Caustic filtration: Small filter – dramatic results
Experimental Analysis | Technical advances in reducing the amount of caustic being carried over from bath to bath in bottle washers has had a positive effect on energy consumption, as well as on chemical and freshwater usage. As the result of several different measures, the carry-over between baths has been reduced from 50 ml/bottle to approximately 12 ml/bottle today. In the past, the primary caustic bath(s) were topped up with water, but now the caustic concentration is maintained through the gradual addition of a caustic solution.
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