CN106282419A - A kind of Caulis Sacchari sinensis juice purification process in Closed Circulation in Sugar Production - Google Patents
A kind of Caulis Sacchari sinensis juice purification process in Closed Circulation in Sugar Production Download PDFInfo
- Publication number
- CN106282419A CN106282419A CN201610650794.5A CN201610650794A CN106282419A CN 106282419 A CN106282419 A CN 106282419A CN 201610650794 A CN201610650794 A CN 201610650794A CN 106282419 A CN106282419 A CN 106282419A
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- Prior art keywords
- juice
- reverse osmosis
- filter
- membrane
- closed circulation
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Classifications
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- C—CHEMISTRY; METALLURGY
- C13—SUGAR INDUSTRY
- C13B—PRODUCTION OF SUCROSE; APPARATUS SPECIALLY ADAPTED THEREFOR
- C13B20/00—Purification of sugar juices
-
- C—CHEMISTRY; METALLURGY
- C13—SUGAR INDUSTRY
- C13B—PRODUCTION OF SUCROSE; APPARATUS SPECIALLY ADAPTED THEREFOR
- C13B20/00—Purification of sugar juices
- C13B20/16—Purification of sugar juices by physical means, e.g. osmosis or filtration
-
- C—CHEMISTRY; METALLURGY
- C13—SUGAR INDUSTRY
- C13B—PRODUCTION OF SUCROSE; APPARATUS SPECIALLY ADAPTED THEREFOR
- C13B20/00—Purification of sugar juices
- C13B20/16—Purification of sugar juices by physical means, e.g. osmosis or filtration
- C13B20/165—Purification of sugar juices by physical means, e.g. osmosis or filtration using membranes, e.g. osmosis, ultrafiltration
-
- C—CHEMISTRY; METALLURGY
- C13—SUGAR INDUSTRY
- C13B—PRODUCTION OF SUCROSE; APPARATUS SPECIALLY ADAPTED THEREFOR
- C13B30/00—Crystallisation; Crystallising apparatus; Separating crystals from mother liquors ; Evaporating or boiling sugar juice
- C13B30/002—Evaporating or boiling sugar juice
Abstract
The present invention discloses the Caulis Sacchari sinensis juice purification process in a kind of Closed Circulation in Sugar Production, and the method is the filtered juice of the subsider juice of defeco-sulfitated juice accelerated clarifier with filtered juice advection settler to be mixed gained subsider juice process through 400 mesh filter-cloth filterings；Subsider juice after filter-cloth filtering obtains permeate by tubular ultra-filtration membrane filter process；Permeate obtains concentrated solution by disc tube reverse osmosis (dt-ro) membrance concentration；Concentrated solution after disc tube reverse osmosis (dt-ro) film, by evaporation and concentration and crystallization purging operation, prepares high-quality white Saccharum Sinensis Roxb..The present invention is filtrated to get permeate by tubular ultra-filtration membrane, and compared with stock solution, purity raising 1 2%, colour reduce by 50 70%, and membrane flux is 30 L.h‑1.m‑2.By macromolecular substances such as the colloid in the removable clear juice of ultrafiltration membrance filter, starch, decolorizing effect is good, and clear juice quality is substantially improved, and is conducive to improving the quality of product white sugar.
Description
Technical field
The invention belongs to light industry technical field, the method for the Caulis Sacchari sinensis juice purification being specifically related in a kind of Closed Circulation in Sugar Production.
