Abstract: The invention is directed to an arrangement of two conduits, wherein the conduits are positioned parallel with respect to each other and wherein each conduit is provided with means suitable to remove solids from its surface and positioned along the length of one of the two sides of the conduit, wherein the means are one or more pairs of oppositely oriented nozzles, each nozzle having an outflow opening for gas directed, along the surface of the conduit, towards the outflow opening of the other nozzle of said pair, wherein the pairs of oppositely oriented nozzles of one conduit are arranged in a staggered configuration relative to the pairs of oppositely oriented nozzles of the other conduit.

Abstract: A vessel for cooling syngas comprising a syngas collection chamber and a quench chamber, wherein the syngas collection chamber has a syngas outlet which is fluidly connected with the quench chamber via a tubular diptube, wherein the syngas outlet comprises of a tubular part having a diameter which is smaller than the diameter of the tubular diptube and is co-axial with the diptube, and wherein the tubular part terminates at a point within the diptube such that an annular space is formed between the tubular part and the diptube, and wherein in the annular space a discharge conduit for a liquid water is present having a discharge opening located such to direct the liquid water along the inner wall of the diptube.

Abstract: The present invention provides a process for the preparation of a polyether polyol, said process comprising polymerising one or more alkylene oxides in the presence of a multimetal cyanide complex catalyst and an initiator compound, wherein the process is carried out in a reactor vessel equipped with means for agitating its contents and the one or more alkylene oxides are supplied to an agitated mixture comprising the multimetal cyanide complex catalyst and the initiator via a feed inlet device, said feed inlet device comprising a sparger. The present invention also provides a reactor system for the preparation of polyols.

Abstract: The invention is directed to an arrangement of two conduits, wherein the conduits are positioned parallel with respect to each other and wherein each conduit is provided with means suitable to remove solids from its surface and positioned along the length of one of the two sides of the conduit, wherein the means are one or more pairs of oppositely oriented nozzles, each nozzle having an outflow opening for gas directed, along the surface of the conduit, towards the outflow opening of the other nozzle of said pair, wherein the pairs of oppositely oriented nozzles of one conduit are arranged in a staggered configuration relative to the pairs of oppositely oriented nozzles of the other conduit.

Abstract: The invention is directed to an arrangement of two conduits, wherein the conduits are positioned parallel with respect to each other and wherein each conduit is provided with means suitable to remove solids from its surface and positioned along the length of one of the two sides of the conduit, wherein the means are one or more pairs of oppositely oriented nozzles, each nozzle having an outflow opening for gas directed, along the surface of the conduit, towards the outflow opening of the other nozzle of said pair, wherein the pairs of oppositely oriented nozzles of one conduit are arranged in a staggered configuration relative to the pairs of oppositely oriented nozzles of the other conduit.

Abstract: A reactor vessel includes a dipleg connecting a tubular syngas collection chamber and a quench chamber. The collection chamber connects to the dipleg via a slag tap having a frusto-conical part starting from the lower end of the collection chamber and diverging to an opening connected to an interior of the dipleg. The slag tap has a first tubular part connected to the opening of the frusto-conical part and extending in the direction of the dipleg. A second tubular part connects to the frusto-conical part or to the tubular part and extends toward the dipleg. The second tubular part is spaced away from the dipleg to provide an annular space having a discharge conduit. The discharge conduit has a discharge opening located to direct water along the inner wall of the dipleg. At least half of the vertical length of the first tubular part extends below the discharge opening.

Abstract: Process to prepare a gas mixture of hydrogen and carbon monoxide from an ash containing carbonaceous feedstock by performing the following steps, (i) partial oxidation of the ash containing carbonaceous feedstock with an oxygen containing gas thereby obtaining liquid ash and a gas mixture comprising hydrogen, carbon monoxide and solids, (ii) separating more than 90 wt % of the liquid ash from the gas mixture, (iii) reducing the temperature of the gas mixture, in the absence of the separated ash (iv) scrubbing the cooled gas of step (iii) by contacting with liquid water obtaining a scrubbed gas and a water effluent containing ash, (v) separating the ash from the water effluent by means of a decanter centrifuge thereby obtaining a wet ash and a stream of water poor in ash.

