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Priority to GEAP2005008994priorityCriticalpatent/GEP20074054B/en
Publication of GEP20074054BpublicationCriticalpatent/GEP20074054B/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Extraction Or Liquid Replacement
(AREA)
Abstract
A method comprises regrating tar with an adsorbent and extracting luminophor by the solvent, as a solvent the liquid mixture of propane-butane under pressure 588,4-1961,3 kPa (6-20atm) is used. During extraction the components are taken in the proportion - extraction mass: solvent = 1:(1-4).
GEAP20050089942005-09-272005-09-27Method for production of luminophor
GEP20074054B
(en)