发明名称 |
METHOD OF PREPARING ANHYDRITE BINDER |
摘要 |
FIELD: chemistry. ^ SUBSTANCE: invention relates to a method of preparing anhydrite binder and can be used in the industry of construction materials. In the method of preparing anhydrite binder from uncooled acidic wastes from production hydrogen fluoride, involving mixture and neutralisation of the said wastes with a lime-containing agent - self-decomposing ferrochromium slag with simultaneous grinding of the said mixture, a setting agent and a superplasticiser are added in amount of 0.7 and 0.5 wt %, respectively, of the mass of the said wastes while stirring. ^ EFFECT: increased strength of anhydrite binder. ^ 1 tbl |
申请公布号 |
RU2382743(C1) |
申请公布日期 |
2010.02.27 |
申请号 |
RU20080148450 |
申请日期 |
2008.12.08 |
申请人 |
GOSUDARSTVENNOE OBRAZOVATEL'NOE UCHREZHDENIE VYSSHEGO PROFESSIONAL'NOGO OBRAZOVANIJA "URAL'SKIJ GOSUDARSTVENNYJ TEKHNICHESKIJ UNIVERSITET-UPI IMENI PERVOGO PREZIDENTA ROSSII B.N. EL'TSINA" |
发明人 |
PURESKINA OLGA ANATOLEVNA;GASHKOVA VALENTINA IVANOVNA;PETROV NIKOLAJ SERGEEVICH;KATYSHEV SERGEJ FILIPPOVICH |
分类号 |
C04B11/06 |
主分类号 |
C04B11/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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