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公开(公告)号：US20240158702A1
公开(公告)日：2024-05-16
申请号：US18548889
申请日：2022-03-08
申请人： LINDE GMBH
摘要： A method of steam cracking using a steam cracking system includes a first steam cracking furnace unit or a plurality of first steam cracking furnace units and a second steam cracking furnace unit or a plurality of second steam cracking furnace units. The first steam cracking furnace unit or each of the plurality of first steam cracking furnace units comprises one or more fired steam cracking furnaces. The second steam cracking furnace unit or each of the plurality of second steam cracking furnace units comprises one or more electric steam cracking furnaces. The first steam cracking furnace unit or each of the plurality of first steam cracking furnace units further includes means for preheating at least a part of combustion air provided to its fired steam cracking furnace or furnaces to a temperature level of at least 100° C.
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公开(公告)号：US11925923B2
公开(公告)日：2024-03-12
申请号：US17887701
申请日：2022-08-15
CPC分类号： B01J3/042 , B01J3/002 , B01J3/02 , B01J19/185
摘要： A pulsed compression reactor may include a reactor housing, a spring piston, and a driver piston. The reactor housing may define an interior volume, and may include a first passage and a second passage which lead to the interior volume. The spring piston may be positioned within the interior volume, wherein the spring piston and the reactor housing at least partially define a perimeter of a gas spring buffer chamber within the interior volume. The driver piston may be positioned within the interior volume, wherein the spring piston, the driver piston, and the reactor housing at least partially define a perimeter of a reaction chamber within the interior volume.
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公开(公告)号：US11918983B2
公开(公告)日：2024-03-05
申请号：US16462072
申请日：2017-06-23
发明人： Hiroshi Tanaka , Yuichi Kawai , Mikio Kuroda
摘要： Provided is a highly practical pressure vessel in which there is minimal inside diameter deformation even if openings in a center inlet/outlet part are large, and there is little pressure-induced elongation from a center to both ends. This pressure vessel is composed of a tube body made of a fiber-reinforced resin, wherein: a center inlet/outlet part that lets a liquid in or out is provided to a tube-body-axial center part on a peripheral surface of the tube body; end-part inlet/outlet parts that let a fluid in or out are provided to tube-body-axial end parts of the tube body; the tube body is configured from a helical layer of which fibers are inclined at an angle of from ±40° to less than ±50° relative to a tube-body-axial direction, a reinforcing layer of which fibers are inclined at a greater angle than the helical layer relative to the tube-body-axial direction, and a seal layer constituting an innermost layer; a breakaway part that breaks away circumferentially outward from the seal layer is provided to a position on the helical layer where the center inlet/outlet part is provided; the reinforcing layer is configured from an inward reinforcing layer and an outward reinforcing layer provided respectively to inward and outward sides of the helical layer so as to enclose the breakaway part of the helical layer therebetween; and the center inlet/outlet part is provided so as to penetrate the inward reinforcing layer, the breakaway part of the helical layer, and the outward reinforcing layer.
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公开(公告)号：US11814340B2
公开(公告)日：2023-11-14
申请号：US17636257
申请日：2021-06-23
申请人： STAMICARBON B.V.
IPC分类号： C07C273/04 , B01D5/00 , B01J3/02 , B01J3/04
CPC分类号： C07C273/04 , B01D5/0075 , B01J3/02 , B01J3/042
摘要： The disclosure pertains to an urea production plant and process using a thermal stripper, wherein the reaction mixture is separated in two parts, wherein the first part is supplied at least in part to the thermal stripper and the second part at least in part bypasses the thermal stripper and is supplied to a medium pressure recovery section.
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公开(公告)号：US20230348805A1
公开(公告)日：2023-11-02
申请号：US18219479
申请日：2023-07-07
CPC分类号： C10L5/442 , C10L5/445 , B01J3/04 , C10L9/08 , C10L5/363 , C10L2290/08 , B01J8/0065
摘要： A process for cleaning and beneficiating biomass is described which may allow removal of entrained salts and light volatiles from biomass materials. The process may also minimize energy use through capturing steam and flue gases for re-use. The process may generally comprise the following steps: prewashing and/or preheating a biomass, pressurizing the biomass in a steam explosion vessel, rapidly depressurizing the steam explosion vessel, releasing the steam from the steam explosion vessel entrained with fine lignin-enriched particles into a cyclone-type gas expansion vessel, routing the steam from the gas expansion vessel to the input hopper, subjecting the biomass to a second washing step, mechanically removing a portion of the water from the biomass, and evaporatively heating the biomass.
