-
公开(公告)号:US10729131B2
公开(公告)日:2020-08-04
申请号:US16183571
申请日:2018-11-07
Applicant: Ecolab USA Inc.
Inventor: Paul R. Kraus , Benjamin Crew , Junzhong Li , David D. McSherry , Ramakrishnan Balasubramanian , Richard Staub , Ariel Chatman Kleczewski , Minh Tran , Catherine Hanson , Irwan Yunus , Jeffery D. Breshears , Brian Paul Brunner
IPC: B01J10/00 , B01D11/04 , A61L2/00 , A01N37/36 , A01N37/16 , B01J19/18 , C07C407/00 , A23L3/3463 , A23L3/3481 , C23F11/10 , A23L3/3499 , B01J19/24 , C07C51/367
Abstract: Methods of generating performic acid by contacting aqueous oxidizing agent and aqueous formic acid source in liquid phase are disclosed. A system and apparatus for the in situ production of the performic acid chemistries is further disclosed. In particular, a continuous flow reactor is provided to generate performic acid at variable rates. Methods of employing the oxidizing biocide for various disinfection applications are also disclosed.
-
公开(公告)号:US20200231438A1
公开(公告)日:2020-07-23
申请号:US16494695
申请日:2018-03-16
Applicant: TECHNISCHE UNIVERSITÄT BERLIN
Inventor: Sebastian SCHIMEK , Christian Oliver PASCHEREIT , Moritz SIEBER
IPC: C01B13/34 , C01G49/06 , C01G45/02 , C01G9/03 , C01F7/30 , C01G23/07 , C01B33/18 , B01J10/00 , B01J19/26
Abstract: A process for the production of nanoparticles from a liquid mixture comprising at least one precursor and at least one solvent in a reactor with continuous through-flow comprises the steps of feeding at least one oxygen-containing gas inflow stream having a temperature into the at least one reactor, adding at least one fuel having a temperature to the oxygen-containing gas inflow stream, wherein the fuel and the oxygen-containing gas inflow stream form a homogeneous ignitable mixture having a temperature, wherein the temperature of the homogeneous ignitable mixture is above the autoignition temperature of the homogeneous ignitable mixture, introducing at least one precursor-solvent mixture into the homogeneous ignitable mixture; autoignition of the ignitable mixture of oxygen-containing gas and fuel after an ignition delay time to form a stabilized flame and reacting the precursor-solvent mixture in the stabilized flame to form nanoparticles from the metal salt precursor, removing the formed nanoparticles.
-
公开(公告)号:US10604620B2
公开(公告)日:2020-03-31
申请号:US14367390
申请日:2012-12-18
Applicant: Bühler Thermal Processes AG
Inventor: Andreas Christel
IPC: C08G63/181 , C08G63/80 , C08G63/78 , C08G63/183 , B01J10/00
Abstract: A method and an apparatus for solid-state polycondensation of polyesters, preferably polyethylene terephthalate and/or copolymers thereof. The method and apparatus are both characterized by a solid-state polycondensation being performed with polyester prepolymer particles in a reaction chamber in which an absolute pressure is in the range from 10 mbar to 200 mbar, and a process gas flow in the range of an R-value of 0.005 to 0.05. The polycondensation is carried out over a time of from 2 to 30 hours and at a temperature of from 180° C. to 5° below a crystalline melting point of the polyester prepolymer particles in order to achieve an intrinsic viscosity of from 0.70 to 0.95 dl/g. The R value is defined as a ratio of an hourly amount of process gas (in kg) flowing through the reaction space to an hourly amount of polymer (in kg) flowing through the reaction space: R = m ( gas ) / h m ( polymer ) / h .
-
公开(公告)号:US10596484B2
公开(公告)日:2020-03-24
申请号:US15924654
申请日:2018-03-19
Applicant: IHI Corporation
Inventor: Yoshiyuki Iso , Jian Huang , Mariko Saga , Shinsuke Matsuno , Hiroyuki Uchida , Naoki Fujiwara , Kenji Takano , Kenji Tokuda , Shiko Nakamura
Abstract: A packing has a plurality of sheet materials spaced and arranged in parallel, and liquid flows along the flat surface thereof in a standing use state. Each sheet material has at least one member group including a plurality of support members arranged such that the upper end of the uppermost support member corresponds to the upper end of the sheet material and the lower end of the lowermost support member corresponds to the lower end of the sheet material. Each support member has a pair of support walls parallel to the liquid flow direction and perpendicular to the sheet material surface, and a bridging part connecting the support walls. A sandwiching structure is formed that one sheet material is held by at least one support member attached thereto and at least one support member attached to an adjacent sheet material, and it extends linearly through the plurality of sheet materials.
-
公开(公告)号:US10479751B2
公开(公告)日:2019-11-19
申请号:US14915929
申请日:2014-08-11
Applicant: EVONIK DEGUSSA GMBH
Inventor: Jürgen Mosler , Christian Psiorz , Franz-Felix Kuppinger , Raphael Schriewer , Arnd Bruhns , Armin Rix , Peter Kreis , Ralf Meier , James Edward Elder
IPC: C07C51/48 , C07C51/25 , B01J19/30 , B01D3/14 , B01L3/16 , B01D3/16 , B01D3/00 , B01D3/22 , B01J10/00 , C07C57/04
Abstract: The present invention provides an apparatus comprising a feed arranged below the middle of the apparatus, a quenching agent inlet arranged above the feed, an outlet arranged below the feed and a draw arranged above the quenching agent inlet, the apparatus having a region provided with one or more packing elements, wherein at least one means which ensures the formation of a liquid layer having a height of at least 1 cm is present between the quenching agent inlet and a packing element present between the quenching agent inlet and feed. The present invention also provides a process for preparing acrylic acid, which includes a step of oxidizing acrolein, wherein the reaction mixture obtained in this oxidation is contacted with water as quenching agent in an inventive apparatus, and a composition obtainable as bottom product in the process according to the invention, comprising acrylic acid and water.
