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Mineral particle preparation method

A technology of microparticles and methods, applied in botany equipment and methods, chemicals for biological control, biocides, etc., can solve the problems of water consumption, harm to human body, environmental protection and other problems in the process, and achieve low production cost, The effect of streamlining production steps

Pending Publication Date: 2021-01-29
丽钛科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Because the raw materials of this method contain chloride ions, repeated centrifugation and water washing are required in the manufacturing process to ensure that the concentration of chloride ions in the finished product is lower than 10ppm. Therefore, this method has the disadvantage of being environmentally friendly and consumes a lot of water.
In addition, if the centrifugation and water washing are not sufficient, when the silver component is added later, the residual chloride ions will cause the problem of silver chloride precipitation, and the residual chloride ions in the finished product may also be harmful to the human body.

Method used

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Examples

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Embodiment 1

[0031] refer to Figures 1 to 4 , Example 1 of the mineral particle production method of the present invention includes a polyethylene glycol titanium preparation step S1, a mixing step S2, and a heating step S3.

[0032] In the step S1 of preparing titanium polyethylene glycol, first weigh 1000 grams (10 parts by weight) of ethylene glycol into the reaction bottle, and then slowly add 100 grams (1 part by weight) of titanium isopropoxide In ethylene glycol, and at room temperature, stirring at 200 rpm for 30 minutes, so that ethylene glycol and titanium isopropoxide are mixed and reacted to form a polyethylene glycol titanium solution. The polyethylene glycol titanium solution contains polyethylene glycol titanium and a small amount of unreacted titanium isopropoxide and ethylene glycol.

[0033] In the mixing step S2, first weigh 200g (2 parts by weight) of an aqueous acetic acid solution (containing 1 gram - 0.01 parts by weight of acetic acid) with a concentration of 0.5 ...

Embodiment 2

[0046] Embodiments 2 to 8 are similar to the embodiment 1, the difference is that in the heating step S3 in the embodiment 2, the temperature of the second mixed solution is maintained at about 90° C. In step S2, 10g (0.1 parts by weight) of silver nitrate solution is added. In the step of preparing titanium polyethylene glycol, 2500g (25 parts by weight) of ethylene glycol is used in Example 4. In Example 5, Similar to Example 4, but in the mixing step S2, further take more acetic acid aqueous solution (800g-that is, 8 parts by weight), embodiment 6 is similar to Example 5, but in the mixing step S2 Be to take more silver nitrate solution (200g-i.e. 2 parts by weight) further, the usage amount of the aqueous acetic acid solution of embodiment 7 is less, just be to only use 50g (0.5 parts by weight) in the mixing step S2 Acetic acid aqueous solution, the usage amount of the silver nitrate solution of embodiment 8 is more, just be to take the silver nitrate solution of 500g (5 ...

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Abstract

The invention relates to a mineral particle preparation method, which comprises the steps of: A, taking 1 part by weight of a titanium material, and performing mixing with 10-25 parts by weight of diol to obtain a polyglycol titanium solution, wherein the titanium material is selected from at least one of titanium isopropylate, titanium ethoxide, n-propyl titanium oxide, titanium isopropoxide, third butyl titanium oxide, n-butyl titanium oxide and a group composed of the above materials; B, mixing the polyglycol titanium solution, weak carboxylic acid and water to obtain an intermediate solution with a pH value of x, wherein x is larger than or equal to 6 and smaller than 8; and C, maintaining the temperature of the intermediate solution at more than 70DEG C but less than 100DEG C for at least 8 hours. The materials used in the preparation method do not contain chlorine, so that the finished product does not contain chlorine and does not need to be washed with water, the whole preparation process is simpler, and the cost is lower. In addition, the finished product does not have the health problem of residual chlorine derivation.

Description

technical field [0001] The invention relates to a method for preparing a photocatalyst, in particular to a method for preparing mineral particles containing titanium dioxide. Background technique [0002] China Taiwan Announcement No. I460132 patent case provides a method for preparing titanium dioxide sol catalyst, mainly adding titanium tetrachloride to an aqueous hydrochloric acid solution with a concentration of 1 to 5 moles, and adding ammonia water to form a pH value between 7 and 12 Titanium hydroxide colloid, and after adding a specific ratio of water and hydrogen peroxide, heated at 70°C to 100°C to prepare a titanium dioxide sol catalyst. [0003] Since the raw materials of this method contain chloride ions, repeated centrifugation and water washing are required in the manufacturing process to ensure that the concentration of chloride ions in the finished product is lower than 10ppm. Therefore, this method has the disadvantage of being not environmentally friendly ...

Claims

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Application Information

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IPC IPC(8): B01J21/06B01J23/50B01J37/10A01N59/16A01P1/00A01P3/00C01G23/053B82Y40/00
CPCB01J21/063B01J23/50A01N59/16B01J37/10C01G23/053B82Y40/00C01P2004/03C01P2002/84C01P2002/72C01P2004/64B01J35/393B01J35/23
Inventor 陈雍颛叶至忠
Owner 丽钛科技有限公司
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