| Patent name | 
No. | 
| A method and system of conversion coal gas from lurgi gasifier into syngas that is of suitable carbon hydrogen ratio or hydrogen by partial oxidation | 
ZL200710037578.4 | 
| Equipment of spilt-rectisol method | 
ZL200910052424.1 | 
| A method and equipment of drying and purge make-up gas for ammonia production | 
ZL200910056055.3 | 
| Process and equipment of spilt isothermal sour shift | 
ZL200910056342.4 | 
| Improved waste heat boiler | 
ZL200910195802.1 | 
| Process and equipment of isothermal methanation | 
ZL200910054761.4 | 
| Process and equipment of adiabatic methanation | 
ZL200910054770.3 | 
| Process and equipment of one-through deep purge by isothermal methanation & methylate | 
ZL200910055999.9 | 
| 换热器内置冷壁式变换反应器及变换反应器与下游换热设备的直连结构   | 
ZL200910056717.7 | 
| A method of syngas production by catalyst  partial oxidation of tail gas from methanol synloop | 
ZL200910195146.5 | 
| A method of syngas production by partial oxidation of tail gas from methanol synloop | 
ZL200910195147.X | 
| High temperature vertical coil waste heat boiler | 
ZL201110084186.X | 
| Partial oxidation nozzle | 
ZL201110138654.7 | 
| A method of LNG production by distillation of coal gas at low temperature | 
ZL201110195535.5 | 
| A method of syngas production for ammonia and SNG co-production by crushed coal pressurized gasification | 
ZL201110243290.9 |