CN104478786A - Extracting and energy-saving system for L-tryptophan membrane - Google Patents
Extracting and energy-saving system for L-tryptophan membrane Download PDFInfo
- Publication number
- CN104478786A CN104478786A CN201410666756.XA CN201410666756A CN104478786A CN 104478786 A CN104478786 A CN 104478786A CN 201410666756 A CN201410666756 A CN 201410666756A CN 104478786 A CN104478786 A CN 104478786A
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- China
- Prior art keywords
- storage tank
- liquid storage
- fermented liquid
- trp
- tank
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
- C07D209/04—Indoles; Hydrogenated indoles
- C07D209/10—Indoles; Hydrogenated indoles with substituted hydrocarbon radicals attached to carbon atoms of the hetero ring
- C07D209/18—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D209/20—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals substituted additionally by nitrogen atoms, e.g. tryptophane
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses an extracting and energy-saving system for L-tryptophan. The system comprises a fermentation liquid storage tank, a ceramic membrane filter and a clear liquid tank which are sequentially connected by virtue of a pipeline, wherein the fermentation liquid storage tank is connected with a dialysis water adding device and is further provided with an L-tryptophan concentration detection opening; the ceramic membrane filer is provided with a controller which is used for controlling operation of the filter according to concentration of L-tryptophan. The bottom of the fermentation liquid storage tank is further connected with a mushroom dreg tank by virtue of a centrifugal pump, the mushroom dreg tank is internally filled with a flocculation agent and is communicated with the plate-and-frame filter press by virtue of the mushroom dreg tank, and a filtrate discharge pipe of the plate-and-frame filter press is connected and communicated with the top of the fermentation liquid storage tank. The system can be used for effectively shortening the operating time of the ceramic membrane, improving the tank-loading batch for fermentation, lowering the production cost and reducing the quantity of wastewater effluent.
Description
Technical field
the invention belongs to amino acid extraction equipment field, relate generally to a kind of L-Trp film and extract energy conserving system.
Background technology
at present, tryptophane extraction is limited by unit and produces sour low, in fermented liquid, impurity not easily extracts comparatively greatly, therefore post yield is most important, ensure that ceramic membrane yield needs to add a large amount of water-dialyzing and dilutes, cause ceramic membrane longer for working time, the upper tank batch of restriction fermentation, the serious more difficult thorough cleaning of fouling membrane simultaneously, sewage flow rate is larger.
Summary of the invention
The object of the invention is to extract the technical problems such as difficulty, ceramic membrane long operational time, blowdown flow rate are large for the tryptophane that exists in prior art, a kind of L-Trp film is provided to extract energy conserving system, this system effectively can reduce ceramic membrane working time, improve the upper tank batch of fermentation, reduce production cost, reduce quantity of wastewater effluent.
The technical scheme that the present invention realizes above-mentioned purpose employing is: a kind of L-Trp film extracts energy conserving system, comprise the fermented liquid storage tank connected successively by pipeline, purpose ceramic-film filter and Clear liquid tank, fermented liquid storage tank is connected with water-dialyzing adding set, described fermented liquid storage tank is also provided with L-Trp Concentration Testing mouth, purpose ceramic-film filter is provided with and can controls its controller run according to L-Trp concentration, the bottom of described fermented liquid storage tank is also connected with bacterium slag ladle by impeller pump, bacterium slag ladle is built with flocculation agent, and bacterium slag ladle is communicated with plate-and-frame filter press by bacterium pulp pump, the filtrate vent pipe of plate-and-frame filter press is connected with the top of fermented liquid storage tank and is communicated with.
Described flocculation agent is polymerize aluminum chloride.
The transmembrane pressure difference of described purpose ceramic-film filter is no more than 0.4MPa.
In described fermented liquid storage tank, the concentration dilution of L-Trp fermented liquid starts purpose ceramic-film filter after 14-20g/L.
Beneficial effect of the present invention
L-Trp film extraction system provided by the invention, can by controlling ceramic membrane filter time concentration and pressure, effectively reduce ceramic membrane working time, improve the upper tank batch of fermentation, save power consumption, and do not affect product yield; The solid protein that bacterium slag obtains after treatment can directly use as protein fodder, and filtrate can reuse as water-dialyzing, reduces water consumption, reduces production cost, reduces quantity of wastewater effluent.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Reference numeral: 1, fermented liquid storage tank, 2, purpose ceramic-film filter, 3, Clear liquid tank, 4, bacterium slag ladle, 5, plate-and-frame filter press.
