ATE188949T1 - Verfahren zur herstellung von persalzteilchen - Google Patents

Verfahren zur herstellung von persalzteilchen

Info

Publication number
ATE188949T1
ATE188949T1 AT95202480T AT95202480T ATE188949T1 AT E188949 T1 ATE188949 T1 AT E188949T1 AT 95202480 T AT95202480 T AT 95202480T AT 95202480 T AT95202480 T AT 95202480T AT E188949 T1 ATE188949 T1 AT E188949T1
Authority
AT
Austria
Prior art keywords
soln
salt
crystalliser
per
particles
Prior art date
Application number
AT95202480T
Other languages
English (en)
Inventor
Romano Pardini
Soraya Parvaneh
Corrado Baccani
Original Assignee
Solvay Interox
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.)
Filing date
Publication date
Application filed by Solvay Interox filed Critical Solvay Interox
Application granted granted Critical
Publication of ATE188949T1 publication Critical patent/ATE188949T1/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B15/00—Peroxides; Peroxyhydrates; Peroxyacids or salts thereof; Superoxides; Ozonides
    • C01B15/055—Peroxyhydrates; Peroxyacids or salts thereof
    • C01B15/10—Peroxyhydrates; Peroxyacids or salts thereof containing carbon
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B15/00—Peroxides; Peroxyhydrates; Peroxyacids or salts thereof; Superoxides; Ozonides
    • C01B15/055—Peroxyhydrates; Peroxyacids or salts thereof
    • C01B15/10—Peroxyhydrates; Peroxyacids or salts thereof containing carbon
    • C01B15/103—Peroxyhydrates; Peroxyacids or salts thereof containing carbon containing only alkali metals as metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0004—Crystallisation cooling by heat exchange
    • B01D9/0013—Crystallisation cooling by heat exchange by indirect heat exchange
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0036—Crystallisation on to a bed of product crystals; Seeding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/005—Selection of auxiliary, e.g. for control of crystallisation nuclei, of crystal growth, of adherence to walls; Arrangements for introduction thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0059—General arrangements of crystallisation plant, e.g. flow sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0063—Control or regulation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Detergent Compositions (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
  • Glanulating (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Steroid Compounds (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Seasonings (AREA)
  • Disintegrating Or Milling (AREA)
  • Fertilizers (AREA)
  • Medicinal Preparation (AREA)
AT95202480T 1994-09-22 1995-09-13 Verfahren zur herstellung von persalzteilchen ATE188949T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI941928A IT1270000B (it) 1994-09-22 1994-09-22 Procedimento per la fabbricazione di particelle di persali

Publications (1)

Publication Number Publication Date
ATE188949T1 true ATE188949T1 (de) 2000-02-15

Family

ID=11369583

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95202480T ATE188949T1 (de) 1994-09-22 1995-09-13 Verfahren zur herstellung von persalzteilchen

Country Status (20)

Country Link
US (2) US5906660A (de)
EP (1) EP0703190B1 (de)
JP (1) JP3959129B2 (de)
KR (1) KR100394863B1 (de)
CN (1) CN1052450C (de)
AT (1) ATE188949T1 (de)
AU (1) AU688950B2 (de)
BR (1) BR9504124A (de)
CA (1) CA2158798A1 (de)
CZ (1) CZ247495A3 (de)
DE (1) DE69514600T2 (de)
DK (1) DK0703190T3 (de)
ES (1) ES2144096T3 (de)
FI (1) FI954498A7 (de)
IT (1) IT1270000B (de)
MX (1) MX9504062A (de)
NZ (1) NZ280047A (de)
PL (1) PL179691B1 (de)
RU (1) RU2160223C2 (de)
ZA (1) ZA957854B (de)

Families Citing this family (38)

