| 摘要 |
FIELD: chemistry. ^ SUBSTANCE: clayphospate material includes loam, iron-containing waste of metallurgical production with residue on sieve äû 008 7-11 wt %, which contains Fe (II) oxide, orthophosphoric acid with density 1.24-1.25 g/cm3, additionally contains waste of carbon foam floatation with residue on sieve äû 008 3-5%, which contains wt %: C- - 85.4; F- - 4.66; Al+3 - 2.2; Na+ - 2.9; FeO - 0.75; SiO2 - 0.08, with following component ratio, wt %: loam - 67-70, said iron-containing waste - 6-8, said waste of carbon foam floatation - 3-5, orthophosphoric acid with density 1.24-1.25 g/cm3- the remaining part. ^ EFFECT: reduction of clay-phosphate material durability with preservation of water-resistance. ^ 1 tbl |
