Invention patent:
1. Title of invention: Method for producing isobutylene from methyl tert-butyl ether cracking
Patent number: ZL200810017086.3
2. Title of the invention: A method for preparing tert-butanol by hydration of isobutylene in the C4 component
Patent number: ZL200810016874.0
3. Title of Invention: Method for preparing butadiene by oxidative dehydrogenation of butene in axial fixed bed
Patent number: ZL200810140304.2
Utility model patent certificate:
1. Utility model name: Oxidative dehydrogenation tail gas recovery device
Patent number: ZL201120424784.2
2. Utility model name: blower with baffle door
Patent number: ZL201120423953.0
3. Name of utility model: Tail gas recovery device of ether decomposition to isobutylene plant
Patent number: ZL201120424783.8
4. Utility model name: non-condensable waste gas utilization device
Patent number: ZL201120452010.0
5. Name of utility model: Mechanical seal balancing liquid filling device
Patent number: ZL201120424886.4
6. Utility model name: Circulating butene extraction tower of methyl ethyl ketone unit
Patent number: ZL201120452313.2
7. Utility model name: methyl ethyl ketone alcohol extraction tower device
Patent number: ZL201120423473.4
8. Utility model name: circulating fluidized bed boiler sludge drying device
Patent number: ZL201120424434.6
9. Name of utility model: Waste water heat energy conversion device
Patent number: ZL201120423472.X
10. Utility model name: Device for cooling the cooling and sealing circulating water
Patent number: ZL201120424888.3
11. Utility model name: Special tool for maintenance and alignment of mainframe pumps
Patent number: ZL201120452327.4
12. Utility model name: Etherolysis device reactor reaction tail gas waste heat recovery device
Patent number: ZL201120424412.X
13. Name of the utility model: Methanol Refining Modification Device
Patent number: ZL201120530384.X
14. Name of utility model: mechanical seal of lye circulation pump
Patent number: ZL201120566104.0
15. Utility model name: Tray coupling mechanism for methyl ethyl ketone hydration reactor
Patent number: ZL201120532408.5