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1. A pycnometric method to estimate the porosity of hydrophobic hollow fiber membranes

Author

Pedro Arana-Agudelo, Ioan-Cristian Trelea, Kevin Lachin, Violaine Athès, and Marwen Moussa

Subjects
Pycnometric porosity, Science
Abstract

The porosity of hollow fiber membranes is an important property in the design of processes implementing membrane contactors as it is directly related to the effective surface available for mass transfer. Nevertheless, measuring the porosity requires most of the time complex experimental setup and some of the existing methods are questionable when applied to polymeric membrane materials. In this work, we adapted a method originally proposed to estimate the porosity of flat membranes, in order to estimate the porosity of hollow fiber membranes. • Some hydrophobic hollow fibers are put in contact with a non-wetting solvent inside a pycnometer. The mass of the system is measured. • The process is repeated using a wetting solvent. • The porosity is deduced from the difference between the weighing data.

Published
2024
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2. Contributors

Author

Titilayo Adenike Ajayeoba, Maria Alexandri, Dimitra Alimpoumpa, Monique Ferrary Américo, Pedro Arana-Agudelo, Violaine Athès, Surabhi Awasthi, Vasco Ariston de Carvalho Azevedo, Fernanda Alvarenga Lima Barroso, Catherine Béal, Sudhanshu S. Behera, Rémy Cachon, Gabriela Munis Campos, Rodrigo Dias de Oliveira Carvalho, Diarra Compaoré-Sérémé, Tales Fernando da Silva, Luís Cláudio Lima de Jesus, Gargi Dey, Montet Didier, Marcellin Koffi Djè, Wafaa Donia, Tahmineh Farel, Lucas Jorge da Silva Fernandes, Andria dos Santos Freitas, Rafael de Assis Gloria, Reena Gupta, Mohammad Towsif Hossain, Oluwatosin Ademola Ijabadeniyi, Vasiliki Kachrimanidou, Ankush Kerketta, Nikolaos Kopsahelis, Amenan Clémentine Kouakou-Kouamé, Juliana Guimarães Laguna, Iliada K. Lappa, Gaytri Mahajan, Justine Maïworé, Elsaadani Moez, Didier Montet, Marwen Moussa, Florent Kouadio N’guessan, Jean-Justin Essia Ngang, Omotola Folake Olagunju, Tarak C. Panda, Aikaterini Papadaki, Spiros Paramithiotis, Vishwas Patel, Chrysanthi Pateraki, Katarzyna Polanowska, Ramesh C. Ray, Joana L. Rodrigues, Lígia R. Rodrigues, Tarek Sahar, Serge Samandoulougou, Túlio Marcos Santos, Hagrétou Sawadogo-Lingani, Neha Sharma, Vibhuti Sharma, Arumugam Sundaramanickam, Fidèle Wend-Bénédo Tapsoba, and Larissa Yacine Waré

Published
2023
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4. List of Contributors

Author

Samuel Chetachukwu Adegoke, Carlos Álvarez, Christa Aoude, Violaine Athès-Dutour, Giulia Baldi, Francisco J. Barba, Nastasia Belc, Lorenzo Bertin, Chiranjib Bhattacharjee, Sangita Bhattacharjee, Silvia Alvarez Blanco, Hoe Boon Chin, Mladen Brnčić, Camelia Bucatariu, Anda-Gratiela Burnete, María de la Luz Cádiz-Gurrea, Débora A. Campos, Alfredo Cassano, Luminita Catana, Monica Catana, Sudip Chakraborty, Smain Chemat, Ooi Chien Wei, Alina Culetu, P.J. Cullen, Patrick J. Cullen, Isabel C.N. Debien, Maria Dolores del Castillo, Cristina Delerue-Matos, Qian Deng, Stella Despoudi, Beatriz Díaz-Reinoso, Carla Daniela Di Mattia, D.A. Dimitrov, Herminia Domínguez, Denisa Eglantina Duta, Elena Falqué, Milad Fathi, S. Fayaz, Federica Flamminii, Dario Frascari, Charis M. Galanakis, Francesca Gallotti, C. García-Viguera, Lia Noemi Gerschenson, Adem Gharsallaoui, Rodrigo Gonzalez-Ortega, Nabil Grimi, Tamara Dapčević Hadnađev, Ching Lik Hii, Henry Jaeger, Seid Mahdi Jafari, Paula Jauregi, Canan Kartal, Attila Kovács, Vera Lavelli, Alexandra-Monica Lazar, P. Lema, M.D. López, Abid Aslam Maan, Dimitris P. Makris, H.A. Makroo, Ioanna Mandala, Nuria Martinez-Saez, Dino Mastrocola, Inmaculada Mateos-Aparicio, M. Angela A. Meireles, N.N. Misra, Vassiliki S. Mitropoulou, D.A. Moreno, Andrés Moure, Marwen Moussa, Anne Maria Mullen, Jayesree Nagarajan, F. Naqash, Arijit Nath, Akmal Nazir, Chien Wei Ooi, Semih Otles, I.N. Panchev, Maria Papageorgiou, E. Paulsen, Davide Pedrali, Maria Angela Perito, Massimiliano Petracci, Diana Pinto, Paola Pittia, Milica Pojić, Juliana M. Prado, Krishnamurthy Nagendra Prasad, Eduardo Puértolas, Francisca Rodrigues, Francisco Amador Riera Rodriguez, M.E. Romero, Julia Schmidt, Muhammad Nouman Shaukat, Ana Margarida Silva, Francesca Soglia, Isabelle Souchon, H.B. Sowbhagya, Giorgia Spigno, Reza Tahergorabi, Renata Vardanega, Hiroshi Yoshida, and Rui Zhang

