ES2006112A6 - Simultaneous crystallisation of sodium and potassium chloride(s) - Google Patents

Simultaneous crystallisation of sodium and potassium chloride(s)

Info

Publication number
ES2006112A6
ES2006112A6 ES8800796A ES8800796A ES2006112A6 ES 2006112 A6 ES2006112 A6 ES 2006112A6 ES 8800796 A ES8800796 A ES 8800796A ES 8800796 A ES8800796 A ES 8800796A ES 2006112 A6 ES2006112 A6 ES 2006112A6
Authority
ES
Spain
Prior art keywords
crystallisation
sodium
evapn
soln
potassium chloride
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES8800796A
Other languages
Spanish (es)
Inventor
Gunter Hofmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vodafone GmbH
Original Assignee
Mannesmann AG
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
Priority claimed from EP19870730119 external-priority patent/EP0275814B1/en
Application filed by Mannesmann AG filed Critical Mannesmann AG
Publication of ES2006112A6 publication Critical patent/ES2006112A6/en
Expired legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Abstract

In the simultaneous crystallisation of sodium and potassium chlorides from aq. soln., esp. a soln. from processing of remelting slags in the secondary aluminium industry, in which the evapn. heat required for crystallisation is supplied by tubular heat exchanger surfaces, the novelty is that the temp. of the soln. is above 90 deg.C throughout the evapn. crystallisation stage(s). Pref. single stage evapn. crystallisation at at least 100 deg.C is carried out using (esp. mechanical) vapour compression.
ES8800796A 1987-10-06 1988-03-17 Simultaneous crystallisation of sodium and potassium chloride(s) Expired ES2006112A6 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19870730119 EP0275814B1 (en) 1986-12-16 1987-10-06 Process for simultaneously crystallising sodium chlorides and potassium chlorides

Publications (1)

Publication Number Publication Date
ES2006112A6 true ES2006112A6 (en) 1989-04-01

Family

ID=8198365

Family Applications (1)

Application Number Title Priority Date Filing Date
ES8800796A Expired ES2006112A6 (en) 1987-10-06 1988-03-17 Simultaneous crystallisation of sodium and potassium chloride(s)

Country Status (1)

Country Link
ES (1) ES2006112A6 (en)

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19980401