CN113893578A - Separation and purification system and process method of hydrolysate - Google Patents
Separation and purification system and process method of hydrolysate Download PDFInfo
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- CN113893578A CN113893578A CN202111048647.8A CN202111048647A CN113893578A CN 113893578 A CN113893578 A CN 113893578A CN 202111048647 A CN202111048647 A CN 202111048647A CN 113893578 A CN113893578 A CN 113893578A
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- 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
- B01D15/10—Selective adsorption, e.g. chromatography characterised by constructional or operational features
- B01D15/18—Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to flow patterns
- B01D15/1864—Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to flow patterns using two or more columns
- B01D15/1871—Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to flow patterns using two or more columns placed in series
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- 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
- B01D15/10—Selective adsorption, e.g. chromatography characterised by constructional or operational features
- B01D15/16—Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to the conditioning of the fluid carrier
- B01D15/163—Pressure or speed conditioning
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- 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
- B01D15/42—Selective adsorption, e.g. chromatography characterised by the development mode, e.g. by displacement or by elution
- B01D15/424—Elution mode
- B01D15/426—Specific type of solvent
Abstract
The invention relates to the technical field of biochemical engineering, in particular to a separation and purification system and a process method of hydrolysate, wherein the system comprises a separation device and a collection device; each group of separating devices comprises six columns which are sequentially connected in series through a circulating pipeline; FA74-2 special separation resin is filled in the columns, and each group of collecting devices comprises a purified liquid storage tank and a raffinate storage tank; the process method comprises the following steps: delivering 35L of xylose hydrolysate to column A of the separation device, and simultaneously discharging equal amount of raffinate from column C to a raffinate storage tank; 70L of pure water is injected from the top of the column D, and an equal amount of purified liquid is discharged from the bottom of the column E to a purified liquid storage tank; internal circulation through the circulation pump 98L; injecting 70L of pure water from the top of column E, and discharging 70L of raffinate from the bottom of column D; and switching the columns, and continuously separating and purifying. By the purification system and the purification process method, the problems of high energy consumption and high production cost can be effectively solved, and the running stability of equipment can be improved.
Description
Technical Field
The invention relates to the technical field of biochemical engineering, in particular to a separation and purification system and a process method of hydrolysate.
Background
At present, in the xylose industry, the raw material is general papermaking-grade pulp, after methyl fiber is extracted to be used as viscose filament yarn, the remaining semi-fiber is used for preparing xylose, and therefore, the separation and purification are needed. The purification process of xylose hydrolysate prepared from hemicellulose of wood pulp in the industries of textile, papermaking, pulping and the like mainly comprises the steps of obtaining purified liquid through electrodialysis membrane filtration, controlling the conductivity of the purified liquid to be 4000us/cm, and then obtaining purified liquid with the conductivity of 1000us/cm through primary ion exchange resin adsorption and purification.
The electrodialysis membrane filtration purification process has the following problems:
1. the service life of the membrane is low, and the sugar leakage rate is as high as 10%;
2. the equipment stability is poor, and the maintenance period is short;
3. the power consumption is high;
4. the electric conductivity of the purified liquid can only be controlled at 4000 us/cm;
5. the running cost is high.
The ion exchange resin adsorption purification process has the following problems:
1. the resin has adsorption to sugar, and the sugar leakage rate is as high as 10%;
2. the resin needs to be regenerated by alkali or acid after being out of work, so that the regeneration cost is higher;
3. the regeneration of the resin takes a lot of time;
4. the resin is easy to break, has a long service life and high operation cost;
5. the waste resin has high requirements on environmental protection and great treatment difficulty.
Disclosure of Invention
In order to solve the technical problems, the invention provides a separation and purification system and a process method of hydrolysate, which can effectively solve the problems of high energy consumption and high production cost and can improve the running stability of equipment.
The invention is realized by adopting the following technical scheme:
a separation and purification system of hydrolysate is characterized in that: comprises at least one group of separating devices and at least one group of collecting devices; each group of separating devices comprises six cylinders which are sequentially connected in series through a circulating pipeline, the numbers of the cylinders are A-F numbers in sequence, and a discharge hole of the F-number cylinder positioned at the tail end is communicated with a feed hole of the A-number cylinder positioned at the head end through the circulating pipeline; each column body is provided with a feeding pipe and a discharging pipe, FA74-2 special separation resin which generates suction force to sugar components is filled in the column body, and an online conductivity meter, a refractometer and a valve are arranged on the discharging pipe and a circulating pipeline; the circulating pipeline is also provided with a circulating pump, and internal circulation is realized among the cylinders through the circulating pump; each group of collecting devices comprises a purified liquid storage tank and a raffinate storage tank which are respectively used for storing purified liquid and raffinate, and each discharging pipe is respectively communicated with the purified liquid storage tank and the raffinate storage tank through a three-way valve.
