CN101812546B - Preparation of phosphoric acid composite decolorizer and application method thereof - Google Patents
Preparation of phosphoric acid composite decolorizer and application method thereof Download PDFInfo
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- CN101812546B CN101812546B CN2010101541711A CN201010154171A CN101812546B CN 101812546 B CN101812546 B CN 101812546B CN 2010101541711 A CN2010101541711 A CN 2010101541711A CN 201010154171 A CN201010154171 A CN 201010154171A CN 101812546 B CN101812546 B CN 101812546B
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- phosphoric acid
- decolorizer
- acid composite
- industrial
- urea
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Abstract
The invention discloses a preparation of a phosphoric acid composite decolorizer and an application method thereof. The decolorizer takes phosphoric acid as the raw material; after being diluted to 0.85%, the phosphoric acid is mixed with urea or quaternary ammonium salt; and the mixture reacts at the temperature of 50 DEG C-80 DEG C for 30-60 minutes to obtain the phosphoric acid composite decolorizer solution. In the common sugarcane sulfurous method sugar preparation process, the phosphoric acid composite decolorizer solution replaces industrial phosphoric acid to be added into mixed juice, rough syrup or remelt syrup of brown granulated sugar, and the addition is equivalent to 200-400 mg/kg of P2O5. Compared with the prior art, the invention has the advantages: 1, the invention is suitable for sugarcane sulfurous method process and has strong pertinence; 2, the phosphoric acid composite decolorizer is simple and quick to synthesize; 3, the application of the phosphoric acid composite decolorizer improves the decoloration effect of sugarcane juice and reduces the dosage of other auxiliary clarifying agents (sulphur, phosphoric acid, lime and polyacrylamide).
Description
Technical field
The present invention relates to a kind of preparation and application method thereof of phosphoric acid composite, specifically is a kind of preparation and application method thereof of phosphoric acid composite decolorizer.
Background technology
China's cane sugar factory adopts sulfitation process craft mostly; Traditional sulfurous method clarification process removes coloring matter, much is to realize that by improving intensity of sulfitation sulfur consumption increases; Cause sulfur dioxide residual quantity increase in the white sugar easily, influence food safety.Increase sulfur consumption and not only increase production cost, also produce industrial waste, do not meet China to industrial low consumption, oligosaprobic overall goal requirement.The technological improvement of sulfitation sugar mill is not only the raising production management; More important is exactly to increase input aspect the last stage clarifying treatment of producing; Add suitable clarify and decolorize agent,, comprise the dark matter of removing in the brown sugar (Saccharum Sinensis Roxb.) retro-dissolved syrup to improve clear juice, syrupy clarify and decolorize treatment effect.
At present, in sugarcane sulfurous method sugar refining technology, using phosphoric acid composite decolorizer is not reported.
Summary of the invention
The deficiency and the sugar industry that the present invention is directed to prior art be to the discoloring agent demand, proposes a kind of preparation and application method thereof of easy, easy-operating phosphoric acid composite decolorizer.
The technical scheme that the present invention solves the problems of the technologies described above is following:
Phosphoric acid composite decolorizer is to be that raw materials mix forms with phosphoric acid, urea or quaternary ammonium salt, and phosphoric acid is 3: 1～6: 1 with the urea quality ratio, and phosphoric acid and quaternary ammonium salt mass ratio are 1: 1～3: 1, and operation steps is following:
1. take by weighing phosphoric acid and urea or quaternary ammonium salt by above-mentioned mass ratio.
2. mix 50～80 ℃ of mixing temperatures, mixing time 30～60 minutes again with urea or quaternary ammonium salt after earlier phosphoric acid being diluted to 0.85%.
Above-mentioned phosphoric acid, urea, quaternary ammonium salt are industrial phosphoric acid, industrial urea, industrial quaternary ammonium salt.
The application method of phosphoric acid composite decolorizer:
1. in mixing juice, use: under the constant condition of former sugarcane sulfurous legal system sugar technical process, replace industrial phosphoric acid in mixing juice discoloring agent, the add-on of discoloring agent is that 300mg/kg～780mg/kg is equivalent to P
2O
5200mg/kg～300mg/kg.
2. in evaporation raw sugar slurry, use: under the constant condition of former sugarcane sulfurous legal system sugar technical process, replace industrial phosphoric acid to join in the evaporation raw sugar slurry discoloring agent, the add-on of discoloring agent is that 375mg/kg～780mg/kg is equivalent to P
2O
5250mg/kg～300mg/kg.
3. in retro-dissolved syrup, use: under the constant condition of former sugarcane sulfurous legal system sugar technical process, replace industrial phosphoric acid to join in the retro-dissolved syrup discoloring agent, the add-on of discoloring agent is that 375mg/kg～1000mg/kg is equivalent to P
2O
5250mg/kg～400mg/kg.
