1                

Novel   guide plate communicating trough liquid distributor                 

2                

Liquid   collection and redistribution trough type liquid distributor                 

3                

volume liquid distributor                

4                

extraction collection redistributor                

5                

Tower   truss support beam                

6                

One   drag two truss support beam                

7                

One   drag three truss support beam                

8                

High   temperature coking resistance liquid collector                

9                

Heat-resistant   expansion oil collecting tank                

10                

Self-flushing   tank                

11                

Double   tangential circulation gas distributor                

12                

Guide   vane gas distributor                

13                

Low-pressure   parachute diversion gas distributor                

14                

Efficient   structured catalytic packing                

15                

Low-pressure   drop large-flux structured catalytic packing                

16                

New   efficient structured packing                

17                

Guided   trapezoidal float valve                

18                

Increase   downcomer technology                

19                

Umbrella-shaped   high-efficiency fixed valve tray technology                

20                

Efficient   hanging downcomer technology                

21                

Multi-overflow   downcomer tray technology                

22                

Orthogonal   corrugated sieve tray technology                

23                

Super-hydrophobic   metal wire mesh and preparation method thereof                

24                

Extraction   and separation process of methanol and acetone                

25                

Wet   synthesis leather process of dimethylformamide                

26                

Efficient   oil-water separation technology                

27                

Naphtha   separation process and equipment                

28                

Alkylation   catalyst and process for m-cresol separation                

29                

Refining   process of isoprene extraction circulating solvent                

30                

Process   for catalytic synthesis of isoprene                

31                

N,N-dimethylacetamide   recovery process                

32                

Process   for efficient purification of phenazine from waste                

33                

Process   for synthesizing leaf alcohol by piperylene                

34                

Catalytic   synthesis of 5-tert-butyl-trimethylbenzene                

35                

Process   for selective absorption of SO2                

36                

Purification   process of high-purity xylylene                

37                

Crystallization   purification process of cracked carbon nine indene                

38                

Energy-saving   separation process of heavy aromatics                

39                

Packing   tower design calculation software