CN106262665A - A kind of direct employing film processes the method for equivalent dialysis - Google Patents

A kind of direct employing film processes the method for equivalent dialysis Download PDF

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Publication number
CN106262665A
CN106262665A CN201610662083.XA CN201610662083A CN106262665A CN 106262665 A CN106262665 A CN 106262665A CN 201610662083 A CN201610662083 A CN 201610662083A CN 106262665 A CN106262665 A CN 106262665A
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CN
China
Prior art keywords
film
filtrate
dialysis
clear liquid
processes
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Pending
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CN201610662083.XA
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Chinese (zh)
Inventor
罗春龙
杨小锋
鲁光贵
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Anhui More Food Ingredients Co Ltd
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Anhui More Food Ingredients Co Ltd
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Priority to CN201610662083.XA priority Critical patent/CN106262665A/en
Publication of CN106262665A publication Critical patent/CN106262665A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D61/00Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/58Multistep processes
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2002/00Food compositions, function of food ingredients or processes for food or foodstuffs

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  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

The invention discloses a kind of method that direct employing film processes equivalent dialysis, comprise the following steps: S1: the filtrate of acesulfame potassium is stored in filtrate tanks, is stock solution;S2: use hot water cyclesystem, make filtrate tanks stock solution heat up, arranges into film simultaneously and goes out film pressure, and through organic membrane through concentrating, film clear liquid flows to clear liquid storage tank and recycles;S3: when the film clear liquid flux in film clear liquid storage tank drops to 20~60L/PM, dialyses with the water of isodose, is given by acesulfame potassium and recycle;S4: in circulating tank, remaining residual liquid is directly discharged to liquid waste processing center and carries out liquid waste processing;S5: film device is carried out and detects.The present invention uses hot water cyclesystem to heat, and saves concentration removal process, energy efficient, thickening temperature is low, and material is not easily decomposed, it is achieved liquid decoloration and the processing intent of organic salt, products obtained therefrom can directly recycle, and equipment is simple, and processing cost is low.