Background technology
Many problems such as present in Closed Circulation in Sugar Production, solid-liquid separation difficulty is big, waste liquid energy consumption is big, equipment is complicated, govern sugar
The industrial high efficiency of industry produces, the appearing as this and bring hope of membrane technology.Existing membrane technology mainly comprise microfiltration, ultrafiltration,
Reverse osmosis, electrodialysis.Contrasting with conventional separation techniques (such as evaporation, ion exchange etc.), the feature that membrane technology separates has: a, can be
Carry out under room temperature, be suitable for heat-sensitive substance and use；B, it is a physically separate process, is not required to add chemical reagent；C, it is without phase transformation
Journey, energy consumption is relatively low；D, in most cases selectivity are higher；E, concentration, purification can realize in a step；F, equipment are easily put
Greatly, optional operate in batches or continuously；G, technique are simple, non-secondary pollution.Membrane technology large-scale application commercially initiates
In field of seawater desalination, in recent years, the membrane technology in continuous progress is widely used to all trades and professions.At home and abroad have wide
Application prospect.
Ultrafiltration belongs to low-pressure membrane isolation technics, may be used for colloid and the separation of macromolecule material, and separating ranges is
0.002～0.1 nm.It, using pressure differential as motive force, applies certain pressure in solution side, and feed liquid middle-molecular-weihydroxyethyl is more than film
The material of surface micropore will be rejected by liquid feeding side, less than solute and the solvent permeable membrane of retaining molecular weight, Jin Ershi
Show the separation of feed liquid, purify or concentrate.
Reverse osmosis is a kind of membrane separating process using pressure differential as motive force, applies one in solution side and oozes higher than solution
The pressure of pressure, can make other materials in solution (inorganic salt, Organic substance, heavy metal ion etc.) be retained in semipermeable membrane side thoroughly,
Only allow water or little molecule solute selectivity through film, and then realize the separation of liquid mixture.
Non-sugar impurities in Caulis Sacchari sinensis juice is a lot, if protein, starch, glucosan, polyphenols and cerosin are (with colloid shape
Formula exists), the existence of these materials makes the subsider juice in sugar refinery the brightest.Sub-method sugar refinery product quality does not reaches high-quality grade
In factor, colour factor accounts for 65%, and impurity content and purity is relatively low etc. that factor also occupies certain proportion.It is therefore desirable to seek
Suitable technology is asked to improve the quality of sugar refinery clear juice.On the other hand, energy-saving and cost-reducing particularly important to the national economic development, sugar industry
Being energy consumption rich and influential family, country pays close attention to the energy consumption of sugar industry always and puts into effect more policy encouragement sugaring scientific research personnel and sugar refinery
It is devoted to sugar industry energy conservation.The most how overcoming the deficiencies in the prior art is that current light industry technical field needs asking of solution badly
Topic.
Summary of the invention
The invention aims to solve the deficiencies in the prior art, it is provided that the Caulis Sacchari sinensis juice purification side in a kind of Closed Circulation in Sugar Production
Method, the method utilizes ultra filtering reverse osmosis Integrated Membrane Technology purify Caulis Sacchari sinensis subsider juice and concentrate, to solve existing Caulis Sacchari sinensis
There is the problems such as clear juice clarity is low, energy consumption is high in sugar refining.
For achieving the above object, the technical solution used in the present invention is as follows:
Caulis Sacchari sinensis juice purification process in a kind of Closed Circulation in Sugar Production, it is characterised in that step is as follows:
(1) filtered juice of the subsider juice of defeco-sulfitated juice accelerated clarifier with filtered juice advection settler is mixed gained subsider juice through 400 mesh
Filter-cloth filtering processes；
(2) subsider juice after filter-cloth filtering obtains permeate by tubular ultra-filtration membrane filter process；
(3) permeate obtains concentrated solution by disc tube reverse osmosis (dt-ro) membrance concentration；
(4) concentrated solution after disc tube reverse osmosis (dt-ro) film is by conventional sugar plant process flow evaporation and concentration and crystallization purging operation system
Obtain high-quality white Saccharum Sinensis Roxb..
It is further preferred that described tubular ultra-filtration membrane filter, membrane module be internal diameter be 5-10mm, long 3.0-6.0m
Tubular film, the membrane material of employing is politef, and molecular weight is 50-100kDa；Feed pressure 0.1-0.2MPa, initially transports
Trip temperature 20-40 DEG C, runs 1h.