The online conductivity meter is characterized by further comprising a controller, wherein the controller is respectively connected with the circulating pump, the online conductivity meter, the refractometer, the valve and the three-way valve.
And stirrers are respectively arranged in the purified liquid storage tank and the raffinate storage tank.
The length-diameter ratio of the column is 8:1, volume of 3 cubic meters.
The column is filled with 2.3 cubic meters of FA74-2 special separation resin.
A separation and purification process method of hydrolysate is characterized in that: the method comprises the following steps:
a. injecting pure water of 40-45 ℃ from the top of the separation device to fill the whole separation device, wherein each group of separation device consists of six columns which are connected in series; the column numbers are A-F numbers in sequence, internal circulation is realized among the columns through a circulating pump, and meanwhile, the pressure of the columns is kept at 0.35-0.5 Mpa;
b. conveying the xylose hydrolysate after ultrafiltration to a column A of a separation device through a circulating pump, controlling the flow, feeding 35L of the xylose hydrolysate at a constant flow, and simultaneously discharging equal-volume raffinate from the column C to a raffinate storage tank; simultaneously injecting 70L of pure water with the temperature of 40-45 ℃ from the top of the column D, and simultaneously discharging an equal amount of purified liquid from the bottom of the column E to a purified liquid storage tank;
c. circulating 98L inside the separation device by a circulation pump;
d. injecting 70L of pure water with the temperature of 40-45 ℃ from the top of the column E, and simultaneously discharging 70L of raffinate from the bottom of the column D to a raffinate storage tank;
e. switching the columns, pushing the first column backwards according to the column numbers in the step b-e, and continuously separating and purifying;
f. and e, circularly performing the step e.
The purity of the purified liquid xylose in the steps b-d is more than 97%, the total acid content is 0.5%, the conductance is controlled within 1000us/cm, the xylose content is 45-55 g/L, and the refraction is 6-6.7%; the conductivity of the raffinate is 37000-41000 us/cm, the refraction is 1.8-2%, the sugar concentration is 5%, the xylose content is 0.03-0.08 g/L, and the sugar leakage rate is 1%.
Compared with the prior art, the invention has the beneficial effects that:
1. in the invention, the purified liquid with the conductance within 1000us/cm can be obtained after the semi-fiber xylose hydrolysate is purified by the separation device, the process requirement can be met only by one process, and the process flow is reduced compared with the prior art.
2. In the invention, the FA74-2 special separation resin only has certain suction force on xylose and disaccharide and can not adsorb, and has certain repulsion on acid salt, so the probability of resin pollution is reduced, and the xylose can be fully discharged through pure water, thereby effectively prolonging the service life of the resin.
3. In the invention, the separation and purification process only needs to rely on the circulating pump to provide kinetic energy, the automatic control of the automatic valve and the automatic control of the automatic meter are realized through the controller, the consumption of electric energy is less, and compared with the prior art, the energy can be effectively saved.
4. In the invention, the equipment composition is simple, the stability is high after one-time operation, and the maintenance is simple.
5. The xylose hydrolysate is conveyed to the separation and purification device at a constant flow rate so as to ensure the stable flowing speed of the materials in the cylinder, achieve a relatively stable treatment effect and meet the discharge quality.
6. In the system, pure water is used as a carrier, resin is used for generating suction to sugar components, and other substances such as other acids, salts and the like are not sucked, so that the flow speeds of the components are different, and the purposes of separation and purification are achieved. And (3) from column A to column C, so that the highest sugar component in the acid salt component discharged from column C is minimized. 70L of pure water is fed into the column D, the column E discharges the purified liquid with the same volume, and the column D and the column E are synchronous, so that the purified liquid with the electric conductance within 1000us/cm can be well obtained.
Drawings
The invention will be described in further detail with reference to the following description taken in conjunction with the accompanying drawings and detailed description, in which:
FIG. 1 is a schematic structural view of the present invention;
the labels in the figure are:
1. cylinder A, cylinder 2, B, cylinder 3, C, cylinder 4, D, cylinder 5, E, cylinder 6, F, circulating pump 7, 8, inlet pipe, 9, discharging pipe, 10, circulating line.
