Influence of kaolin ignition temperature changes on the strength qualities of proppants

Abstract

The article describes investigation of the influence of kaolin ignition temperature of 900 °C, 980 °C and 1100 °C on the strength of proppants. It was established that the ignition temperature of kaolin has a significant influence on the strength of the proppant. It was revealed that the ignition of kaolin at a temperature of 980 °C and higher temeperatures causes the appearance of poorly crystallized defective mullite - imperfection of the crystal structure. The presence of defective mullite activates the sintering process (consolidation and hardening) of proppant granules, which provides a proppant with higher strength at the same temperatures (1450°C). In this case the active crystallization of cristobalite from the melt during the sintering roasting reduces the total amount of glass phase in the material, which in its turn is beneficial to increase the strength of the proppants.

Original language	English
Title of host publication	Proceedings - 2012 7th International Forum on Strategic Technology, IFOST 2012
DOIs	https://doi.org/10.1109/IFOST.2012.6357479
Publication status	Published - 2012
Event	2012 7th International Forum on Strategic Technology, IFOST 2012 - Tomsk, Russian Federation Duration: 18 Sep 2012 → 21 Sep 2012

Other

Other	2012 7th International Forum on Strategic Technology, IFOST 2012
Country	Russian Federation
City	Tomsk
Period	18.9.12 → 21.9.12

Keywords

cristobalite
ignition
kaolin
mullite
proppant
sintering
technology for obtaining proppants

ASJC Scopus subject areas

Management of Technology and Innovation

Access to Document

10.1109/IFOST.2012.6357479

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Cite this

Reshetova, AA , Vakalova, TV, Govorova, LP & Domukhovskaya, EA 2012, Influence of kaolin ignition temperature changes on the strength qualities of proppants. in Proceedings - 2012 7th International Forum on Strategic Technology, IFOST 2012., 6357479, 2012 7th International Forum on Strategic Technology, IFOST 2012, Tomsk, Russian Federation, 18.9.12. https://doi.org/10.1109/IFOST.2012.6357479

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title = "Influence of kaolin ignition temperature changes on the strength qualities of proppants",

abstract = "The article describes investigation of the influence of kaolin ignition temperature of 900 °C, 980 °C and 1100 °C on the strength of proppants. It was established that the ignition temperature of kaolin has a significant influence on the strength of the proppant. It was revealed that the ignition of kaolin at a temperature of 980 °C and higher temeperatures causes the appearance of poorly crystallized defective mullite - imperfection of the crystal structure. The presence of defective mullite activates the sintering process (consolidation and hardening) of proppant granules, which provides a proppant with higher strength at the same temperatures (1450°C). In this case the active crystallization of cristobalite from the melt during the sintering roasting reduces the total amount of glass phase in the material, which in its turn is beneficial to increase the strength of the proppants.",

keywords = "cristobalite, ignition, kaolin, mullite, proppant, sintering, technology for obtaining proppants",

author = "Reshetova, {A. A.} and Vakalova, {T. V.} and Govorova, {L. P.} and Domukhovskaya, {E. A.}",

year = "2012",

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language = "English",

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AU - Reshetova, A. A.

AU - Vakalova, T. V.

AU - Govorova, L. P.

AU - Domukhovskaya, E. A.

PY - 2012

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N2 - The article describes investigation of the influence of kaolin ignition temperature of 900 °C, 980 °C and 1100 °C on the strength of proppants. It was established that the ignition temperature of kaolin has a significant influence on the strength of the proppant. It was revealed that the ignition of kaolin at a temperature of 980 °C and higher temeperatures causes the appearance of poorly crystallized defective mullite - imperfection of the crystal structure. The presence of defective mullite activates the sintering process (consolidation and hardening) of proppant granules, which provides a proppant with higher strength at the same temperatures (1450°C). In this case the active crystallization of cristobalite from the melt during the sintering roasting reduces the total amount of glass phase in the material, which in its turn is beneficial to increase the strength of the proppants.

AB - The article describes investigation of the influence of kaolin ignition temperature of 900 °C, 980 °C and 1100 °C on the strength of proppants. It was established that the ignition temperature of kaolin has a significant influence on the strength of the proppant. It was revealed that the ignition of kaolin at a temperature of 980 °C and higher temeperatures causes the appearance of poorly crystallized defective mullite - imperfection of the crystal structure. The presence of defective mullite activates the sintering process (consolidation and hardening) of proppant granules, which provides a proppant with higher strength at the same temperatures (1450°C). In this case the active crystallization of cristobalite from the melt during the sintering roasting reduces the total amount of glass phase in the material, which in its turn is beneficial to increase the strength of the proppants.

KW - cristobalite

KW - ignition

KW - kaolin

KW - mullite

KW - proppant

KW - sintering

KW - technology for obtaining proppants

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