1. Gasifiers require considerable technical skills for operation and maintenance.

2. Gasifiers yield nothing but trouble if they do not get continual care and attention.

3. Over a million gasifier units, usually powering road vehicles, were used during the Second World War.

4. Despite the problems revealed by wartime experience, gasifiers have tantalised researchers since the early 1970s.

5. Available gasifiers are well-designed and economically competitive, but most have been on sale for 18 months or less.

6. Other firms specialise in direct-heat gasifiers to make gas to fire furnaces and kilns.

7. Adopt coal slurry gasifier to produce methanol synthetic gas.

8. An updraft gasifier has clearly defined zones for partial combustion, reduction, and pyrolysis.

9. The advantage of co-current and counter - current gasifiers are combined in a so a called twin - fire gasifier.

10. Gas cleaning and cooling for gasifier system is accomplished by a cyclone,( ) a gas cooler with some scrubbing action and a packed bed filter.

11. Clearly, there is need for more detailed work on thermodynamic and chemical processes in small gasifiers.

12. This is the major reason for the extremely low cost of the country's gasifiers.

13. The engine is started on petrol, with just enough suction to bring the gasifier into operation.

14. It collaborates in prototype development and is testing a variety of gasifiers with its transport and planting fleets.

15. Gerald Foley and Geoffrey Barnard argue that the only proven fuels are wood and charcoal for the current gasifier technology.

16. The firm has acted as a clearing house for information on plantations, charcoal and gasifiers for years.

17. One major equipment of the integrated coal gasification cycle combination is the coal gasifier.

18. The results indicate that the system efficiency increases with increasing of the pressure and the gasifier carbon conversion ratio.

19. The major characteristic of multi - burners opposed entrained - flow gasifier is impinging flame.

20. The low - temperature blown gas discharged from the fixed - bed intermittent gasifier contains high latent heat.

21. Inner structures and components of slag layers formed by gasification of two kinds of oil-slag slurry on the furnace wall were studied in a lab scale water wall entrained-flow gasifier.

22. Corundum brick and chrome - corundum brick are the key refractories for gasifier and furnace in petrochemical industry.

23. The result shows that the loop seal can be well applied in the fluidized bed gasifier.

24. PDF model was employed to simulate the gasification process of oil in impinging entrained flow gasifier.

25. Aimed at enhancing the system efficiency, the system pressure and the gasifier carbon conversion ratio were optimized.

26. This article introduces the principle and characteristics of the TRIG gasifier, analyses the reliability, as well as describes the improvement of gas turbine and function of front-end system.

27. COREX technology is one of new iron making technologies which use a molten iron gasifier and a reduction shaft instead of coke oven and blast furnace.

28. Overall efficiency of the system is the product of gasifier efficieny and brake thermal efficieny.

29. The problems are presented of the bricks on the conical bottom of the localized coal-water slurry gasifier, quench ring and downcomer cylinder in operation in the large nitrogenous fertilizer plant.

30. The application of non - mechanical valve loop seal in a fluidized bed gasifier was studied.

31. Introduced were the research, pilot plant operation and gasifying test of briquettes made of low cost coke breeze with composite binder as a lump coke alternative to the gasifier.

32. Coal gasifier, coal gas generator, coal gasification plant, coal gasification furnace.

33. According to the measurement of flow field for the opposed tetra-burner gasifier, the gasifier was divided into several regions and the Markov chain states transfer diagram was formed.

34. In different noncombustible experiment conditions the fluctuation range of frac- tal dimensions for the differential-pressure signals of entrained-flow gasifier is 1.25—1.40.

35. Based on the modeling calculation the operation rule and optimatic conditionbed water gas gasifier are obtained.

36. IGCC technology is recognized as one of the most promising clean coal technologies while transport gasifier can gasify the coal of high ash and high ash fusion point efficiently.

37. The development of methanation process using water gas of two - stage gasifier is introduced in this paper.