Coke Plant
Mostrando 1-12 de 22 artigos, teses e dissertações.
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1. Benefícios sociais e ambientais do coprocessamento de pneus inservíveis: estudo de caso na cidade de João Pessoa-PB
The useless tire is a residue that must be managed correctly until its final disposal as well as its collection and storage must be done adequately. Therefore, if it is inadequately disposed of, it can cause damages to the environment and to public health. In March 2005 the city of João Pessoa, initiated a program called Programa Nordeste Rodando Limpo - No
Publicado em: 2010
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2. Application of experimental design in different stages of the oil refining / Aplicação de planejamento de experimentos em diferentes etapas do refino de petroleo
In this work, experimental design technique was applied to different optimization studies, which were carried out in the Paulínia Refinery (Replan). The work covers applications of the technique in laboratorial scale, in computational tool, and the use of the technique in different industrial plants. The laboratory studies consisted in the evaluation of the
Publicado em: 2009
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3. Desenvolvimento experimental e validaÃÃes do processo catalÃtico (Ni/γ-Al2O3/CeO2-Al2O3) de reforma metano-diÃxido de carbono em reator de leito fluidizado
Carbon dioxide of methane reforming into syngas over Ni/γ-Al2O3 and Ni/CeO2-Al2O3 catalysts was investigated. The Nikel catalysts presented high activity and stability although of the potential of coke formation on its active sites. The development of the dry methane reform for process, main component of natural gÃs (GN), was studied in a fluidized bed
Publicado em: 2009
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4. Cocking process control parameters of the COSIPAs coke plant. / Parâmetros de controle do processo de coqueificação das baterias de fornos de coque da COSIPA.
O controle de processo de uma planta de fabricação de coque depende de muitas variáveis particulares de cada planta. A busca de modelos de controle próprios torna-se necessário. O presente trabalho apresenta um projeto de experimentos, em forno piloto, para investigar a influência dos principais parâmetros de controle de fabricação do coque quanto �
Publicado em: 2008
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5. Development of a computaciona model for thermal cracking processes / Desenvolvimento de modelo computacional para craqueamento termico
The mathematical modeling and the computational simulation of a process furnace for thermal conversion of heavy oil fractions is developed in this work. Kinetics of conversion reactions is from Sugaya (1993). It is based in a first order irreversible reaction with 9 lumps and 24 pseudocomponents. The 24 pseudocomponents are characterized and their properties
Publicado em: 2008
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6. Estudo para o uso de matérias-primas nacionais em misturas de carvões para obtenção de coque com características requeridas em altos-fornos de alta produtividade
This study has the objective of exploring the possibility of utilizing alternative raw materials available in the country in the coal blends with high quality coals for producing high quality coke for the blast furnaces of Gerdau Acominas, Ouro Branco, Brasil.Characterization of the constituents of the blends (Low grade coal from Santa Catarina, Petroleum co
Publicado em: 2007
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7. Estudo da remoção de nitrogênio via nitrito e via nitrato em sistemas de lodo ativado alimentados por despejo com elevada concentração de fenol. / Study of nitrogen removal via nitrite and via nitrate in activated sludge systems fed by wastewater with high phenol concentration.
Wastewaters containing high phenol and ammonium concentrations present a great pollutant potential to the environment. An example of this kind of effluent is the discharge of coke-plants, which presents, quantitatively, the phenols as the main organic compound. Inorganic compounds are also present in these wastewaters and are mainly cyanide, thiocyanate, sul
Publicado em: 2007
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8. Tecnored process - high potential in using different kinds of solid fuels
One important feature of the Brazilian Tecnored ironmaking process is its flexibility to use different types of solid fuels, other than metallurgical coke, as proved in the pilot plant tests by extensively using green petroleum coke, biomasses, high ash cokes, etc. Even if new solid fuels not thus far used are envisaged for a given project, thru the bench sc
Materials Research. Publicado em: 2005-12
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9. Considerações ambientais em termoeconomia : um estudo de caso
A thermodynamic analysis was carried out for a coke dry quenching (CDQ) unit of Brazilian iron &steel making plant. By means of the exergetic analysis it is stressed that the dry process is more adequate regarding energy consumption and impact on the environment than the wet (CWQ). Manufacturer data were used and expressions were developed to estimate the ge
Publicado em: 1994
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10. Estudo parametrico da purificação de monoxido de carbono : processo rectisol
This work consists in a simulation of a Carbon Monoxide (CO) Plant, which is produced by petrol coke and oxygen, and it is cleaned throgh the metanol at low temperatura under high pressure (Rectisol Process). The simulation of CO Plant is made with the support of a process simulator. The selection of property method, the prediction about efficiency column, a
Publicado em: 1992
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11. Mortality of coke plant workers in The Netherlands.
During the production of coke, large quantities of coke oven gas are emitted. People who work on the top or on the sides of coke ovens are exposed to this oven gas, which contains a range of carcinogenic chemicals. To investigate the cancer risks under these work conditions, a retrospective study was undertaken. In total 11,399 former workers were enrolled i
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12. Evaluation of biomarkers in plasma, blood, and urine samples from coke oven workers: significance of exposure to polycyclic aromatic hydrocarbons.
OBJECTIVE--The aim was to assess the significance of two biomarkers; antibody to benzo(a)pyrene DNA adducts and concentration of hydroxyethylvaline haemoglobin adducts in samples from a well studied group of coke oven workers. As a measure of exposure we have used 1-hydroxypyrene in urine. METHODS--Urine and blood samples were collected from coke oven worker