Peculiarities of foam glass synthesis from natural silica-containing raw materials

Yatsenko, E. A.; Гольцман, Б. М.; Klimova, L. V.; Yatsenko, L.A.

doi:10.1007/s10973-020-10015-3

Cited by 30 publications

(15 citation statements)

References 42 publications

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“…The weight loss at 619 • C was likely due to the loss of structural water by the dehydroxylation of silanol groups in the opal structure of diatomite [7,28].…”

Section: Raw Materials Characterizationmentioning

confidence: 99%

“…Because of the relative scarcity of suitable glass cullet in some regions, the high price of foam glass, and efforts to lower the environmental impact of building materials and achieve zero waste production, a significant amount of work is ongoing to discover alternative raw materials for the production of foam glass [7].…”

Section: Introductionmentioning

confidence: 99%

“…In terms of natural raw materials, in addition to zeolitic rocks [18,19], diatomaceous earth has been recognized as a suitable candidate due to its price, availability and the stability of the mineralogical composition of its deposits. However, most of the available studies have focused on either a partial replacement of glass in ordinary foam glass production or the use of high quality raw diatomaceous earth with a high diatom shell content [7,20,21].…”

Section: Introductionmentioning

confidence: 99%

“…NaOH is especially interesting in conjunction with alternative raw materials for foam glass production because it can react with amorphous silica and clay minerals to form silicate hydrates. The formation and subsequent thermal decomposition of these hydrates cause a significant decrease in the temperature for sintering, melt formation and foaming caused by the release of water vapor from structurally bound water [7,26,27].…”

Section: Introductionmentioning

confidence: 99%

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Preparation and Characterization of Glass-Ceramic Foam from Clay-Rich Waste Diatomaceous Earth

et al. 2022

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In this study, the potential use of waste diatomaceous earth from the production of diatomaceous earth for filtration purposes, as an alternative raw material for foam glass production, was explored. The chemical and mineralogical composition and the high temperature behavior of waste diatomite were studied to assess its suitability for foam glass production. Glass-ceramic foams were prepared using NaOH solution as a foaming agent, via a hydrate mechanism. The influence of different pretreatments and firing temperatures on the foam’s structure, bulk density and compressive strength was investigated. High temperature behavior was studied using TG/DTA analysis and high temperature microscopy. Phase composition was studied using X-ray diffraction analysis. Glass-ceramic foam samples of a high porosity comparable to conventional foam glass products were fabricated. The pretreatment temperature, foaming temperature and sintering holding time were found to have a significant influence on foam properties. With increased pretreatment temperature, pyrogenic carbon from the thermal decomposition of organic matter contained in the raw material acted as an additional foaming agent and remained partially unoxidized in prepared foams. The bulk densities of prepared samples ranged from 150 kg/m3 to 510 kg/m3 and their compressive strengths were between 140 and 1270 kPa.

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“…The weight loss at 619 • C was likely due to the loss of structural water by the dehydroxylation of silanol groups in the opal structure of diatomite [7,28].…”

Section: Raw Materials Characterizationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Preparation and Characterization of Glass-Ceramic Foam from Clay-Rich Waste Diatomaceous Earth

et al. 2022

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“…%) skelné moučky surovou křemelinou při dosažení objemové hmotnosti výsledného produktu 200 kg/m 3 použitím běžně využívaných pěnících činidel (glycerol, vodní sklo). Přípravou izolačního materiálu výhradně za použití křemeliny bez nutnosti přídavku skelné moučky se zabývala studie E. A. Yatsenko et al [15].…”

Section: Literární Přehled/popis Současného Stavuunclassified

Vliv odpadní křemeliny jako vstupní suroviny na vlastnosti anorganického pěnového skla

Nguyen¹,

Sedlařík²,

Sokolar³

et al. 2022

Juniorstav

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Tento článek se zabývá procesem výroby anorganického pěnového skla při využití odpadní křemeliny jako vstupní suroviny. Odpadní křemelina byla nejprve podrobena analýze chemického a mineralogického složení. Pěnové sklo bylo vytvořeno pomocí práškové spékací metody lisováním do tablet za přídavku pěnícího činidla. Po výpalu bylo zkoumány vlastnosti pěnového skla pomocí rentgenové difrakční analýzy, rastrovacího elektronového mikroskopu, stanovení objemové hmotnosti a pevnosti v tlaku. Možnost využití odpadní křemeliny v surovinových směsích byla zkoumána v souladu s vlivem teploty výpalu a výslednými vlastnostmi anorganického pěnového skla.

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Influence of Modifying Additives on the Structure and Properties of Porous Geopolymer Building Materials Based on Solid Fuel Combustion Waste of Arctic Thermal Power Plants

Yatsenko

Гольцман

Trofimov

et al. 2023

Lecture Notes in Civil Engineering

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Peculiarities of foam glass synthesis from natural silica-containing raw materials

Cited by 30 publications

References 42 publications

Preparation and Characterization of Glass-Ceramic Foam from Clay-Rich Waste Diatomaceous Earth

Preparation and Characterization of Glass-Ceramic Foam from Clay-Rich Waste Diatomaceous Earth

Vliv odpadní křemeliny jako vstupní suroviny na vlastnosti anorganického pěnového skla

Influence of Modifying Additives on the Structure and Properties of Porous Geopolymer Building Materials Based on Solid Fuel Combustion Waste of Arctic Thermal Power Plants

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