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FR2746386B1 (fr) * 1996-03-19 1998-04-24 Atochem Elf Sa Nouveau percarbonate de sodium et son procede d'obtention
IT1290477B1 (it) * 1997-03-26 1998-12-04 Solvay Interox Processo per produrre un persale
DK0891417T3 (da) * 1996-03-27 2002-07-01 Solvay Interox Sa Sammensætninger, der indeholder natriumpercarbonat
KR100366556B1 (ko) 2000-04-26 2003-01-09 동양화학공업주식회사 세제용 입상 코티드 과탄산나트륨과 이의 제조방법
RU2230399C2 (ru) * 2002-05-30 2004-06-10 Государственное образовательное учреждение высшего профессионального образования Московский энергетический институт (технический университет) Способ изготовления активной массы катода литиевого аккумулятора
WO2004056955A1 (en) 2002-12-20 2004-07-08 Degussa Ag Liquid detergent and cleaning agent composition
EP1572851B1 (de) 2002-12-20 2007-03-21 Henkel Kommanditgesellschaft auf Aktien Bleichmittelhaltige wasch- oder reinigungsmittel
DE10320196A1 (de) * 2002-12-20 2004-07-08 Henkel Kg Auf Aktien Bleichmittelhaltige Wasch- oder Reinigungsmittel
EP1572852B1 (de) * 2002-12-20 2006-10-11 Degussa AG Umhüllte persauerstoffverbindungen mit gesteuerter freisetzung, ein verfahren zu ihrer herstellung und ihre verwendung
JP2006517245A (ja) * 2003-02-10 2006-07-20 ヘンケル・コマンディットゲゼルシャフト・アウフ・アクチエン 発泡調節剤としてのセルロース誘導体の使用
WO2004069975A1 (de) * 2003-02-10 2004-08-19 Henkel Kommanditgesellschaft Auf Aktien Erhöhung der wasseraufnahmefähigkeit von textilien
WO2004069978A1 (de) 2003-02-10 2004-08-19 Henkel Kommanditgesellschaft Auf Aktien Bleichmittelhaltige wasch- oder reinigungsmittel mit wasserlöslichem buildersystem und schmutzablösevermögendem cellulosederivat
ATE363525T1 (de) * 2003-02-10 2007-06-15 Henkel Kgaa Verstärkung der reinigungsleistung von waschmitteln durch cellulosederivat und hygroskopisches polymer
DE10351321A1 (de) * 2003-02-10 2004-08-26 Henkel Kgaa Verstärkung der Reinigungsleistung von Waschmitteln durch eine Kombination von Cellulosderivaten
DE10351325A1 (de) 2003-02-10 2004-08-26 Henkel Kgaa Wasch- oder Reinigungsmittel mit wasserlöslichem Buildersystem und schmutzablösevermögendem Cellulosederivat
ES2275207T5 (es) * 2003-02-10 2011-12-09 HENKEL AG & CO. KGAA Agente de lavado, que contiene agentes de blanqueo, con derivado de la celulosa con capacidad para el desprendimiento de la suciedad, con actividad sobre el algodón.
DE50300760D1 (de) 2003-05-07 2005-08-18 Degussa Umhülltes Natriumpercarbonatgranulat mit verbesserter Lagerstabilität
BRPI0410586A (pt) * 2003-05-23 2006-06-20 Degussa uso de misturas pulverulentas contendo peróxido de hidrogênio e dióxido de silìcio hidrofobizado para a liberação controlada de peróxido de hidrogênio ou oxigênio
DE102004054495A1 (de) 2004-11-11 2006-05-24 Degussa Ag Natriumpercarbonatpartikel mit einer Thiosulfat enthaltenden Hüllschicht
ES2317433T3 (es) 2006-07-27 2009-04-16 Evonik Degussa Gmbh Particulas envueltas de percarbonato de sodio.
ATE466923T1 (de) 2006-07-27 2010-05-15 Evonik Degussa Gmbh Umhüllte natriumpercarbonatpartikel
EP1889901B1 (de) 2006-07-27 2008-09-24 Evonik Degussa GmbH Umhüllte Natriumpercarbonatpartikel
EP1905738A1 (de) * 2006-09-28 2008-04-02 Evonik Degussa GmbH Verfahren zur Herstellung von granulatförmigem Natriumpercarbonat
US20080190525A1 (en) * 2007-02-12 2008-08-14 Kerry Lee Wagaman Inorganic nitrate-hydrogen peroxide adducts and methods for their preparation
FR2918575B1 (fr) * 2007-07-09 2009-08-28 Crystal Evap Consult Sarl Appareil de cristallisation a circulation forcee.
ATE490012T1 (de) 2007-12-19 2010-12-15 Evonik Degussa Gmbh Verfahren zur herstellung von umhüllten natriumpercarbonatpartikeln
CN101995181B (zh) * 2009-08-28 2012-11-28 中国科学院工程热物理研究所 固态碱金属工质的定量充装设备与充装方法
DE102010028236A1 (de) 2010-04-27 2011-10-27 Evonik Degussa Gmbh Bleichmittelpartikel umfassend Natriumpercarbonat und einen Bleichaktivator
CN102657951B (zh) * 2012-04-28 2014-12-03 中粮生物化学（安徽）股份有限公司 从晶浆液中提取晶体的方法
CN103041612B (zh) * 2012-12-29 2014-06-25 化工部长沙设计研究院 一种硝酸钠真空冷却结晶工艺中产品质量控制的方法
RU2538836C2 (ru) * 2013-01-29 2015-01-10 Открытое акционерное общество "Корпорация "Росхимзащита" (ОАО "Корпорация "Росхимзащита") Способ стабилизации щелочного раствора пероксида водорода
CN103073030B (zh) * 2013-02-01 2014-05-07 青海盐湖工业股份有限公司 一种用于水解光卤石的结晶器
DE102013211093A1 (de) 2013-06-14 2014-12-18 Evonik Treibacher Gmbh Umhüllte Natriumpercarbonatpartikel
RU2669622C1 (ru) * 2018-01-31 2018-10-12 Генкин Михаил Владимирович Способ и реактор для извлечения хлорида натрия и хлорида калия из полиминеральных источников
CN109045745B (zh) * 2018-08-10 2021-08-24 自然资源部天津海水淡化与综合利用研究所 一种带提升导流的连续真空冷却结晶装置
CN110075562A (zh) * 2019-04-22 2019-08-02 天津大学 一种结晶器的澄清结构的设计方法
GB2599890A (en) * 2020-08-18 2022-04-20 Ashe Robert Improved loop reactor
CN112569628A (zh) * 2020-12-09 2021-03-30 湖北富奕达电子科技有限公司 一种对内部结晶后颗粒直接输出的磷酸二氢铝的结晶反应釜

