CN1880235A - Sewage treatment and recovery and reuse method in lysine production - Google Patents
Sewage treatment and recovery and reuse method in lysine production Download PDFInfo
- Publication number
- CN1880235A CN1880235A CNA2005100438110A CN200510043811A CN1880235A CN 1880235 A CN1880235 A CN 1880235A CN A2005100438110 A CNA2005100438110 A CN A2005100438110A CN 200510043811 A CN200510043811 A CN 200510043811A CN 1880235 A CN1880235 A CN 1880235A
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- Prior art keywords
- water
- methionin
- produced
- condensation
- recoverying
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
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- Fertilizers (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The invention refers to a method of the treatment and recycle of wastewater in the production of lysine, the characters of which includes the extraction and elution of lysine, the evaporation and concentration of wastewater during refining, the control of CODCr value below 500 through adjusting the PH value of wastewater in tank before concentration; the wastewater is recycled according to the different water quality discharged from different efficiency of evaporator, the concentrate liquid of which is produced for composite fertilizer after fractional crystallization and separation of ammonia sulfate.
Description
Technical field:
The invention belongs to bioengineering field, relate to the Methionin production method, sewage disposal recoverying and utilizing method during specifically Methionin is produced.
Technical background:
Methionin is one of eight kinds of primary amino acids of needed by human.Methionin and Threonine are topmost amino acid in the Animal nutrition, because other several seed amino acids general equal can replacement by analogue or the compact optical isomer with X-ketone group or hydroxyl.But Methionin is unique only L-type composition in eight seed amino acids could effectively be utilized.Because Methionin can not generate by reduction amination effect or transamination in human body, must be by absorbing in the food, so it is a kind of most important primary amino acid.
In recent years, fodder industry and foodstuffs industry fast development both at home and abroad, the purposes that Methionin is new on the medicine industry constantly is found, and Methionin has become good development prospect on a kind of world market, the bigger product of breach on the domestic market.
The production method of Methionin has extraction process, chemical synthesis and enzyme process and fermentation method.Produce the large-lot producer of Methionin in recent years in the world, most direct fermentations that adopt.
Water is one of main resource of human survival, improvement waste water and recycling are the primary problems in the current industrial production project, in the process of fermentative Production Methionin, in fermented liquid, need a large amount of water, the ion exchange extraction of Methionin, wash-out and treating process all produce a large amount of waste water, and one ton of Methionin may produce more than 20 ton waste water, as not handling and recycling, be one and be worth loss greatly.Because COD in the waste water
CrThe content height, the ammonia-nitrogen content height can not be dealt with problems with general sewage water treatment method, and difficulty of governance and the economic risk of bringing thus are very big.
Summary of the invention:
In order effectively to handle the sewage of Methionin in producing, and reach the purpose of rational comprehensive utilization, the inventor is through earnest analytical study with reasonably after the economic balance, proposed the method that sewage disposal and closed cycle were recycled during Methionin was produced.
Sewage disposal recoverying and utilizing method technical scheme comprises following content in the described Methionin production of the inventor:
Adopt multi-effect evaporating device that Methionin is extracted the waste water that is produced in wash-out, the treating process and carry out evaporation concentration, by regulating the method that concentrates the pH value of waste water in preceding jar, the COD of control water of condensation
CrValue is below 500; Each imitates the difference of the water of condensation water quality discharged according to vaporizer, recycles respectively, and one imitates evaporation condensed water is back to use fermentation procedure, as the batching water, and two, three, the quadruple effect evaporation condensed water is back to use the extraction refining step, as refining eluting water; The surplus concentrated solution of institute is after Crystallization Separation goes out ammonium sulfate, and waste liquor is as processing composite fertilizer or mixed feed.
Said multi-effect evaporating device in the technical solution of the present invention can be selected suitable conventional criteria evaporation equipment for use according to steam output.
The method of said adjusting PH is that sulfuric acid is joined in the waste water that concentrates in preceding jar in the technical solution of the present invention, and its PH is adjusted within 3～4 scopes.
The COD of a said effect evaporation condensed water in the technical solution of the present invention
CrShould be controlled at below 100 two, three, quadruple effect water of condensation COD
CrBe controlled at below 500.
The amount of the said ammonium sulfate that goes out from the concentrated solution Crystallization Separation should be controlled at 45%～55% of contained ammonium sulfate gross weight the processed waste water in the technical solution of the present invention.
Utilize sewage disposal in the Methionin production of the present invention, recoverying and utilizing method can make in the Methionin production whole process sewage after treatment, closed cycle is recycled, realize the purpose requirement of " the water cycle circle " of external without sewage discharge, both save great amount of water resources, saved considerable sewage disposal expense and the facility investment expense of being worth again.
