ES269530A1 - A procedure for the obtaining of melamine from urea and/or its thermal dissociation products through a treatment of heat or pressure and heat of the starting material in the presence of ammonia and a catalyst (Machine-translation by Google Translate, not legally binding) - Google Patents

A procedure for the obtaining of melamine from urea and/or its thermal dissociation products through a treatment of heat or pressure and heat of the starting material in the presence of ammonia and a catalyst (Machine-translation by Google Translate, not legally binding)

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Publication number
ES269530A1
ES269530A1 ES0269530A ES269530A ES269530A1 ES 269530 A1 ES269530 A1 ES 269530A1 ES 0269530 A ES0269530 A ES 0269530A ES 269530 A ES269530 A ES 269530A ES 269530 A1 ES269530 A1 ES 269530A1
Authority
ES
Spain
Prior art keywords
heat
catalyst
melamine
urea
ammonia
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
ES0269530A
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.)
SUEDDEUTSCHE KALKSTICKSTOFF-WERKE AG
Evonik Operations GmbH
Original Assignee
SUEDDEUTSCHE KALKSTICKSTOFF-WERKE AG
SKW Trostberg 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
Application filed by SUEDDEUTSCHE KALKSTICKSTOFF-WERKE AG, SKW Trostberg AG filed Critical SUEDDEUTSCHE KALKSTICKSTOFF-WERKE AG
Publication of ES269530A1 publication Critical patent/ES269530A1/en
Expired legal-status Critical Current

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Abstract

A PROCESS FOR THE OBTAINING OF MELAMINE FROM UREA AND/OR ITS THERMAL DISSOCIATION PRODUCTS THROUGH A HEAT OR PRESSURE AND HEAT TREATMENT OF THE STARTING MATERIAL IN THE PRESENCE OF AMMONIA AND A CATALYST, characterized by the use of an oxide catalyst. with phosphoric acid content, without inner surface and/or a carbon catalyst with phosphoric acid content and without internal surface, having a total surface area of more than 0.1 m2/g, preferably of more than 20 m2/g. (Machine-translation by Google Translate, not legally binding)
ES0269530A 1960-11-30 1961-08-02 A procedure for the obtaining of melamine from urea and/or its thermal dissociation products through a treatment of heat or pressure and heat of the starting material in the presence of ammonia and a catalyst (Machine-translation by Google Translate, not legally binding) Expired ES269530A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE269530X 1960-11-30

Publications (1)

Publication Number Publication Date
ES269530A1 true ES269530A1 (en) 1961-11-16

Family

ID=38568809

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0269530A Expired ES269530A1 (en) 1960-11-30 1961-08-02 A procedure for the obtaining of melamine from urea and/or its thermal dissociation products through a treatment of heat or pressure and heat of the starting material in the presence of ammonia and a catalyst (Machine-translation by Google Translate, not legally binding)

Country Status (1)

Country Link
ES (1) ES269530A1 (en)

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