The present invention uses the method for industrial phosphoric acid to compare with routine and has the following advantages:
1. phosphoric acid composite decolorizer is that coloring matter electronegative in the sugarcane juice is decoloured, and is applicable to the sugarcane sulfitation process craft, and is with strong points.
2. phosphoric acid composite decolorizer is synthetic simple, quick, can accomplish in 60 minutes, is easy in the directly synthetic use of production line.
3. the use of phosphoric acid composite decolorizer has increased the decolorizing effect of sugarcane juice, thereby can reduce the consumption of other auxiliary finingss (sulphur, phosphoric acid, lime, SEPIGEL 305s), can not increase sugar refinery production cost.
4. it is cheap to synthesize the used raw material of phosphoric acid composite decolorizer, obtains conveniently, safe in utilization.
Embodiment
Below in conjunction with embodiment the present invention is further described.But need to prove that embodiment does not constitute the restriction to claim protection domain of the present invention.
Embodiment 1
1. industrial phosphoric acid is mixed by mass ratio with industrial urea at 6: 1,70 ℃ of mixing temperatures, mixing time was processed phosphoric acid composite decolorizer in 30 minutes.
2. under the constant condition of former sugarcane sulfurous legal system sugar technical process, substitute conventional industrial phosphoric acid with phosphoric acid composite decolorizer and be added in the mixing juice, add-on is equivalent to contain P
2O
5Amount 250mg/kg, color value of clear juice is than reducing 170IU with industrial phosphoric acid.
Embodiment 2
1. industrial phosphoric acid is mixed by mass ratio with industrial quaternary ammonium salt at 1: 1,80 ℃ of mixing temperatures, mixing time was processed phosphoric acid composite decolorizer in 40 minutes.
2. under the constant condition of former sugarcane sulfurous legal system sugar technical process, substitute conventional industrial phosphoric acid with phosphoric acid composite decolorizer and be added in the mixing juice, add-on is equivalent to contain P
2O
5Amount 250mg/kg, color value of clear juice is than reducing 230IU with conventional traditional industry phosphoric acid.
Embodiment 3
1. phosphoric acid is mixed by mass ratio with urea at 3: 1,70 ℃ of mixing temperatures, mixing time was processed phosphoric acid composite decolorizer in 40 minutes.
2. under the constant condition of former sugarcane sulfurous legal system sugar technical process, substitute conventional industrial phosphoric acid with phosphoric acid composite decolorizer and be added in the brown sugar (Saccharum Sinensis Roxb.) retro-dissolved syrup, add-on is equivalent to contain P
2O
5Amount 300mg/kg, the syrup colour reduces 200IU than the conventional industrial phosphoric acid that uses.
Embodiment 4
1. industrial phosphoric acid is mixed by mass ratio with industrial quaternary ammonium salt at 3: 1,80 ℃ of mixing temperatures, mixing time was processed phosphoric acid composite decolorizer in 30 minutes.
2. the original production process flow process is constant, substitutes conventional industrial phosphoric acid with phosphoric acid composite decolorizer and is added in the brown sugar (Saccharum Sinensis Roxb.) retro-dissolved syrup, and add-on is equivalent to contain P
2O
5Amount 300mg/kg, the syrup colour reduces 310IU than the conventional industrial phosphoric acid that uses.
Embodiment 5
1. industrial phosphoric acid is mixed by mass ratio with industrial urea at 3: 1,70 ℃ of mixing temperatures, mixing time was processed phosphoric acid composite decolorizer in 40 minutes.
2. the original production process flow process is constant, substitutes conventional industrial phosphoric acid with phosphoric acid composite decolorizer and is added in the raw sugar slurry come-up technology, and dosage is equivalent to contain P
2O
5Amount 300mg/kg, the syrup colour reduces 330IU than the conventional industrial phosphoric acid that uses.
Embodiment 6
1. industrial phosphoric acid is mixed by mass ratio with industrial quaternary ammonium salt at 3: 1,80 ℃ of mixing temperatures, mixing time was processed phosphoric acid composite decolorizer in 30 minutes.
2. the original production process flow process is constant, substitutes conventional industrial phosphoric acid with phosphoric acid composite decolorizer and is added in the raw sugar slurry come-up technology, and add-on is equivalent to contain P
2O
5Amount 300mg/kg, the syrup colour reduces 380IU than the conventional industrial phosphoric acid that uses.
Claims (5)
1. a phosphoric acid composite decolorizer is characterized in that, described discoloring agent is that raw materials mix forms with phosphoric acid, urea or quaternary ammonium salt, and phosphoric acid is 3: 1～6: 1 with the urea quality ratio, and phosphoric acid and quaternary ammonium salt mass ratio are 1: 1～3: 1, and operation steps is following:
1) takes by weighing phosphoric acid and urea or quaternary ammonium salt by above-mentioned mass ratio.
2) 50～80 ℃ of mixing temperatures, mixing time 30～60 minutes are mixed after phosphoric acid is diluted to 0.85% again by elder generation with urea or quaternary ammonium salt;
2. phosphoric acid composite decolorizer according to claim 1 is characterized in that, said phosphoric acid, urea, quaternary ammonium salt are industrial phosphoric acid, industrial urea, industrial quaternary ammonium salt.