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US2986448A (en) 1958-12-18 1961-05-30 Allied Chem Preparation of sodium percarbonate
DE1794202A1 (de) * 1968-09-21 1971-07-29 Bayer Ag Verfahren zur Trennung und Reinigung von Kristallen aus einer Kristallsuspension
NL169296C (nl) * 1968-11-20 1982-07-01 Solvay Werkwijze voor het bereiden van natriumcarbonaatperoxohydraat.
JPS5544644B2 (de) * 1971-09-23 1980-11-13
GB1466474A (en) * 1974-12-24 1977-03-09 Fmc Corp Process of preparing sodium carbonate peroxide
CA1070084A (en) * 1975-07-15 1980-01-22 Fmc Corporation Continuous crystallization process for preparing sodium carbonate peroxide
DE2627871C2 (de) * 1976-06-22 1978-08-24 Kali Und Salz Ag, 3500 Kassel Verfahren zur Gewinnung von grobem K2 SO4 in Kristallisatoren mit innerer Umwälzung und klassierendem Salzabzug
US4113552A (en) * 1976-08-05 1978-09-12 Whiting Corporation Elutriation leg and method
GB2082081B (en) * 1980-07-24 1984-04-26 Douwe Egberts Tabaksfab Process for countercurrent crystallization with recirculation
US4830836A (en) * 1984-03-30 1989-05-16 Kawasaki Steel Corporation Metal stripping system and an operation process therefor
DK151195C (da) * 1985-03-14 1988-07-04 Gerstenberg & Agger As Mellem- eller efterkrystallisator til anvendelse i forbindelse med roerkoelere med skrabere til krystallisation af smeltede eller emulgerede fedtstoffer
HU201258B (en) * 1988-04-29 1990-10-28 Energiagazdalkodasi Intezet Rotating-injector turbo mixer for mixing liquid and/or gaseous media
EP0523169A4 (en) * 1990-04-06 1993-02-03 Fmc Corporation Peroxygen laundry bleach
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US5363660A (en) * 1991-06-17 1994-11-15 Y. T. Li Engineering, Inc. Orbital type freezing apparatus and method

Also Published As

Publication number Publication date
PL179691B1 (pl) 2000-10-31
ITMI941928A0 (it) 1994-09-22
CN1127725A (zh) 1996-07-31
AU688950B2 (en) 1998-03-19
CN1052450C (zh) 2000-05-17
FI954498L (fi) 1996-03-23
EP0703190B1 (de) 2000-01-19
US6267934B1 (en) 2001-07-31
NZ280047A (en) 1997-06-24
CZ247495A3 (en) 1996-04-17
DK0703190T3 (da) 2000-07-10
AU3175495A (en) 1996-04-04
PL310574A1 (en) 1996-04-01
DE69514600D1 (de) 2000-02-24
JP3959129B2 (ja) 2007-08-15
JPH08175809A (ja) 1996-07-09
KR100394863B1 (ko) 2003-11-01
ITMI941928A1 (it) 1996-03-22
RU2160223C2 (ru) 2000-12-10
BR9504124A (pt) 1996-08-06
IT1270000B (it) 1997-04-16
MX9504062A (es) 1997-02-28
EP0703190A1 (de) 1996-03-27
FI954498A7 (fi) 1996-03-23
KR960010520A (ko) 1996-04-20
CA2158798A1 (fr) 1996-03-23
ES2144096T3 (es) 2000-06-01
FI954498A0 (fi) 1995-09-22
US5906660A (en) 1999-05-25
DE69514600T2 (de) 2000-08-10
ZA957854B (en) 1996-04-15

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee