Power plant desulphurization defoamer and preparing method thereof
A defoamer and power plant technology, applied in separation methods, chemical instruments and methods, foam dispersion/prevention, etc., can solve the problems of suppressing left-right difference, affecting desulfurization efficiency, oil content, etc., to prevent the formation of bubbles, and the formula is reasonable and effective. , the effect of improving desulfurization efficiency
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Embodiment 1
[0033] A power plant desulfurization defoamer, which contains the following components with corresponding mass fractions: polyoxyalkylene ether grafted polysiloxane 18.2%, modified polyether 3.2%, monoglyceride 2.8%, fumed silica 2.8%, compound emulsifier 2.5%, simethicone emulsifier 1.9%, dimethyl dichloroethane 0.9%, polyethylene glycol 6000 distearate 0.7%, deionized water 67%; The emulsifier is composed of S-60 emulsifier and T-60 emulsifier, and the ratio of the two is 1:1.
[0034] The power plant desulfurization defoamer is made according to the following steps:
[0035] (1) Stir monoglyceride and polyethylene glycol 6000 distearate and heat to 180±5°C to form a mixture;
[0036] (2) Cool the mixture to 65±5°C, then add dimethyl dichloroethane, modified polyether and polyoxyalkylene ether grafted polysiloxane, and add a compound emulsifier to emulsify for 30±2 minutes, Form the first emulsion after emulsification;
[0037] (3) Heating deionized water to the same temp...
Embodiment 2
[0042] A power plant desulfurization defoamer, which contains the following components with corresponding mass fractions: polyoxyalkylene ether grafted polysiloxane 20%, modified polyether 4.0%, monoglyceride 3.0%, fumed silica 3.0%, compound emulsifier 2.8%, simethicone emulsifier 2.0%, dimethyl dichloroethane 1.0%, polyethylene glycol 6000 distearate 0.8%, deionized water 63.4%; The emulsifier is composed of S-60 emulsifier and T-60 emulsifier, and the ratio of the two is 1:1.
[0043] The power plant desulfurization defoamer is made according to the following steps:
[0044] (1) Stir monoglyceride and polyethylene glycol 6000 distearate and heat to 180±5°C to form a mixture;
[0045] (2) Cool the mixture to 65±5°C, then add dimethyl dichloroethane, modified polyether and polyoxyalkylene ether grafted polysiloxane, and add a compound emulsifier to emulsify for 30±2 minutes, Form the first emulsion after emulsification;
[0046] (3) Heating deionized water to the same temp...
Embodiment 3
[0051] A power plant desulfurization defoamer, which contains the following components with corresponding mass fractions: polyoxyalkylene ether grafted polysiloxane 21.6%, modified polyether 4.7%, monoglyceride 3.2%, fumed silica 3.2%, compound emulsifier 3.0%, simethicone emulsifier 2.2%, dimethyl dichloroethane 1.1%, polyethylene glycol 6000 distearate 1.0%, deionized water 60%; The emulsifier is composed of S-60 emulsifier and T-60 emulsifier, and the mass ratio of the two is 1:1.
[0052] The power plant desulfurization defoamer is made according to the following steps:
[0053] (1) Stir monoglyceride and polyethylene glycol 6000 distearate and heat to 180±5°C to form a mixture;
[0054](2) Cool the mixture to 65±5°C, then add dimethyl dichloroethane, modified polyether and polyoxyalkylene ether grafted polysiloxane, and add a compound emulsifier to emulsify for 30±2 minutes, Form the first emulsion after emulsification;
[0055] (3) Heating deionized water to the same ...
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