The problem of brines disposal has raised great interest towards new strategies for their valorisation through the recovery minerals or energy. As an example, spent brine from ion exchange resins regeneration is often discharged into rivers lakes, thus impacting on process sustainability. However, such can be effectively reconcentrated, after removal bivalent cations, and reused regeneration. T...

In this study, Cabernet Sauvignon red wine was subjected to reverse osmosis and nanofiltration processes at four different pressures (25, 35, 45, 55 bar) two temperature regimes (with without cooling). The aim obtain concentrates with a higher content of phenolic compounds antioxidant activity determine the influence membrane types (Alfa Laval RO98pHt M20 for NF nanofiltration) operating condit...

Corn fibre, a co-product of the starch industry, is rich in compounds with high added value, such as ferulic acid and arabinoxylans, which are released during alkaline extraction. This work aims to optimise an efficient separation method for recovery these two from corn fibre extract, allowing valorisation this co-product. Ultrafiltration was selected method, due its potential fractionate compo...

The purification and concentration of orange juice are crucial to remove undesirable materials, such as pectin, which is responsible for clouds; or limonene, bitter taste. Membrane-based clarification preferred due its capability separate specific targeted molecules, while still maintaining the clarified juice’s nutritional content. In this study, a novel designed bench-scale plate-and-frame me...

Olive oil is one excellence of the Italian food industry: around 300 kt yr−1 are produced, creating roughly same amount olive mill wastewater (OMW) to be disposed of. The present work describes a process exploit OMW by converting its organic compounds valuable gaseous biofuel. A sample was characterized (COD, TOC, solids, and polyphenols) submitted membrane filtration tests concentrate compound...

The high-pressure (100-2500 kPa) hydrogen permeance of two membranes, each composed of a thin palladium film (~22 μm) deposited on the oxidized surface of a porous stainless steel tubular substrate (0.2 μm grade support) has been determined over the 623 – 723 K temperature range. The hydrogen flux was proportional to the H2 partial pressure in the retentate raised to an exponent of ~0.55 for on...

saturated fat consumption increases the risk of both coronary and cancer diseases. therefore, fat reduction in uf-feta cheese (≈ 45% fdm) is favorable but, unfortunately, it has some negative effects on the texture and sensory characteristics of the cheese. in this research, response surface methodology was employed to study the probably improving effects of wpc80 (0-20 gr kg-1), lecithin (0-2 ...

Single-pass tangential flow filtration (SPTFF) is used in biopharmaceutical manufacturing to reduce volumes and concentrate products. The staging of multiple membrane cassettes makes it possible achieve high concentration factors one pass, but at the same time increases system’s complexity. This work aims provide comprehensive understanding SPTFF both cassette level equipment by evaluating impa...