公开(公告)号：US20010048910A1

公开(公告)日：2001-12-06

申请号：US09752433

申请日：2001-01-03

Applicant: Haldor Topsoe A/S

Inventor： Troels D. Stummann

IPC: B01D053/00

CPC classification number: B01J8/0492 ,  B01D53/885 ,  B01J8/0453 ,  B01J2208/00707 ,  B01J2219/185 ,  B01J2219/1943

Abstract: A process and an apparatus involving a reaction zone loaded with particles for the prolonged continued time of operation time on a dust containing feed stream by arrangement of the particles in a plurality of beds, and in a number of operation time bypassing with main part of the feed stream a number of the particle beds.

Abstract translation: 一种方法和装置，包括通过在多个床中排列颗粒而在负载有颗粒的反应区域上延长持续的操作时间的时间对含灰尘的进料流的排放，以及在主要部分绕过的多个操作时间 进料流一些颗粒床。

公开(公告)号：US11795118B2

公开(公告)日：2023-10-24

申请号：US17173335

申请日：2021-02-11

Applicant: Haldor Topsoe A/S ,  P-D Refractories GmbH

Inventor： Johannes Ruben Larsen ,  Fred Brunk ,  Thomas Sandahl Christensen ,  Søren Gyde Thomsen

IPC: C04B35/484 ,  B01J12/00 ,  B01J19/02 ,  C04B41/50 ,  C04B41/87 ,  C04B41/00 ,  C04B35/486 ,  C01B3/36 ,  C01B3/38 ,  C04B35/488 ,  C04B35/622 ,  C10J3/72 ,  C04B111/00

CPC classification number: C04B41/5042 ,  B01J12/005 ,  B01J19/02 ,  C01B3/36 ,  C01B3/386 ,  C04B35/484 ,  C04B35/486 ,  C04B35/4885 ,  C04B35/62222 ,  C04B41/009 ,  C04B41/87 ,  C10J3/72 ,  B01J2219/0218 ,  C01B2203/0261 ,  C01B2203/1235 ,  C04B2111/0025 ,  C04B2235/3217 ,  C04B2235/3244 ,  C04B2235/3246 ,  C04B2235/3418 ,  C04B2235/604 ,  C04B2235/72 ,  C04B2235/76 ,  C04B2235/762 ,  C04B2235/765 ,  C04B2235/77 ,  C04B2235/786 ,  C04B2235/96 ,  C04B2235/9669 ,  C04B41/009 ,  C04B35/10 ,  C04B41/5042 ,  C04B41/4539

Abstract: A refractory lining in a combustion chamber operating in a reducing atmosphere. The lining includes at least one or more Zirconia (Zr)-based refractory lining members comprising one or more Zr-based parts. The Zr-based parts comprise at least 90 wt. %, preferably at least 95 wt. %, of monoclinic ZrO2 and/or partially stabilized ZrO2 and/or fully stabilized ZrO2, wherein the total content of tetragonal and cubic ZrO2 amounts to at least 20 wt. %, preferably more than 35 wt. %, as well as Zr based refractory lining members and methods for manufacturing the Zr based refractory lining members.

公开(公告)号：US11713282B2

公开(公告)日：2023-08-01

申请号：US17173355

申请日：2021-02-11

Applicant: Haldor Topsoe A/S ,  P-D Refractories GmbH

Inventor： Johannes Ruben Larsen ,  Fred Brunk ,  Thomas Sandahl Christensen ,  Søren Gyde Thomsen

IPC: C04B41/50 ,  C04B41/87 ,  C04B35/484 ,  B01J12/00 ,  B01J19/02 ,  C04B41/00 ,  C04B35/486 ,  C01B3/36 ,  C01B3/38 ,  C04B35/488 ,  C04B35/622 ,  C10J3/72 ,  C04B111/00

CPC classification number: C04B41/5042 ,  B01J12/005 ,  B01J19/02 ,  C01B3/36 ,  C01B3/386 ,  C04B35/484 ,  C04B35/486 ,  C04B35/4885 ,  C04B35/62222 ,  C04B41/009 ,  C04B41/87 ,  C10J3/72 ,  B01J2219/0218 ,  C01B2203/0261 ,  C01B2203/1235 ,  C04B2111/0025 ,  C04B2235/3217 ,  C04B2235/3244 ,  C04B2235/3246 ,  C04B2235/3418 ,  C04B2235/604 ,  C04B2235/72 ,  C04B2235/76 ,  C04B2235/762 ,  C04B2235/765 ,  C04B2235/77 ,  C04B2235/786 ,  C04B2235/96 ,  C04B2235/9669 ,  C04B41/009 ,  C04B35/10 ,  C04B41/5042 ,  C04B41/4539

