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Sugar-refining special antifoaming agent and preparation method thereof

A technology of defoaming agent and surfactant, which is applied in the field of special defoaming agent and preparation for sugar making, can solve the problems of sugar making industry, large foam, etc. Effect

Inactive Publication Date: 2017-06-09
广东中联邦精细化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the above deficiencies in the prior art, the object of the present invention is to provide a special defoamer for sugar production and its preparation method, aiming to solve the problem of large amounts of foam in the sugar production industry

Method used

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Examples

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Effect test

Embodiment 1

[0019] A special defoamer for sugar production, wherein: by weight percentage, comprising:

[0020] Silicone resin 32%;

[0021] Modified polyoxyethylene silicon polyether 12%;

[0022] Higher fatty alcohol polyester 20%;

[0023] Emulsifier 15%;

[0024] Modified polysiloxane 14.5%;

[0025] Thickener 3%;

[0026] Preservatives 0.2%;

[0027] Catalyst 0.3%;

[0028] Surfactant 3%.

[0029] The present invention also provides a preparation method of the special defoamer for sugar production as described in Example 1, which includes the steps of: adding each raw material into the container, and then stirring for 90 minutes to prepare the special defoamer for sugar production.

[0030] A special defoamer for sugar production prepared in Example 1 is made of silicon polyether combined with various coagents through a special process; The bubble lasts for a long time.

Embodiment 2

[0032] A special defoamer for sugar production, wherein: by weight percentage, comprising:

[0033] Silicone resin 33%;

[0034] Modified polyoxyethylene silicon polyether 12%;

[0035] Higher fatty alcohol polyester 20%;

[0036] Emulsifier 5%;

[0037] Modified polysiloxane 20%;

[0038] Thickener 5%;

[0039] Preservatives 0.2%;

[0040] Catalyst 0.3%;

[0041] Surfactant 4.5%.

[0042] The present invention also provides a preparation method of the special defoamer for sugar production as described in Example 2, which includes the steps of: adding each raw material into the container, and then stirring for 120 minutes to prepare the special defoamer for sugar production.

[0043] A special defoamer for sugar production prepared in Example 2 is made of silicon polyether combined with various coagents through a special process; The bubble lasts for a long time.

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Abstract

The invention discloses a sugar-refining special antifoaming agent and a preparation method thereof; sugar-refining special antifoaming agent is prepared from, by weight percent, 10-45% of organic silicon resin, 3-20% of modified polyoxyethylene silicon polyether, 15-25% of higher aliphatic alcohol polyester, 1-10% of emulgator, 10-30% of modified polysiloxane, 2-5% of thickening agent, 0.1-0.3% of preservative, 0.1-0.4% of catalyst, and 3-6% of surface active agent. The sugar-refining special antifoaming agent is prepared by mixing for 90-120 minutes after adding the substance. The sugar-refining special antifoaming agent prepared by the invention is formed by refining silicon polyether and multiple active assistants through a special technique; the antifoaming agent is extremely easy to disperse in an aqueous system, strong in self-emulsifying performance, good in anti-foaming effect, and durable in foaming inhibition.

Description

technical field [0001] The invention relates to the field of defoamer production, in particular to a special defoamer for sugar production and a preparation method. Background technique [0002] During the production process of the sugar industry, the sugar liquid is mixed with air under the influence of factors such as stirring, flow and transportation, and it is easy to produce a large amount of foam. The generation of foam often makes the sugar solution tank overflow, resulting in material loss, and more foam also affects the transportation of the sugar solution, resulting in difficult operation. In the evaporation and crystallization section, thick foam slows down the evaporation and crystallization speed of water, increases energy consumption, and affects the economic benefits of sugar factories. Therefore, eliminating and suppressing the generation of sugar liquid foam is a subject that sugar factories attach great importance to. [0003] Therefore, the prior art sti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D19/04C13B20/00
CPCB01D19/0404B01D19/0409C13B20/005
Inventor 王梅玲
Owner 广东中联邦精细化工有限公司
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