Detailed Description
Example 1
As a basic embodiment, the invention comprises a separation and purification system of hydrolysate, which comprises a group of separation devices and a group of collection devices. The separating device comprises six cylinders which are sequentially connected in series through a circulating pipeline 10, the numbers of the cylinders are A-F numbers in sequence, and a discharge hole of a tail end F number cylinder 6 is communicated with a feed inlet of a head end A number cylinder 1 through the circulating pipeline 10. Each cylinder is also provided with a feed pipe 8 and a discharge pipe 9. The columns are all filled with FA74-2 special separation resin with specific ionization constant (pK value) for generating suction force on sugar components. The discharge pipe 9 and the circulating pipeline 10 are provided with an online conductivity meter, a refractometer and a valve. And a circulating pump 7 is further arranged on the circulating pipeline 10, and internal circulation is realized among the columns through the circulating pump 7. The collecting device comprises a purified liquid storage tank and a raffinate storage tank which are respectively used for storing purified liquid and raffinate, and each discharging pipe 9 is respectively communicated with the purified liquid storage tank and the raffinate storage tank through a three-way valve. Or two discharge pipes 9 are arranged on each column body, valves are arranged on the two discharge pipes 9, one discharge pipe 9 is communicated with the purified liquid storage tank, and the other discharge pipe 9 is communicated with the raffinate storage tank.
Example 2
The invention comprises a separation and purification system of hydrolysate, which comprises a plurality of groups of separation devices and a group of collection devices. Each group of separating devices comprises six cylinders which are connected in series in sequence through a circulating pipeline 10, and the numbers of the cylinders are A-F numbers in sequence. The discharge hole of the F column 6 at the tail end is communicated with the feed hole of the A column 1 at the head end through a circulating pipeline 10. And a circulating pump 7 is further arranged on the circulating pipeline 10, and internal circulation is realized among the columns through the circulating pump 7. Each cylinder is provided with a feed pipe 8 and a discharge pipe 9. The collecting device comprises a purified liquid storage tank and a raffinate storage tank which are respectively used for storing the purified liquid and the raffinate. The collecting device can be positioned among a plurality of groups of separating devices, each discharging pipe 9 in the same group of separating devices is respectively connected with a purifying liquid pipe and a raffinate pipe through a three-way valve, all groups of purifying liquid pipes are connected with a purifying liquid storage tank after being gathered, and all groups of raffinate pipes are connected with a raffinate storage tank after being gathered.
The column is a carbon steel lining tetrafluoro column with phi 400 x 3000mm, FA74-2 special separation resin with a specific ionization constant (pK value) for generating suction force on sugar components is filled in the column, the resin has certain suction force on monosaccharide and disaccharide and certain repulsion on acid salt, so that the separation is realized by different flow speeds of the sugar and the acid salt in the column, and the operation temperature is not more than 50 ℃.
The discharge pipe 9 and the circulating pipeline 10 are provided with an online conductivity meter, a refractometer and a valve; the system also comprises a controller which is respectively connected with the circulating pump 7, the on-line conductivity meter, the refractometer and the valve, and the automatic control is realized by specifically adopting a Siemens PLC control system. The control method is a relatively conventional technique, so the embodiment will not be described too much.
Example 3
The invention comprises a hydrolysate separation and purification system as a best mode of the invention, which comprises a plurality of groups of separation devices and a plurality of groups of collection devices corresponding to the separation devices one by one. Each set of separation means comprises six columns connected in series in sequence by means of a circulation conduit 10. The length-diameter ratio of the column body is about 8:1, the volume is 3 cubes, the column bodies are numbered A-F in sequence, and a discharge hole of the F-shaped column body 6 at the tail end is communicated with a feed hole of the A-shaped column body 1 at the head end through a circulating pipeline 10. The circulation pipe 10 is a PPH pipe.
Each cylinder is provided with a feeding pipe 8 and a discharging pipe 9, and each group of collecting devices comprises a purified liquid storage tank and a raffinate storage tank which are respectively used for storing purified liquid and raffinate. Each discharge pipe 9 is respectively communicated with the same group of purified liquid storage tank and raffinate storage tank through a three-way valve. The purified liquid storage tank and the raffinate storage tank are also internally provided with stirrers, and the stirring speed can be 30-45 r/min.
