Zobrazeno 1 - 10
of 323
pro vyhledávání: '"M.G.A. Vieira"'
Autor:
J.M.M. Vidart, E.D. Freitas, M. Nakashima, R.D.J. Santos, P.C.P. Rosa, M.L. Gimenes, M.G.C. Silva, M.G.A. Vieira
Publikováno v:
Chemical Engineering Transactions, Vol 57 (2017)
Sericin is a water-soluble globular protein present in the silkworm cocoons (Bombyx mori), usually discharged in the wastewater of degumming process. Sodium alginate is a natural polysaccharide extracted from brown seaweed that has an abundant use in
Externí odkaz:
https://doaj.org/article/532fee9f6b3b402288244fd001fdc9c4
Publikováno v:
Chemical Engineering Transactions, Vol 57 (2017)
Layered clays have been used as reinforcement in polymer nanocomposites by having a structure of silicate layers, cation exchange capacity, organically modified and have high aspect ratios. The aspect ratio of these layers is defined by (ratio diamet
Externí odkaz:
https://doaj.org/article/348ea6f930064bdfa29bcd24dcdf9117
Publikováno v:
Chemical Engineering Transactions, Vol 57 (2017)
This study focuses on the removal of Cu2+ ions present in low concentration in aqueous solutions using residue of alginate extraction as bioadsorbent from the brown seaweed Sargassum filipendula. Bioadsorption kinetic experiments were carried out at
Externí odkaz:
https://doaj.org/article/3142d8711474409ca4a4f89e0186a5d4
Publikováno v:
Chemical Engineering Transactions, Vol 57 (2017)
The aim of this study is to investigate the influence of operating flow rate in fixed bed adsorption of benzene, present in low concentration in aqueous solution, on particles of commercial organoclay. The fixed bed has 6.5 cm in height and 0.65 cm i
Externí odkaz:
https://doaj.org/article/381b2893a0bf4a33b6dbce9b910ec6f1
Autor:
T. Nunes Soeiro, E. Dantas De Freitas, G. Simon Maia, A. Barbosa Santos, M.G.A. Vieira, R. Guirardello
Publikováno v:
Chemical Engineering Transactions, Vol 57 (2017)
Industrial activities are responsible for the increasing environmental degradation through unsustainable consumption of natural resources and the improper disposal of various wastes. In Brazil, of all generated wastes, effluents containing heavy meta
Externí odkaz:
https://doaj.org/article/e8f14053000d49be8228c490e10529c7
Publikováno v:
Chemical Engineering Transactions, Vol 57 (2017)
Pharmaceuticals, with veterinary and human usage, have continuously been launched into the environment and their presence has been frequently detected in water bodies. The inefficacy of conventional water treatment processes for the removal of drugs,
Externí odkaz:
https://doaj.org/article/a639d788c2a34bf69e00790367947230
Publikováno v:
Chemical Engineering Transactions, Vol 57 (2017)
The objective of this work was to evaluate the quality of the water from the lake of the Francesa in the city of Parintins/AM, taking into account the hydrological regime of the Amazon region. The study was based on analysis of the physiochemical par
Externí odkaz:
https://doaj.org/article/619a41a72fdb475297a42b3e8501f2b4
Publikováno v:
Chemical Engineering Transactions, Vol 56 (2017)
The characterisation of printed circuit boards (PCB) removed from discarded mobile phones in Brazil and an inventory of data of the components in PCB were accomplished in this paper. Data of chemical composition of PCB were obtained from the physicoc
Externí odkaz:
https://doaj.org/article/1526e3d6b5984160a1dab8650fb1c835
Publikováno v:
Chemical Engineering Transactions, Vol 56 (2017)
Biosorbents have been used as a potential alternative to the conventional technologies for removal of toxic metals from water and wastewater. The use of waste material as adsorbent offers significant advantages like low-cost, availability, efficiency
Externí odkaz:
https://doaj.org/article/422658f574a7411da313a77158d869cd
Publikováno v:
Chemical Engineering Transactions, Vol 56 (2017)
Cadmium is a pollutant widely found in industrial effluents and its toxicity affects the ecosystem and presents human health risk. The adsorption can be used to remove toxic metals in dilute solutions. Industrial waste, such as sericin, can efficient
Externí odkaz:
https://doaj.org/article/8997733612c7497688ef5f8a6affc7a6