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Recovery of added-value compounds from orange and spinach processing residues: green extraction of phenolic compounds and evaluation of antioxidant activity
(2021-11-11)
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Phenolic compounds recovery by mechanical stirring extraction (MSE) was studied from orange and spinach wastes using water as a solvent. The statistical analysis showed that the highest total polyphenol content (TPC) yield ...
A green approach to phenolic compounds recovery from olive mill and winery wastes
(Elsevier, 2022-08-20)
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Article.
Accés restringit per política de l'editorial
The aim of this study was to evaluate the recovery of phenolic compounds from olive mill and winery wastes by conventional solid-liquid extraction (SLE) using water as the extraction solvent. The studied variables were ...
Recovery of polyphenols from agri-food by-products: the olive Oil and winery industries cases
(2022-02-01)
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The production of olive oil and wine are two of the main agri-food economic activities in Southern Europe. They generate large amounts of solid and liquid wastes (e.g., olive pomace, olive mill wastewater, grape pomace, ...
Integration of nanofiltration and reverse osmosis technologies in polyphenols recovery schemes from winery and olive mill wastes by aqueous-based processing
(Multidisciplinary Digital Publishing Institute (MDPI), 2022-03-01)
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More sustainable waste management in the winery and olive oil industries has become a major challenge. Therefore, waste valorization to obtain value-added products (e.g., polyphenols) is an efficient alternative that ...
Olive mill and winery wastes as viable sources of bioactive compounds: a study on polyphenols recovery
(2020-11-01)
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In this study, the recovery of polyphenols from olive oil mill and winery waste was investigated. The performance of ultrasound assisted extraction (UAE), microwave assisted extraction (MAE), and pressurized liquid extraction ...
Comparison of acid-resistant ceramic and polymeric nanofiltration membranes for acid mine waters treatment
(2020-02-15)
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Acid-resistant ceramic and polymeric nanofiltration (NF) membranes have been identified as relevant materials for sustainable management of acidic streams. NF properties such as a high passage of single-charged ions and ...
Integration of membrane processes for the recovery and separation of polyphenols from winery and olive mill wastes using green solvent-based processing
(Elsevier, 2022-04-01)
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Winery and olive mill industries generate large amounts of wastes causing important environmental problems. The main aim of this work is the evaluation of different membrane separation processes like microfiltration, ...
Removal of nitrate from groundwater by nano-scale zero-valent iron injection pulses in continuous-flow packed soil columns
(Elsevier, 2022-03)
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Injection of zero-valent iron nanoparticles (nZVI) into aquifers has gained increasing attention of researchers for in-situ treatment of NO3--contaminated groundwater. nZVI has proved efficient in chemically reducing NO3- ...
Recovery of natural polyphenols from spinach and orange by-products by pressure-driven membrane processes
(Multidisciplinary Digital Publishing Institute (MDPI), 2022-06-28)
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Spinach and orange by-products are well recognized for their health benefits due to the presence of natural polyphenols with antioxidant activity. Therefore, the demand to produce functional products containing polyphenols ...
Impact of sidestream pre-treatment on ammonia recovery by membrane contactors: experimental and economic evaluation
(Multidisciplinary Digital Publishing Institute (MDPI), 2022-12-01)
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Membrane contactor is a promising technology for ammonia recovery from the anaerobic digestion centrate. However, high suspended solids and dissolved organic matter concentrations can reduce the effectiveness of the ...