It is further preferred that step (2) gained permeate turbidity 0.5-0.8, electrical conductivity 3.3-3.7, pH is 7, colour
400-600, percent of decolourization 62%-72%, the membrane flux of tubular ultra-filtration membrane filter is 25-35 L.h-1.m-2。
It is further preferred that the membrane material that described disc tube reverse osmosis (dt-ro) membrance concentration uses is polyamide, feeding temperature is
30-50 DEG C, feed pressure 3-7MPa, runs time 20-30min.
It is further preferred that step (3) gained concentrated solution dissolved solids content is 25-30 Bx, concentration improves 150-
200%；The film average flux of disc tube reverse osmosis (dt-ro) film is 10-15L.h-1.m-2。
Compared with prior art, it has the beneficial effect that the present invention
(1) present invention is filtrated to get permeate by tubular ultra-filtration membrane, and compared with stock solution (subsider juice), purity improves 1-2%, color
Value reduces 50-70%, and membrane flux is 30 L.h-1.m-2.Divided greatly by the colloid in the removable clear juice of ultrafiltration membrance filter, starch etc.
Sub-material, decolorizing effect is good, and clear juice quality is substantially improved, and is conducive to improving the quality of product white sugar.
(2) permeate obtains concentrated solution by disc tube reverse osmosis (dt-ro) membrance concentration.This process is without phase transformation, simple to operate, gained
The concentrated solution quality arrived is good, can obviously reduce steam consumption for evaporation, improves the energy-saving horizontal in sugar refinery.Traditional handicraft concentrates energy resource consumption
Predominantly steam and power consumption, as a example by being dehydrated 1000Kg per hour, evaporation and concentration dehydration needs 30-40 unit.Membrance concentration technique
Operating cost predominantly electric energy and film consumption are main, and as a example by being dehydrated 1000Kg per hour, evaporation and concentration dehydration needs 7-9 unit.With
Per hour as a example by dehydration 1000Kg, present invention process compares traditional handicraft, and Energy Consumption Cost can reduce 23-31 unit.Energy-conservation effect
Fruit is notable.
(3) technique used by the present invention produces high-quality white Saccharum Sinensis Roxb., and ton sugar exceeds 500 yuan than traditional white sugar selling price,
As a example by day squeezes 2000t sugar refinery, after application this patent technique, annual sales amount can increase by 13,000,000 yuan-1,500 ten thousand yuan.
Accompanying drawing explanation
Fig. 1 is the step schematic diagram of the inventive method.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail.
It will be understood to those of skill in the art that the following example is merely to illustrate the present invention, and should not be regarded as limiting this
Bright scope.Unreceipted concrete technology or condition person in embodiment, according to the technology described by the document in this area or condition
Or carry out according to product description.Agents useful for same or instrument unreceipted production firm person, be and can be obtained by purchase
Conventional products.
Embodiment 1
A kind of Caulis Sacchari sinensis juice purification process in Closed Circulation in Sugar Production, step is as follows:
(1) filtered juice of the subsider juice of defeco-sulfitated juice accelerated clarifier with filtered juice advection settler is mixed gained subsider juice through 400 mesh
Filter-cloth filtering processes；
(2) subsider juice after filter-cloth filtering obtains permeate by tubular ultra-filtration membrane filter process；
Described tubular ultra-filtration membrane filter, membrane module be internal diameter be 5mm, the tubular film of long 3.0m, the membrane material of employing is poly-four
Fluorothene, molecular weight is 50kDa；Feed pressure 0.1MPa, initial launch temperature 20 DEG C, run 1h.
