique
Xylitol is the intermediate of a kind of sweet substance with nutritive value and human body carbohydate metabolism, is most suitable
The sugar substitutes of the trophism of patients with diabetes mellitus.Mainly pass through chemical catalysis adds hydrogen to industrialized production xylitol at present
Method, this method is mature and stable, but the process of separating-purifying xylose is more, by-product is more, and integrated artistic is outmoded.Existing xylose process is de-
Except inorganic acid is by multistage anion-cation exchange resin.Major defect existing for the technique: 1, occupation area of equipment is big.2, from
Son exchange is all using fixed bed, and soda acid, water consumption are big.
Summary of the invention
In view of the above-mentioned problems, the purpose of the present invention is to provide a kind of device and technique for removing xylose solution inorganic acid,
Water consumption is big when solving anion-cation exchange resin technique removing inorganic acid in the prior art and generates a large amount of acidic and alkaline waste waters
Problem.
To achieve the goals above, The technical solution adopted by the invention is as follows:
It is a kind of remove xylose solution inorganic acid device, including be sequentially connected ultrafiltration membrane system, reverse osmosis membrane separation system and
Continuous chromatography separation system, the liquid feeding end of the reverse osmosis membrane separation system and the penetrating fluid outlet conduit of the ultrafiltration membrane system
It is connected, the liquid feeding end of the continuous chromatography separation system is connected with the concentrated solution outlet pipeline of the reverse osmosis membrane separation system.
Further, the ultrafiltration membrane system includes sequentially connected level-one head tank, level-one valve, level-one conveying
The dialyzate outlet of pump, ultrafiltration film unit and dialysis fluid container, the ultrafiltration film unit is connected with dialysis fluid container, and concentrated solution outlet is logical
It crosses level-one return pipe to be connected with level-one head tank, the level-one return pipe is equipped with level-one heat-exchanger rig.
Wherein, ultrafiltration membrane used by the ultrafiltration film unit is tubular ultra-filtration membrane, and aperture is 50~200nm
Further, the reverse osmosis membrane separation system includes sequentially connected secondary raw materials tank, second level valve, second level conveying
Pump, reverse osmosis membrane separation unit and material liquid tank, the secondary raw materials tank is connected with the dialysis fluid container pipeline, described reverse osmosis
The concentrated solution outlet of film separation unit is connected with material liquid tank, and dialyzate outlet is connected by second level return pipe with secondary raw materials tank,
Second level return pipe is equipped with secondary heat exchange device.
Wherein, reverse osmosis membrane used by the reverse osmosis membrane separation unit be high pressure reverse osmosis membrane, pressure be 45~
55bar。
Further, it is equipped in the continuous chromatography separation system along the circumferential direction uniformly distributed and according to the fixed cycle
At least 2 resin columns of rotation, the interior resin filled with for separating inorganic acid and xylose of every resin column.
Further, the continuous chromatography separation system includes 10 resin columns, the continuous chromatography separation system
It is divided into 4 regions, each region composition is as follows:
Feed zone: including 1 resin column, and the concentrate generated through the filtering of reverse osmosis membrane separation system is redirected back into the resin column,
The feed liquid come out from the resin column enters intermediate batch can and carries out secondary separation.
Secondary separation area: including 3 resin columns, and 3 resin columns are sequentially connected in series, and the feed liquid of intermediate batch can is through delivery pump
It reversely is pumped into secondary separation area, the feed liquid after 3 resin columns adsorb enters finished pot.
Affination area: including 3 resin columns, and 3 resin columns are sequentially connected in series, and reuse acid is reversely pumped into affination through delivery pump
Area, the feed liquid that the liquid glucose and feed zone that affination area washes out generate enter intermediate batch can together.
The area Xi Suan: including 3 resin columns, and 3 resin columns are sequentially connected in series, and pure water is pumped into through delivery pump forward direction and washes acid
Area, the acid solution that the area Xi Suan washes out enter reuse acid tank, and after the completion of elution, resin column goes successively to secondary separation area and inhaled again
It is attached.
Wherein, the resin model filled in every resin column is PCA441S04.
The invention also discloses a kind of techniques for removing xylose solution inorganic acid, using above-mentioned removing xylose solution inorganic acid
Device, include the following steps:
S1. suspended matter removes: xylose solution is filtered by ultrafiltration membrane system, is removed the suspended matter in xylose solution, is clarified
Dialyzate.
