Results 11 to 20 of about 85,422 (266)

Potential use of a chemical leaching reject from a kaolin industry as agricultural fertilizer Uso potencial do resíduo químico lixiviado duma indústria de caulim como adubo de terras agrícolas

Revista Brasileira de Ciência do Solo, 2007
The industrial refining of kaolin involves the removal of iron oxides and hydroxides along with other impurities that cause discoloration of the final product and depreciate its commercial value, particularly undesirable if destined to the paper industry.
Fabiana Rodrigues Ribeiro, Fernando Barboza Egreja Filho, José Domingos Fabris, Wagner da Nova Mussel, Roberto Ferreira Novais   +4 more
doaj   +1 more source

Study of composition and properties of carbon-containing industrial rubber waste pyrolyzates [PDF]

E3S Web of Conferences, 2021
The study of mining industry rubber waste pyrolyzates and the search for new opportunities to expand the areas of their application remains an urgent research task.
Makarevich Evgeniуa, Papin Andrey, Cherkasova Tatiana   +2 more
doaj   +1 more source

Performance and rumen parameters of crossbred dairy cows fed two sugarcane varieties combined or not with soybean hulls

Revista Brasileira de Zootecnia, 2014
Two sugarcane varieties (IAC86-2480 and IAC91-2195) combined or not with soybean hulls (SH), partially replacing corn in concentrate, were included in the diet of crossbred dairy cows to evaluate the effects on feed intake, milk production, milk ...
Maria Lúcia Pereira Lima, Flávia Fernanda Simili, Maria Izabel Merino de Medeiros, Geraldo Balieiro Neto, Enilson Geraldo Ribeiro, Claudia Cristina Paro de Paz   +5 more
doaj   +1 more source

Composição química de um resíduo alcalino da indústria de papel e celulose (DREGS) Chemical composition of DREGS

Química Nova, 2007
Dregs is an alkaline solid by-product generated in the cellulose manufacturing industry that could be used to correct soil acidity. The present study aimed to evaluate the chemical composition of this product and some of its properties.
Henrique Cesar Almeida, Cristian Berto da Silveira, Paulo Roberto Ernani, Mari Lucia Campos, Denice Almeida   +4 more
doaj   +1 more source

Nanocellulose Produced from Rice Hulls and its Effect on the Properties of Biodegradable Starch Films [PDF]

Materials Research, 2016
Rice hull is a residue from agro-industry that can be used to produce nanocellulose. We produced nanocellulose from rice hulls through bleaching (with a 5% NaOH solution followed by a peracetic acid solution) and acid hydrolysis at a mild temperature ...
Pedro Nascimento, Renan Marim, Gizilene Carvalho, Suzana Mali   +3 more
doaj   +1 more source

Thermodynamic Considerations for a Pyrometallurgical Extraction of Indium and Silver from a Jarosite Residue

Metals, 2018
Indium and silver are technologically important, critical metals, and in the majority of cases, they are extracted as a by-product of another carrier metal.
Stefan Steinlechner, Jürgen Antrekowitsch   +1 more
doaj   +1 more source

Development of Epoxy Matrix Artificial Stone Incorporated with Sintering Residue from Steelmaking Industry [PDF]

Materials Research, 2015
The present work is part of an innovation research project aiming to develop artificial stone from industrial wastes. In principle, the project goal is to fabricate artificial stones with improved characteristics to be used as plates for housing and road
Elaine Aparecida Santos Carvalho, Vinícius Ribeiro Marques, Rubén Jesus Sánchez Rodrigues, Carlos Eduardo Gomes Ribeiro, Sergio Neves Monteiro, Carlos Maurício Fontes Vieira   +5 more
doaj   +2 more sources

Atributos químicos do solo, crescimento radicular e produtividade do arroz de acordo com a aplicação de escórias Soil chemical attributes, root growth and rice yield according to slag application

Pesquisa Agropecuária Brasileira, 2004
Resíduos industriais são fontes alternativas de nutrientes para as plantas e sua utilização decorre da necessidade de diminuir o acúmulo dos resíduos nos centros de produção.
Juliana Garcia Carvalho-Pupatto, Leonardo Theodoro Büll, Carlos Alexandre Costa Crusciol   +2 more
doaj   +1 more source

Quest for the Co-Pyrolysis Behavior of Rice Husk and Cresol Distillation Residue: Interaction, Gas Evolution and Kinetics

Energies, 2022
With the tremendous prosperity of industry, more and more hazardous waste is discharged from industrial production processes. Cresol distillation residue is a typical industrial hazardous waste that causes severe pollution without proper treatment ...
Na Xu, Mifen Cui, Zhuxiu Zhang, Jihai Tang, Xu Qiao   +4 more
doaj   +1 more source

Melhoria da fertilidade do solo decorrentes da adição de água residuária da indústria de enzimas Improvement of soil fertility as affected by the addition of enzyme industry wastewater

Revista Brasileira de Engenharia Agrícola e Ambiental, 2006
Em experimento a campo avaliou-se o valor fertilizante de água residuária de uma indústria de enzimas em um Argissolo Vermelho-Amarelo, no qual se cultivou milho (Zea mays, var. AG303), no município de Araucária, PR. Efetuou-se a caracterização química e
Luiz E. Cavallet, Luiz A.C. Lucchesi, Aníbal de Moraes, Edison Schimidt, Miguel A. Perondi, Ricardo A. da Fonseca   +5 more
doaj   +1 more source