FIELD: organic chemistry, in particular improved method for production of alkylene glycol useful in antifreeze compositions, as solvent and starting material for production of polyalkylene terephthalate.
SUBSTANCE: starting mixture containing corresponding alkylene oxide and water is fed into reactor through at least one inlet, wherein reactor contains fixed bed of solid catalyst based on anion exchange resin. Mixture of reaction products containing alkylene glycol and non-reacted starting material is discharged through at least one outlet and at least one mixture part is recycled into at least one inlet or the same reactor.
EFFECT: decreased catalyst swelling and increased durability thereof.
10 cl, 1 tbl, 5 ex
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF PRODUCING ALKYLENE GLYCOL | 2008 |
|
RU2467996C2 |
| METHOD FOR PREPARING ALKYLENE GLYCOLS | 1998 |
|
RU2211211C2 |
| SOLID CATALYST USED TO CONVERT ALKYLENE OXIDE TO ALKYLENE GLYCOL | 2008 |
|
RU2470706C2 |
| METHOD OF PRODUCING ALKYLENE GLYCOL | 2008 |
|
RU2467995C2 |
| ALKYLENE OXIDE HYDROLYSIS METHOD INVOLVING CATALYST-STABILIZING ADDITIVE | 1999 |
|
RU2230728C2 |
| METHOD FOR PREPARING ALKYLENE GLYCOLS | 1999 |
|
RU2222522C2 |
| METHOD FOR PREPARING ALKYLENE GLYCOLS AND CATALYTIC COMPOSITION FOR THEIR PREPARING | 1999 |
|
RU2233261C2 |
| CATALYTIC HYDROLYSIS OF ALKYLENE OXIDES | 1998 |
|
RU2203879C2 |
| METHOD OF PRODUCING ALKYLENE GLYCOL | 2006 |
|
RU2410370C2 |
| METHOD OF OBTAINING ALKYLENE GLYCOL | 2009 |
|
RU2490247C2 |
