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Natural radionuclides in lichens, mosses and ferns in a thermal power plant and in an adjacent coal mine area in southern Brazil
(2017-02-01)
The radio-elements 234U, 235U, 238U, 230Th, 232Th and 210Po were characterized in lichens, mosses and ferns species sampled in an adjacent coal mine area at Figueira City, Paraná State, Brazil, due to their importance for ...
Desenvolvimento de um reator de pirólise aquecido por micro-ondas para produção de bio óleo e bio carvão a partir de biomassa lignocelulósica
(Universidade Federal de Santa MariaBrasilQuímicaUFSMPrograma de Pós-Graduação em QuímicaCentro de Ciências Naturais e Exatas, 2023-03-07)
In this work a pyrolysis system heated by microwave radiation was developed with the objective of producing bio oil and bio char using biomass of pine wood residue as raw material. For this purpose, a microwave oven was ...
Underground coal mining : Relationship between coal dust levels and pneumoconiosis, in two regions of Colombia, 2014
(2015)
In Colombia, coal miner pneumoconiosis is considered a public health problem due to its irreversibility, high cost on diagnosis, and lack of data related to its prevalence in the country. Therefore, a cross-sectional study ...
SYNTHESIS, COLORFASTNESS EVALUATION AND UTILIZATION OF HUMIC ACID DERIVED DYES / PIGMENT
(Sociedad Chilena de Química, 2011)
Coal acid mine drainage treatment using cement kiln dust
(Universidad Nacional de Colombia Sede Medellín, 2014-08-25)
Sulphurs are present in different rocks. During mining activities and the sulphur removal processes Acid Mine Drainage (AMD) may be produced, by sulphate ions (SO4 2-) in solution. AMDs are the main source of pollution ...
Degradação térmica de resíduo sólido urbano visando a obtenção de bio-óleo e carvão ativado
(Universidade Federal do TocantinsBRPrograma de Pós-Graduação em Engenharia Ambiental - PPGEAPalmas, 2020)
Avaliação da capacidade de adsorção do carvão da pirólise do capim elefante na remoção do corante têxtil azul brilhante CB
(Universidade Federal do Rio Grande do NorteBrasilUFRNEngenharia Química, 2019-09-06)
In recent years, Elephant Grass has been pointed as a promising alternative for biomass for use as an energy input. Through pyrolysis, elephant grass powder, originated from the dry straw grinding, stands out when submitted ...