Filtration operation

3 Dezembro 2025, 10:30 • Sofia Cristina Gomes Catarino

Filtration: frontal and cross-flow filtration; mechanisms of filtration; filtration tests; products used in filtration, types of filters. Filtration through diatomaceous earths, cellulose-based filter sheets, and membranes.

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Study visit

26 Novembro 2025, 14:00 • Sofia Cristina Gomes Catarino

3 days study visit to different Portuguese wine regions and wineries

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Study Visit

26 Novembro 2025, 10:30 • Sofia Cristina Gomes Catarino

3 days study visit to different Portuguese wine regions and wineries

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Application of stability tests on the wines under students' responsibility

19 Novembro 2025, 14:00 • Sofia Cristina Gomes Catarino

Application of stability tests on the wines under students' responsibility: tartrate stability, protein stability, pinking and browning potential. Discussion of the results.

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Main colloidal instabilities in wine

19 Novembro 2025, 10:30 • Sofia Cristina Gomes Catarino

Main colloidal instabilities in wine: protein turbidity, colouring matter instability; pinking, metallic hazes (copper and iron cases). Stability tests. Stabilization treatments. Wine treatment with bentonite. Arabic gum.

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