Gained permeate turbidity 0.5-0.8, electrical conductivity 3.3-3.7, pH is 7, colour 400, percent of decolourization 62%, tubular type ultrafiltration
The membrane flux of film filter is 25L.h-1.m-2。
(3) permeate obtains concentrated solution by disc tube reverse osmosis (dt-ro) membrance concentration；
The membrane material that described disc tube reverse osmosis (dt-ro) membrance concentration uses is polyamide, and feeding temperature is 30 DEG C, feed pressure 3MPa, fortune
Row time 20min.
Gained concentrated solution dissolved solids content is 25 Bx, and concentration improves 150%；The film average flux of disc tube reverse osmosis (dt-ro) film is
10L.h-1.m-2。
(4) concentrated solution after disc tube reverse osmosis (dt-ro) film is by evaporation and concentration and crystallization purging operation, prepares high-quality white
Saccharum Sinensis Roxb..
Embodiment 2
A kind of Caulis Sacchari sinensis juice purification process in Closed Circulation in Sugar Production, step is as follows:
(1) filtered juice of the subsider juice of defeco-sulfitated juice accelerated clarifier with filtered juice advection settler is mixed gained subsider juice through 400 mesh
Filter-cloth filtering processes；
(2) subsider juice after filter-cloth filtering obtains permeate by tubular ultra-filtration membrane filter process；
Described tubular ultra-filtration membrane filter, membrane module be internal diameter be 10mm, the tubular film of long 6.0m, the membrane material of employing is poly-four
Fluorothene, molecular weight is 100kDa；Feed pressure 0.2MPa, initial launch temperature 40 DEG C, run 1h.
Gained permeate turbidity 0.8, electrical conductivity 3.7, pH is 7, colour 600, percent of decolourization 72%, tubular ultra-filtration membrane filter
Membrane flux be 35 L.h-1.m-2。
(3) permeate obtains concentrated solution by disc tube reverse osmosis (dt-ro) membrance concentration；
The membrane material that described disc tube reverse osmosis (dt-ro) membrance concentration uses is polyamide, and feeding temperature is 50 DEG C, feed pressure 7MPa, fortune
Row time 30min.
Gained concentrated solution dissolved solids content is 30 Bx, and concentration improves 200%；The film average flux of disc tube reverse osmosis (dt-ro) film is
15L.h-1.m-2。
(4) concentrated solution after disc tube reverse osmosis (dt-ro) film is by evaporation and concentration and crystallization purging operation, prepares high-quality white
Saccharum Sinensis Roxb..
Embodiment 3
A kind of Caulis Sacchari sinensis juice purification process in Closed Circulation in Sugar Production, step is as follows:
(1) filtered juice of the subsider juice of defeco-sulfitated juice accelerated clarifier with filtered juice advection settler is mixed gained subsider juice through 400 mesh
Filter-cloth filtering processes；
(2) subsider juice after filter-cloth filtering obtains permeate by tubular ultra-filtration membrane filter process；
Described tubular ultra-filtration membrane filter, membrane module be internal diameter be 8mm, the tubular film of long 5.0m, the membrane material of employing is poly-four
Fluorothene, molecular weight is 80kDa；Feed pressure 0.2MPa, initial launch temperature 30 DEG C, run 1h.
Gained permeate turbidity 0.6, electrical conductivity 3.5, pH is 7, colour 500, percent of decolourization 70%, tubular ultra-filtration membrane filter
Membrane flux be 30L.h-1.m-2。
(3) permeate obtains concentrated solution by disc tube reverse osmosis (dt-ro) membrance concentration；
The membrane material that described disc tube reverse osmosis (dt-ro) membrance concentration uses is polyamide, and feeding temperature is 40 DEG C, feed pressure 5MPa, fortune
Row time 25min.
Gained concentrated solution dissolved solids content is 28 Bx, and concentration improves 180%；The film average flux of disc tube reverse osmosis (dt-ro) film is
15L.h-1.m-2。
(4) concentrated solution after disc tube reverse osmosis (dt-ro) film is by evaporation and concentration and crystallization purging operation, prepares high-quality white
Saccharum Sinensis Roxb..