Embodiment:
Before will concentrating earlier with sulfuric acid in the storage tank waste water PH regulate and be controlled at about 3.5, again with this waste water input quadruple effect evaporator, regulate that control concentrates speed and each imitates out the COD of saliva
CrValue makes a COD of imitating out saliva
CrBe about 80, wherein one imitate the batching water of recovery water of condensation as fermention medium, two, three, quadruple effect reclaims water of condensation, as refining wash-out water, the ammonium sulfate that crystallization is separated out in the concentrated solution is behind the recrystallization purification, inorganic nitrogen-sourced as in the substratum, surplus concentrated mother liquor is used to process compound manure.
Claims (5)
1, sewage disposal recoverying and utilizing method during Methionin is produced is characterized in that Methionin is extracted the waste water that is produced in wash-out, the treating process carries out evaporation concentration, by regulating the method that concentrates the pH value of waste water in preceding jar, the COD of control water of condensation
CrValue is below 500; Each imitates the difference of the water of condensation water quality of being discharged according to vaporizer, recycles respectively, and concentrated solution is after Crystallization Separation goes out ammonium sulfate, and waste liquor is as processing composite fertilizer.
2, sewage disposal recoverying and utilizing method during Methionin as claimed in claim 1 is produced is characterized in that sulfuric acid is joined in the waste water that concentrates in preceding jar, and its PH is adjusted within 3～4 scopes.
3, sewage disposal recoverying and utilizing method during Methionin as claimed in claim 1 is produced is characterized in that one imitates the COD of evaporation condensed water
CrShould be controlled at below 100 two, three, quadruple effect water of condensation COD
CrBe controlled at below 500.
4, sewage disposal recoverying and utilizing method during Methionin as claimed in claim 1 is produced, the amount that it is characterized in that the ammonium sulfate that goes out from the concentrated solution Crystallization Separation should be controlled at 45%～55% of contained ammonium sulfate gross weight the processed waste water.
5, sewage disposal recoverying and utilizing method during Methionin as claimed in claim 1 is produced, it is characterized in that one imitates the batching water of recovery water of condensation as fermention medium, two, three, quadruple effect reclaims water of condensation, as refining wash-out water, the ammonium sulfate that crystallization is separated out in the concentrated solution is behind the recrystallization purification, inorganic nitrogen-sourced as in the substratum, surplus concentrated mother liquor is used to process compound manure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100438110A CN1880235A (en) | 2005-06-13 | 2005-06-13 | Sewage treatment and recovery and reuse method in lysine production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100438110A CN1880235A (en) | 2005-06-13 | 2005-06-13 | Sewage treatment and recovery and reuse method in lysine production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1880235A true CN1880235A (en) | 2006-12-20 |
Family
ID=37518630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005100438110A Pending CN1880235A (en) | 2005-06-13 | 2005-06-13 | Sewage treatment and recovery and reuse method in lysine production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1880235A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009003369A1 (en) * | 2007-07-03 | 2009-01-08 | Changchun Dacheng Industrial Group Company Limited | A process for treating fermentation spent liquor from lysine production |
| CN102390906A (en) * | 2011-08-04 | 2012-03-28 | 中粮生物化学（安徽）股份有限公司 | Lysine fermentation waste water processing method, and method for preparing citric acid through fermentation |
| CN102583835A (en) * | 2012-03-13 | 2012-07-18 | 同济大学 | Closed-cycle circulating process for governing biogas slurry fermented through wastewater from pig farms |
-
2005
- 2005-06-13 CN CNA2005100438110A patent/CN1880235A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009003369A1 (en) * | 2007-07-03 | 2009-01-08 | Changchun Dacheng Industrial Group Company Limited | A process for treating fermentation spent liquor from lysine production |
| CN101337729B (en) * | 2007-07-03 | 2013-01-16 | 长春大成实业集团有限公司 | Processing process for fermentation waste liquid of lysine |
| CN102390906A (en) * | 2011-08-04 | 2012-03-28 | 中粮生物化学（安徽）股份有限公司 | Lysine fermentation waste water processing method, and method for preparing citric acid through fermentation |
| CN102390906B (en) * | 2011-08-04 | 2013-01-16 | 中粮生物化学（安徽）股份有限公司 | Lysine fermentation waste water processing method, and method for preparing citric acid through fermentation |
| CN102583835A (en) * | 2012-03-13 | 2012-07-18 | 同济大学 | Closed-cycle circulating process for governing biogas slurry fermented through wastewater from pig farms |
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