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Membrane and Desalination Technologies - TCE Moodle Website

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Treatment of Food Industry Foods <strong>and</strong> Wastes by <strong>Membrane</strong> Filtration 259<br />

Table 6.5<br />

Food processing applications of membrane technology<br />

Dairy<br />

(Pre) Concentration of milk <strong>and</strong> whey prior to evaporation<br />

Bulk transport (RO)<br />

Specialty fluid milk products (2–3X/UHT) (RO)<br />

Partial demineralization <strong>and</strong> concentration of whey (NF)<br />

Fractionation of milk for cheese manufacture (UF)<br />

Fractionation of whey for whey protein concentrates (UF)<br />

Specialty fluid milk products (UF)<br />

Clarification of cheese whey (MF)<br />

Defatting <strong>and</strong> reducing microbial load of milk (MF)<br />

Demineralization of milk <strong>and</strong> whey (ED)<br />

Fruits <strong>and</strong> vegetables<br />

Juices Apple (UF, RO), apricot, citrus (MF/UF, RO, ED), cranberry, grape<br />

(UF, RO), kiwi, peach (UF, RO), pear, pineapple (MF/UF, RO), tomato (RO)<br />

Pigments Anthocyanins, betanins (UF, RO)<br />

Wastewater Apple, pineapple, potato (UF, RO)<br />

Animal products<br />

Gelatin Concentration <strong>and</strong> deashing (UF)<br />

Eggs Concentration <strong>and</strong> reduction of glucose (UF, RO)<br />

By-products Blood, wastewater treatment (UF)<br />

Beverages<br />

Wine, beer, vinegar – clarification (MF/UF)<br />

Low-alcohol beer (RO)<br />

Sugar refining<br />

Beet/cane solutions, maple syrup, c<strong>and</strong>y wastewaters – clarification (MF/UF),<br />

preconcentration (RO) Desalting (ED)<br />

Oilseeds, cereals, legumes<br />

Soybean Protein concentrates <strong>and</strong> isolates (UF)<br />

Protein hydrolyzates (CMR)<br />

Oil degumming <strong>and</strong> refining (UF, NF)<br />

Recovery of soy whey proteins (UF, RO)<br />

Wastewater treatment (UF, MF, MBR)<br />

Corn Steepwater concentration (RO)<br />

Light-middlings treatment: water recycle (RO)<br />

Saccharification of liquefied starch (CMR)<br />

Purification of dextrose streams (MF/UF)<br />

Fermentation of glucose to ethanol (CMR)<br />

Downstream processing (MF, UF, NF, RO, ED, PV)<br />

Wastewater treatment (UF, MF, MBR)<br />

Biotechnology<br />

Production of high-quality water (MF, UF, RO, ED)<br />

Downstream processing (MF, UF, RO, ED): cell harvesting, protein fractionation, desalting,<br />

concentration<br />

Bioreactors: enzyme hydrolysis, microbial conversions (MF, UF)<br />

Tissue culture: plant cells, mammalian cells (MF, UF)

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