Synthesis of zeolite type analcime from industrial wastes

被引：29

作者：

de la Villa Mencia, Raquel Vigil ^{[1
]}

Goiti, Eunate ^{[2
]}

Ocejo, Marta ^{[2
]}

Garcia Gimenez, Rosario ^{[1
]}

机构：

[1] UAM, Dept Geol & Geoquim, Un CSIC, Geomat Asso,Fac Ciencias, Madrid 28049, Spain

[2] TECNALLA R&I, Bldg Technol Div, Astondo Bidea 48160, Derio, Spain

来源：

MICROPOROUS AND MESOPOROUS MATERIALS | 2020年 / 293卷

关键词：

Analcime; Industrial waste; Hydrothermal synthesis; Cement paste; PAPER SLUDGE ASH; HYDROTHERMAL SYNTHESIS; FLY-ASH; MATERIAL CONVERSION; SANDSTONE CAKE; ZSM-5; ZEOLITE; SILICA FUME; NA-X; KAOLINITE; PERFORMANCE;

D O I：

10.1016/j.micromeso.2019.109817

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

A range of industrial wastes (recycled glass, silica fume, siliceous concrete waste aggregates, sterile coal and foundry sand from the steel industry) are employed in the formation of secondary raw materials following their hydrothermal treatment. Composed mainly of zeolites, these secondary materials, in almost all cases, formed analcime. The sterile coal yielded the best defined analcime crystals. In addition, the secondary raw materials are incorporated as an addition in cement paste formulations, to evaluate their effect at early stages of the hydration process. The secondary materials from the siliceous concrete waste aggregates and recycled glass produced a 23% increase in the compressive strength of the paste after 1 day of curing (in comparison with the cement paste reference).

引用

页数：9

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