Dairy Membranes

Dairy Membranes

David Sparks Ph.D.
David Sparks Ph.D.
I ran into membrane salesman Scott Brown at a Sun Valley dairy convention and asked him about his product. "I sell the membranes we use to separate any kind of solids from liquid. They slide into vessels in equipment in the dairy plants. Anywhere you want to separate any kind of solid from any kind of liquid. We use reverse osmosis just to separate water out and drive solids up. So where we use the membranes, first of all we use them before we make cheese. In the front of the plant, we will bring the milk in and we will use an ultra filtration membrane to remove some of the lactose to drive up the solids and the protein in the concentrate to make a higher yield cheese. Then we take the lactose off of that, that liquid lactose, and we concentrate it through a series of membranes and then an evaporator and we refine that and turn it into crystallized lactose that we sell in a multitude of applications for sweeteners. Then that concentrated milk goes into the cheese vat where they make the cheese with it and what comes from that is curds and whey.
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