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公开(公告)号：US11773050B2
公开(公告)日：2023-10-03
申请号：US17203796
申请日：2021-03-17
申请人： Circlia Nordic ApS
IPC分类号： B01J3/00 , B01J3/02 , B01J4/00 , B01J19/24 , C10G1/00 , C07C67/08 , C10L1/02 , C10L8/00 , B01J3/04 , C10G3/00 , B01J19/00 , C07C37/00 , C07C51/00 , C07D307/34
CPC分类号： C07C67/08 , B01J3/008 , B01J3/02 , B01J3/042 , B01J4/007 , B01J4/008 , B01J19/0013 , B01J19/241 , B01J19/2415 , C07C37/004 , C07C51/00 , C07D307/34 , C10G1/00 , C10G3/40 , C10L1/02 , C10L1/026 , C10L8/00 , B01J2219/00087 , B01J2219/00159 , B01J2219/00162 , B01J2219/00164 , C10G2300/1011 , C10L2200/0476 , C10L2270/026 , C10L2290/06 , Y02E50/10 , Y02P20/54
摘要： The invention discloses a method for producing bio-fuel (BF) from a high-viscosity biomass using thermo-chemical conversion of the biomass in a production line (10) with pumping means (PM), heating means (HM) and cooling means (CM). The method has the steps of 1) operating the pumping means, the heating means and the cooling means so that the production line is under supercritical fluid conditions (SCF) to induce biomass conversion in a conversion zone (CZ) within the production line, and 2) operating the pumping means so that at least part of the production line is in an oscillatory flow (OF) mode. The invention is advantageous for providing an improved method for producing biofuel from a high-viscosity biomass. This is performed by an advantageous combination of two operating modes: supercritical fluid (SCF) conditions and oscillatory flow (OF).
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公开(公告)号：US11702607B2
公开(公告)日：2023-07-18
申请号：US17112760
申请日：2020-12-04
CPC分类号： C10L5/442 , B01J3/04 , C10L5/363 , C10L5/445 , C10L9/08 , B01J8/0065 , B01J2208/0084 , B01J2219/00162 , C10L2290/02 , C10L2290/06 , C10L2290/08 , C10L2290/30 , C10L2290/46 , C10L2290/48 , C10L2290/50 , C10L2290/52 , C10L2290/545 , Y02E50/10 , Y02E50/30
摘要： A process for cleaning and beneficiating biomass is described which may allow removal of entrained salts and light volatiles from biomass materials. The process may also minimize energy use through capturing steam and flue gases for re-use. The process may generally comprise the following steps: prewashing and/or preheating a biomass, pressurizing the biomass in a steam explosion vessel, rapidly depressurizing the steam explosion vessel, releasing the steam from the steam explosion vessel entrained with fine lignin-enriched particles into a cyclone-type gas expansion vessel, routing the steam from the gas expansion vessel to the input hopper, subjecting the biomass to a second washing step, mechanically removing a portion of the water from the biomass, and evaporatively heating the biomass.
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公开(公告)号：US11679367B2
公开(公告)日：2023-06-20
申请号：US17271714
申请日：2019-08-20
CPC分类号： B01J3/04 , B01J19/24 , C10G9/24 , B01J2219/00074 , B01J2219/00135 , B01J2219/00162 , C10G2300/4043 , C10G2300/708 , C10G2400/20 , C10G2400/22 , C10G2400/30
摘要： A reactor system for thermally treating a hydrocarbon-containing stream, that includes a pressure containment vessel comprising an interior chamber and a heat transfer medium that converts electrical current to heat and is positioned within the interior chamber of the pressure containment vessel, wherein the heat transfer medium comprises a first end face, a second end face, and channels extending between the first end face and the second end face. A process for thermally treating a hydrocarbon-containing stream includes introducing the hydrocarbon-containing stream into the reactor system, pressurizing the pressure containment vessel and the heat transfer medium without heating the pressure containment vessel or the heat transfer medium, supplying electrical current to the heat transfer medium, converting the electrical current to heat, heating the hydrocarbon-containing stream, and converting the hydrocarbon-containing stream to an effluent stream.
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公开(公告)号：US11666878B2
公开(公告)日：2023-06-06
申请号：US16617142
申请日：2018-05-30
发明人： Howard Pickard , Kyle Pickles
CPC分类号： B01J3/04 , B01J3/002 , B01J3/02 , B01J3/042 , B01J3/044 , B01J3/046 , B22D29/002 , F28D7/0066 , B01J2219/0009 , B01J2219/00083 , F28D1/024 , F28D1/0213 , F28D7/024
摘要： An autoclave system comprises an autoclave vessel 210, for performing a leaching operation on sacrificial ceramic cores (not shown) and a storage vessel 220 for containing caustic leaching fluid 230. Interposed in a fluid flow path between the vessel 210 and the tank 220 is a heat exchange unit 240, comprising a body 250 containing a thermal exchange medium, in the form of water 260, and first and second thermal exchange conduits represented at 270 and 280. A thermal exchange medium inlet pipe 290a and a thermal exchange medium outlet pipe 290b are provided to the body so that the medium 260 can be replenished, preferably substantially continuously, to optimize thermal transfer efficiency.
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10.发明公开公开(公告)号：US20230144159A1
公开(公告)日：2023-05-11
申请号：US17793318
申请日：2021-01-15
申请人： RDC TECHNOLOGIES LTD
发明人： John Norris , John Gerard Heffernan
CPC分类号： B01J3/046 , B09B5/00 , B09B3/45 , B01J2219/00162
摘要： An apparatus to effect at least partial breakdown of a discrete material or product item or a combination of discrete material or product items. The apparatus includes a treatment vessel in which the discrete material or product item or combination of discrete material or product items are located for treatment. There is at least one entry for introduction of at least one working fluid, at least one pressurisation arrangement to increase pressure on the material or product item or combination of material or product items within the treatment vessel. At least one decompression arrangement to rapidly reduce the pressure on the material or product item or combination of material or product items within the treatment vessel may also be provided. The at least one pressurisation arrangement and the at least one decompression arrangement are operable to cause repeated pressurisation and rapid decompression on the material or product item or combination of material or product items within the treatment vessel.
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