2006
DOI: 10.1016/j.coal.2005.10.006
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Petrology and chemistry of Permian coals from the Paraná Basin: 1. Santa Terezinha, Leão-Butiá and Candiota Coalfields, Rio Grande do Sul, Brazil

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Cited by 101 publications
(63 citation statements)
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“…30%), with the rest disposed of in ash ponds, landfills or exhausted mines. 9,10 An important application of this waste, which has garnered scientific interest, is its use in zeolite synthesis due to a number of CFA characteristics, including high silicon and aluminum content (the main components of zeolites), elevated levels of reactive (amorphous) phases and small particle size, as well as its low cost and wide availability. 1,11 Zeolites are non-toxic hydrated crystalline aluminosilicate frameworks used worldwide and known for their remarkable thermal and chemical stability, versatility, low cost and uniform porosity.…”
Section: Introductionmentioning
confidence: 99%
“…30%), with the rest disposed of in ash ponds, landfills or exhausted mines. 9,10 An important application of this waste, which has garnered scientific interest, is its use in zeolite synthesis due to a number of CFA characteristics, including high silicon and aluminum content (the main components of zeolites), elevated levels of reactive (amorphous) phases and small particle size, as well as its low cost and wide availability. 1,11 Zeolites are non-toxic hydrated crystalline aluminosilicate frameworks used worldwide and known for their remarkable thermal and chemical stability, versatility, low cost and uniform porosity.…”
Section: Introductionmentioning
confidence: 99%
“…De acordo com Kalkreuth [10], no Brasil sete usinas termoelétricas dos Estados do RS e de SC produzem aproximadamente 3 milhões de toneladas de cinzas a cada ano, as quais são compostas de 65 a 85% de cinza leve e 15 a 35% de cinza pesada. Como apenas uma pequena parcela de cinzas é aproveitada na produção de clínquer para a fabricação de cimento Portland, o restante é disposto em bacias de cinzas ou utilizado para tapar poços de minas esgotados [10].…”
Section: Introductionunclassified
“…De acordo com Kalkreuth [10], no Brasil sete usinas termoelétricas dos Estados do RS e de SC produzem aproximadamente 3 milhões de toneladas de cinzas a cada ano, as quais são compostas de 65 a 85% de cinza leve e 15 a 35% de cinza pesada. Como apenas uma pequena parcela de cinzas é aproveitada na produção de clínquer para a fabricação de cimento Portland, o restante é disposto em bacias de cinzas ou utilizado para tapar poços de minas esgotados [10].De outro lado, a indústria têxtil encontra-se entre os 8 setores mais importantes da atividade industrial brasileira, sendo que nas regiões Sul e Sudeste encontram-se 80% destas indústrias. Do ponto de vista ambiental, a remoção da cor dos efluentes é uma das dificuldades enfrentadas por este setor.…”
unclassified
“…The most important coal reservoirs in Brazil are in the states of Santa Catarina and Rio Grande do Sul, in the south sector of Paraná Basin (Kalkreuth et al 2006). The Catarinense Coal Basin (CCB) covers a polygon of approximately 1,200 km 2 in the southeastern part of Santa Catarina state, between 28°48¢ and 28°23¢ S and between 49°33¢ and 49°15¢ W (ABCM 2017).…”
Section: Introductionmentioning
confidence: 99%