Abstract: The invention relates to a method for operating a power plant (1) for generating electrical energy for delivery to at least one consumer (16) by combustion of a carbonaceous combustible, wherein carbon dioxide (19) is separated from the flue gas (7) of the power plant (1), the separated carbon dioxide (19) is converted at least in part into a fuel (20), characterized in that the fuel (20) is combusted at least temporarily in at least one heat engine (4) so as to form a waste gas (8), and electrical energy is generated by the heat engine (4) and is delivered to at least one consumer (16), at least some of the thermal energy of the waste gas (8) being used in at least one of the following processes: a) for heating combustion air (10) of a power plant (1); b) for heating a process medium (14) of the power plant (1); c) in a drying of the combustible of the power plant (1); and d) in carbon dioxide separation.

Abstract: The invention relates to a process for removing mercury from flue gases from combustion plants, wherein the process comprises providing an adsorbent based on carbon, producing an aqueous suspension comprising the adsorbent, introducing the suspension into the flue gas stream from the combustion plants into the dry gas phase of the flue gas which is undersaturated with water vapor and loading the adsorbent with mercury over a predetermined reaction path, keeping the mercury-laden adsorbent out of the flue gas stream and landfilling or regenerating the mercury-laden adsorbent.

Abstract: The invention relates to a method and to a system for gas scrubbing of aerosol-containing process gases using an amine-containing solvent as scrubbing agent, which is brought into contact with the process gas in an absorber column (9) and which is regenerated in a desorber column (13) and after cooling is delivered to the absorber column (9) again. The water vapor concentration of the process gas which is not saturated with water vapor is increased with water before the gas scrubbing in the absorber column (9), preferably to a degree of saturation of >0.8, such that water is condensed out of the gas phase on aerosol particles contained in the process gas, and in a following method step the aerosol particles which have grown in size are precipitated out of the process gas before the gas scrubbing.

Abstract: The invention refers to a method for operating a steam turbine power plant, and also a device for generating steam for the purpose of power generation. The method for operating a steam turbine power plant comprises at least one steam generator which is fired with a solid, granular fuel, for example with brown coal, wherein the fuel is first subject to an indirect drying in a fluidized bed drier and the fluidized bed drier is at least partially heated with steam from the water-steam cycle of the steam generator. The method is characterized in that temperature controlling in the drier is carried out in two stages in dependence upon the moisture content of the fuel, wherein first of all the temperature of the fluidized bed drier is controlled via the steam pressure of the heating steam and downstream of this controlling, a controlling of the superheating temperature of the heating steam is carried out in dependence upon the steam pressure.

Abstract: The invention relates to a method for operating a steam turbine power plant comprising at least one steam generator that is fueled by lignite, wherein the lignite is indirectly dried in a fluidized bed dryer that is heated at least partially with steam from the water-steam circuit of the steam generator. Said method is characterized in that the flue gas from the steam generator undergoes gas scrubbing to remove CO2 and that the energy required for the gas scrubbing is at least partially extracted from the drying process in the fluidized bed. The invention additionally relates to a device for creating steam from lignite comprising a drying system for the lignite and a device to scrub CO2 from the flue gas, wherein the drying process and the CO2 gas scrubbing are thermally coupled to each other.

Abstract: The invention relates to an apparatus for scattering poured goods, comprising a distributor chute (1) having a feed area (12) and having an ejection area, wherein the distributor chute (1) can be rotated about a center axis, which runs vertically in the installed position in the gravity direction of the poured goods and is mounted inclined at an angle with respect to this center axis, wherein the distributor chute (1) has a first guiding longitudinal face, which forms the front face in the rotation direction, and a second longitudinal face, which trails with respect to the rotation direction, and wherein at least the second longitudinal face forms the ejection face of the distributor chute (1). The ejection face forms an ejection edge (7), which is curved in an S-shape.

Abstract: The invention relates to an apparatus for scattering poured goods, comprising a distributor chute (1) having a feed area (12) and having an ejection area, wherein the distributor chute (1) can be rotated about a center axis, which runs vertically in the installed position in the gravity direction of the poured goods and is mounted inclined at an angle with respect to this center axis, wherein the distributor chute (1) has a first guiding longitudinal face, which forms the front face in the rotation direction, and a second longitudinal face, which trails with respect to the rotation direction, and wherein at least the second longitudinal face forms the ejection face of the distributor chute (1). The ejection face forms an ejection edge (7), which is curved in an S-shape.

Abstract: The invention concerns a process for the production of carbonaceous adsorption agents doped with elementary sulfur, in which sulfur is mixed with the adsorption agent, the mixture is heated to a temperature of between 120° C. and 150° C. and the temperature is maintained over a period of about an hour. The process is distinguished in that heating of the mixture is effected under a controlled oxygen-bearing atmosphere. The invention further concerns a process for waste gas cleaning using carbonaceous absorption agents doped with elementary sulfur. Preferably brown coal coke is used as the adsorption agent.

Abstract: The invention relates to a method for operating a steam turbine power plant comprising at least one steam generator that is fueled by lignite, wherein the lignite is indirectly dried in a fluidized bed dryer that is heated at least partially with steam from the water-steam circuit of the steam generator. Said method is characterized in that the flue gas from the steam generator undergoes gas scrubbing to remove CO2 and that the energy required for the gas scrubbing is at least partially extracted from the drying process in the fluidized bed. The invention additionally relates to a device for creating steam from lignite comprising a drying system for the lignite and a device to scrub CO2 from the flue gas, wherein the drying process and the CO2 gas scrubbing are thermally coupled to each other.

