COMPOSITION FOR MANUFACTURING PRESSED MATERIALS FROM STRAW OF GRAIN AGRICULTURAL CROPS (VERSIONS) Russian patent published in 2017 - IPC B27N3/00 

FIELD: agriculture.

SUBSTANCE: composition includes ground straw of grain agricultural crops and a binder. The composition according to the first implementation version comprises a modified biomass of residual yeast beer production waste as a binder. The component ratio, wt %: ground straw of grain agricultural crops - 58-60, modified biomass of residual yeast beer production waste - 40-42. The composition according to the second implementation version comprises a culture liquid containing the exopolysaccharide levan as a binder. The component ratio, wt %: ground straw of grain agricultural crops - 65-67, culture liquid containing the exopolysaccharide levan - 33-35.

EFFECT: increased strength, reduced toxicity of pressed materials from straw.

2 cl, 2 tbl