We have a customer who does custom chemical mixing for pesticide and herbicide manufacturers. The additives used to produce these products come in both powder and liquid form. Usually the ingredients are mixed with water in large mixing tanks. The product is then moved to a smaller tank that is used as a day tank in filling the customer’s containers. They are usually one gallon and five gallon plastic bottles.
The particular product that was causing problems being mixed had a component that was very light and fluffy. They had tried different methods of moving the ingredient to the mix tank but had problems with dusting and the product would actually foam or bubble out of the top of the mix tank. This was especially true with gravity feed.
Please see this at https://pyebarker.com/using-an-aro-diaphragm-pump-for-powders/
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