Results 41 to 50 of about 50,205 (159)

Uso de resíduo industrial a base de resina fenólica como carga para o polipropileno Use of industrial waste based on phenolic resin as filler for polypropylene

Polímeros, 2012
O objetivo deste estudo foi analisar a viabilidade técnica do uso de resíduo industrial composto de resina fenólica, lignocelulose, carbonato de cálcio, talco, mica e negro de fumo como carga para o polipropileno (PP).
André P. Cavalcante, Leonardo B. Canto
doaj  

Avaliação das alterações bromatológicas e de degradabilidade do resíduo de lixadeira do algodão após tratamento biológico com Pleurotus sajor-caju Nutritional value and degradability alterations of cotton textile mill waste after biological treatment with Pleurotus sajor-caju

Ciência e Agrotecnologia, 2004
Com objetivo de avaliar possibilidades de melhorar o valor nutritivo e a degradabilidade do resíduo de lixadeira do algodão utilizando tratamento biológico de bioconversão com cogumelo Pleurotus sajor-caju, conduziu-se este experimento nos Departamentos ...
Ana Luisa Aguiar de Castro, Paulo César de Aguiar Paiva, Eustáquio Souza Dias, Juliana dos Santos   +3 more
doaj   +1 more source

Compression‐Expansion: Miniaturization, Modularity, and Logistics Beyond Earth

American Anthropologist, Volume 127, Issue 3, Page 424-434, September 2025.
ABSTRACT If the Cold War space race culminated in a return to Earth, at present we are experiencing a renewed interest in space. Drawing on fieldwork among people working in the space sector in Sweden, this article focuses on some of the imaginaries underpinning this resurgence and the contemporary commercialization of space. Specifically, I hone in on
Chakad Ojani
wiley   +1 more source

Assessment of industrial wastes in mortar layers deposited on stainless steel sheets of sinks Avaliação de resíduos industriais em camadas de argamassas depositadas sobre chapas de aço inoxidável de pias

Cerâmica, 2004
This work deals with the properties of alternative mortars destined to strengthen metal sheets of sinks. The performance of these mortars was compared to that of a basic mortar made of cement, sand, and water, named standard mortar (SM).
E. Gemelli, S. Lourenci, M. V. Folgueras, N. H. Almeida Camargo   +3 more
doaj   +1 more source

Borrachas naturais brasileiras II. Borrachas fracas; borrachas de H. benthamiana e H. guianensis. [PDF]

, 2012
bitstream/item/59516/1/Miscelanea-7 ...
MELO, C. F. M. de, WISNIEWSKI, A.
core   +1 more source

Growth of Carbon Nanotubes on Co(x)‐Ni(1‐x) Ferrites by Chemical Vapor Deposition and Performance on Catalytic Wet Peroxide Oxidation

ChemCatChem, Volume 17, Issue 16, August 18, 2025.
This study presents a sustainable approach for synthesizing carbon nanotubes (CNTs) via chemical vapor deposition (CVD) using polyolefins as model plastic waste as the carbon source and Ni─Co ferrite catalysts. The CNTs were applied in catalytic wet peroxide oxidation (CWPO) to degrade bisphenol A (BPA) and sulfamethoxazole (SMX), achieving efficient ...
Adriano S. Silva, Fernanda F. Roman, Jose L. de Diaz de Tuesta, Lola G. Olias, Ihsan Çaha, Ana P. Ferreira, Renata P. de Souza, Francis Leonard Deepak, Ana I. Pereira, Adrián M. T. Silva, Helder T. Gomes   +10 more
wiley   +1 more source

Waste pickers in extended producer responsibility policies: A comparative analysis of Brazil and the European Union

Review of European, Comparative &International Environmental Law, Volume 34, Issue 2, Page 352-364, July 2025.
Abstract This article presents a case study of extended producer responsibility (EPR) policies adopted by the European Union (EU) and Brazil. It focuses on waste pickers—a group increasingly visible in EU countries such as Spain and Italy. While EU directives emphasise the polluter pays principle, little attention is given to the role of informal ...
Leila Giovana Izidoro, Ana Flávia Trevizan   +1 more
wiley   +1 more source

Silagem de capim-elefante (Pennisetum purpureum, Schum) com e sem acipin, associada a duas fontes protéicas na alimentação de bovinos em confinamento Elephantgrass (Pennisetum purpureum, Schum) silage with and without acipin, associated with two protein sources for cattle fed under feedlot

Revista Brasileira de Zootecnia, 2004
O trabalho foi realizado com os objetivos de avaliar o consumo, a conversão alimentar e o ganho de peso de bovinos em confinamento, alimentados com silagem de capim-elefante (Penisetum purpereum, Schum.) com e sem acipin, associada ao farelo de soja e à ...
Hernan Maldonado, José Fernando Coelho da Silva, Sirlei Aparecida Maestá, Cláudio Teixeira Lombardi   +3 more
doaj   +1 more source

O bagaço da cana-de-açúcar em combinação com folhas caulinares de bambu para seu emprego em chapas de partículas [PDF]

, 2010
O desenvolvimento e o progresso industrial beneficiaram a humanidade com muitas facilidades e avanços tecnológicos importantes. Porém, trouxeram consigo conseqüências avassaladoras como os impactos ambientais causados pela exploração indiscriminada de ...
Battistelle, R.A.G., Santos, G.J., Varum, H.   +2 more
core  

Polyolefin and Polystyrene‐Derived Carbon Nanotubes: Catalysts for Oxidative Desulfurization Under a Biphasic System

ChemCatChem, Volume 17, Issue 11, June 6, 2025.
Polyolefins and polystyrene, simulating plastic solid waste (PSW), are transformed into value‐added carbon nanotubes (CNTs) through chemical vapor deposition (CVD). The CNTs are then applied in the oxidative desulfurization (ODS) of dibenzothiophene (DBT) in the oil–water biphasic system, resulting in C─S cleavage, yielding sulfur‐free products ...
Fernanda F. Roman, Maria C. Batista, Adriano S. Silva, Ana Júlia Briganti Bezerra, Jose L. de Diaz de Tuesta, Raquel V. Mambrini, Adrián M. T. Silva, Joaquim L. Faria, Helder T. Gomes   +8 more
wiley   +1 more source