Description

A kind of direct employing film processes the method for equivalent dialysis
Technical field
The present invention relates to chemical technology field, particularly relate to a kind of method that direct employing film processes equivalent dialysis.
Background technology
Acesulfame potassium is a kind of food additive, has the function increasing food sweet taste, in good taste, empty calory, and at human body Inside not metabolism, do not absorb, good to heat and absolute acid stability, it is forth generation synthetic sweetener on our times.The production work of acesulfame potassium Skill is simple, and cheap, superior performance, it is considered to be one of the most promising sweeting agent, is widely used in various food In production.Along with the increase of acesulfame potassium usage amount, the intractability of its filtrate is consequently increased.At present, both at home and abroad to acesulfame potassium Processing of filtrate mainly uses two traditional effect concentration method and MVR enrichment facility new techniques.And two traditional effects are dense Contracting processing method needs to carry out being concentrated to by filtrate crystallization, then processes through the mode of decrease temperature crystalline and separation, profit Reclaiming acesulfame potassium by the method, steam consumption is big, and in the acesulfame potassium of recovery, impurity content is high, often needs to carry out at secondary refining Reason.Two effect concentration methods often evaporate 1 ton of water, take around consumption steam about 0.8 ton, and energy resource consumption is relatively big, Er Qienong During contracting temperature required higher, easily cause material decompose.And MVR enrichment facility new technique is a kind of emerging technology, this technology pair The high treating effect of acesulfame potassium filtrate, but in this technology, the device of application is expensive, and then make being processed into of acesulfame potassium filtrate Originally dramatically increase.
Summary of the invention
The invention aims to solve shortcoming present in prior art, and a kind of directly employing film proposed processes The method of equivalent dialysis.
A kind of direct employing film processes the method for equivalent dialysis, comprises the following steps:
S1: the filtrate of acesulfame potassium is stored in filtrate tanks, is stock solution;
S2: the temperature presetting filtrate tanks is 20~50 DEG C, opens the hot water cyclesystem outside filtrate tanks, makes filtrate store up The temperature of tank stock solution rises to preset temperature, and arrange entering film and going out film pressure in film device is 15~30kg simultaneously, treats stock solution temperature Degree opens the outlet valve of filtrate tanks and the imported valve of film device after reaching preset temperature, makes stock solution enter film device, Being carried out through concentrating by the membranous system in film device, the passing through of organic membrane in membranous system, film clear liquid flows to clear liquid storage tank again Recycle;
S3: when the film clear liquid flux in film clear liquid storage tank drops to 20~60L/PM, to the circulating tank filling film dope The water of interior addition isodose is dialysed, and acesulfame potassium is dialyzed out and flows to collecting tank and recycles;
S4: in circulating tank, remaining residual liquid is directly discharged to liquid waste processing center and carries out liquid waste processing;
S5: be carried out film device and detect, i.e. completes whole acesulfame potassium filtrate and processes operation after having detected.
Preferably, the hot water circulation heated that the hot water cyclesystem in described S2 step uses temperature to be 60~90 DEG C.
Preferably, the organic membrane that the organic membrane in described S2 step uses molecular weight to be 800~1200.
Preferably, the organic membrane in described S2 step uses molecular weight to be the organic membrane of 1000.
Preferably, in described S2 step, the temperature of filtrate tanks is 25~40 DEG C.
Preferably, entering film in described S2 step and going out film pressure is 20~25kg.
The method that the present invention proposes, uses the hot water cyclesystem of 60~90 DEG C to heat acesulfame potassium filtrate, with regard to energy Meet the production needs that acesulfame potassium filtrate processes, save concentration removal process, save substantial amounts of steam energy consumption, and concentrate Temperature is relatively low, and material is not easily decomposed, and selects organic membrane to process, and under high pressure acesulfame potassium can be gone out by film surface penetration, and Organic impurities and pigment can be rejected by, and reach the feature of penetrating fluid free from admixture and pigment, it is achieved liquid decoloration and organic salt Processing intent, makes finished product color transparent, and organic salt clearance is high, and the film clear liquid of gained and acesulfame potassium all can directly reclaim Utilizing, and the equipment used in the method processing procedure is simple, general, processing cost is relatively low.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is explained orally further.
Embodiment one
A kind of direct employing film that the present invention proposes processes the method for equivalent dialysis, comprises the following steps:
S1: the filtrate of acesulfame potassium is stored in filtrate tanks, is stock solution;
S2: the temperature presetting filtrate tanks is 38 DEG C, opens the hot water cyclesystem outside filtrate tanks, makes filtrate tanks former The temperature of liquid rises to preset temperature, and the film pressure of entering simultaneously arranged in film device is 23.5kg, and going out film pressure is 23kg, treats stock solution Temperature opens the outlet valve of filtrate tanks and the imported valve of film device after reaching preset temperature, make stock solution enter film and set Standby, then carry out, through concentrating, passing through through the organic membrane that membranous system middle-molecular-weihydroxyethyl is 1000 by the membranous system in film device, Film clear liquid flows to clear liquid storage tank and recycles;
S3: when the film clear liquid flux in film clear liquid storage tank drops to 30L/PM, add in the circulating tank filling film dope The water entering isodose is dialysed, and acesulfame potassium is dialyzed out and flows to collecting tank and recycles;
S4: in circulating tank, remaining residual liquid is directly discharged to liquid waste processing center and carries out liquid waste processing;
S5: be carried out film device and detect, i.e. completes whole acesulfame potassium filtrate and processes operation after having detected.
In the present invention, the hot water circulation heated that the hot water cyclesystem in S2 step uses temperature to be 70 DEG C.
Embodiment two
A kind of direct employing film that the present invention proposes processes the method for equivalent dialysis, comprises the following steps:
S1: the filtrate of acesulfame potassium is stored in filtrate tanks, is stock solution;