S2. solution cleans: dialyzate carries out high pressure concentration by reverse osmosis membrane separation system, obtains reverse osmosis concentration
Liquid.
S3. saccharic acid separates: reverse osmosis concentrated liquid carries out the separation of xylose and inorganic acid by continuous chromatography separation system, obtains
To the xylose solution of reuse acid and removing inorganic acid.
The invention has the following beneficial effects: providing a kind of device and technique for removing xylose solution inorganic acid, using super
Filter membrane carries out removal of impurities processing to xylose solution, carries out concentration to xylose solution using reverse osmosis membrane, is separated with continuous chromatography
System replaces traditional anion-cation exchange resin fixed bed, does not generate acid, alkali waste water in the production process of the technique, and water disappears
Consumption largely reduces, and the inorganic acid for recycling generation is reusable, reduces production cost.
Detailed description of the invention
Fig. 1 is flow diagram of the invention.
Primary clustering symbol description: 1, ultrafiltration membrane system；11, level-one head tank；12, level-one valve；13, level-one conveying
Pump；14, ultrafiltration film unit；15, dialysis fluid container；16, level-one return pipe；17, level-one heat-exchanger rig；2, reverse osmosis membrane separation system
System；21, secondary raw materials tank；22, second level valve；23, second level dehvery pump；24, reverse osmosis membrane separation unit；25, material liquid tank；26,
Second level return pipe；27, secondary heat exchange device；3, continuous chromatography separation system；301, head tank；302, the first delivery pump；303,
First transfer pipeline；304, the second transfer pipeline；305, intermediate batch can；306, the second delivery pump；307, third transfer pipeline；
308, the 4th transfer pipeline；309, finished pot；310, reuse acid tank；311, third delivery pump；312, the 5th transfer pipeline；313,
Pure water tank；314, the 4th delivery pump；315, the 6th transfer pipeline；316, the 7th transfer pipeline.
Specific embodiment
With reference to the accompanying drawings and detailed description, the present invention will be further described.
Embodiment one
As shown in Figure 1, it is a kind of remove xylose solution inorganic acid device, including be sequentially connected ultrafiltration membrane system 1, reverse osmosis membrane
Separation system 2 and continuous chromatography separation system 3.Ultrafiltration membrane system 1 includes sequentially connected level-one head tank 11, level-one valve
12, level-one dehvery pump 13, ultrafiltration film unit 14 and dialysis fluid container 15.Dialyzate outlet and the dialysis fluid container 15 of ultrafiltration film unit 14
It is connected, concentrated solution outlet is connected by level-one return pipe 16 with level-one head tank 17, and level-one return pipe 16 exchanges heat equipped with level-one
Device 17.Ultrafiltration membrane used by ultrafiltration film unit 14 is tubular ultra-filtration membrane, aperture 100nm.
Reverse osmosis membrane separation system 2 include sequentially connected secondary raw materials tank 21, second level valve 22, second level dehvery pump 23,
Reverse osmosis membrane separation unit 24 and material liquid tank 25.Secondary raw materials tank 21 is connected with 15 pipeline of dialysis fluid container, reverse osmosis membrane separation list
The concentrated solution outlet of member 24 is connected with material liquid tank 25, and dialyzate outlet is connected by second level return pipe 26 with secondary raw materials tank 21,
Second level return pipe 26 is equipped with secondary heat exchange device 27.Reverse osmosis membrane used by reverse osmosis membrane separation unit 24 is high pressure reverse osmosis
Permeable membrane, pressure 50bar.
Continuous chromatography separation system 3 includes 10 resin columns that are along the circumferential direction uniformly distributed and rotating according to the fixed cycle
(1~10#), the interior resin PCA441S04 filled with for separating inorganic acid and xylose of every resin column, continuous chromatography segregative line
3 points of system are 4 regions, and each region composition is as follows:
Feed zone: including 1 resin column (7#), the material liquid in head tank 301 is through the first delivery pump 302 via the first delivery pipe
Road 303 is redirected back into 7# resin column, the feed liquid that 7# resin column comes out via the second transfer pipeline 304 enter intermediate batch can 305 into
Row secondary separation.
Secondary separation area: including 3 resin columns (8~10#), and 3 resin columns are sequentially connected in series, intermediate batch can 305
Feed liquid is reversely pumped into 8# resin column via third transfer pipeline 307 through the second delivery pump 306, and feed liquid successively passes through 8#, 9# and 10#
Resin column, the feed liquid after separation enter in finished pot 309 via the 4th transfer pipeline 308.
Affination area: including 3 resin columns (4~6#), and 3 resin columns are sequentially connected in series, the reuse in reuse acid tank 310
Acid is reversely pumped into 4# resin column via the 5th transfer pipeline 312 through third delivery pump 311, and reuse acid successively passes through 4#, 5# and 6#
Resin column, the liquid glucose of wash-off enter intermediate batch can 305 via the second transfer pipeline 304 and carry out secondary separation.
The area Xi Suan: including 3 resin columns (1~3#), and 3 resin columns are sequentially connected in series, and the pure water of pure water tank 313 is through the
Four delivery pumps 314 are pumped into 1# resin column via 315 forward direction of the 6th transfer pipeline, and pure water successively passes through 1#, 2# and 3# resin column, washes
Acid solution out enters in reuse acid tank 310 via the 7th transfer pipeline 316.
Table 1 is the operational process parameter of above-mentioned technique:
Embodiment two
The present embodiment and the difference of embodiment one are only that: ultrafiltration membrane used by ultrafiltration film unit 14 is the pipe that aperture is 50nm
Formula ultrafiltration membrane, reverse osmosis membrane used by reverse osmosis membrane separation unit 24 are high pressure reverse osmosis membrane, pressure 45bar.This implementation
Example rest part structure and technique are the same as example 1, and table 2 is the operational process parameter of embodiment two:
Embodiment three
The present embodiment and the difference of embodiment one are only that: ultrafiltration membrane used by ultrafiltration film unit 14 is that aperture is 200nm's
Tubular ultra-filtration membrane, reverse osmosis membrane used by reverse osmosis membrane separation unit 24 are high pressure reverse osmosis membrane, pressure 55bar.This reality
It applies a rest part structure and technique is the same as example 1, table 3 is the operational process parameter of embodiment two:
Although specifically showing and describing the present invention in conjunction with preferred embodiment, those skilled in the art be should be understood that
It is not departing from the spirit and scope of the present invention defined by the appended claims, the present invention is being done in the form and details
Various change out is protection scope of the present invention.
Claims (9)
1. a kind of device for removing xylose solution inorganic acid, it is characterised in that: including the ultrafiltration membrane system, reverse osmosis being sequentially connected
Film separation system and continuous chromatography separation system, the liquid feeding end of the reverse osmosis membrane separation system and the infiltration of the ultrafiltration membrane system
Transparent liquid outlet conduit is connected, and the liquid feeding end of the continuous chromatography separation system and the concentrate of the reverse osmosis membrane separation system go out
Mouth pipeline is connected.
2. a kind of device for removing xylose solution inorganic acid as described in claim 1, it is characterised in that: the ultrafiltration membrane system
System includes sequentially connected level-one head tank, level-one valve, level-one dehvery pump, ultrafiltration film unit and dialysis fluid container, the ultrafiltration
The dialyzate outlet of film unit is connected with dialysis fluid container, and concentrated solution outlet is connected by level-one return pipe with level-one head tank, institute
The level-one return pipe stated is equipped with level-one heat-exchanger rig.
3. a kind of device for removing xylose solution inorganic acid as claimed in claim 2, it is characterised in that: the ultrafiltration film unit
Used ultrafiltration membrane is tubular ultra-filtration membrane, and aperture is 50~200nm.
4. a kind of device for removing xylose solution inorganic acid as claimed in claim 2, it is characterised in that: the reverse osmosis membrane
Separation system includes sequentially connected secondary raw materials tank, second level valve, second level dehvery pump, reverse osmosis membrane separation unit and feed liquid
Tank, the secondary raw materials tank are connected with the dialysis fluid container pipeline, the concentrated solution outlet of the reverse osmosis membrane separation unit with
Material liquid tank is connected, and dialyzate outlet is connected by second level return pipe with secondary raw materials tank, and second level return pipe is equipped with secondary heat exchange
Device.
5. a kind of device for removing xylose solution inorganic acid as claimed in claim 4, it is characterised in that: the reverse osmosis membrane point
It is high pressure reverse osmosis membrane from reverse osmosis membrane used by unit, pressure is 45~55bar.
6. a kind of device for removing xylose solution inorganic acid as described in claim 1, it is characterised in that: the continuous chromatography
Equipped at least 2 resin columns along the circumferential direction uniformly distributed and according to fixed cycle rotation, every resin column in separation system
The interior resin filled with for separating inorganic acid and xylose.
7. a kind of device for removing xylose solution inorganic acid as claimed in claim 6, it is characterised in that: the continuous chromatography
Separation system includes 10 resin columns, and the continuous chromatography separation system is divided into 4 regions, and each region composition is as follows:
Feed zone: including 1 resin column, and the concentrate generated through the filtering of reverse osmosis membrane separation system is redirected back into the resin column,
The feed liquid come out from the resin column enters intermediate batch can and carries out secondary separation；
Secondary separation area: including 3 resin columns, and 3 resin columns are sequentially connected in series, and the feed liquid of intermediate batch can is reversed through delivery pump
It is pumped into secondary separation area, the feed liquid after 3 resin columns adsorb enters finished pot；
Affination area: including 3 resin columns, and 3 resin columns are sequentially connected in series, and reuse acid is reversely pumped into affination area through delivery pump,
The feed liquid that the liquid glucose and feed zone that affination area washes out generate enters intermediate batch can together；
The area Xi Suan: including 3 resin columns, and 3 resin columns are sequentially connected in series, and pure water is pumped into the area Xi Suan through delivery pump forward direction, washes
The acid solution that sour area washes out enters reuse acid tank, and after the completion of elution, resin column goes successively to secondary separation area and adsorbed again.
8. a kind of device for removing xylose solution inorganic acid as claimed in claim 6, it is characterised in that: filled out in every resin column
The resin model filled is PCA441S04.
9. a kind of technique for removing xylose solution inorganic acid, which is characterized in that using according to any one of claims 1 to 8
The device for removing xylose solution inorganic acid, includes the following steps:
S1. suspended matter removes: xylose solution is filtered by ultrafiltration membrane system, is removed the suspended matter in xylose solution, is clarified
Dialyzate；
S2. solution cleans: dialyzate carries out high pressure concentration by reverse osmosis membrane separation system, obtains reverse osmosis concentrated liquid；
S3. saccharic acid separates: reverse osmosis concentrated liquid carries out the separation of xylose and inorganic acid by continuous chromatography separation system, is returned
With the xylose solution of acid and removing inorganic acid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910702507.4A CN110368817A (en) | 2019-07-31 | 2019-07-31 | A kind of device and technique removing xylose solution inorganic acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910702507.4A CN110368817A (en) | 2019-07-31 | 2019-07-31 | A kind of device and technique removing xylose solution inorganic acid |
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| Publication Number | Publication Date |
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| CN110368817A true CN110368817A (en) | 2019-10-25 |
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ID=68257336
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910702507.4A Pending CN110368817A (en) | 2019-07-31 | 2019-07-31 | A kind of device and technique removing xylose solution inorganic acid |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI761386A (en) * | 1975-07-02 | 1977-01-03 | Sulzer Ag | |
| CN104592047A (en) * | 2014-12-24 | 2015-05-06 | 三达膜科技（厦门）有限公司 | Separation and purification method of valine |
| CN208087530U (en) * | 2018-03-08 | 2018-11-13 | 无锡绿色分离应用技术研究所有限公司 | A kind of xylose hydrolysis fluid depickling demineralizer |
| CN210434309U (en) * | 2019-07-31 | 2020-05-01 | 赛普特环保技术(厦门)有限公司 | Device for removing inorganic acid in xylose solution |
-
2019
- 2019-07-31 CN CN201910702507.4A patent/CN110368817A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI761386A (en) * | 1975-07-02 | 1977-01-03 | Sulzer Ag | |
| CN104592047A (en) * | 2014-12-24 | 2015-05-06 | 三达膜科技（厦门）有限公司 | Separation and purification method of valine |
| CN208087530U (en) * | 2018-03-08 | 2018-11-13 | 无锡绿色分离应用技术研究所有限公司 | A kind of xylose hydrolysis fluid depickling demineralizer |
| CN210434309U (en) * | 2019-07-31 | 2020-05-01 | 赛普特环保技术(厦门)有限公司 | Device for removing inorganic acid in xylose solution |
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Application publication date: 20191025 |
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| RJ01 | Rejection of invention patent application after publication |