Method for synthesizing dimethyl carbonate
A technology of dimethyl carbonate and ethylene carbonate, which is applied in the field of synthesizing dimethyl carbonate, can solve the problems of poor catalyst activity and easy loss of active components, and achieve the effect of stable catalyst properties and not easy to lose
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Embodiment 1
[0018] Weigh 8.5g of magnesium nitrate hexahydrate and 7.0g of zirconium nitrate pentahydrate and dissolve them in 100ml of water, and dissolve 10g of porous SiO 2 (Degussa Aerosil 200) was added to it, heated to 90°C and evaporated to dryness, dried overnight in an oven at 120°C, and then roasted in a muffle furnace at 550°C for 4 hours to obtain the supported mixed metal oxide catalyst MO-TO 2 / SP-1, wherein the weight content of MO is 10.2%, TO 2 The weight content of the carrier SP is 14.8%, and the weight content of the carrier SP is 75.0%.
Embodiment 2
[0020] The catalyst preparation steps are the same as in [Example 1], except that the M metal salt used is 7.1g magnesium acetate tetrahydrate, and the catalyst obtained is MO-TO 2 / SP-2.
Embodiment 3
[0022] The catalyst preparation steps are the same as in [Example 1], except that the M metal salt used is 5.1 g calcium nitrate tetrahydrate, and the obtained catalyst is MO-TO 2 / SP-3.
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