A demineralised whey powder is suggested which is obtainable by: (a) Separating raw milk, removing the cream; (b) Subjecting the skimmed milk such obtained to microfiltration or microdiafiltration, obtaining a whey protein-rich permeate P1 and a retentate R1 containing casein and GMP in the process; (c) Subjecting the permeate P1 to column chromatography separation, in which the lactoferrin contained therein remains on the column; (d) Subjecting the permeate, from which lactoferrin had been removed, to dialysis; and (e) Dehydrating the diluate such obtained.

A process for the coupled production of sweet whey and lactic acid from acid whey is suggested, comprising the following steps: (a) providing acid whey having a lactic acid content of about 0.1 to about 1% by weight; (b) nanofiltration of the acid whey, obtaining a first permeate P1 and a first retentate R1; (c) optionally, redilution of the first retentate R1 with water to reconstitute the initial dry matter content, and preparation of the second nanofiltration step; (d) nanofiltration or nano-diafiltration of the retentate R1, obtaining a second permeate P2 and sweet whey as a second retentate R2; (e) combining the two permeates P1 and P2 and subjecting the mixture to reverse osmosis, obtaining a third permeate P3 which, substantially, only contains water, and a concentrate of lactic acid as a third retentate R3.

A process for the coupled production of sweet whey and lactic acid from acid whey is suggested, comprising the following steps: (a) providing acid whey having a lactic acid content of about 0.1 to about 1% by weight; (b) nanofiltration of the acid whey, obtaining a first permeate P1 and a first retentate R1; (c) optionally, redilution of the first retentate R1 with water to reconstitute the initial dry matter content, and preparation of the second nanofiltration step; (d) nanofiltration or nano-diafiltration of the retentate R1, obtaining a second permeate P2 and sweet whey as a second retentate R2; (e) combining the two permeates P1 and P2 and subjecting the mixture to reverse osmosis, obtaining a third permeate P3 which, substantially, only contains water, and a concentrate of lactic acid as a third retentate R3.

An aqueous modified acid composition for industrial activities, said composition comprising: an alkanolamine and strong acid in a molar ratio of not less than 1:15, preferably not less than 1:10; it can also further comprise a metal iodide or iodate. Said composition demonstrates advantages over known conventional acids and modified acids.

An aqueous modified acid composition for industrial activities, said composition comprising: an alkanolamine and strong acid in a molar ratio of not less than 1:15, preferably not less than 1:10; it can also further comprise a metal iodide or iodate. Said composition demonstrates advantages over known conventional acids and modified acids.

A spray drying process and apparatus for drying a spray dryable liquid composition to a spray dried powder is described, in which the spray dryable liquid composition contains no carrier. The spray dryable liquid composition is processed at a solids concentration not exceeding 80% by weight, based on total weight of the spray dryable liquid composition, being atomized to generate an atomized spray of liquid particles of the spray dryable liquid composition into a spray drying chamber, in which the atomized spray is contacted with a stream of drying fluid flowed at temperature not exceeding 100 C. into the spray drying chamber, to form the spray dried powder.

The present invention relates to whey protein aggregate particles that can be used to stabilize foams, and more particularly edible foams, such as foamed dairy products. The invention provides a process for preparation of such whey protein aggregates, for the use of such particles for stabilizing foam, as well as edible foams or foamed product comprising such whey protein aggregate particles.

The present invention relates to whey protein aggregate particles that can be used to stabilize foams, and more particularly edible foams, such as foamed dairy products. The invention provides a process for preparation of such whey protein aggregates, for the use of such particles for stabilizing foam, as well as edible foams or foamed product comprising such whey protein aggregate particles.

A high-pressure pre-heating system is provided for use in a spray dryer system. The high-pressure pre-heating system may include a heat exchanger(s) configured for high-pressure and high velocity product flow, with the heat exchanger(s) preheating liquid product immediately before spray drying. This arrangement reduces heat exposure time of the liquid product that flows at high velocity through the high-pressure heat exchanger(s), which correspondingly reduces the likelihood of fouling surfaces of the heat exchanger(s) or overheating the liquid product.

The present invention relates to anew method of producing a high-protein, acidified, liquid, dairy product. The invention furthermore relates to new high-protein acidified, liquid dairy product, to protein/mineral compositions and uses of these for producing liquid dairy products having a high-protein content and a low viscosity.