Application example
As it is shown in figure 1, the subsider juice of defeco-sulfitated juice accelerated clarifier mixes gained subsider juice warp with the filtered juice of filtered juice advection settler
400 mesh filter-cloth filterings, standby.
Subsider juice 50L after filter-cloth filtering obtains permeate 20L by tubular ultra-filtration membrane filter.
Tubular ultra-filtration membrane filter film material is politef, ultrafilter membrane molecular weight 50-100kDa, effectively filters face
Long-pending 0.3-0.5m2, feed pressure 0.1-0.2MPa, feeding temperature 20-40 DEG C, the response rate 12%.With this understanding, gained passes through
Liquid turbidity 0.5-0.8, electrical conductivity 3.3-3.7, pH is 7, colour 400-600, percent of decolourization 62%-72%, membrane flux 25-35 L.h- 1.m-2.Ultrafiltration permeate is compared with stock solution (subsider juice), and purity improves 1-2%, colour reduces 50-70%.Pass through ultrafiltration membrance filter
The macromolecular substances such as colloid in removable clear juice, starch, decolorizing effect is good, and clear juice quality is substantially improved, and is conducive to improving
The quality of product white sugar.
20L permeate obtains concentrated solution by disc tube reverse osmosis (dt-ro) membrance concentration, the membrane material that disc tube reverse osmosis (dt-ro) film uses
It is polyamide, effective filter membrane area 2-3m2, feeding temperature is 30-50 DEG C, feed pressure 3-7MPa, runs time 20-
30min.After operation terminates, with clear water and suitable abluent washing/cleaning equipment every time.
Reverse osmosis concentrated liquid is compared with stock solution (ultrafiltration permeate), and purity reduces 0.5-0.6%, and colour improves 3-4%, concentrates
Liquid dissolved solids content is 25-30 Bx, and concentration improves 150-200%；The permeate response rate is 40-50%, disc tube reverse osmosis (dt-ro) film
Film average flux is 10-15L.h-1.m-2.This process is without phase transformation, simple to operate, and obtained concentrated solution quality is good, can be obvious
Reduce steam consumption for evaporation, improve the energy-saving horizontal in sugar refinery.Concentrated solution after reverse osmosis membrane is by evaporation and concentration and crystallization purging work
Sequence, prepares high-quality white Saccharum Sinensis Roxb..The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described.
Skilled person will appreciate that of the industry, the present invention is not restricted to the described embodiments, described in above-described embodiment and description
The principle that the present invention is simply described, without departing from the spirit and scope of the present invention, the present invention also has various change
And improvement, these changes and improvements both fall within scope of the claimed invention.Claimed scope is by appended
Claims and equivalent thereof define.
Claims (5)
1. the Caulis Sacchari sinensis juice purification process in a Closed Circulation in Sugar Production, it is characterised in that step is as follows:
(1) filtered juice of the subsider juice of defeco-sulfitated juice accelerated clarifier with filtered juice advection settler is mixed gained subsider juice through 400 mesh
Filter-cloth filtering processes；
(2) subsider juice after filter-cloth filtering obtains permeate by tubular ultra-filtration membrane filter process；
(3) permeate obtains concentrated solution by disc tube reverse osmosis (dt-ro) membrance concentration；
(4) concentrated solution after disc tube reverse osmosis (dt-ro) film, by evaporation and concentration and crystallization purging operation, prepares high-quality white sand
Sugar.
Caulis Sacchari sinensis juice purification process in Closed Circulation in Sugar Production the most according to claim 1, it is characterised in that described tubular ultra-filtration membrane
Filter, membrane module be internal diameter be 5-10mm, the tubular film of long 3.0-6.0m, the membrane material of employing is politef, molecule
Amount is 50-100kDa；Feed pressure 0.1-0.2MPa, initial launch temperature 20-40 DEG C, run 1h.
