After re-processing, this re-furbished milk can be used to extract cheese, whey powder, proteins etc. Following points with links as proof can be undertaken to understand the concept of re-furbished milk usage below:
1). A dessert of India/Pakistan that primarily uses only sugar and spoile
http://www.recipezaar.com/recipe/Raas-Malai-Its-What-to-Do-With-Freshly-Spoiled-Milk-132209
2). Cheese is made from the spoiled milk to use in different food items
like Paneer, the versatile Indian farmer’s cheese used in everything from deep fried appetizers to spicy spinach dishes to desserts. With little taste of its own, it makes a great meat substitute, taking on the flavor or whatever it's cooked with. It's essentially just boiled milk, curdled with an acidic agent (you can use vinegar, yogurt, lemon juice, etc.), with the solids strained through a cheesecloth and, if a harder consistency is desired, pressed under a hard object. So the resultant would be paneer which is used as a flavouring agent in many delicious dishes.
http://www.slashfood.com/2008/03/20/tip-of-the-day-spoiled-milk-make-chees
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3). Spoiled milk is used to repair the skin cells. Different face or body masks are prepared for the skin which treats the dead skin cells. Even the worst type of milk contains essential ingredients which are worth repairing the skin cells and give the skin a perfect light glow.
http://www.articlesbase.com/skin-care-articles/milk-for-facial-skin-care-766090.html

http://www.slashfood.com/2008/03/20/tip-of-the-day-spoiled-milk-make-chees

3). Spoiled milk is used to repair the skin cells. Different face or body masks are prepared for the skin which treats the dead skin cells. Even the worst type of milk contains essential ingredients which are worth repairing the skin cells and give the skin a perfect light glow.
http://www.articlesbase.com/skin-care-articles/milk-for-facial-skin-care-766090.html