| 摘要 |
FIELD: construction.SUBSTANCE: invention relates to a method of recycling abrasive dust fibre panels and by-product gypsum products. Method for repeated use abrasive dust formed during manufacture of fibreglass panels, or wastes from production of gypsum board panels containing gypsum and fibre paper, which includes following steps: increased grain size in abrasive dust to average grain size from 20 to 60 mcm by converting to a type α-gypsum; addition of gypsum with increased grain size in amount of 1 to 50 wt% content at ratio of gypsum plaster in composition for production of fibre panels.EFFECT: technical result is improved characteristics of normal suction of gypsum for production of fibre panels.9 cl, 5 dwg |
