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Itens para a visualização no momento 21-25 of 25
Avaliação de modificações pós-síntese em zeólita ZSM-5 comercial aplicada na esterificação de ácido oleico com acetato de metila
(Universidade Federal de Santa Maria, 2019-11-25)
Zeolites are considered the most important catalysts in industry due to their unique properties. Among these materials, ZSM-5 highlights because of its stability and versatility, presenting a wide range of applications. ...
Sorbitec® planta de produção de sorbitol com foco na indústria farmacêutica
(Universidade Federal de Santa Maria, 2019-12-05)
Sorbitol is a sweet, odorless, non-carcinogenic, flavored polyalcohol in the form of a white crystalline powder with a molecular weight of 182.17 g/mol, with 60% sweetness compared to sucrose. It is present in many types ...
Vinocorp produção de ácido tartárico e antocianina a partir da borra da vinificação
(Universidade Federal de Santa Maria, 2019-12-06)
This project aimed to perform a technical and economic viability analysis of implanting an anthocyanin (99% purity) and tartaric acid (99% purity) production industry, using as raw material the wine lees generated from ...
Preparação de ferro metálico suportado em polietileno para uso como catalisador flutuante na reação foto-fenton
(Universidade Federal de Santa Maria, 2019-03-25)
In the present paper, zero-valent iron particles were supported on low density polyethylene. The material produced was used as a buoyant catalyst in the removal of the Ponceau 4R azo dye from an aqueous solution via ...
Síntese de uma espuma composta de poliuretano/quitosana para adsorção do corante vermelho n° 40 em batelada e leito fixo
(Universidade Federal de Santa Maria, 2019-02-18)
Polyurethane foams (PU) may be used as the immobilization matrix for chitosan, in order to overcome/minimize the disadvantages with respect to chitosan as an adsorbent. However, the polyurethane and chitosan foams synthesized ...