Abstract: A method for producing a refractory lining in a combustion chamber operating in a reducing atmosphere. The lining includes at least one or more Zirconia (Zr)-based refractory lining members comprising one or more Zr-based parts. The Zr-based parts comprise at least 90 wt. %, preferably at least 95 wt. %, of monoclinic ZrO2 and/or partially stabilized ZrO2 and/or fully stabilized ZrO2, wherein the total content of tetragonal and cubic ZrO2 amounts to at least 20 wt. %, preferably more than 35 wt. %, as well as Zr based refractory lining members and methods for manufacturing the Zr based refractory lining members.

公开(公告)号：US10898855B2

公开(公告)日：2021-01-26

申请号：US16608679

申请日：2018-04-05

Applicant: Haldor Topsoe A/S

Inventor： Pär L. T. Gabrielsson

IPC: B01D53/86 ,  B01D46/02 ,  B01D46/00

Abstract: Method and system for the removal of nitrogen oxides, from flue gas at low temperatures.

公开(公告)号：US10280136B2

公开(公告)日：2019-05-07

申请号：US16133100

申请日：2018-09-17

Applicant: Haldor Topsoe A/S

Inventor： Irantzu Sadaba Zubiri ,  Esben Taarning

IPC: C07C319/18 ,  C07C69/68 ,  C07C69/732 ,  C07C67/00 ,  C07C67/44 ,  C07C67/475

Abstract: A continuous flow process for the preparation of one or more esters of lactic acid and 2-hydroxy-3-butenoic acid or α-hydroxy methionine analogs from a sugar in the presence of a solid Lewis acid catalyst and a solvent comprising an organic solvent and water. The invention provides a stabilized Lewis acid catalyst for use in a continuous reaction process, where the water is present in an amount of up to or equal to 10 vol. % of the organic solvent.

公开(公告)号：US20190062271A1

公开(公告)日：2019-02-28

申请号：US16133100

申请日：2018-09-17

Applicant: Haldor Topsoe A/S

Inventor： Irantzu Sadaba Zubiri ,  Esben Taarning

IPC: C07C319/18 ,  C07C67/475 ,  C07C69/68 ,  C07C69/732 ,  C07C67/00 ,  C07C67/44 ,  C07C323/58

Abstract: A continuous flow process for the preparation of one or more esters of lactic acid and 2-hydroxy-3-butenoic acid or α-hydroxy methionine analogues from a sugar in the presence of a solid Lewis acid catalyst and a solvent comprising an organic solvent and water. The invention provides a means for stabilizing a Lewis acid catalyst for use in a continuous reaction process wherein the water is present in an amount of up to or equal to 10 vol. % of the organic solvent.

公开(公告)号：US20130343147A1

公开(公告)日：2013-12-26

申请号：US14003845

申请日：2012-03-23

Applicant: Haldor Topsoe A/S

Inventor： Søren Heinesen ,  Jesper Norsk ,  Helbo Anders Hansen ,  Juul Anders Rasmussen

IPC: B01F5/04

CPC classification number: B01F5/04 ,  B01F3/02 ,  B01F5/0493 ,  B01F15/00831

Abstract: The present invention relates to a mixing device for mixing a first gas with a second gas by means of a plurality of sets of injection and mixing ducts, wherein at least one of the gases is corrosive to the mixing device and the mixing device is thus constructed in corrosion resistant ceramic material.

