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Bioadditives synthesis from selective glycerol esterification over acidic ion exchange resin as catalyst
(Elsevier Ltd, 2018-04)
In this work, fuel bioadditives production from glycerol esterification with acetic acid was performed over acidic ion exchange resin as acid catalyst in a batch reactor. The influence of several parameters such as ...
Ion Exchange Equilibrium Prediction for the System Cu2+-Zn2+-Na+
(Amer Chemical SocWashingtonEUA, 2010)
New analytical procedure based on a cellulose bag and ionic exchanger with p-aminobenzoic acid groups for differentiation of labile and inert metal species in aquatic systems
(Springer, 2006-12-01)
A new procedure was developed for the in situ characterization of the lability of metal species in aquatic systems by using a system equipped with a diffusion membrane and cellulose organomodified with p-aminobenzoic acid ...
Abrandamento de águas via troca iônica
(Universidade Federal do Rio Grande do NorteBrasilUFRNEngenharia Química, 2017-06-06)
The main objective of this thesis is to reduce the concentration of Ca + ions in tap water
from an industrial unit located in Malaga, Australia. For this, the filtration method was
used in conjunction with the ion exchange ...
Produção de vinho fino enriquecido em resveratrol
(Universidade Federal de Santa MariaBrasilUFSMCentro de Tecnologia, 2022-08-02)
Wine is a drink known since antiquity and widespread in various countries and cultures. One of the advantages of wine consumption refers to its composition where a substance called resveratrol is present, which has antioxidant ...
Uso da tecnologia de troca iônica no tratamento de águas contaminadas com Nitrato do Aqüífero Dunas-Barreiras, Natal/RN-Brasil
(Universidade Federal do Rio Grande do NorteBRUFRNPrograma de Pós-Graduação em Engenharia QuímicaPesquisa e Desenvolvimento de Tecnologias Regionais, 2008-07-21)
The city of Natal comprises an area of about 170 km² (65,63 squares miles). The Dunas-Barreiras Aquifer is the most important reservoir of the coastal basin of RN. It is being responsible for the water supplying of about ...
Direct and indirect effects of climate on decomposition in native ecosystems from central Argentina
(Wiley Blackwell Publishing, Inc, 2007-11)
Climate affects litter decomposition directly through temperature and moisture, determining the ecosystem potential decomposition, and indirectly through its effect on plant community composition and litter quality, ...