Artigos científicos, teses e dissertações
Publicados nas melhores instituições de ensino

Environmental evaluation systems in the pulp and paper industry / Sistemas de avaliação ambiental na indústria de celulose e papel

Evaluation of environmental impacts is an important issue nowadays, especially in industry. There is an increase concern by modern society in relation to the industry environmental and social impacts, which reflect on the product market. People prefer environmentally sound produc...

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Disclosure ambiental: uma análise do conteúdo dos relatórios ambientais de empresas do setor de papel e celulose em nível internacional / Environmental disclosure: an analysis of the content of the companies´environmental reports of the pulp and paper industry in international level

Analysis of the content of the companies environmental reports of the pulp and paper industry in international level. The objective of this research is to investigate, based on the annual and environmental reports currently practiced, how the environmental information disclosure ...

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Padrão de financiamento da indústria de papel e celulose no Brasil nos anos 1990

This work analyzes financing patterns of paper and pulp industry in Brazil in the 1990s, trying to identify any shifts in those patterns, occurred since economic liberalization, remembering that this work considered liberalization process in Brazil as starting in 1990. The backgr...

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A mortality study of Finnish pulp and paper workers.

Mortality among workers in the Finnish pulp and paper industry was evaluated in a retrospective cohort study of 3520 workers who had been employed continuously for at least one year between 1945 and 1961. Six subcohorts were formed according to six work areas: sulphite, sulphate,...

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Fatores relacionados à eficiência do planejamento da manutenção de indústrias de celulose

The pursuit of competitiveness in the current scenario of the pulp industries is a major challenge for companies. Join the efficiency in the process of implementation of forests, silviculture, harvesting, wood logisticsand pulp cellulose logistics results in a complex matrix in i...

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Rietveld and Impedance Analysis of Cold and Hot Rolled Duplex and Lean Duplex Steels for Application in Paper and Pulp Industry

In this study, X-Ray Diffraction (XRD) and Rietveld Refinement were performed to identify and quantify the ferrite and austenite phase of cold and hot rolled duplex stainless steels (UNS S31803) and lean duplex stainless steels (UNS S32304). Electrochemical impedance spectroscopy...

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Modeling, simulation, and analysis of a reactor system for the generation of white liquor of a pulp and paper industry

An industrial system for the production of white liquor of a pulp and paper industry, Klabin Paraná Papéis, formed by ten reactors was modeled, simulated, and analyzed. The developed model considered possible water losses by the evaporation and reaction, in addition to variations...

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Utilização de rejeito fibroso industrial da polpação kraft de eucalipto para produção de papéis / Utilization of industrial eucalyptus kraft pulping fibrous residue for paper production

Searching for alternatives to optimize the use of forest resources, this work was developed to provide new forms of utilizing residue from the screening sector of the eucalyptus Kraft pulping industry. For residue recovery, mechanical systems were used to eliminate and disintegra...

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Medical, psychological, and social factors associated with back abnormalities and self reported back pain: a cross sectional study of male employees in a Swedish pulp and paper industry.

A medical, psychological, and sociological study of 391 male employees in a Swedish pulp and paper industry was performed in 1961. Factors associated with back pain and back abnormality were investigated. Univariate analyses showed associations of back pain with occupational stat...

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Characterizing the Chemical Composition of Lipophilic Extracts from Acacia mearnsii Wood

The chemical composition of Acacia mearnsii wood extract is described in this paper for the first time. This wood is cultivated in Brazil and has been used to complement the demand for hardwood in the pulp industry. In this study, we performed extractions with acetone (total extr...

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Trajetórias De Acumulação De Capacidades Inovadoras, Mecanismos De Aprendizagem E Fatores Organizacionais Relativos A Atividades Em Gestão De Projetos: Estudo De Caso Comparativo Inter-Empresarial Na Indústria De Bens De Capital E De Celulose E Papel No Brasil

Over the last 40 years there has been a profusion of studies about the ccumulation of technological capacities in firms from developing economies. However, there remain few studies that examine, on a combined basis, the relationship among: the trajectories of technological capac...

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O impacto das medidas técnicas sobre as exportações brasileiras de papel e celulose.

The aim of this study is to assess the potential effects of technical measures belong to the WTO TBT agreement on exports of Brazilian pulp and paper industry. The choice of this segment was due to the same consist of a major component of national export agenda, being susceptible...

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Study for use the wastes of the paper manufacture in the road construction / Estudo para a utilização de resíduo da fabricação de papel na construção rodoviária

The paper and pulp industry represent one of the most expressive industrial sector around the world, being of great importance to the world economy. In South America, because of the wide forest resources, Brazil and Chile are the largest pulp-producing. Brazil produces around 6 m...

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Analysis of costs of competitors: exploration study in pulp and paper industry / Análise de custos de concorrentes: estudo exploratório no setor de celulose e papel

The present study aimed to show the possibility of built a Competitors Cost Analysis through Financial Reporting. This work explored, in a study between four companies of Pulp and Paper Sector, in Brazil, the possibility of Financial Reporting usage as a tool for Competitors Cost...

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THE FUNGAL ABILITY FOR BIOBLEACHING/BIOPULPING/BIOREMEDIATION OF LIGNIN-LIKE COMPOUNDS OF AGRO-INDUSTRIAL RAW MATERIAL

Lignin is present in plant cell secondary wall, associated to carbohydrates preventing their efficient hydrolysis, and cellulose pulp manufacture basically consists in breaking down the middle lamella of plant cells, individualizing fibers such as cellulose from the other biopoly...

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Inovação tecnologica e demandas ambientais : notas sobre o caso da industria brasileira de papel e celulose

This work contributes to the comprehension of how environmental issues are incorporated by innovative and technological capability strategies, by means of a study of the pulp and paper Brazilian industry. In this sense, we discuss the perception by the economic agents about envir...

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Influência do valor da madeira de mercado sobre o ordenamento de florestas plantadas para o suprimento parcial de uma indústria de celulose e papel: uma aplicação da programação linear. / Influence of the market wood value on the management of planted forests partially supplying a pulp mill: an application of linear programming.

Generally, the Brazilian pulp industry wood supply is largely provided by planted forests owned by the companies and wood purchased in the market. Long term planning programs usually address the two supplying sources – fee forests and market wood -separately. The main objective o...

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Análise de investimento de capital na indústria brasileira de papel e celulose por meio da teoria das opções reais: o caso da Fibria Celulose S.A.

Dissertação (mestrado) - Pontifícia Universidade Católica. Departamento de Engenharia Industrial, Rio de Janeiro, 2014....

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Aplicação das tecnicas de redes neurais e de analise de componentes principais na modelagem de uma lagoa aerada da RIPASA S/A

In recent years, computer-based methods have been applied to many areas of environmental chemistry. In the process industry the use of modern control strategies is required due to increasing demands on the quality of its effluent treatment systems. In this work a wastewater treat...

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Uma visão sobre a estrutura, composição e biodegradação da madeira

Wood is the main raw material used in the pulp and paper industry. It is a material that presents heterogeneous structure and complex composition, which results in a relatively resistant material to the biodegradation process. In the present review, we attempted to summarize the ...

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