CIP cleaning system and storage tank milk and vehicles, starting from the feed water to wash the feed alkali is 2% NaOH at 80 ° C for 20 min, washed feed. By check the pH with litmus extant or red. Then feed acid is 1.5% HNO3 for 20 minutes and then feed the hot water for 30 minutes, including the final sequence takes about 1.5 hours.
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