ES432801A1 - Method for the bleaching of materials containing cellulose. (Machine-translation by Google Translate, not legally binding)
- Google Patents
Method for the bleaching of materials containing cellulose. (Machine-translation by Google Translate, not legally binding)
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.)
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Ahlstrom Corp
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Ahlstrom Corp
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Application filed by Ahlstrom CorpfiledCriticalAhlstrom Corp
Priority to ES432801ApriorityCriticalpatent/ES432801A1/en
Publication of ES432801A1publicationCriticalpatent/ES432801A1/en
Method for the bleaching of cellulose-containing materials with oxidizing gas in an alkaline setting, in which a slurry of pulp is treated with alkali solution and the oxidizing gas for the separation of lignin at high temperatures and pressure, characterized in that the pulp suspension it has been transformed into stable foam in the presence of a foaming agent. (Machine-translation by Google Translate, not legally binding)
ES432801A1974-12-111974-12-11Method for the bleaching of materials containing cellulose. (Machine-translation by Google Translate, not legally binding)
ExpiredES432801A1
(en)
An improved method of conforming objects, preferably plane objects made of fibrous materials. (Machine-translation by Google Translate, not legally binding)
Chemical method for obtaining pulp of cellulose from the turbase for use as a raw material in paper manufacture. (Machine-translation by Google Translate, not legally binding)