Published
2021
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5. Emerging extraction

Author

Eduardo Puértolas, Débora A. Campos, Violaine Athès-Dutour, Marwen Moussa, Isabelle Souchon, Jayesree Nagarajan, Ooi Chien Wei, Francisco J. Barba, Mladen Brnčić, I.N. Panchev, D.A. Dimitrov, and Violaine Athés-Dutour

Subjects
Ultrasound-assisted extraction, High-voltage electrical discharge, Solvent-induced complexation, Emerging membrane extraction, Laser ablation, Pulsed electric field
Abstract

The recovery of valuable compounds from food wastes and by-products kills two birds with one stone and addresses both the use of by-products and societal health care. Traditional extraction methods include usually high-temperature treatment (more than 100°C) with the subsequent risk of thermal denaturation or transformation of the target molecules. Moreover, these techniques are very time-consuming and require relatively large quantities of solvents. On the other hand, the use of environment-friendly technologies has led researchers and the food industry to develop new alternative processes that can extract valuable compounds from different sources and food wastes of different origins. This chapter describes the potential use of emerging technologies such as ultrasound-assisted extraction, laser ablation, pulsed electric fields, high-voltage electrical discharge, membrane-assisted extraction, and solvent-induced complexation. The latest methodologies comply with the concepts of green chemistry and sustainability.

Published
2021
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6. List of Contributors

Author

Carlos Alvarez, Violaine Athès-Dutour, Francisco J. Barba, Lorenzo Bertin, Chiranjib Bhattacharjee, Sangita Bhattacharjee, Silvia Alvarez Blanco, Mladen Brnčić, Camelia Bucatariu, Alfredo Cassano, Sudip Chakraborty, Smain Chemat, Patrick J. Cullen, Isabel C.N. Debien, Maria Dolores del Castillo, Qian Deng, Stella Despoudi, Dimitar Angelov Dimitrov, Herminia Domínguez, Elena Falqué, Milad Fathi, Dario Frascari, Charis M. Galanakis, Lia Noemi Gerschenson, Adem Gharsallaoui, Tamara Dapčević Hadnadev, Ching Lik Hii, Henry Jaeger, Seid Mahdi Jafari, Paula Jauregi, Canan Kartal, Attila Kovács, Dimitris P. Makris, Ioanna Mandala, Nuria Martinez-Saez, Maria Angela de Almeida Meireles, N.N. Misra, Vassiliki S. Mitropoulou, Marwen Moussa, Anne Maria Mullen, Arijit Nath, Semih Otles, Ivan Nedelchev Panchev, Maria Papageorgiou, Paola Pittia, Milica Pojić, Juliana M. Prado, Krishnamurthy Nagendra Prasad, Eduardo Puértolas, Francisco Amador Riera Rodriguez, Julia Schmidt, Isabelle Souchon, Halagur Bogegowda Sowbhagya, Giorgia Spigno, Reza Tahergorabi, Renata Vardanega, Ooi Chien Wei, and Hiroshi Yoshida

Published
2015
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