Abstract: A spray nozzle manifold comprising a first co-axial passage for supply of an atomization gas, a second co-axial passage present in said first passage for supply of a liquid, more than one laterally spaced nozzle for atomization and spraying liquid in a direction away from the longitudinal axis of the manifold attached to the first passage, said nozzles having an inlet for liquid fluidly connected to said second passage, an inlet for atomization gas fluidly connected to the first passage, a mixing chamber wherein atomization gas and liquid mix and an outlet for a mixture of atomization gas and liquid, wherein the nozzle has an opening for discharge of atomization gas which opening is in fluid communication with the first passage at a position upstream of the mixing chamber and wherein a shield is fixed to the first passage surrounding the nozzle.

Abstract: The invention is directed to a process to prepare a gas mixture of hydrogen and carbon monoxide from an ash containing carbonaceous feedstock. The process involves a partial oxidation obtaining liquid ash and a gas mixture comprising hydrogen, carbon monoxide and solids. The liquid ash is separated from the gas mixture and the temperature of the gas mixture is reduced in the absence of the separated ash. The gas mixture is passed through a vertically positioned diptube wherein water is added to the gas mixture flowing through the diptube to obtain a gas/water mixture. The liquid is separated from the gas/water mixture. The gas thus obtained is passed together with an amount of liquid water through a venturi mixer and scrubbed.

Abstract: The invention describes a process for the separation of an oil/water mixture into an oil rich phase and a water rich phase using an inline separation device, an inlet, a vortex generating chamber, a central separation chamber, and an outlet and providing an oil rich phase discharge pipe and a water rich phase discharge pipe. The process further also comprising a) the provision of an additional tangential or axial inlet into the vortex generating chamber or the central separation chamber and introducing an additional amount of oil/water mixture tangentially and/or axially into the vortex generating chamber or the central separation chamber, or b) adjusting the vortex generating means to control the rotation of the vortex, or a combination of a) and b). The invention further relates to a device for carrying out the above process and to the use of such a device in the separation of oil/water mixtures.

Abstract: A quenching vessel being, in use, vertically elongated and provided with an inlet for gas at its upper end, an outlet for cooled gas at its lower end defining a pathway for a gas flow directed downwardly, the vessel being provided at its upper end with a first internal tubular wall part which wall part has an opening fluidly connected to the inlet for gas and wherein the tubular wall part is connected at its lower end with a divergent conical part having walls which are inclined outwardly in the direction of the pathway for gas, wherein an arrangement of more than one nozzle for atomisation and spraying a liquid quench medium in a downward direction into the pathway for the gas flow are present in the space enclosed by the divergent conical part.

Abstract: The invention describes a process for the separation of an oil/water mixture into an oil rich phase and a water rich phase using an inline separation device, an inlet, a vortex generating chamber, a central separation chamber, and an outlet and providing an oil rich phase discharge pipe and a water rich phase discharge pipe. The process further also comprising a) the provision of an additional tangential or axial inlet into the vortex generating chamber or the central separation chamber and introducing an additional amount of oil/ater mixture tangentially and/or axially into the vortex generating chamber or the central separation chamber, or b) adjusting the vortex generating means to control the rotation of the vortex, or a combination of a) and b). The invention further relates to a device for carrying out the above process and to the use of such a device in the separation of oil/water mixtures.

Abstract: A vessel for cooling syngas comprising a syngas collection chamber and a quench chamber, wherein the syngas collection chamber has a syngas outlet which is fluidly connected with the quench chamber via a tubular diptube, wherein the diameter of the diptube at the end nearest to the syngas collection chamber is greater than the diameter of the diptube at the end terminating at the quench chamber.

Abstract: A vessel for cooling syngas comprising a syngas collection chamber and a quench chamber, wherein the syngas collection chamber has a syngas outlet which is fluidly connected with the quench chamber via a tubular diptube, wherein the syngas outlet comprises of a tubular part having a diameter which is smaller than the diameter of the tubular diptube and is co-axial with the diptube, and wherein the tubular part terminates at a point within the diptube such that an annular space is formed between the tubular part and the diptube, and wherein in the annular space a discharge conduit for a liquid water is present having a discharge opening located such to direct the liquid water along the inner wall of the diptube.

