Inertial separators and electrostatic precipitators. Novel centrifuges for high temperature gas cleaning. Separation efficiency and pressure drop of cyclones at high temperatures. The analysis of the cyclone performances under high temperature for PFBC unit. Utilization of turbulence for separation of fine particles - preliminary tests with the turbulent precipitator. Electrostatic separation of fine particles at high temperature. Hot gas cleanup for advanced power generation system. Filters. Operation and performance of the EPRI hot gas filter at Grimethorpe PFBC establishment: 1987-1992. Filtration properties of dust from fluidized bed gasification systems. Filtration of flyslag from the shell coal gasification process using porous ceramic candles. Substitution of lightweight ceramics for alloy and silicon carbide in a hot gas filter. Experiences of a fibrous ceramic candle filter for hot gas cleaning in pressurized fluidized bed combustion. Applications of low density ceramic filters for gas cleaning at high temperatures. The evaluation of low-density ceramic filters in a boiler flue gas clean-up system. Aspects of pulse-jet cleaning of ceramic filter elements. Pulse jet cleaning of rigid filter elements at high temperatures. Regeneration of rigid ceramic filters. Pulse jet cleaning and internal flow in a large ceramic tube filter. Investigation into the cleaning of fibre ceramic filter elements in a high pressure hot gas dedusting pilot plant. The world market for hot-gas media filtration: current status and state-of-the-art. High temperature ceramic fibre filter bags. Ceramic honeycomb filter for hot gas cleaning. Compact ceramic membrane gas filter. High temperature gas cleaning - catalyst recovery. High temperature dust collection using a unique metallic fibre filter medium in baghouses. An integrated concept for the application of high-temperature granular bed filters in the aluminum industry. High temperature gas cleaning for PFBC using a moving granular bed filter. Development of a simultaneous sulphur and dust removal process for IGCC power generation system. Chemical separations. High temperature desulphurization of coal derived syngas: bench scale and pilot plant sorbent evaluations. Development and characterization of steam regenerable sorbents for hot gas desulphurization in coal gasification based combined cycle plant. Dependence of sulphur capture performance on air staging in a 12 mw circulating fluidized bed boiler. Hydrogen sulphide retention on limestone at high temperature and high pressure. SO2 removal from stack gases by high temperature dry process with high reactive Ca-Mg based sorbents. Cleaning of hot gases from coal gasifiers in a dry combined process. Measurement and control of alkali metal vapours in coal-derived fuel gas. Reaction of getter minerals with alkali salt vapours. Laboratory measurements of metal adsorption from simulated incinerator flue gases: sorbent selection for caesium capture. Behaviour of volatile materials in cement kiln systems. Sorption of SO2 and HCl in granular bed filters. Acid gas treatment at a Cerafil pilot plant. Prediction of dry scrubbing process performance. Membrane development for the separation of H2 and CO2; Pd/Ag alloy membranes. Simulation of hydrogen separation from hydrogen sulphide decomposition gases using inorganic membranes.

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