Catalyst and preparation method for sweetening gasoline
A catalyst and a technology for desulfurization, which are applied in the field of desulfurization and can solve problems such as restrictions
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Embodiment 1
[0034] Add 25 parts (mass ratio) of styrene, 75 parts of butadiene, 200 parts of deionized water, 3.0 parts of emulsifier sorbitan ester, 1.5 parts of electrolyte KCl, 0.09 parts of chelating agent ethylenediaminetetra Sodium iron acetate (EDTA), pre-emulsified for 20 minutes, after the temperature is cooled to 5°C, add 0.04 parts of dicumyl hydroperoxide and 0.04 parts of ferrous sulfate, 0.2 parts of regulator tertiary dodecyl mercaptan, in React at 5°C for 7 hours, control the conversion rate of the two monomers at about 60%, add a mercaptan terminator, and obtain a styrene-butadiene rubber emulsion with a particle size of about 200 nm. Measure 250 mL of deionized water into a beaker, add 12.0 g of 68% nitric acid into the deionized water, mix well, and place in a water bath at 80°C. Weigh 9.0 g of styrene-butadiene rubber emulsion and add it into the prepared deionized water nitric acid solution, and stir evenly to obtain an acid solution containing a pore-enlarging agent....
Embodiment 2
[0037]Add 30 parts (mass ratio) of styrene, 70 parts of butadiene, 200 parts of deionized water, 4.0 parts of emulsifier sorbitan ester, 1.0 parts of electrolyte KCl, 0.12 parts of chelating agent ethylenediaminetetra Sodium iron acetate (EDTA), pre-emulsified for 30 minutes, after the temperature is cooled to 5°C, add 0.04 parts of dicumyl hydroperoxide, 0.04 parts of ferrous sulfate, 0.4 parts of regulator tertiary dodecyl mercaptan, React at 5°C for 7 hours, control the monomer conversion rate at about 60%, add a hydroquinone terminator, and obtain a styrene-butadiene rubber emulsion with a particle size of about 100 nm. Measure 260mL of deionized water into a beaker, add 15.0g of acetic acid into the deionized water, mix well, and place in a water bath at 80°C. Weigh 15.0 g of styrene-butadiene rubber emulsion and add it into the prepared deionized water acid solution, and stir evenly to obtain the acid solution containing the pore-enlarging agent. Weigh 300g of pseudo-bo...
Embodiment 3
[0040] Add 35 parts (mass ratio) of styrene, 65 parts of butadiene, 200 parts of deionized water, 5.0 parts of dodecanoyldiethanolamide, 0.8 parts of electrolyte KCl, 0.10 parts of pH regulator KOH in a 10L polymerization kettle. Emulsify for 20 minutes, add 0.05 parts of initiator azobisisobutyronitrile and 0.6 parts of regulator tertiary dodecyl mercaptan after cooling down to 7°C, react at 7°C for 7 hours, control the monomer conversion rate at about 60% and add Mercaptan terminator to obtain styrene-butadiene rubber emulsion with a particle size of about 50nm. A styrene-butadiene rubber emulsion with a particle size of about 200nm is obtained.
[0041] Measure 260mL of deionized water into a beaker, add 18.0g of acetic acid into the deionized water, mix well, and place in a water bath at 80°C. Weigh 120.0 g of styrene-butadiene rubber emulsion and add it into the prepared deionized water acid solution, and stir evenly to obtain an acid solution containing a pore-enlarging...
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