Embodiment
A kind of L-Trp film extracts energy conserving system, comprise the fermented liquid storage tank 1 connected successively by pipeline, purpose ceramic-film filter 2 and Clear liquid tank 3, fermented liquid storage tank 1 is connected with water-dialyzing adding set, described fermented liquid storage tank 1 is also provided with L-Trp Concentration Testing mouth, purpose ceramic-film filter 2 is provided with and can controls its controller run according to L-Trp concentration, in fermented liquid storage tank 1, the concentration dilution of L-Trp fermented liquid starts purpose ceramic-film filter 2 after 14-20g/L, the transmembrane pressure difference of purpose ceramic-film filter 2 is no more than 0.4MPa, the bottom of described fermented liquid storage tank 1 is also connected with bacterium slag ladle 4 by impeller pump, bacterium slag ladle 4 is built with flocculation agent polymerize aluminum chloride, and bacterium slag ladle 4 is communicated with plate-and-frame filter press 5 by bacterium pulp pump, the filtrate vent pipe of plate-and-frame filter press 5 is connected with the top of fermented liquid storage tank 1 and is communicated with.
Using method of the present invention is: be first transferred in fermented liquid storage tank 1 by the L-Trp fermented liquid fermented, then in fermented liquid storage tank 1, add water-dialyzing to dilute, the concentration being diluted to L-Trp is be delivered in purpose ceramic-film filter 2 by fermented liquid after 14-20g/L to filter, when the concentration of L-Trp is 8g/L in fermented liquid storage tank 1, stop dilution; In filtration procedure, the flow velocity of controlled filter liquid makes the transmembrane pressure difference of ceramic membrane be no more than 0.4MPa, and the L-Trp clear liquid through filtering is delivered in Clear liquid tank 3 and preserves, for subsequent use; Stopping when the content of the fermented liquid in fermented liquid storage tank 1 reaches below 4% filtering, is bacterium slag in fermented liquid storage tank 1, for subsequent use; Bacterium slag in fermented liquid storage tank 1 is squeezed into bacterium slag ladle 4 by impeller pump, then in bacterium slag ladle 4, flocculation agent is added, until the compound slag in bacterium slag ladle 4 become thick after squeeze into plate-and-frame filter press 5 by impeller pump, filter cake and filtrate is obtained after filter press, filter cake is solid protein, and filtrate is recycled to fermented liquid storage tank 1 as water-dialyzing and reuses.
Claims (4)
1. a L-Trp film extracts energy conserving system, comprise the fermented liquid storage tank (1) connected successively by pipeline, purpose ceramic-film filter (2) and Clear liquid tank (3), (1) is connected with water-dialyzing adding set with fermented liquid storage tank, it is characterized in that: described fermented liquid storage tank (1) is also provided with L-Trp Concentration Testing mouth, purpose ceramic-film filter (2) is provided with and can controls its controller run according to L-Trp concentration, the bottom of described fermented liquid storage tank (1) is also connected with bacterium slag ladle (4) by impeller pump, bacterium slag ladle (4) is built with flocculation agent, and bacterium slag ladle (4) is communicated with plate-and-frame filter press (5) by bacterium pulp pump, the filtrate vent pipe of plate-and-frame filter press (5) is connected with the top of fermented liquid storage tank (1) and is communicated with.
2. a kind of L-Trp film as claimed in claim 1 extracts energy conserving system, it is characterized in that: described flocculation agent is polymerize aluminum chloride.
3. a kind of L-Trp film as claimed in claim 1 extracts energy conserving system, it is characterized in that: the transmembrane pressure difference of described purpose ceramic-film filter (2) is no more than 0.4MPa.
4. a kind of L-Trp film as claimed in claim 1 extracts energy conserving system, it is characterized in that: in described fermented liquid storage tank (1), the concentration dilution of L-Trp fermented liquid starts purpose ceramic-film filter (2) after 14-20g/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410666756.XA CN104478786B (en) | 2014-11-20 | 2014-11-20 | A kind of L-Trp film extracts energy conserving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410666756.XA CN104478786B (en) | 2014-11-20 | 2014-11-20 | A kind of L-Trp film extracts energy conserving system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104478786A true CN104478786A (en) | 2015-04-01 |
| CN104478786B CN104478786B (en) | 2016-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410666756.XA Active CN104478786B (en) | 2014-11-20 | 2014-11-20 | A kind of L-Trp film extracts energy conserving system |
Country Status (1)
| Country | Link |
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| CN (1) | CN104478786B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101307301A (en) * | 2007-05-17 | 2008-11-19 | 浙江升华拜克生物股份有限公司 | L-tryptophan genetic engineering bacterium and process for producing L-tryptophan |
| CN101376646A (en) * | 2007-08-29 | 2009-03-04 | 天津科技大学 | Novel method for extracting L-tryptophan from fermentation liquor |
-
2014
- 2014-11-20 CN CN201410666756.XA patent/CN104478786B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101307301A (en) * | 2007-05-17 | 2008-11-19 | 浙江升华拜克生物股份有限公司 | L-tryptophan genetic engineering bacterium and process for producing L-tryptophan |
| CN101376646A (en) * | 2007-08-29 | 2009-03-04 | 天津科技大学 | Novel method for extracting L-tryptophan from fermentation liquor |
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| CN104478786B (en) | 2016-11-23 |
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Effective date of registration: 20230801 Granted publication date: 20161123 |