ES326142A3 - Procedure to obtain a concentrated aqueous solution of an alkaline thioanate. (Machine-translation by Google Translate, not legally binding) - Google Patents

Procedure to obtain a concentrated aqueous solution of an alkaline thioanate. (Machine-translation by Google Translate, not legally binding)

Info

Publication number
ES326142A3
ES326142A3 ES0326142A ES326142A ES326142A3 ES 326142 A3 ES326142 A3 ES 326142A3 ES 0326142 A ES0326142 A ES 0326142A ES 326142 A ES326142 A ES 326142A ES 326142 A3 ES326142 A3 ES 326142A3
Authority
ES
Spain
Prior art keywords
aqueous solution
alkaline
solution
translation
machine
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
ES0326142A
Other languages
Spanish (es)
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.)
Wyeth Holdings LLC
Original Assignee
American Cyanamid Co
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 American Cyanamid Co filed Critical American Cyanamid Co
Priority to ES0326142A priority Critical patent/ES326142A3/en
Publication of ES326142A3 publication Critical patent/ES326142A3/en
Expired legal-status Critical Current

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Artificial Filaments (AREA)
  • Paper (AREA)

Abstract

Process for obtaining a concentrated aqueous solution of an alkaline thiocyanate starting from a diluted solution containing from about 2% to about 10% by weight of said thiocyanate and having a pH lower than 7.0, being also a by-product from the manufacture of synthetic fibers, whose process comprises the operations of: adding to said solution as the only chemical additive, a substance that is alkaline in said aqueous solution, in an amount that is sufficient to increase the pH of said aqueous solution to 7.5 at least; filtering the solution that already has a pH of at least 7.5 to separate the solid matter in suspension; and concentrating the filtered solution by evaporation obtaining an aqueous solution with a concentration of said alkali metal thiocyanate, which can dissolve an acrylonitrile polymer. (Machine-translation by Google Translate, not legally binding)
ES0326142A 1966-04-29 1966-04-29 Procedure to obtain a concentrated aqueous solution of an alkaline thioanate. (Machine-translation by Google Translate, not legally binding) Expired ES326142A3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES0326142A ES326142A3 (en) 1966-04-29 1966-04-29 Procedure to obtain a concentrated aqueous solution of an alkaline thioanate. (Machine-translation by Google Translate, not legally binding)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES0326142A ES326142A3 (en) 1966-04-29 1966-04-29 Procedure to obtain a concentrated aqueous solution of an alkaline thioanate. (Machine-translation by Google Translate, not legally binding)

Publications (1)

Publication Number Publication Date
ES326142A3 true ES326142A3 (en) 1967-03-01

Family

ID=59076493

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0326142A Expired ES326142A3 (en) 1966-04-29 1966-04-29 Procedure to obtain a concentrated aqueous solution of an alkaline thioanate. (Machine-translation by Google Translate, not legally binding)

Country Status (1)

Country Link
ES (1) ES326142A3 (en)

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