The column is filled with 2.3 FA74-2 special separation resin with specific ionization constant (pK value), which has certain suction to monosaccharide and disaccharide and certain repulsion to acid salt, so that the sugar and the acid salt are separated at different flow rates in the column, and the operation temperature is not more than 50 ℃.
The discharge pipe 9 and the circulating pipeline 10 are provided with an online conductivity meter, a refractometer and a valve; and a circulating pump 7 is further arranged on the circulating pipeline 10, and internal circulation is realized among the columns through the circulating pump 7. The system also comprises a controller which is respectively connected with the circulating pump 7, the on-line conductivity meter, the refractometer, the valve and the three-way valve, and the automatic control is realized by specifically adopting a Siemens PLC control system.
A separation and purification process method of hydrolysate realized by using the system comprises the following steps:
a. injecting pure water of 40-45 ℃ from the top of the separation device to fill the whole separation device, wherein each group of separation device consists of six columns which are connected in series; the column numbers are A-F numbers in sequence, internal circulation is realized between the columns through a circulating pump 7, and the column pressure is kept at 0.35-0.5 Mpa.
b. Conveying the xylose hydrolysate after ultrafiltration to a column A1 of a separation device through a circulating pump 7, controlling the flow rate, feeding 35L of the xylose hydrolysate at a constant flow rate, and simultaneously discharging equal amount of residual liquid from a column C3 to a residual liquid storage tank; at the same time, 70L of pure water of 40-45 ℃ is injected from the top of the column No. D4, and an equal amount of purified liquid is discharged from the bottom of the column No. E5 to a purified liquid storage tank.
c. The separation apparatus is internally circulated 98L by the circulation pump 7.
d. 70L of pure water of 40-45 ℃ was fed from the top of column No. E5, while 70L of raffinate was discharged from the bottom of column No. D4 to a raffinate storage tank.
e. Switching columns, pushing the column I backwards according to the column numbers in the steps B-E to continue separation and purification, namely, feeding xylose hydrolysate from the column B2, discharging raffinate from the column D4, feeding pure water into the column E5 and purifying liquid from the column F6; after internal circulation is again performed, pure water is supplied from column F6, and the raffinate is discharged from column E5.
f. And e, circularly performing the step e, namely performing separation and purification after column switching is performed again. Feeding xylose hydrolysate from column C3, discharging raffinate from column E5, feeding pure water into column F6, and discharging purified liquid from column A1; after internal circulation is again performed, pure water is supplied from column A1, and the raffinate is discharged from column F6. And circulating until all xylose hydrolysate is separated and purified.
Example 4
As a preferred embodiment of the present invention, the system adopted in this embodiment is the same as that of embodiment 3, and includes a separation and purification process method of hydrolysate, which specifically includes the following steps:
a. injecting 40-45 deg.C pure water from the top of six columns via feed pipe 8 to fill the whole columns, the numbers of the columns are A-F, and the columns are internally circulated by circulating pump 7 while maintaining the pressure of the columns at 0.35-0.5 MPa.
b. The controller controls the circulation pump 7 to be opened, the xylose hydrolysate after ultrafiltration is conveyed into the column body 3C from the feed pipe 8 of the column body 3C, the flow rate is controlled by the variable frequency motor, the xylose hydrolysate 35L is fed at a constant flow rate, the three-way valve is communicated with the discharge pipe 9 of the column body 5E and the raffinate storage tank, and equal 35L of raffinate is discharged from the column body 5E to the raffinate storage tank; and simultaneously, 70L of pure water of 40-45 ℃ is injected from the top of the column 6F, the three-way valve is communicated with the discharge pipe 9 of the column 1A and the purified liquid storage tank, and simultaneously 70L of purified liquid is discharged from the bottom of the column 1A to the purified liquid storage tank.
c. The automatic switching to the internal circulation mode is controlled by an automated valve switch, and the internal circulation 98L is circulated in the separator by the circulation pump 7.
d. After the internal circulation was completed, 70L of pure water of 40-45 ℃ was fed from the top of column A1, and 70L of raffinate was discharged from the bottom of column F6 to a raffinate storage tank.
e. Switching cylinders, pushing the cylinder I backwards according to the number of the cylinders in the steps B-e to continue separation and purification, namely, feeding xylose hydrolysate from the cylinder D4, discharging raffinate from the cylinder F6, feeding pure water into the cylinder A1, and discharging purified liquid from the cylinder B2; after internal circulation was again performed, pure water was fed from column B2, and the raffinate was discharged from column A1.
f. And e, circularly performing the step e, namely performing separation and purification after column switching is performed again. Feeding xylose hydrolysate from column E No. 5, discharging raffinate from column A No. 1, feeding pure water into column B No. 2, and discharging purified liquid from column C No. 3; after internal circulation was again performed, pure water was fed from column C3, and the raffinate was discharged from column B2. And circulating until all xylose hydrolysate is separated and purified.
