| 摘要 |
<p>METHOD FOR PRODUCING ALKYLENE CARBONATE AND/oR ALKYLENE GLYCOLA asitlyn 44y; Fixpdilc-Lng aLkyler4e carbEhatn end/or aEkylebe alycol is providsd, sompriaino a aeacdial step of reacting alkylena okida, water, &mica:tan dioxido in tha preasnut of a catalyst and an alkali metal. caxbenate to prate alkvlete carbonate dud/or alkylenn glycol, and a catalyst circulation atcp of ixavexing ethylene carbonate or alkyleno glyeel frcm a reaction liquid obtalsexi in the reaction step to cixtulete A eatalyat Livid containing the catalyst to the regactim ntep, an object off .0,40cai is to pthvith anch a prodactihn meth:xi that any precipitate is not act-mutated in a reaction system while aaihtaining the hytnolysis rate, and the ccerationcan beperforwed. tably for a long period of duet The method (xavnisee a etw oE ramoving an alkali rental chloride originating EITKEE the alkali metal cathonate =stained in the reaction liquid, or cillorine,ion originating fixAu ti-16 aeral entoride No suitable figure</p> |