Abstract translation: 本发明涉及一种用于通过多组注射和混合管道将第一气体与第二气体混合的混合装置，其中至少一种气体对混合装置具有腐蚀性，因此构成混合装置 耐腐蚀陶瓷材料。

公开(公告)号：US20020079023A1

公开(公告)日：2002-06-27

申请号：US09982769

申请日：2001-10-22

Applicant: Haldor Topsoe A/S

Inventor： Ib Alstrup ,  Ib Chorkendorff

IPC: C23C008/00

CPC classification number: C23C26/00

Abstract: A method for enhancing the protection of high temperature alloys containing iron, nickel and chromium against high temperature corrosion by carburization or metal dusting is achieved by depositing a thin layer of a metal selected from one or more of the noble metals, precious metals, metals from groups IVA, IVB, and group VA, VB of the Periodic Table and mixtures thereof with a thickness in the range of from 0.01 to 10 nullm on the surface to be protected, and annealing the treated surface in an inert atmosphere at a predetermined temperature for a sufficient time to render the treated surface resistant to carburization or metal dusting.

Abstract translation: 通过沉积选自贵金属，贵金属，贵金属，金属中的一种或多种的金属薄层，可以实现通过渗碳或金属粉化来增强对含有铁，镍和铬的高温合金的保护以防高温腐蚀的方法 IVA族，IVB族和VA族，VB族和它们的混合物，其在待保护表面上的厚度为0.01-10μm，并且在惰性气氛中在预定温度下对经处理的表面退火， 足够的时间使处理后的表面耐渗碳或金属粉尘。

公开(公告)号：US20020056665A1

公开(公告)日：2002-05-16

申请号：US09950523

申请日：2001-09-10

Applicant: Haldor Topsoe A/S

Inventor： Per Zeuthen ,  Lars Pleth Nielsen ,  Steffen Vissing Christensen ,  Joachim Jacobsen

IPC: C10G045/00 ,  C10G045/04 ,  C10G045/02

CPC classification number: C10G45/04 ,  C10G45/02 ,  C10G45/06 ,  C10G45/08 ,  C10G49/007

Abstract: Process for the catalytic hydrotreating of a hydrocarbon feed stock containing silicon compounds by contacting the feed stock in presence of hydrogen with a hydrotreating catalyst at conditions to be effective in the hydrotreating of the feed stock, the improvement of which comprises the step of moisturising the hydrotreating catalyst with an amount of water added to the feed stock between 0.01 and 10 vol %.

Abstract translation: 在含氢硅烷化合物的烃原料的催化加氢处理中，在氢气与加氢处理催化剂的存在下使原料与加氢处理催化剂接触的条件下进行催化加氢处理，其条件是有效加氢原料，其改进包括保湿加氢处理 催化剂，其中添加到原料中的水的量为0.01至10体积％。

公开(公告)号：US20020035293A1

公开(公告)日：2002-03-21

申请号：US09952678

申请日：2001-09-14

Applicant: Haldor Topsoe A/S

Inventor： Christian Speth

IPC: C07C273/04

CPC classification number: C07C273/10 ,  C01B3/025 ,  C01B3/52 ,  C01B2203/0415 ,  C01B2203/0465 ,  C01B2203/047 ,  C01B2203/0475 ,  C01C1/0488 ,  Y02P20/52

Abstract: Process for the combined preparation of urea and ammonia reactant by steps of providing ammonia synthesis gas containing carbon dioxide and conversion of the synthesis gas to the ammonia reactant, reacting the ammonia reactant with the carbon dioxide in the synthesis gas to ammonium carbamate and to urea product, which process comprises further steps of prior to the conversion of the synthesis gas to the ammonia reactant, (i) washing the synthesis gas with an aqueous solution of the ammonia reactant and forming a solution being rich in ammonium carbamate; (ii) removing excess of ammonia reactant from the washed synthesis gas by washing with water and withdrawing an aqueous solution of ammonia reactant; (iii) purifying the water washed synthesis gas by removing reminding amounts of water and ammonia; and (iv) passing the purified synthesis gas to the conversion of the gas to ammonia reactant.

Abstract translation: 通过提供含有二氧化碳的氨合成气和将合成气转化为氨反应物的步骤，将氨反应物与合成气中的二氧化碳反应，使氨基甲酸铵和尿素产物 ，该方法包括在将合成气转化为氨反应物之前的另外步骤，（i）用氨反应物的水溶液洗涤合成气并形成富含氨基甲酸铵的溶液; （ii）通过用水洗涤并抽出氨反应物的水溶液从洗涤的合成气中除去过量的氨反应物; （iii）通过除去提醒量的水和氨来净化水洗合成气; 和（iv）使纯化的合成气通过气体转化为氨反应物。