In the process, the conductivity and refraction of the purified liquid and the raffinate are monitored in real time by an online conductivity meter and a refractometer so as to adjust process parameters, and the stirring speed of the stirrers in the purified liquid storage tank and the raffinate storage tank can be 30-45 r/min.
And (3) carrying out multiple experiments, and carrying out data measurement on the purified liquid in the purified liquid storage tank and the raffinate and the xylose hydrolysate in the raffinate storage tank, wherein the data measurement comprises data fluctuation range comparison, statistical average value comparison and separation performance analysis.
The data pairs for the data fluctuation range of the measured data are shown in the following table:
the data in the table show that the data toggle range of the liquid outlet of the purified liquid and the raffinate is small, further explaining that the system has good operation stability. And the electric conductivity of the purified liquid is within 1000us/cm, thus completely meeting the requirements of separation and purification.
The statistical averages of the measured data are shown in the following table:
the separation performance analysis of the measured data is shown in the following table:
in summary, after reading the present disclosure, those skilled in the art should make various other modifications without creative efforts according to the technical solutions and concepts of the present disclosure, which are within the protection scope of the present disclosure.
Claims (7)
1. A separation and purification system of hydrolysate is characterized in that: comprises at least one group of separating devices and at least one group of collecting devices; each group of separating devices comprises six columns which are sequentially connected in series through a circulating pipeline (10), the columns are numbered A-F in sequence, and a discharge hole of the F-shaped column (6) positioned at the tail end is communicated with a feed hole of the A-shaped column (1) positioned at the head end through the circulating pipeline (10); each column body is provided with a feeding pipe (8) and a discharging pipe (9), FA74-2 special separation resin which generates suction force on sugar components is filled in the column body, and an online conductivity meter, a refractometer and a valve are arranged on the discharging pipe (9) and a circulating pipeline (10); the circulating pipeline (10) is also provided with a circulating pump (7), and internal circulation is realized among the cylinders through the circulating pump (7); each group of collecting devices comprises a purified liquid storage tank and a raffinate storage tank which are respectively used for storing purified liquid and raffinate, and each discharging pipe (9) is respectively communicated with the purified liquid storage tank and the raffinate storage tank through a three-way valve.
2. The system for separating and purifying the hydrolysate according to claim 1, wherein: the online conductivity meter is characterized by further comprising a controller, wherein the controller is respectively connected with the circulating pump (7), the online conductivity meter, the refractometer, the valve and the three-way valve.
3. The system for separating and purifying the hydrolysate according to claim 2, wherein: and stirrers are respectively arranged in the purified liquid storage tank and the raffinate storage tank.
4. The system for separating and purifying the hydrolysate according to claim 1, wherein: the length-diameter ratio of the column is 8:1, volume of 3 cubic meters.
5. The system for separating and purifying the hydrolysate according to claim 4, wherein: the column is filled with 2.3 cubic meters of FA74-2 special separation resin.
6. A separation and purification process method of hydrolysate is characterized in that: the method comprises the following steps:
a. injecting pure water of 40-45 ℃ from the top of the separation device to fill the whole separation device, wherein each group of separation device consists of six columns which are connected in series; the numbers of the columns are A-F in sequence, internal circulation is realized among the columns through a circulating pump (7), and meanwhile, the pressure of the columns is kept at 0.35-0.5 Mpa;
b. conveying the xylose hydrolysate after ultrafiltration to a column A (1) of a separation device through a circulating pump (7), controlling the flow rate, feeding 35L of the xylose hydrolysate at a constant flow rate, and simultaneously discharging equal residual liquid from a column C (3) to a residual liquid storage tank; simultaneously, 70L of pure water with the temperature of 40-45 ℃ is injected from the top of the column D (4), and an equal amount of purified liquid is discharged from the bottom of the column E (5) to a purified liquid storage tank;
c. circulating 98L inside the separation device by a circulation pump (7);
d. injecting 70L of pure water with the temperature of 40-45 ℃ from the top of the column (5) No. E, and simultaneously discharging 70L of raffinate from the bottom of the column (4) No. D into a raffinate storage tank;
e. switching the columns, pushing the first column backwards according to the column numbers in the step b-e, and continuously separating and purifying;
f. and e, circularly performing the step e.
