Solid defrother and method for making same
A manufacturing method and antifoaming agent technology, applied in chemical instruments and methods, foam dispersion/prevention, dissolution, etc., can solve problems such as increasing dosage, difficult control of antifoaming effect, and failure of antifoaming agent properties
Active Publication Date: 2009-10-28
AU OPTRONICS CORP
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Problems solved by technology
First, the viscous nature of the defoamer itself can easily lead to blockage of the pipeline of the dosing pump or related equipment, so that the operators of the waste water treatment plant need to clean it frequently, which is not ideal.
Second, because there is usually a certain distance or elevation difference between the general waste water treatment facilities and the discharge port, in order to avoid the failure of the defoamer properties, it is often necessary to increase the dosage or use a more expensive long-acting defoamer, resulting in defoamers The bubble effect is not easy to control, and the operating cost of the waste water treatment plant increases
Method used
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[0036] Defoamer is a complex fine chemical product with a wide range of uses. It can be used in textile, printing and dyeing, papermaking, food, chemical, petroleum, leather, cleaning, sewage treatment and related fields. It not only has fast defoaming and long-lasting It has anti-foaming performance, and has many advantages such as wide application range, low cost, easy production, low equipment investment, short production cycle, no environmental pollution and considerable economic benefits.
[0037] The invention provides a solid defoamer and a manufacturing method thereof. Such as figure 1 As shown, the manufacturing method of the solid defoamer of the present invention generally comprises at least the following four main steps: step 110 is to provide an alkaline solution; step 130 is to add oil to the alkaline solution to produce a saponification reaction; step 150 is to add a liquid antifoaming agent; and in step 170, standing still the mixed solution comprising alkalin...
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The invention provides a method for producing a solid defoamer, which comprises the following steps: providing an alkaline solution; adding grease to the above alkaline solution to generate a saponification reaction; adding a liquid defoamer; and standing still containing the above alkaline solution, A mixture of grease and liquid defoamer to form a solid defoamer. The solid antifoaming agent composition of the present invention comprises 5-40 weight percent of vegetable oil, 20-40 weight percent of sodium hydroxide and 30-60 weight percent of liquid antifoaming agent.
Description
technical field [0001] The invention relates to a defoamer, in particular to a solid defoamer and a manufacturing method thereof. Background technique [0002] Defoamers are mainly used in chemical industry (resin synthesis), wastewater industry, petroleum industry, paper industry, paint printing industry, fiber industry, pharmaceutical industry, fermentation industry, food factory and other related industries. At present, defoamers can be divided into the following types: water-based defoamers, oil-based defoamers, solvent-based defoamers, and self-emulsifying defoamers (water and oil). The defoamer can eliminate foam by reducing the surface tension of the liquid, and at the same time inhibit the generation of foam. [0003] From the above types of defoamers, it can be seen that traditional defoamers exist in liquid form, and most of them are milky white viscous liquids. Therefore, when used in wastewater treatment, the following disadvantages are prone to occur. First, t...
Claims
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IPC IPC(8): B01D19/04B01F17/00C09K23/00
Inventor 方少海魏鹤园
Owner AU OPTRONICS CORP