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Application filed by COMBINATUL DE FIBRE CELULOZICE SI HîRTIEfiledCriticalCOMBINATUL DE FIBRE CELULOZICE SI HîRTIE
Priority to RO125770ApriorityCriticalpatent/RO97070B1/en
Publication of RO97070B1publicationCriticalpatent/RO97070B1/en
Inventia se refera la un procedeu de obtinere a hârtiei de filtru combustibil, în scopul largirii gamei sortimentale si simplificarii conditiilor de lucru si consta în aceea ca, pasta, continând 60% celuloza chimica, 20% celuloza albita rasinoase si20& celofibra I B, este macinata pâna la 28...30 degree SR, banda de hârtie fiind deshidratata pâna la 20...22%, uscata pâna la 92% S.U., impregnata cu o compozitie care contine lac fenol-formaldehidic în mediu de amoniac si alcool metilic si, în final, uscata la 140...150 degree C.The invention relates to a process for obtaining the fuel filter paper in order to increase the assortment range and simplify the working conditions and consists in that the paste containing 60% chemical pulp, 20% white cellulose and 20% the cellophane IB is milled up to 28-30 degrees SR, the paper strip being dewatered to 20-22%, dry to 92% SU impregnated with a composition containing phenol-formaldehyde lacquer in ammonia medium and methyl alcohol and finally dried at 140-150 ° C.
RO125770A1986-12-091986-12-09Process for producing combustible filter paper
RO97070B1
(en)
AGENT CHELATING IN PARTICULAR N- (2-AMINOETHYL) -1, 3-PROPANEDIAMINE, N, N, N ', N' ', N' '- PENTAACETIC, HEAVY METAL CHELATES CONTAINING THE SAME, PROCESS FOR THE PREPARATION OF CHELATING AGENT AND ITS USE FOR WOOD PULP BLEACHING
PROCESS FOR THE PRODUCTION OF CHEMICAL CELLULOSE AND/OR PAPER PULP, AS WELL AS THE PLANT AND RELATED COMPONENTS FOR THE IMPLEMENTATION OF THE INDICATED PROCESS
A PROCEDURE FOR THE PREPARATION OF ETILEN-BIS (DITIOCARBAMATE) OF MANGANESE (II) (MANEB) STABILIZED, WITH LOW CONTENT IN ETILENTIOUREA AND SUCH PRODUCT