Section I 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.- Section 2 Filters.- Operation and performance of the EPRI hot gas filter at Grimethorpe PFBC Establishment: 1987-1992.- Filtration properties of dust from fluidised 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 fiber filter bags.- Ceramic honeycomb filter for hot gas cleaning.- Compact ceramic membrane gas filter.- High temperature gas cleaning - catalyst recovery.- Hightemperature dust collection using a unique metallic fiber 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 sulfur and dust removal process for IGCC power generation system.- Section 3 Chemical Separations.- High temperature desulfurization 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 fluidised bed boiler.- Hydrogen sulfide 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 adsoprtion from simulated incinerator flue gases: sorbent selection for cesium 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 sulfide decomposition gases using inorganic membranes.