1, Cartridge filter during sterilization should pay attention to time and temperature control, high-temperature sterilization cabinet polypropylene to 121 ℃ is appropriate, use steam sterilization at 0.1Mpa steam pressure to 130 ℃ / 20 minutes is appropriate, polysulfone when PTFE and steam sterilized up to 142 ℃, pressure 0.28Mpa, time of 30 minutes or so, if the temperature is too high, too long, too much pressure can damage the filter. 2. To replace the filter down to soak in the acid wash, the soaking time should not exceed 24 hours, alkali solution temperature is generally 20 ℃ –25 ℃. Recommendation acid or alkali water ratio is 20% as well. Finally, repeatedly washed with deionized water. Protein content than the quotient of the filtrate, filter soaked with an enzyme solution is best cleaning effect, when re-use, be sure to clean before use, then use steam sterilization. 3, Long-term disabled cartridge filter, the filter must be cleaned inside and outside, remove the filter, wash and drying, sealed with a plastic bag storage, to avoid damage. Do not use detergent class corrosive substances, the temperature should not be too high to prevent deformation of polypropylene. Avoid contamination and impact during storage.
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