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Production method of composite phosphate

A compound phosphate and production method technology, which is applied in the field of compound phosphate production, can solve the problems of slow dissolution rate, limited use, impact on food safety and production efficiency, etc., and achieve the effect of fast dissolution

Inactive Publication Date: 2016-11-09
苏州闻达食品配料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, compound phosphate plays an irreplaceable role in many fields such as food and mechanical processing, but the role of monomeric phosphate is very limited, and its use is subject to many restrictions, mainly because the dissolution rate and effect are difficult to meet the requirements at the same time
Composite phosphate can be produced by physical mixing, but because the particle size and properties of each monomer are different, it is easy to agglomerate when dissolved, and the dissolution speed is slow, which seriously affects food safety and production efficiency
[0003] Although there are some factories in the world that have already produced instant composite phosphate, the production of composite phosphate by controlling the degree of neutralization and polymerization temperature in the polymerization stage requires very high equipment and process control, and the product price is high. Many customers not available at all

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Example 1: Add a nozzle to the cooling section of sodium tripolyphosphate, spray 10% distilled water when the temperature of sodium tripolyphosphate drops to 130-150°C, adjust the cooling speed of phosphate to below 30°C within 30 minutes . Instant compound phosphate can be produced. The instant compound phosphate contains 20% of sodium pyrophosphate, 76% of sodium tripolyphosphate and 4% of sodium orthophosphate.

Embodiment 2

[0015] Example 2: When the temperature of sodium tripolyphosphate is lowered to 80-90°C, add 5% aqueous solution containing 10% sodium hexametaphosphate, keep warm for 30 minutes, and then rapidly lower the temperature. The instant compound phosphate can be produced, and the instant compound phosphate contains 85% sodium tripolyphosphate, 10% sodium pyrophosphate, and the others are orthophosphate and metaphosphate.

Embodiment 3

[0016] Example 3: When the temperature of sodium tripolyphosphate trimerization drops to 90-100°C, add 5% aqueous solution containing 10% sodium hydroxide, and cool down to about 30°C within 50 minutes. The instant compound phosphate can be produced. The instant compound phosphate contains 80% sodium tripolyphosphate, 15% sodium pyrophosphate, the others are orthophosphate and water, and the instant compound phosphate with a pH as high as 11.5.

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PUM

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Abstract

The invention discloses a production method of composite phosphate. The production method includes: using monomer phosphate or physically-mixed phosphate as the raw material, controlling the temperature to be at 200-40 DEG C, adding a certain proportion of water under a stirring state, controlling the temperature of the phosphate in different ranges, and using the hydrolysis of the phosphate to produce the composite phosphate of different proportions and properties according to different water adding proportions and temperatures. The production method has the advantages that the dissolving speed of the produced composite phosphate can reach the dissolving speed of chemical mixing, caking of the produced composite phosphate in water is avoided, the high-concentration composite phosphate is fast in dispersing, and the normal-concentration composite phosphate is fast in dissolving; the phosphate production cost of factories is not increased evidently, and only the cooling equipment of an original phosphate production line needs to be slightly modified.

Description

technical field [0001] The invention relates to a production method of composite phosphate. Background technique [0002] At present, compound phosphate has an irreplaceable role in many fields such as food and mechanical processing, but the effect of monomeric phosphate is very limited, and its use is subject to many restrictions. The main reason is that it is difficult to meet the requirements of dissolution rate and effect at the same time. Composite phosphate can be produced through physical mixing, but because the particle size and properties of each monomer are different, it is easy to agglomerate when dissolved, and the dissolution speed is slow, which seriously affects food safety and production efficiency. [0003] Although there are some factories in the world that have already produced instant composite phosphate, the production of composite phosphate by controlling the degree of neutralization and polymerization temperature in the polymerization stage requires ve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B25/26
CPCC01B25/26
Inventor 雪芳军
Owner 苏州闻达食品配料有限公司
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