-
公开(公告)号:US20190283094A1
公开(公告)日:2019-09-19
申请号:US15922259
申请日:2018-03-15
Applicant: UOP LLC
Inventor: Michael Jerome Vetter , Bryan James Egolf , Louis A. Lattanzio , Clayton Colin Sadler , Mohamed Sami Elganiny
IPC: B08B9/08 , B08B7/00 , B08B5/02 , B01J10/00 , B25J11/00 , B25J13/00 , G05D1/02 , B25J19/02 , B25J9/16 , G05D1/00
Abstract: A process for cleaning a reactor, the reactor comprising a shell including catalyst for selectively converting hydrocarbons. The process includes removing catalyst from the reactor and deploying a robot into the reactor. A cleaner from the robot is applied onto a surface within the shell of the reactor that includes a foulant. The cleaner is adapted to remove the foulant from the surface within the shell of the reactor. The cleaner may be one of light radiation, heat radiation, ultra-high pressure fluid, and liquid nitrogen.
-
公开(公告)号:US20190247815A1
公开(公告)日:2019-08-15
申请号:US16296761
申请日:2019-03-08
Applicant: Rachel Burton , Greg Austic , Xiaohu Fan
Inventor: Rachel Burton , Greg Austic , Xiaohu Fan
CPC classification number: B01J8/008 , B01J4/004 , B01J10/00 , B01J19/006 , B01J19/1881 , B01J2208/00796 , B01J2219/00006 , B01J2219/00094
Abstract: A reactor tank is provided having an enzyme inlet, a heating jacket positioned around the exterior center of the tank, a gas outlet for communicating with a vacuum apparatus to create a vacuum within the reactor tank and for communicating with a condensing unit, a first gas inlet for receiving gas from a feed tank and a first liquid outlet for recirculating the liquid from the first liquid outlet back to the feed tank. The reactor tank further includes a sparged unit and a screen positioned within the tank between the sparged unit and the first liquid outlet, where the sparged unit is connected to the first gas inlet for receiving gas from the feed tank. The reactor tank is utilized in a reactor system further including a condensing unit, vacuum pump or venturi valve, a first feed tank connected to the first gas inlet, a coalescer having at least one circulation pipe and a first circulation pump connected to the first liquid outlet for circulating a portion of the liquid dispelled from the liquid outlet to the coalescer, which after being filtered through coalescer is recirculated through circulation pipe back to the first feed tank.
-
公开(公告)号:US10350584B2
公开(公告)日:2019-07-16
申请号:US15096584
申请日:2016-04-12
Applicant: EASTMAN CHEMICAL COMPANY
Inventor: Kenny Randolph Parker , Mesfin Ejerssa Janka , Ashfaq Shahanawaz Shaikh , Lee Reynolds Partin
IPC: C07D307/68 , B01D17/00 , B01D11/04 , B01J27/32 , B01J38/12 , B01J35/12 , B01J27/128 , B01J10/00 , B01J23/889
Abstract: Disclosed is an oxidation process to produce a crude carboxylic acid product carboxylic acid product. The process comprises oxidizing a feed stream comprising at least one oxidizable compound to generate a crude carboxylic acid slurry comprising furan-2,5-dicarboxylic acid (FDCA) and compositions thereof. Also disclosed is a process to produce a dry purified carboxylic acid product by utilizing various purification methods on the crude carboxylic acid.
-
公开(公告)号:US10336614B2
公开(公告)日:2019-07-02
申请号:US16029731
申请日:2018-07-09
Applicant: Chevron Phillips Chemical Company LP
Inventor: Daniel M. Hasenberg , Alex Pauwels , Ives Mertens
Abstract: The present invention discloses a hydrogen sulfide reactor vessel with an external heating system that is conductively and removably attached to an exterior portion of the reactor vessel. Also disclosed are processes for producing hydrogen sulfide utilizing the reactor vessel.
-
公开(公告)号:US10260018B2
公开(公告)日:2019-04-16
申请号:US15786841
申请日:2017-10-18
Inventor: Claire Rannoux , Christophe Letondor , Nicolas Francois
IPC: G06F17/30 , G06F11/14 , C10M107/38 , A44C27/00 , B01J10/00 , B01J19/00 , B01L1/02 , B05D5/08 , B05D1/00 , C10N40/00
Abstract: The invention relates to a method for epilamization of at least one portion of a substrate surface comprising the steps of: a) preparing an epilame agent b) optionally, preparing the substrate surface c) placing the substrate and the epilame agent in a chamber at ambient pressure d) introducing CO2 into the hermetically sealed chamber at a pressure comprised between 25 bar and 74 bar and at a temperature comprised between 10° C. and 80° C. for a duration comprised between 1 minute and 30 minutes, e) reducing the pressure in the chamber, and f) removing the epilamized substrate from the chamber.
-
-
-
-
-
-
-
-
-