An efficient technology for production of faience articles using calcium-containing waste

Yatsenko, N. D.; Zubekhin, A. P.; Golovanova, S. P.; Rat'kova, V. P.; Vil’bitskaya, N. A.

doi:10.1007/bf02681372

Cited by 4 publications

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“…The integrated use of raw materials and waste is also associated with solving the problem of non-waste and environmentally friendly technologies creation [1]. A special interest is the use of technogenic raw materials which, on the one hand, ensures the saving of natural raw materials and, on the other hand, allows it to be disposed of improving the environmental situation [2,3]. To use local raw materials, it is necessary to develop new effective technologies or improve existing methods to produce silicate materials [1].…”

Section: Introductionmentioning

confidence: 99%

Ways for Recycling of Quartz Waste in the Production of Silicate Materials

Pavlova

Zemlyanoi

Farafontova

et al. 2020

Kms

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The technological properties of quartz waste associated with the clay deposit are investigated by way of emission spectral analysis, petrography and X-ray phase analysis. This study considers the possibility of quartz waste utilization in the production of dry building mixtures as a filler, magnesia-quartz proppants as a raw material component, cement as a siliceous component, fine ceramics as a partially fluxing and exhausting component, silicate brick as the main raw material. In the production of glass and glassware it is possible to make use of the quartz waste as a glass-forming component including silicate blocks after refining for the Al2O3 and Fe2O3 content. Quartz waste can be recommended as molding sand after refining for the contents of Fe2O3, Na2O, K2O, MgO, CaO. Improvement of the properties of the quartz waste can be achieved by ways of elutriation to remove the clay component as well as magnetic separation to remove magnetic compounds of iron. Keywords: quartz waste, proppants, glass, cement, silicate brick, building mixtures, fine ceramics, molding sand, recycling

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Section: Introductionmentioning

confidence: 99%

Ways for Recycling of Quartz Waste in the Production of Silicate Materials

Pavlova

Zemlyanoi

Farafontova

et al. 2020

Kms

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“…High-speed mode of roasting, introduced practically at all leading enterprises of branch, also defines structures of ceramic masses. Ways of receiving structural ceramics on such technology are developed and explained in a number of publications [1][2][3][4][5] for receiving the non shrinking ceramics in the conditions of the low-temperature roasting at a solid phase baking use carbonaceous components -chalk, limestone, dolomite, etc. However, its frequently post roasting physical and mechanical properties are unsatisfactory.…”

Section: Introductionmentioning

confidence: 99%

The Role of Industrial Waste in the Formation of the Structure and Properties of Effective Wall Ceramics

Yatsenko

Vil’bitskaya

Yatsenko

2018

MSF

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“…To produce low-shrinkage and stronger tiles with the anorthite structure, the current practice calls for adding calcium carbonate into the mixtures, which increases the water absorption of ceramics [2,3]. This change in the structure impairs the quality of the glaze coating.…”

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confidence: 99%

Underglaze engobe for ceramic facing tiles

Nestertsov

2004

Glass Ceram

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A formula for white underglaze engobe is developed based on porcelain-faience waste (after the first firing) to be used on facing tiles with a dark-colored ceramic base. Applying this engobe to a dried tile ensures good sinterability of the engobe to the tile at higher temperatures of the first firing. This makes it possible to simplify the engobe composition and to improve the quality parameters of the tile itself and of the glaze coating.When ceramic tiles for interior wall decoration are produced from local red-burning clays and industrial waste, the base of the ceramic tile, as a rule, has a dark color which requires an elevated consumption of expensive glaze and opacifier. A solution for this problem can be found in applying a white underglaze layer (engobe) whose composition is based on inexpensive materials and developing a technology for its deposition on tiles.The existing compositions and technology for depositing engobe on fired tiles before glazing have several disadvantages related to the multicomponent compositions using easily sintering materials (as a rule, frits) [1]. This is caused by the requirement to match the engobe sintering temperature and the glaze spreading temperature, as well as more stringent requirements on the flow properties of the engobe slip, such as good fluidity combined with sufficiently high density.To produce low-shrinkage and stronger tiles with the anorthite structure, the current practice calls for adding calcium carbonate into the mixtures, which increases the water absorption of ceramics [2,3]. This change in the structure impairs the quality of the glaze coating.We have developed engobe formulas and a technology for their deposition of predried tiles and their subsequent sintering to the tile surface at the higher temperatures (1050 -1150°C) of the first firing. In this case a surface layer with preset water absorption and increased whiteness is formed.The main component for developing engobe compositions with increased whiteness was the waste (after the first firing) generated by the porcelain and faience industry. To bond the engobe layer to the tile surface and to make the engobe slip steadier, white-burning clay and carboxymethyl cellulose (CMC) were introduced into the mixture. The sintering of engobe with the tile surface depends on the first firing temperature and is controlled by adding clear glass cullet or a boron-bearing component into the engobe composition. The engobe contains (wt.%): 70 -80 porcelain-faience production waste; 10 -20 white-burning clays, up to 0.2 CMC, and 20 -30 cullet. The chemical composition of the initial components is listed in Table 1.An engobe slip of moisture 55 -57%, density 1.34 -1.38 g/cm 3 , and time of efflux from a viscosimeter (hole diameter 4 mm) equal to 11 -12 sec was prepared by moist milling in a ball mill to a residue of 1.5 -2.0% on a sieve No. 0063.Engobe was deposited on a dry tile surface by spraying. In this case the sprayer should finely disperse the engobe, producing a smooth engobe layer.In industrial conditio...

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An efficient technology for production of faience articles using calcium-containing waste

Cited by 4 publications

References 0 publications

Ways for Recycling of Quartz Waste in the Production of Silicate Materials

Ways for Recycling of Quartz Waste in the Production of Silicate Materials

The Role of Industrial Waste in the Formation of the Structure and Properties of Effective Wall Ceramics

Underglaze engobe for ceramic facing tiles

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