S2: the temperature presetting filtrate tanks is 37 DEG C, opens the hot water cyclesystem outside filtrate tanks, makes filtrate tanks former The temperature of liquid rises to preset temperature, arranges entering film and going out film pressure and be 24kg in film device simultaneously, treats that stock solution temperature reaches Open the outlet valve of filtrate tanks and the imported valve of film device after preset temperature, make stock solution enter film device, then pass through Membranous system in film device carries out, through concentrating, passing through through the organic membrane that membranous system middle-molecular-weihydroxyethyl is 800, and film clear liquid flows to Clear liquid storage tank recycles;
S3: when the film clear liquid flux in film clear liquid storage tank drops to 45L/PM, add in the circulating tank filling film dope The water entering isodose is dialysed, and acesulfame potassium is dialyzed out and flows to collecting tank and recycles;
S4: in circulating tank, remaining residual liquid is directly discharged to liquid waste processing center and carries out liquid waste processing;
S5: be carried out film device and detect, i.e. completes whole acesulfame potassium filtrate and processes operation after having detected.
In the present invention, the hot water circulation heated that the hot water cyclesystem in S2 step uses temperature to be 60 DEG C.
Embodiment three
A kind of direct employing film that the present invention proposes processes the method for equivalent dialysis, comprises the following steps:
S1: the filtrate of acesulfame potassium is stored in filtrate tanks, is stock solution;
S2: the temperature presetting filtrate tanks is 32 DEG C, opens the hot water cyclesystem outside filtrate tanks, makes filtrate tanks former The temperature of liquid rises to preset temperature, arranges entering film and going out film pressure and be 23.5kg in film device simultaneously, treats that stock solution temperature reaches After preset temperature, open the outlet valve of filtrate tanks and the imported valve of film device, make stock solution enter film device, then lead to Cross the membranous system in film device to carry out, through concentrating, passing through through the organic membrane that membranous system middle-molecular-weihydroxyethyl is 1200, film clear liquid Flow to clear liquid storage tank recycle;
S3: when the film clear liquid flux in film clear liquid storage tank drops to 50L/PM, add in the circulating tank filling film dope The water entering isodose is dialysed, and acesulfame potassium is dialyzed out and flows to collecting tank and recycles;
S4: in circulating tank, remaining residual liquid is directly discharged to liquid waste processing center and carries out liquid waste processing;
S5: be carried out film device and detect, i.e. completes whole acesulfame potassium filtrate and processes operation after having detected.
In the present invention, the hot water circulation heated that the hot water cyclesystem in S2 step uses temperature to be 90 DEG C.
Embodiment four
S1: the filtrate of acesulfame potassium is stored in filtrate tanks, is stock solution;
S2: the temperature presetting filtrate tanks is 40 DEG C, opens the hot water cyclesystem outside filtrate tanks, makes filtrate tanks former The temperature of liquid rises to preset temperature, arranges entering film and going out film pressure and be 23.5kg in film device simultaneously, treats that stock solution temperature reaches After preset temperature, open the outlet valve of filtrate tanks and the imported valve of film device, make stock solution enter film device, then lead to Cross the membranous system in film device to carry out, through concentrating, passing through through the organic membrane that membranous system middle-molecular-weihydroxyethyl is 1000, film clear liquid Flow to clear liquid storage tank recycle;
S3: when the film clear liquid flux in film clear liquid storage tank drops to 35L/PM, add in the circulating tank filling film dope The water entering isodose is dialysed, and acesulfame potassium is dialyzed out and flows to collecting tank and recycles;
S4: in circulating tank, remaining residual liquid is directly discharged to liquid waste processing center and carries out liquid waste processing;
S5: be carried out film device and detect, i.e. completes whole acesulfame potassium filtrate and processes operation after having detected.
In the present invention, the hot water circulation heated that the hot water cyclesystem in S2 step uses temperature to be 80 DEG C.
Embodiment five
S1: the filtrate of acesulfame potassium is stored in filtrate tanks, is stock solution;
S2: the temperature presetting filtrate tanks is 34 DEG C, opens the hot water cyclesystem outside filtrate tanks, makes filtrate tanks former The temperature of liquid rises to preset temperature, arranges entering film and going out film pressure and be 24kg in film device simultaneously, treats that stock solution temperature reaches Open the outlet valve of filtrate tanks and the imported valve of film device after preset temperature, make stock solution enter film device, then pass through Membranous system in film device carries out, through concentrating, passing through through the organic membrane that membranous system middle-molecular-weihydroxyethyl is 1000, film clear liquid stream Recycle to clear liquid storage tank;
S3: when the film clear liquid flux in film clear liquid storage tank drops to 35L/PM, add in the circulating tank filling film dope The water entering isodose is dialysed, and acesulfame potassium is dialyzed out and flows to collecting tank and recycles;
S4: in circulating tank, remaining residual liquid is directly discharged to liquid waste processing center and carries out liquid waste processing;
S5: be carried out film device and detect, i.e. completes whole acesulfame potassium filtrate and processes operation after having detected.
In the present invention, the hot water circulation heated that the hot water cyclesystem in S2 step uses temperature to be 80 DEG C.
Take the acesulfame potassium filtrate of same batch to be respectively adopted the method for above-described embodiment one~five and carry out filtrate process, and to filter The processing procedure of liquid and parameter carry out itemized record, and record result is as follows:
The record of embodiment one:
The final products obtained therefrom color of embodiment one is transparent.
The record of embodiment two:
The final products obtained therefrom color of embodiment two is transparent.
The record of embodiment three:
The final products obtained therefrom color of embodiment three is transparent.
The record of embodiment four:
The final products obtained therefrom color of embodiment four is transparent.
The record of embodiment five:
The final products obtained therefrom color of embodiment five is transparent.
Showing according to above-mentioned process record, the film that the present invention proposes processes the method for equivalent dialysis and processes acesulfame potassium filtrate High treating effect, can meet the demand for heat of acesulfame potassium filtrate under conditions of the hot water circulation heated of 60~90 DEG C, save Concentration removal process, saves substantial amounts of steam energy consumption, and material is not easily decomposed, the product face after embodiment one~five process Color is the most transparent, and the clearance of organic salt is high, and the film clear liquid of gained and acesulfame potassium all can directly recycle.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto, Any those familiar with the art in the technical scope that the invention discloses, according to technical scheme and Inventive concept equivalent or change in addition, all should contain within protection scope of the present invention.