Abstract: A reactor vessel for preparing a syngas comprising a tubular syngas collection chamber, a quench chamber and a dipleg connecting the syngas collection chamber with the quench chamber, wherein the syngas collection chamber is connected to the dipleg via a slag tap, comprising a frusto-conical part starting from the lower end of the tubular wall of the syngas collection chamber and diverging to an opening fluidly connected to the interior of the dipleg, wherein the diameter of said opening is smaller than the diameter of the dipleg, and wherein the frusto-conical part comprises one or more conduits having in inlet for cooling medium and an outlet for used cooling medium wherein the slag tap also comprises a first tubular part connected to the opening of the frusto-conical part and extending in the direction of the dipleg, wherein a second tubular part is connected to the frusto-conical part or to the tubular part and extending in the direction of the dipleg and having a diameter smaller than the diameter of

Abstract: The invention is directed to an arrangement of two conduits, wherein the conduits are positioned parallel with respect to each other and wherein each conduit is provided with means suitable to remove solids from its surface and positioned along the length of one of the two sides of the conduit, wherein the means are one or more pairs of oppositely oriented nozzles, each nozzle having an outflow opening for gas directed, along the surface of the conduit, towards the outflow opening of the other nozzle of said pair, wherein the pairs of oppositely oriented nozzles of one conduit are arranged in a staggered configuration relative to the pairs of oppositely oriented nozzles of the other conduit.

Abstract: The invention is directed to a process to prepare a gas mixture of hydrogen and carbon monoxide from an ash containing carbonaceous feedstock. The process involves a partial oxidation obtaining liquid ash and a gas mixture comprising hydrogen, carbon monoxide and solids. The liquid ash is separated from the gas mixture and the temperature of the gas mixture is reduced in the absence of the separated ash. The gas mixture is passed through a vertically positioned diptube wherein water is added to the gas mixture flowing through the diptube to obtain a gas/water mixture. The liquid is separated from the gas/water mixture. The gas thus obtained is passed together with an amount of liquid water through a venturi mixer and scrubbed.

Abstract: Process to prepare a gas mixture of hydrogen and carbon monoxide from an ash containing carbonaceous feedstock by performing the following steps, (i) partial oxidation of the ash containing carbonaceous feedstock with an oxygen containing gas thereby obtaining liquid ash and a gas mixture comprising hydrogen, carbon monoxide and solids, (ii) separating more than 90 wt % of the liquid ash from the gas mixture, (iii) reducing the temperature of the gas mixture, in the absence of the separated ash (iv) scrubbing the cooled gas of step (iii) by contacting with liquid water obtaining a scrubbed gas and a water effluent containing ash, (v) separating the ash from the water effluent by means of a decanter centrifuge thereby obtaining a wet ash and a stream of water poor in ash.

Abstract: A flame retardant polymer fiber, a process for making such a fiber, and a material containing such fibers are provided. The flame retardant polymer fiber is a high tenacity fiber formed of a poly(trimethylene terephthalate) co-polymer containing a trimethylene terephthalate monomer and a phosphorous containing flame retardant monomer. The flame retardant PTT co-polymer fiber is produced by a process in which the trimethylene terephthalate monomer or its precursors and the phosphorous containing flame retardant monomer or its precursors are combined to form the PTT co-polymer in one or more pre-polymerization and polymerization steps, and the PTT co-polymer is spun into a fiber. Materials including such flame retardant PTT co-polymer fibers, e.g. carpets and textiles, are also provided.

Abstract: A quenching vessel being, in use, vertically elongated and provided with an inlet for gas at its upper end, an outlet for cooled gas at its lower end defining a pathway for a gas flow directed downwardly, the vessel being provided at its upper end with a first internal tubular wall part which wall part has an opening fluidly connected to the inlet for gas and wherein the tubular wall part is connected at its lower end with a divergent conical part having walls which are inclined outwardly in the direction of the pathway for gas, wherein an arrangement of more than one nozzle for atomisation and spraying a liquid quench medium in a downward direction into the pathway for the gas flow are present in the space enclosed by the divergent conical part.