7. The separation and purification process method of the hydrolysate according to claim 6, wherein the separation and purification process method comprises the following steps: the purity of the purified liquid xylose in the steps b-d is more than 97%, the total acid content is 0.5%, the conductance is controlled within 1000us/cm, the xylose content is 45-55 g/L, and the refraction is 6-6.7%; the conductivity of the raffinate is 37000-41000 us/cm, the refraction is 1.8-2%, the sugar concentration is 5%, the xylose content is 0.03-0.08 g/L, and the sugar leakage rate is 1%.
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101284849A (en) * | 2007-04-13 | 2008-10-15 | 山东福田药业有限公司 | Process for purifying xylose mother liquor by sequential simulated moving bed |
| CN201668979U (en) * | 2009-12-31 | 2010-12-15 | 西安航天华威化工生物工程有限公司 | Sequential type simulated moving bed chromatography purification device |
| CN101940850A (en) * | 2010-09-29 | 2011-01-12 | 西安航天华威化工生物工程有限公司 | Sequential simulated moving bed |
| CN102600640A (en) * | 2012-01-09 | 2012-07-25 | 中德瑞生物炼制实验室(厦门)有限公司 | Method for separating sugar, acid and salt of lignocellulose hydrolysate |
| CN103992362A (en) * | 2014-06-12 | 2014-08-20 | 黑龙江八一农垦大学 | Method for purifying tagatose by using sequential simulated moving bed chromatography (SSMB) |
| CN105324165A (en) * | 2013-03-08 | 2016-02-10 | 希乐克公司 | Processing biomass material |
| CN106366137A (en) * | 2016-08-27 | 2017-02-01 | 山东绿健生物技术有限公司 | Desalting and decolorizing method of isomerized lactose liquid |
| CN108525346A (en) * | 2017-03-03 | 2018-09-14 | 义守大学 | The separation method of thick extraction object |
| 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 |
| CN111747998A (en) * | 2020-07-08 | 2020-10-09 | 江南大学 | Method for removing inorganic acid and acetic acid in xylose hydrolysate by using intermittent simulated moving bed chromatography |
-
2021
- 2021-09-08 CN CN202111048647.8A patent/CN113893578A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101284849A (en) * | 2007-04-13 | 2008-10-15 | 山东福田药业有限公司 | Process for purifying xylose mother liquor by sequential simulated moving bed |
| CN201668979U (en) * | 2009-12-31 | 2010-12-15 | 西安航天华威化工生物工程有限公司 | Sequential type simulated moving bed chromatography purification device |
| CN101940850A (en) * | 2010-09-29 | 2011-01-12 | 西安航天华威化工生物工程有限公司 | Sequential simulated moving bed |
| CN102600640A (en) * | 2012-01-09 | 2012-07-25 | 中德瑞生物炼制实验室(厦门)有限公司 | Method for separating sugar, acid and salt of lignocellulose hydrolysate |
| CN105324165A (en) * | 2013-03-08 | 2016-02-10 | 希乐克公司 | Processing biomass material |
| CN103992362A (en) * | 2014-06-12 | 2014-08-20 | 黑龙江八一农垦大学 | Method for purifying tagatose by using sequential simulated moving bed chromatography (SSMB) |
| CN106366137A (en) * | 2016-08-27 | 2017-02-01 | 山东绿健生物技术有限公司 | Desalting and decolorizing method of isomerized lactose liquid |
| CN108525346A (en) * | 2017-03-03 | 2018-09-14 | 义守大学 | The separation method of thick extraction object |
| 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 |
| CN111747998A (en) * | 2020-07-08 | 2020-10-09 | 江南大学 | Method for removing inorganic acid and acetic acid in xylose hydrolysate by using intermittent simulated moving bed chromatography |
Non-Patent Citations (3)
| Title |
|---|
| 内德·里法伊等: "《临床质谱原理与应用》", 31 May 2020, 上海科学技术出版社 * |
| 李浔等: "模拟移动床离子排斥色谱分离水解液中的糖酸", 《太阳能学报》 * |
| 顾觉奋: "《离子交换与吸附树脂在制药工业上的应用》", 30 April 2008, 中国医药科技出版社 * |
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