CN101429111B - Comprehensive processing method and apparatus for mother solution in production of glucurolactone - Google Patents
Comprehensive processing method and apparatus for mother solution in production of glucurolactone Download PDFInfo
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- CN101429111B CN101429111B CN2008102339541A CN200810233954A CN101429111B CN 101429111 B CN101429111 B CN 101429111B CN 2008102339541 A CN2008102339541 A CN 2008102339541A CN 200810233954 A CN200810233954 A CN 200810233954A CN 101429111 B CN101429111 B CN 101429111B
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Abstract
The invention discloses a method for comprehensively treating and utilizing a mother solution in the production of glucurolactone and a device using the method. The mother solution is sent to a distillation kettle, is heated and is evaporated with a mixed solution of ester, ethanol and acetic acid till the Baume degree of the mother solution is between 40 and 50; the mixed solution is condensed through a condenser and enters a storage tank for standby; the mixed solution is sent to a neutralization and condensation kettle, is added with pure alkali or liquid alkali, is neutralized till the PH value is between 5 and 7 around, is heated and is evaporated with thin ethanol till the Baume degree is between 20 and 40; the mixed solution is cooled, crystallized and dehydrated to obtain sodium acetate; the thin ethanol enters a concentration tower, is concentrated and is supplied to the production of glucurolactone; and the residual mother solution in the distillation kettle is put to a thick mother solution tank and is directly used for producing oxalic acid. The treatment method simplifies a process, saves labor, has low cost, small energy consumption and convenient operation, can fully recycle organisms in the mother solution and can change waste to valuable.
Description
Technical field:
The present invention relates to industrial effluent and administer technical field, provide the integrated conduct method of mother liquor in a kind of Glucuronic acid .gamma.-lactone production and the device of realizing this method or rather.
Background technology:
Glucuronic acid .gamma.-lactone is the medicine for the treatment of hepatopathy clinically, can combine with some poisonous substance in liver and a detoxification, and reduce the liver starch enzymic activity, and liver starch is increased, and fatty reserves reduce, and this product also is the composition of reticular tissue in the constituting body.Be used for acute, chronic hepatitis, liver cirrhosis, sacroiliitis, rheumatismal assisting therapy; Also can be used for the detoxifcation of food or drug intoxication, be used for the food and drink additive more abroad.
Glucurolactone mother liquor is the waste liquid that produces in the Glucuronic acid .gamma.-lactone production process, one ton of Glucuronic acid .gamma.-lactone of every production produces 8 tons in mother liquor approximately, its composition of degree Beaume 20-30 is Dian Fentang about 50%, water about 20%, acetic acid about 15%, ethanol about 10% and little acetic acid ethyl ester etc., seriously polluted, existing control emission measure is at first glucurolactone mother liquor to be concentrated, distill out part ethanol and acetate then, neutralize with alkali again, when adjusting potential of hydrogen, put into treatment tank and carry out the blowdown processing to neutrality.This method treatment facility investment is big, working cost is very high.Have producer mother liquor to be sent (selling) be directly used in production oxalic acid for oxalic acid factory, acetic acid wherein, ethanol, vinyl acetic monomer etc. are oxidized to carbonic acid gas and water, not only cause waste, also will consume a large amount of nitric acid.It is that glucurolactone mother liquor is carried out spray burning that patent (publication number CN1752520A) report is arranged, and heat output directly uses as thermal source, but its Btu utilization is worth the value of being utilized by comprehensive treating process far below acetic acid, ethanol, vinyl acetic monomer and Dian Fentang etc.
Summary of the invention:
The object of the present invention is to provide the integrated conduct method of mother liquor in a kind of Glucuronic acid .gamma.-lactone production and the device of realizing this method, this method and device technique are simplified, save artificial, cost is low, energy consumption is little, easy and simple to handle, use present method that the organism in the mother liquor is all recycled, turn waste into wealth.
The technical solution used in the present invention is as follows:
The integrated conduct method of mother liquor comprised the steps: during a kind of Glucuronic acid .gamma.-lactone was produced
A, with mother liquor with being pumped into mixed solution that still kettle heating steams (comprising underpressure distillation) ester, ethanol and acetate to mother liquor degree Beaume 40-50, mixed solution enters in the Chu groove standby after condenser condenses.
B, mixed solution add soda ash or liquid caustic soda and are neutralized to about PH5-7 with in being pumped into and in the concentration kettle, and heating steams Diluted Alcohol to degree Beaume 20-40, and crystallisation by cooling, centrifuge dewatering get sodium-acetate.
C, Diluted Alcohol enter the Diluted Alcohol concentration tower and carry dense then the use for Glucuronic acid .gamma.-lactone production.
The residue mother liquor is put into dense mother liquor tank and is directly used in production oxalic acid in d, the still kettle.
A kind of device that is used for the integrated conduct method of above-mentioned Glucuronic acid .gamma.-lactone production mother liquor, this device comprises:
A still kettle 03;
A mother liquor pump 02, mother liquor pump one end is connected with mother liquor tank 01 with pipeline, and the other end is connected with mouth in top of still kettle 03 with pipeline;
Condenser 04, one end is connected with Chu groove 05 with pipeline, and the other end is connected with another mouthful of top of still kettle 03 with pipeline;
Described Chu groove 05 usefulness pipeline is connected with pump 06 import, the outlet of pump 06 with pipeline with in be connected with the mouth in concentration kettle 07 top;
Be that 09 middle part opening for feed is connected with concentration kettle 07 another mouthful of top and concentration tower in described;
Be connected with whizzer 08 import with pipeline with concentration kettle 07 lower ports in described;
Described concentration tower is that 09 discharge port connects with ethanol Chu groove 10 with pipeline;
The lower ports of described still kettle 03 connects with dense mother liquor tank 11 with pipeline.
The invention has the advantages that:
Method of the present invention and device can fully be recycled useful component in the mother liquor, through producing checking in batches: the distillate of glucurolactone mother liquor per ton can be produced 180 kilograms of the sodium-acetates, 30 kilograms of 95% alcohol, the dense mother liquor of residue that contain crystal water can produce 500 kilograms of oxalic acid, about 3000 yuan of its total value, the deduction nearly 1,000 yuan of can making a profit behind the cost, and alleviated the sewage disposal load greatly.
Description of drawings:
Accompanying drawing is a concrete process flow sheet of the present invention.
Embodiment:
Embodiment one:
A, with mother liquor 3000L with being pumped into mixed solution that 5000L still kettle heating steams (comprising underpressure distillation) ester, ethanol and acetate to mother liquor degree Beaume 35, mixed solution 1300L enters after condenser condenses in the Chu groove.
B, mixed solution add soda ash 260KG and are neutralized to PH5 with in being pumped into and in the concentration kettle, and heating steams Diluted Alcohol to degree Beaume 35, gets 25% Diluted Alcohol 530KG, and mother liquor is cooled to 10 ℃ of crystallizations, centrifuge dewaterings and gets sodium-acetate 730KG.
C, Diluted Alcohol enter the Diluted Alcohol concentration tower and carry after dense to such an extent that 95% ethanol 110KG uses for Glucuronic acid .gamma.-lactone production.
D, the interior residue of still kettle mother liquor are put into dense mother liquor tank and are used to produce oxalic acid.
Three embodiments of following table for being provided, algorithm is with embodiment one:
| Embodiment | 1 | 2 | 3 |
| Glucurolactone mother liquor (L) | 3000 | 3000 | 3000 |
| Get mixed solution (L) | 1300 | 1370 | 1450 |
| Get the mixed solution degree Beaume | 40 | 45 | 50 |
| Soda ash (Kg) | 260 | 255 | 248 |
| The neutralizer degree Beaume | 35 | 20 | 40 |
| The neutralizer pH value | 5.0 | 6.0 | 7.0 |
| Diluted Alcohol (Kg) | 530 | 400 | 605 |
| Get sodium-acetate (Kg) | 730 | 710 | 780 |
| Get 95% ethanol (Kg) | 110 | 80 | 123 |
Be used for the device that the comprehensive treating process of Glucuronic acid .gamma.-lactone production mother liquor utilizes method, shown in accompanying drawing, this device comprises:
A still kettle 03; A mother liquor pump 02, mother liquor pump one end is connected with mother liquor tank 01 with pipeline, and the other end is connected with mouth in top of still kettle 03 with pipeline; Condenser 04, one end is connected with Chu groove 05 with pipeline, and the other end is connected with another mouthful of top of still kettle 03 with pipeline; Chu groove 05 usefulness pipeline is connected with pump 06 import, the outlet of pump 06 with pipeline with in be connected with the mouth in concentration kettle 07 top; In be that 09 middle part opening for feed is connected with concentration kettle 07 another mouthful of top and concentration tower; In be connected with whizzer 08 import with pipeline with concentration kettle 07 lower ports; Concentration tower is that 09 discharge port connects with ethanol Chu groove 10 with pipeline; The lower ports of still kettle 03 connects with dense mother liquor tank 11 with pipeline.
Claims (2)
1. the integrated conduct method of mother liquor is characterized in that comprising the steps: during a Glucuronic acid .gamma.-lactone was produced
A, with mother liquor with being pumped into mixed solution that still kettle heating underpressure distillation steams ester, ethanol and acetate to mother liquor degree Beaume 40-50, mixed solution enters in the storage tank standby after condenser condenses;
B, mixed solution add soda ash or liquid caustic soda and are neutralized to PH5-7 with in being pumped into and in the concentration kettle, and heating steams Diluted Alcohol to degree Beaume 20-40, and crystallisation by cooling, centrifuge dewatering get sodium-acetate;
C, Diluted Alcohol enter the Diluted Alcohol concentration tower and carry dense then the use for Glucuronic acid .gamma.-lactone production;
The residue mother liquor is put into dense mother liquor tank and is directly used in production oxalic acid in d, the still kettle.
2. one kind is used for the device that the described Glucuronic acid .gamma.-lactone of claim 1 is produced the integrated conduct method of mother liquor, it is characterized in that this device comprises:
A still kettle (03);
A mother liquor pump (02), mother liquor pump one end is connected with mother liquor tank (01) with pipeline, and the other end is connected with mouth in top of still kettle (03) with pipeline;
A condenser (04), an end is connected with storage tank (05) with pipeline, and the other end is connected with another mouthful of top of still kettle (03) with pipeline;
Described storage tank (05) is connected with pump (06) import with pipeline, the outlet usefulness pipeline of pump (06) with in be connected with the mouth in concentration kettle (07) top;
Be connected with the middle part opening for feed of concentration tower system (09) with another mouthful of concentration kettle (07) top in described;
Be connected with whizzer (08) import with pipeline with concentration kettle (07) lower ports in described;
The discharge port of described concentration tower system (09) connects with ethanol storage tank (10) with pipeline;
The lower ports of described still kettle (03) connects with dense mother liquor tank (11) with pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102339541A CN101429111B (en) | 2008-12-17 | 2008-12-17 | Comprehensive processing method and apparatus for mother solution in production of glucurolactone |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102339541A CN101429111B (en) | 2008-12-17 | 2008-12-17 | Comprehensive processing method and apparatus for mother solution in production of glucurolactone |
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| Publication Number | Publication Date |
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| CN101429111A CN101429111A (en) | 2009-05-13 |
| CN101429111B true CN101429111B (en) | 2011-10-12 |
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| CN2008102339541A Active CN101429111B (en) | 2008-12-17 | 2008-12-17 | Comprehensive processing method and apparatus for mother solution in production of glucurolactone |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103664573B (en) * | 2012-09-24 | 2016-06-01 | 湖北益泰药业有限公司 | Acetic acid waste gas Alkali absorption prepares the method for sodium acetate |
| CN103058864B (en) * | 2012-12-26 | 2014-10-15 | 淮安万邦香料工业有限公司 | Method for synthesizing benzyl acetate by production waste acid of delta-decanolactone or delta-dodecalactone |
| CN105481649B (en) * | 2014-09-18 | 2017-08-25 | 中国石油化工股份有限公司 | A kind of method that acetic acid hydrogenation prepares ethanol |
| CN104610386A (en) * | 2015-01-12 | 2015-05-13 | 湖北益泰药业有限公司 | Method for increasing production yield of glucurolactone |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1073160A (en) * | 1992-08-11 | 1993-06-16 | 湖北省鄂西化工厂 | Technology for producing oxalic acid by glucuronolactone mother liquor catalytic oxidation |
| CN1752520A (en) * | 2005-08-02 | 2006-03-29 | 山东博山制药有限公司 | Method for treating glucurolactone mother liquor |
| CN101096689A (en) * | 2007-07-13 | 2008-01-02 | 北京化工大学 | Method for hydrolyzing straw by glucurolactone production waste liquid and application in ethanol production by saccharomycete fermentation |
-
2008
- 2008-12-17 CN CN2008102339541A patent/CN101429111B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1073160A (en) * | 1992-08-11 | 1993-06-16 | 湖北省鄂西化工厂 | Technology for producing oxalic acid by glucuronolactone mother liquor catalytic oxidation |
| CN1752520A (en) * | 2005-08-02 | 2006-03-29 | 山东博山制药有限公司 | Method for treating glucurolactone mother liquor |
| CN101096689A (en) * | 2007-07-13 | 2008-01-02 | 北京化工大学 | Method for hydrolyzing straw by glucurolactone production waste liquid and application in ethanol production by saccharomycete fermentation |
Non-Patent Citations (2)
| Title |
|---|
| 郭耀基等.采用二次内酯化方法从葡醛内酯生产废液中回收产品.《无锡轻工大学学报》.2004,第23卷(第2期),67-70. * |
| 高连新.肝泰乐母液制草酸的研究.《化学世界》.1995,(第12期),636-638. * |
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