Caulis Sacchari sinensis juice purification process in Closed Circulation in Sugar Production the most according to claim 1, it is characterised in that step (2) gained is saturating
Crossing liquid turbidity 0.5-0.8, electrical conductivity 3.3-3.7, pH is 7, colour 400-600, percent of decolourization 62%-72%, and tubular ultra-filtration membrane filters
The membrane flux of device is 25-35 L.h-1.m-2。
Caulis Sacchari sinensis juice purification process in Closed Circulation in Sugar Production the most according to claim 1, it is characterised in that described dish tubular type reverse osmosis
It is polyamide that permeable membrane concentrates the membrane material used, and feeding temperature is 30-50 DEG C, feed pressure 3-7MPa, runs time 20-
30min。
Caulis Sacchari sinensis juice purification process in Closed Circulation in Sugar Production the most according to claim 1, it is characterised in that step (3) gained is dense
Contracting liquid dissolved solids content is 25-30 Bx, and concentration improves 150-200%；The film average flux of disc tube reverse osmosis (dt-ro) film is 10-
15L.h-1.m-2。
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| CN201610650794.5A CN106282419A (en) | 2016-08-10 | 2016-08-10 | A kind of Caulis Sacchari sinensis juice purification process in Closed Circulation in Sugar Production |
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| CN201610650794.5A CN106282419A (en) | 2016-08-10 | 2016-08-10 | A kind of Caulis Sacchari sinensis juice purification process in Closed Circulation in Sugar Production |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106337093A (en) * | 2016-08-31 | 2017-01-18 | 广西农垦糖业集团昌菱制糖有限公司 | Sugar production method of ultra-low sulfur white granulated sugar |
| CN107267672A (en) * | 2017-07-07 | 2017-10-20 | 陆丽英 | Juice method is clarified without sulphur |
| CN108083857A (en) * | 2017-12-21 | 2018-05-29 | 常州大学 | A kind of method that feces of livestock and poultry biogas slurry integrated treatment prepares liquid organic fertilizer |
| CN110016525A (en) * | 2019-04-10 | 2019-07-16 | 中国科学院近代物理研究所 | A kind of functional food sugar grass syrup and preparation method thereof |
| CN112295281A (en) * | 2020-10-09 | 2021-02-02 | 广东省科学院生物工程研究所 | Intelligent juice filtering system based on cloud computing |
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| CN102489155A (en) * | 2011-11-15 | 2012-06-13 | 广西大学 | Method for parallel production of nutrient sugar, flavor cane juice and feedstuff by multistage membranes |
| CN103194545A (en) * | 2013-04-11 | 2013-07-10 | 杭州天创环境科技股份有限公司 | Method for treating sugarcane mixed clear juice |
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| CN1224762A (en) * | 1998-09-02 | 1999-08-04 | 于文斌 | Method of producing soft white sugar directly from sugar cane |
| CN101548023A (en) * | 2006-11-08 | 2009-09-30 | 通加特休利特有限公司 | Treatment of sugar juice |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106337093A (en) * | 2016-08-31 | 2017-01-18 | 广西农垦糖业集团昌菱制糖有限公司 | Sugar production method of ultra-low sulfur white granulated sugar |
| CN107267672A (en) * | 2017-07-07 | 2017-10-20 | 陆丽英 | Juice method is clarified without sulphur |
| CN108083857A (en) * | 2017-12-21 | 2018-05-29 | 常州大学 | A kind of method that feces of livestock and poultry biogas slurry integrated treatment prepares liquid organic fertilizer |
| CN110016525A (en) * | 2019-04-10 | 2019-07-16 | 中国科学院近代物理研究所 | A kind of functional food sugar grass syrup and preparation method thereof |
| CN112295281A (en) * | 2020-10-09 | 2021-02-02 | 广东省科学院生物工程研究所 | Intelligent juice filtering system based on cloud computing |
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Application publication date: 20170104 |