Preparation method and application of 1,3-dichloropropene solid slow-release preparation
A technology of dichloropropene and slow-release agent, which is applied in the field of preparation of 1,3-dichloropropene solid slow-release agent, can solve the problems of serious groundwater pollution, easy misuse, and inability to use, and achieves no three-waste discharge and method. Simple and low cost effect
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Embodiment 1
[0023] Preparation of 20wt% content preparation: 80g of adsorbent dry granular activated carbon is loaded into the glass adsorption tower, the upper port of the glass adsorption tower is the tail gas outlet, and the tail gas outlet is connected to the decomposition liquid bottle. The lower port of the glass adsorption tower is the air inlet, which is connected with the vaporization bottle. The raw material of 1,3-dichloropropene is filled in the vaporization bottle. When the 1,3-dichloropropene in the vaporization bottle is heated to 80℃~ At the boiling point, keep it for 3-4 hours. With the continuous vaporization and reduction of 1,3-dichloropropene, the adsorption temperature of the glass adsorption tower is 4~10°C. When the reduction reaches 20g, take out the activated carbon loaded in the glass adsorption tower , weighed as 100g to obtain the finished product.
[0024] Wherein, the particle weight of the adsorbent is 0.5-10 g.
Embodiment 2
[0026] Preparation of preparation with 40wt% content: the device is as in Example 1, 60g of activated clay particles are loaded into the adsorption tower, when the 1,3-dichloropropene in the vaporization bottle is heated to 80°C~boiling point, keep it for 4h, with 1, 3-Dichloropropene is continuously vaporized and reduced. The adsorption temperature of the glass adsorption tower is 4~10°C. When the reduction reaches 40g, take out the adsorption product in the glass adsorption tower and weigh it to 100g to obtain the finished product.
[0027] Among them, the commercially available activated clay is a powder with a fineness of about 100-200 mesh, which needs to be granulated and dried before use. The particle size is 0.3~0.5cm, and the particle weight is 0.5~10g.
Embodiment 3
[0029] Preparation of preparation with 40wt% content: the device is as in Example 1, 60g of adsorbent dry granular activated carbon is loaded in the adsorption tower, when the 1,3-dichloropropene in the vaporization bottle is heated to 80°C~boiling point, keep it for 4h, with 1,3-Dichloropropene is continuously vaporized and reduced. The adsorption temperature of the glass adsorption tower is 4~10°C. When the reduction reaches 40g, take out the adsorption product in the glass adsorption tower and weigh it to 100g to obtain the finished product.
[0030] Wherein, the particle weight of the adsorbent-dried granular activated carbon is 0.5-10 g.
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