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ZA957854B - Process for the manufacture of persalt particles - Google Patents

Process for the manufacture of persalt particles

Info

Publication number
ZA957854B
ZA957854B ZA957854A ZA957854A ZA957854B ZA 957854 B ZA957854 B ZA 957854B ZA 957854 A ZA957854 A ZA 957854A ZA 957854 A ZA957854 A ZA 957854A ZA 957854 B ZA957854 B ZA 957854B
Authority
ZA
South Africa
Prior art keywords
soln
salt
crystalliser
particles
per
Prior art date
Application number
ZA957854A
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
Publication of ZA957854B publication Critical patent/ZA957854B/xx

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)
  • Steroid Compounds (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Seasonings (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Fertilizers (AREA)
  • Disintegrating Or Milling (AREA)
  • Medicinal Preparation (AREA)
ZA957854A 1994-09-22 1995-09-18 Process for the manufacture of persalt particles ZA957854B (en)

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
ZA957854B true ZA957854B (en) 1996-04-15

Family

ID=11369583

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA957854A ZA957854B (en) 1994-09-22 1995-09-18 Process for the manufacture of persalt particles

Country Status (20)

Country Link
US (2) US5906660A (xx)
EP (1) EP0703190B1 (xx)
JP (1) JP3959129B2 (xx)
KR (1) KR100394863B1 (xx)
CN (1) CN1052450C (xx)
AT (1) ATE188949T1 (xx)
AU (1) AU688950B2 (xx)
BR (1) BR9504124A (xx)
CA (1) CA2158798A1 (xx)
CZ (1) CZ247495A3 (xx)
DE (1) DE69514600T2 (xx)
DK (1) DK0703190T3 (xx)
ES (1) ES2144096T3 (xx)
FI (1) FI954498L (xx)
IT (1) IT1270000B (xx)
MX (1) MX9504062A (xx)
NZ (1) NZ280047A (xx)
PL (1) PL179691B1 (xx)
RU (1) RU2160223C2 (xx)
ZA (1) ZA957854B (xx)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
PL187762B1 (pl) * 1996-03-27 2004-10-29 Solvay Interox Sa Sposób ciągły wytwarzania nadtlenowęglanu sodowego, urządzenie do wytwarzania nadtlenowęglanu sodowego i nadtlenowęglan sodowy
KR100366556B1 (ko) 2000-04-26 2003-01-09 동양화학공업주식회사 세제용 입상 코티드 과탄산나트륨과 이의 제조방법
AU2003292165A1 (en) 2002-12-20 2004-07-22 Henkel Kommanditgesellschaft Auf Aktien Bleach-containing washing or cleaning agents
AU2003290007A1 (en) 2002-12-20 2004-07-14 Degussa Ag Liquid detergent and cleaning agent composition
DE10320197A1 (de) * 2002-12-20 2004-07-08 Degussa Ag Umhüllte Persauerstoffverbindungen mit kontrollierter Freisetzung, Verfahren zu ihrer Herstellung und ihrer Verwendung
BR0317554B1 (pt) * 2002-12-20 2013-12-24 Evonik Degussa Gmbh Compostos peroxigenados revestidos com liberação controlada, um processo para preparação deles e uso dos mesmos
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
EP1592768A2 (de) * 2003-02-10 2005-11-09 Henkel Kommanditgesellschaft auf Aktien Verwendung von cellulosederivaten als schaumregulatoren
ATE350447T1 (de) * 2003-02-10 2007-01-15 Henkel Kgaa Erhöhung der wasseraufnahmefähigkeit von textilien
DE10351325A1 (de) 2003-02-10 2004-08-26 Henkel Kgaa Wasch- oder Reinigungsmittel mit wasserlöslichem Buildersystem und schmutzablösevermögendem Cellulosederivat
ATE362511T1 (de) 2003-02-10 2007-06-15 Henkel Kgaa Bleichmittelhaltige wasch- oder reinigungsmittel mit wasserlöslichem buildersystem und schmutzablösevermögendem cellulosederivat
ATE342953T1 (de) * 2003-02-10 2006-11-15 Henkel Kgaa Bleichmittelhaltiges waschmittel mit baumwollaktivem schmutzablösevermögendem cellulosederivat
PT1475350E (pt) 2003-05-07 2005-09-30 Degussa Granulado de percarbonato de sodio revestido com estabilidade no armazenamento melhorada
EP1628912A2 (de) * 2003-05-23 2006-03-01 Degussa AG Verwendung von pulverf rmigen mischungen, enthaltend wassers toffperoxid und hydrophobiertes siliciumdioxid zur kontrollierten freisetzung von wasserstoffperoxid oder sauerstoff
DE102004054495A1 (de) 2004-11-11 2006-05-24 Degussa Ag Natriumpercarbonatpartikel mit einer Thiosulfat enthaltenden Hüllschicht
ATE409218T1 (de) 2006-07-27 2008-10-15 Evonik Degussa Gmbh Umhüllte natriumpercarbonatpartikel
ATE411375T1 (de) 2006-07-27 2008-10-15 Evonik Degussa Gmbh Umhüllte natriumpercarbonatpartikel
EP1882732B1 (de) 2006-07-27 2010-05-05 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.
EP2080544B1 (de) 2007-12-19 2010-12-01 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

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2986448A (en) 1958-12-18 1961-05-30 Allied Chem Preparation of sodium percarbonate
JPS5544644B2 (xx) * 1971-09-23 1980-11-13
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
US4830836A (en) * 1984-03-30 1989-05-16 Kawasaki Steel Corporation Metal stripping system and an operation process therefor
HU201258B (en) * 1988-04-29 1990-10-28 Energiagazdalkodasi Intezet Rotating-injector turbo mixer for mixing liquid and/or gaseous media
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
ITMI941928A1 (it) 1996-03-22
AU688950B2 (en) 1998-03-19
NZ280047A (en) 1997-06-24
ATE188949T1 (de) 2000-02-15
CN1052450C (zh) 2000-05-17
BR9504124A (pt) 1996-08-06
US6267934B1 (en) 2001-07-31
FI954498L (fi) 1996-03-23
PL179691B1 (pl) 2000-10-31
PL310574A1 (en) 1996-04-01
ES2144096T3 (es) 2000-06-01
IT1270000B (it) 1997-04-16
JP3959129B2 (ja) 2007-08-15
US5906660A (en) 1999-05-25
KR100394863B1 (ko) 2003-11-01
AU3175495A (en) 1996-04-04
DK0703190T3 (da) 2000-07-10
FI954498A0 (fi) 1995-09-22
RU2160223C2 (ru) 2000-12-10
KR960010520A (ko) 1996-04-20
JPH08175809A (ja) 1996-07-09
DE69514600T2 (de) 2000-08-10
CZ247495A3 (en) 1996-04-17
MX9504062A (es) 1997-02-28
ITMI941928A0 (it) 1994-09-22
EP0703190B1 (fr) 2000-01-19
DE69514600D1 (de) 2000-02-24
EP0703190A1 (fr) 1996-03-27
CA2158798A1 (fr) 1996-03-23
CN1127725A (zh) 1996-07-31

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