Claims (6)

1. the method that a direct employing film processes equivalent dialysis, it is characterised in that comprise the following steps:
S1: the filtrate of acesulfame potassium is stored in filtrate tanks, is stock solution;
S2: the temperature presetting filtrate tanks is 20~50 DEG C, opens the hot water cyclesystem outside filtrate tanks, makes filtrate tanks former The temperature of liquid rises to preset temperature, and arrange entering film and going out film pressure in film device is 15~30kg simultaneously, treats that stock solution temperature reaches After preset temperature, open the outlet valve of filtrate tanks and the imported valve of film device, make stock solution enter film device, then lead to Crossing the membranous system in film device to carry out through concentrating, the passing through of organic membrane in membranous system, film clear liquid flows to clear liquid storage tank to be carried out Recycle;
S3: when the film clear liquid flux in film clear liquid storage tank drops to 20~60L/PM, add in the circulating tank filling film dope The water entering isodose is dialysed, and acesulfame potassium is dialyzed out and flows to collecting tank and recycles;
S4: in circulating tank, remaining residual liquid is directly discharged to liquid waste processing center and carries out liquid waste processing;
S5: be carried out film device and detect, i.e. completes whole acesulfame potassium filtrate and processes operation after having detected.
A kind of direct employing film the most according to claim 1 processes the method for equivalent dialysis, it is characterised in that described S2 walks The hot water circulation heated that hot water cyclesystem in Zhou uses temperature to be 60~90 DEG C.
A kind of direct employing film the most according to claim 1 processes the method for equivalent dialysis, it is characterised in that described S2 walks The organic membrane that organic membrane in Zhou uses molecular weight to be 800~1200.
A kind of direct employing film the most according to claim 1 processes the method for equivalent dialysis, it is characterised in that described S2 walks Organic membrane in Zhou uses molecular weight to be the organic membrane of 1000.
A kind of direct employing film the most according to claim 1 processes the method for equivalent dialysis, it is characterised in that described S2 walks In rapid, the temperature of filtrate tanks is 25~40 DEG C.
A kind of direct employing film the most according to claim 1 processes the method for equivalent dialysis, it is characterised in that described S2 walks Entering film in Zhou and going out film pressure is 20~25kg.
CN201610662083.XA 2016-08-12 2016-08-12 A kind of direct employing film processes the method for equivalent dialysis Pending CN106262665A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10023546B2 (en) 2016-09-21 2018-07-17 Celanese International Corporation Acesulfame potassium compositions and processes for producing same
US10030000B2 (en) 2016-09-21 2018-07-24 Celanese International Corporation Acesulfame potassium compositions and processes for producing same
US10029998B2 (en) 2016-09-21 2018-07-24 Celanese International Corporation Acesulfame potassium compositions and processes for producing same
US10029999B2 (en) 2016-09-21 2018-07-24 Celanese International Corporation Acesulfame potassium compositions and processes for producing same
USRE48464E1 (en) 2012-06-08 2021-03-16 Celanese Sales Germany Gmbh Process for producing acesulfame potassium

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CN102380226A (en) * 2011-09-07 2012-03-21 安徽金禾实业股份有限公司 Acesulfame sugar water concentration method
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CN1736892A (en) * 2005-08-08 2006-02-22 南京工业大学 Method for recycling sodium hydroxide from pigment containing alkali waste liquid
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Cited By (25)

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Publication number Priority date Publication date Assignee Title
USRE48464E1 (en) 2012-06-08 2021-03-16 Celanese Sales Germany Gmbh Process for producing acesulfame potassium
US10759771B2 (en) 2016-09-21 2020-09-01 Celanese International Corporation Acesulfame potassium compositions and processes for producing same
US11724994B2 (en) 2016-09-21 2023-08-15 Celanese International Corporation Acesulfame potassium compositions and processes for producing same
US10029999B2 (en) 2016-09-21 2018-07-24 Celanese International Corporation Acesulfame potassium compositions and processes for producing same
US10208004B2 (en) 2016-09-21 2019-02-19 Celanese International Corporation Acesulfame potassium compositions and processes for producing same
US10227316B2 (en) 2016-09-21 2019-03-12 Celanese International Corporation Acesulfame potassium compositions and processes for producing same
US10233163B2 (en) 2016-09-21 2019-03-19 Celanese International Corporation Acesulfame potassium compositions and processes for producing same
US10233164B2 (en) 2016-09-21 2019-03-19 Celanese International Corporation Acesulfame potassium compositions and processes for producing same
US10590096B2 (en) 2016-09-21 2020-03-17 Celenese International Corporation Acesulfame potassium compositions and processes for producing same
US10590098B2 (en) 2016-09-21 2020-03-17 Celanese International Corporation Acesulfame potassium compositions and processes for producing same
US10590097B2 (en) 2016-09-21 2020-03-17 Celanese International Corporation Acesulfame potassium compositions and processes for producing same
US11731948B2 (en) 2016-09-21 2023-08-22 Celanese International Corporation Acesulfame potassium compositions and processes for producing same
US10029998B2 (en) 2016-09-21 2018-07-24 Celanese International Corporation Acesulfame potassium compositions and processes for producing same
US10781191B2 (en) 2016-09-21 2020-09-22 Celanese International Corporation Acesulfame potassium compositions and processes for producing same
US10781190B2 (en) 2016-09-21 2020-09-22 Celanese International Corporation Acesulfame potassium compositions and processes for producing same
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US10030000B2 (en) 2016-09-21 2018-07-24 Celanese International Corporation Acesulfame potassium compositions and processes for producing same
US10954203B2 (en) 2016-09-21 2021-03-23 Celanese International Corporation Acesulfame potassium compositions and processes for producing same
US10954204B2 (en) 2016-09-21 2021-03-23 Celanese International Corporation Acesulfame potassium compositions and processes for producing same
US10961207B2 (en) 2016-09-21 2021-03-30 Celanese International Corporation Acesulfame potassium compositions and processes for producing same
US10975047B2 (en) 2016-09-21 2021-04-13 Celanese International Corporation Acesulfame potassium compositions and processes for producing same
US11718594B2 (en) 2016-09-21 2023-08-08 Celanese International Corporation Acesulfame potassium compositions and processes for producing same
US10023546B2 (en) 2016-09-21 2018-07-17 Celanese International Corporation Acesulfame potassium compositions and processes for producing same
US11724993B2 (en) 2016-09-21 2023-08-15 Celanese International Corporation Acesulfame potassium compositions and processes for producing same
US10590095B2 (en) 2016-09-21 2020-03-17 Celanese International Corporation Acesulfame potassium compositions and processes for producing same

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Application publication date: 20170104