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[Pre-treatment of waste water in the food industries]
1988
Vidon, J.P. (Societe Francaise d'Amenagement de l'Environnement, Boulogne-Billancourt (France)) | Hoizey, D.
Waste water in the food industry: a review of procedure and practice
1997
Amos, P.W. (Engineering and Mechanisation Department, SAC Auchincruive, Ayr KA6 5HW (United Kingdom))
Water analysis. Determination of fats in waste waters from food processing industries. Gravimetric method
1994
[Impact of food and agricultural industries effluents in water quality: qualitative and quantitative aspects]
1992
Lejealle, D. (Agence de l'Eau Seine Normandie, Nanterre (France))
A feasibility study on green biorefinery of high lignin content agro-food industry waste through supercritical water treatment Texte intégral
2021
Adamovic, Tijana | Tarasov, Dmitry | Demirkaya, Emre | Balakshin, Mikhail | Cocero, Maria José
This work discusses hydrolysis of defatted grape in supercritical water (SCW) at 380 °C and 260 bar from 0.18 s to 1 s focusing attention to sugars recovery in the liquid phase of the product and detailed characterization of remaining solid phase enriched in polyaromatics (e.g. lignin, flavonoids, etc.). After the longest reaction time of 1 s, 56% of carbohydrates could be recovered in the liquid phase, as a result of carbohydrate hydrolysis. The high content of insoluble lignin in biomass (36%), acts as a mass transfer limitation and presents an important feature in the hydrolysis process, slowing down the conversion of carbohydrate fraction, as after the maximum time of 1s, 10% of carbohydrates still remained in the solid phase. Milled wood lignin, extracted from biomass and dioxane extract from the solid phase were characterized in order to understand the main structural changes during the SCW hydrolysis process. Dioxane (80%) extraction of solids produces a very complex mixture of lipophilic extractives, flavonoids and lignin with a certain amount of chemically linked carbohydrates. 2D NMR analysis of dioxane extract shows remarkably subtle changes in the amounts of main lignin moieties (β-O-4′, β-β’ (resinol) and β-5 (phenylcoumaran)). This subtle change of the main lignin structures is an important feature in the further valorisation of this sulfur-free lignin residue.
Afficher plus [+] Moins [-][Innovative concept of wastewater treatment in Colebega, Valencia [Spain]. An efficient process to wastewater purification in beverage and food industries] | Concepto innovador en el tratamiento de aguas residuales en Colebega, Valencia. Un proceso eficiente para la depuraci=n de agua residual en las industrias de bebidas y alimentarias
2001
JSger, T.
Concepto innovador en el tratamiento de aguas residuales en Colebega, Valencia. Un proceso eficiente para la depuracion de agua residual en las industrias de bebidas y alimentarias.
2001
Jager T.
