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A kind of ammonium sulfite method caramel color process with color rate ≥ 250000ebc

A technology of ammonium sulfite method and caramel color, which is applied in the field of ammonium sulfite method caramel color technology, can solve the problems of easy esterification, poor tinting strength, low usage, etc., to avoid esterification, good fluidity, reduce The effect of production energy consumption

Active Publication Date: 2017-04-19
QIANHE CONDIMENT & FOOD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a caramel color process by the ammonium sulfite method with a color rate ≥ 250000EBC, so as to overcome the problems that the existing ammonium sulfite method produces caramel color with high color rate, which is prone to esterification and poor tinting strength , to produce caramel color with high color rate, low consumption, strong tinting power and good fluidity, which can meet the needs of the fertilizer industry

Method used

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  • A kind of ammonium sulfite method caramel color process with color rate ≥ 250000ebc
  • A kind of ammonium sulfite method caramel color process with color rate ≥ 250000ebc
  • A kind of ammonium sulfite method caramel color process with color rate ≥ 250000ebc

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Effect test

Embodiment 1

[0037]Production of 30Be, 250000EBC double caramel color (EBC is the color rate unit of caramel color; Be refers to the Baume value of caramel color, and color rate and Baume are the measurement indicators of caramel color)

[0038] An ammonium sulfite method caramel color process with a color rate ≥ 250000EBC, comprising the following steps:

[0039] 1), metering and concentration of raw materials: measure the glucose syrup with 6000kg dry matter and DE value of 97% into the reaction tank and concentrate to 60% on a dry basis;

[0040] DE value refers to the mass percentage of reducing sugar (calculated as glucose) in dry matter;

[0041] 2), primary catalyst: add 582kg (10% of glucose syrup dry basis) sodium sulfite and 291kg (5% of glucose syrup dry basis) ammonium sulfite in concentrated glucose syrup;

[0042] 3), the first pressurized reaction: pressurize the glucose syrup added with the catalyst once in the reaction tank, and terminate the first reaction when the color...

Embodiment 2

[0051] An ammonium sulfite method caramel color process with a color rate ≥ 250000EBC, comprising the following steps:

[0052] 1), metering and concentration of raw materials: the glucose syrup with a dry matter of 6000kg and a DE value of 99% is metered into the reaction tank and concentrated to a dry basis of 70%;

[0053] DE value refers to the mass percentage of reducing sugar (calculated as glucose) in dry matter;

[0054] 2), primary catalyst: add 1188kg (20% of glucose syrup dry basis) sodium metabisulfite and 594kg (10% of glucose syrup dry basis) ammonium chloride in concentrated glucose syrup;

[0055] 3), the first pressurized reaction: pressurize the glucose syrup added with the catalyst once in the reaction tank, stop the first reaction when the color rate meets the requirements, and control the pressure gauge in the tank to 0.5Mpa during the reaction process. The internal temperature is 150°C, and the color rate is tested by sampling every 30 minutes. When the ...

Embodiment 3

[0065] Production of 30Be, 250000EBC double caramel color (EBC is the color rate unit of caramel color; Be refers to the Baume value of caramel color, and color rate and Baume are the measurement indicators of caramel color)

[0066] An ammonium sulfite method caramel color process with a color rate ≥ 250000EBC, comprising the following steps:

[0067] 1), metering and concentration of raw materials: measure the glucose syrup whose dry matter is 6000kg and the DE value is 98% into the reaction tank and concentrate until the dry basis is 70%;

[0068] DE value refers to the mass percentage of reducing sugar (calculated as glucose) in dry matter;

[0069] 2), primary catalyst: add 1764kg (30% of glucose syrup dry basis) sulfur dioxide and 882kg (15% of glucose syrup dry basis) urea in concentrated glucose syrup;

[0070] 3), the first pressurized reaction: pressurize the glucose syrup added with the catalyst once in the reaction tank, stop the first reaction when the color rate...

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Abstract

The invention relates to a process of ammonium sulfite method caramel color with color index being more than or equal to 250000EBC. The process successively comprises the following steps: raw material metering and concentrating, a first time catalyst adding: adding 10 percent to 30 percent sulfite and 5 percent to 15 percent ammonium substances or ammonia substances or amine substances in the concentrated raw material, a first time of pressurized reaction, a second time catalyst adding: adding 0.01 percent to 0.05 percent metallocene catalyst into a material after the ending of the first time of reaction, a second time of pressurized reaction, blending, and metering and filling. According to the process, the ammonium sulfite method caramel color process is first used, after a reaction system generates a lot of heterocyclic rings and olefins, the metallocene catalyst is added to perform the second time of pressurized reaction, transition metal with positive valence in the metallocene catalyst is combined with electron of a monomer molecular to realize stereospecific coordination polymerization, esterification is avoided, reaction difficulty is decreased, carbon chain growth and conjugated double bond increase are performed, so as to obtain the caramel color with the color index being more than or equal to 250000EBC, and the caramel color is good in fluidity.

Description

technical field [0001] The invention relates to the technical field of caramel color production, in particular to an ammonium sulfite caramel color process with a color rate ≥ 250,000 EBC. Background technique [0002] Caramel color is also called caramel color. According to different production processes, caramel color is usually divided into four categories: common method caramel color, caustic sulfite method caramel color, ammonia method caramel color and ammonium sulfite method caramel color. Due to different production processes, formulations, catalyst types and dosages of caramel color products, the properties, physical and chemical indicators, and hygiene indicators of the obtained caramel color products will be different, especially the color rate of the products will also vary greatly. For ammonium sulfite method caramel color, it is customary in the industry to divide it into single caramel color and double caramel color according to the level of color ratio. Gener...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09B61/00
CPCC09B61/00
Inventor 伍学明徐义刘明宣胡述勇杨九郑小明张九龙
Owner QIANHE CONDIMENT & FOOD CO LTD
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