3. application rights requires the method for 1 said phosphoric acid composite decolorizer; It is characterized in that; Under the constant condition of former sugarcane sulfurous legal system sugar technical process, replace industrial phosphoric acid to join in the mixing juice discoloring agent, the add-on of discoloring agent is 300mg/kg～780mg/kg when in P
2O
5200mg/kg～300mg/kg.
4. application rights requires the method for 1 said phosphoric acid composite decolorizer; It is characterized in that; Under the constant condition of former sugarcane sulfurous legal system sugar technical process, replace industrial phosphoric acid to join in the evaporation raw sugar slurry discoloring agent, the add-on of discoloring agent is that 375mg/kg～780mg/kg is equivalent to P
2O
5250mg/kg～300mg/kg.
5. application rights requires the method for 1 said phosphoric acid composite decolorizer; It is characterized in that; Under the constant condition of former sugarcane sulfurous legal system sugar technical process, replace industrial phosphoric acid to join in the retro-dissolved syrup discoloring agent, the add-on of discoloring agent is that 375mg/kg～1000mg/kg is equivalent to P
2O
5250mg/kg～400mg/kg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010101541711A CN101812546B (en) | 2010-04-23 | 2010-04-23 | Preparation of phosphoric acid composite decolorizer and application method thereof |
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| CN2010101541711A CN101812546B (en) | 2010-04-23 | 2010-04-23 | Preparation of phosphoric acid composite decolorizer and application method thereof |
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| CN101812546A CN101812546A (en) | 2010-08-25 |
| CN101812546B true CN101812546B (en) | 2012-03-28 |
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| CN109154029A (en) * | 2016-05-26 | 2019-01-04 | 罗地亚经营管理公司 | Solid composite for sugar purifying |
| CN106010273A (en) * | 2016-06-03 | 2016-10-12 | 容县自良宏旺松脂厂 | Method for preparing light-color disproportionated rosin by using phosphoric acid compound ceramsite decolorising agent |
| WO2018029500A1 (en) * | 2016-08-08 | 2018-02-15 | Rhodia Poliamida E Especialidades S.A. | New components to clarify sugar cane juice in a process for producing crystal or raw sugar |
| CN106319097A (en) * | 2016-08-17 | 2017-01-11 | 施如涛 | Clarification technology for brown granulated sugar remelting syrup |
| CN106319096A (en) * | 2016-08-17 | 2017-01-11 | 施如涛 | Clarifying method for redissolving brown granulated sugar with primary wash syrup |
| CN106337094A (en) * | 2016-08-17 | 2017-01-18 | 施如涛 | Technology for preparing A massecuite from A wash syrup remelt brown granulated sugar |
| WO2020062060A1 (en) * | 2018-09-28 | 2020-04-02 | Rhodia Operations | Method for Purifying Xylose |
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| CN1699603A (en) * | 2005-06-08 | 2005-11-23 | 霍汉镇 | Process for directly producing high quality white sugar from sugarcane |
| CN101003842A (en) * | 2006-12-19 | 2007-07-25 | 刘和清 | New clarification technique for refining sugar from sugar cane |
| CN101082065A (en) * | 2006-06-02 | 2007-12-05 | 天津市汉沽区福祥肥料加工厂 | Decolourization method for producing sucrose mix juice |
| CN101225448A (en) * | 2008-01-29 | 2008-07-23 | 霍汉镇 | Technology of carbonation process sugar factory for reducing and eliminating solid waste discharge and changing them into useful materials |
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2010
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Patent Citations (6)
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| CN87108285A (en) * | 1987-12-29 | 1988-07-27 | 广东省市头甘蔗化工厂 | Floating method replaces the clarification process of whole-juice filtering retro-dissolved syrup |
| CN1699603A (en) * | 2005-06-08 | 2005-11-23 | 霍汉镇 | Process for directly producing high quality white sugar from sugarcane |
| CN101082065A (en) * | 2006-06-02 | 2007-12-05 | 天津市汉沽区福祥肥料加工厂 | Decolourization method for producing sucrose mix juice |
| CN101003842A (en) * | 2006-12-19 | 2007-07-25 | 刘和清 | New clarification technique for refining sugar from sugar cane |
| CN101225448A (en) * | 2008-01-29 | 2008-07-23 | 霍汉镇 | Technology of carbonation process sugar factory for reducing and eliminating solid waste discharge and changing them into useful materials |
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Application publication date: 20100825 Assignee: HUBEI LIUSHUGOU CHEMICAL TECHNOLOGY Co.,Ltd. Assignor: Guangxi University Contract record no.: 2013420000119 Denomination of invention: Preparation of phosphoric acid composite decolorizer and application method thereof Granted publication date: 20120328 License type: Exclusive License Record date: 20130807 |
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