Abstract: The invention relates to an indirectly heated fluidized bed dryer (1) for drying moist, fine-grained bulk materials. The fluidized bed dryer (1) comprises a housing (2) with a gas-injection bottom (6) with built-in heat exchanger parts extending above the gas-injection bottom (6) and at least one discharge device, provided below the gas-injection bottom (60), for the dried bulk material. The fluidized bed dryer (1) according to the invention is distinguished in that the usable flow cross section of the housing (2) increases in the region of the built-in heat exchanger parts while the cross-sectional area of the housing remains the same over the height of the built-in heat exchanger parts in the direction of flow of the fluidizing medium. In this way, an inadmissible expansion of the stationary fluidized bed is reliably prevented.

Abstract: The invention relates to a process for processing brown coal for combustion and/or gasification for the purpose of power generation, wherein the brown coal moist from the pit is firstly subjected to preliminary crushing and is subsequently comminuted. The milled coal is then fed to drying in a fluidized-bed dryer. The process is characterized in that the milling apparatus is followed by a control sieving facility, with the sieve opening being selected so that essentially 100% of the brown coal passes the sieve.

Abstract: The invention relates to a method for generating process steam by burning dried lignite in a steam generator, comprising the drying of moist lignite in a fluidized bed dryer (1) with internal heat exchanger units (2) through which a heating medium flows, wherein at least some of the water is driven out of the lignite and removed from the dryer as vapors, dust is removed from the vapors in a dedusting device and the dried lignite is cooled in at least one cooler (6) arranged downstream of the fluidized bed dryer (1). The method according to the invention is distinguished by the fact that the brown coal dust occurring in the dedusting device is brought into direct contact with the dried and cooled lignite.

Abstract: The invention relates to an insulating cartridge for use as part of a pipe jacket insulation, comprising a substantially closed sheet metal casing (5) which completely encloses an insulating material filling (7). The insulating cartridge (2) according to the invention is characterized in that the insulating material filling (7) comprises a silicate aerogel.

Abstract: The invention concerns a carbonaceous sorbent in powder or grain form for the dry cleaning of waste gases from thermal processes. The sorbent includes carbon adsorbents from the group of activated carbon and/or brown coal cokes which are modified with sulfur and/or sulfur compounds. The sorbent is distinguished in that the specific surface area of the carbon adsorbents in m2/g in relation to the pore volume of the micropores in cm3/g is between 2400 and 2700.

Abstract: Sorbent for the dry cleaning of waste gases charged with mercury and process for the production thereof. The sorbent includes as an adsorptively acting constituent for example activated carbons or activated cokes which are mixed with sulfur in powder form at ambient temperature, under the action of atmospheric oxygen. The sorbent is distinguished by a given ratio in respect of the median values of the grain size of the adsorptively operative constituent to the sulfur.

Abstract: The invention refers to a method for operating a steam turbine power plant, and also a device for generating steam for the purpose of power generation. The method for operating a steam turbine power plant comprises at least one steam generator which is fired with a solid, granular fuel, for example with brown coal, wherein the fuel is first subject to an indirect drying in a fluidized bed drier and the fluidized bed drier is at least partially heated with steam from the water-steam cycle of the steam generator. The method is characterized in that temperature controlling in the drier is carried out in two stages in dependence upon the moisture content of the fuel, wherein first of all the temperature of the fluidized bed drier is controlled via the steam pressure of the heating steam and downstream of this controlling, a controlling of the superheating temperature of the heating steam is carried out in dependence upon the steam pressure.

Abstract: The invention concerns a process for the production of carbonaceous adsorption agents doped with elementary sulfur, in which sulfur is mixed with the adsorption agent, the mixture is heated to a temperature of between 120° C. and 150° C. and the temperature is maintained over a period of about an hour. The process is distinguished in that heating of the mixture is effected under a controlled oxygen-bearing atmosphere. The invention further concerns a process for waste gas cleaning using carbonaceous absorption agents doped with elementary sulfur. Preferably brown coal coke is used as the adsorption agent.

Abstract: Sorbent for the dry cleaning of waste gases charged with mercury and process for the production thereof. The sorbent includes as an adsorptively acting constituent for example activated carbons or activated cokes which are mixed with sulfur in powder form at ambient temperature, under the action of atmospheric oxygen. The sorbent is distinguished by a given ratio in respect of the median values of the grain size of the adsorptively operative constituent to the sulfur.

Abstract: The invention concerns a carbonaceous sorbent in powder or grain form for the dry cleaning of waste gases from thermal processes. The sorbent includes carbon adsorbents from the group of activated carbon and/or brown coal cokes which are modified with sulfur and/or sulfur compounds. The sorbent is distinguished in that the specific surface area of the carbon adsorbents in m2/g in relation to the pore volume of the micropores in cm3/g is between 2400 and 2700.

Abstract: The invention concerns a method of and an arrangement for co-combustion of biomasses and/or organic wastes as secondary fuel in a coal dust-fired boiler of a vapor generator. The secondary fuel is dried directly or indirectly with the flue gas of the boiler. The vapors produced in the drying operation are fed to the combustion chamber of the boiler as final combustion air and/or secondary air.