IT599042A - - Google Patents

Info

Publication number
IT599042A
IT599042A IT599042DA IT599042A IT 599042 A IT599042 A IT 599042A IT 599042D A IT599042D A IT 599042DA IT 599042 A IT599042 A IT 599042A
Authority
IT
Italy
Application number
Other languages
Italian (it)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Publication of IT599042A publication Critical patent/IT599042A/it

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/0015Feeding of the particles in the reactor; Evacuation of the particles out of the reactor
    • B01J8/0045Feeding of the particles in the reactor; Evacuation of the particles out of the reactor by means of a rotary device in the flow channel
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/0015Feeding of the particles in the reactor; Evacuation of the particles out of the reactor
    • B01J8/003Feeding of the particles in the reactor; Evacuation of the particles out of the reactor in a downward flow
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/20Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles with liquid as a fluidising medium
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F10/00Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008Controlling the process
    • B01J2208/0061Controlling the level
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00743Feeding or discharging of solids
    • B01J2208/00752Feeding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049Controlling or regulating processes
    • B01J2219/00191Control algorithm
    • B01J2219/00193Sensing a parameter
    • B01J2219/00207Sensing a parameter other than of the reactor heat exchange system
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049Controlling or regulating processes
    • B01J2219/00191Control algorithm
    • B01J2219/00211Control algorithm comparing a sensed parameter with a pre-set value
    • B01J2219/00213Fixed parameter value
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049Controlling or regulating processes
    • B01J2219/00191Control algorithm
    • B01J2219/00222Control algorithm taking actions
    • B01J2219/00227Control algorithm taking actions modifying the operating conditions
    • B01J2219/0024Control algorithm taking actions modifying the operating conditions other than of the reactor or heat exchange system

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
IT599042D 1957-11-25 IT599042A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US896786XA 1957-11-25 1957-11-25

Publications (1)

Publication Number Publication Date
IT599042A true IT599042A (en:Method)

Family

ID=22218994

Family Applications (1)

Application Number Title Priority Date Filing Date
IT599042D IT599042A (en:Method) 1957-11-25

Country Status (2)

Country Link
GB (1) GB896786A (en:Method)
IT (1) IT599042A (en:Method)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10105276A1 (de) * 2001-02-02 2002-08-08 Basell Polypropylen Gmbh Verfahren zum Dosieren von Katalysatoren
GB0229133D0 (en) 2002-12-13 2003-01-15 Solvay Particulate flow control process
DE102005010645A1 (de) 2005-03-08 2005-08-04 Basf Ag Verfahren zum Befüllen eines Reaktors
JP5312015B2 (ja) * 2005-03-08 2013-10-09 ビーエーエスエフ ソシエタス・ヨーロピア 反応器を充填する方法
ES2304653T3 (es) * 2005-07-22 2008-10-16 Kemya Al-Jubail Petrochemical Company Sistema de control de presion.
CA2699784A1 (en) * 2007-09-11 2009-03-19 Rentech, Inc. System and method for catalyst loading/mixing
US8206654B2 (en) 2008-01-07 2012-06-26 Univation Technologies, Llc Catalyst feed systems and methods for using the same
CN112390902A (zh) * 2020-07-22 2021-02-23 北京锦吾新材科技有限公司 烯烃聚合工艺与应用

Also Published As

Publication number Publication date
GB896786A (en) 1962-05-16

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