METHOD AND DEVICE FOR TREATMENT OF MATERIALS AND CLOSED SYSTEM FOR TREATMENT OF FOLDED AND INTERLACED SHEET MATERIALS Russian patent published in 2001 - IPC

FIELD: methods and devices for bringing sheet materials in contact with working medium; methods and devices for dioxidizing cellulose-base materials, such as books, journals, newspapers, documents, etc. SUBSTANCE: device for treatment of materials has reservoir for fluid medium, holders for materials arranged in reservoir for gripping the interlaced and folded material; it has root and system for relative motion between materials and fluid medium at preset speed in direction mainly parallel to root of materials when they are kept in holder; device includes sprayer for directing additional volume of fluid medium onto materials in direction mainly to root and sufficient for exerting action on entire root of materials by fluid medium when materials are kept in holders. EFFECT: enhanced efficiency of deoxidizing cellulose-base materials. 31 cl, 5 dwg, 2 tbl