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|Title:||Porous materials based on foaming solutions obtained from industrial waste|
|Authors:||Starostina, I. V.|
Antipova, A. N.
Ovcharova, I. V.
Starostina, Yu. L.
|Keywords:||Authors of BSTU|
|Abstract:||This study analyzes foam concrete production efficiency. Research has shown the possibility of using a newly-designed protein-based foaming agent to produce porous materials using gypsum and cement binders. The protein foaming agent is obtained by alkaline hydrolysis of a raw mixture consisting of industrial waste in an electromagnetic field. The mixture consists of spent biomass of the Aspergillus niger fungus and dust from burning furnaces used in cement production. Varying the content of the foaming agent allows obtaining gypsum binder-based foam concretes with the density of 200-500 kg/m3 and compressive strength of 0.1-1.0 MPa, which can be used for thermal and sound insulation of building interiors. Cement binders were used to obtain structural and thermal insulation materials with the density of 300-950 kg/m3 and compressive strength of 0.9-9.0 MPa. The maximum operating temperature of cement-based foam concretes is 500°C because it provides the shrinkage of less than 2%.|
|Description:||Porous materials based on foaming solutions obtained from industrial waste / I. V. Starostina [et al.] // IOP Conf. Series: Materials Science and Engineering. - 2018. - Vol.327. - 032052.|
|Appears in Collections:||Industrial ecology|
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