Abstract:
IN THE COURSE OF BEING DELIVERED INTO A GENERALLY VERTICAL BLEACHING VESSEL, CONTAINING A GASEOUS BLEACHING AGENT IN A FREE SPACE IN THE UPPER PART OF THE VESSEL, A CELLULOSE PULP IS SUBJECTED TO VIGOROUS MECHANICAL WORKING IN A DIRECTION TRANSVERSE TO THE FALLING DIRECTION THEREBY BEING FINELY DISINTEGRATED AND FLUFFED.