초록

In a controlled atmosphere storage system the activated charcoal scrubber chamber is partially evacuated before and/or after transfer from scrubbing to re-activation thus reducing the amount of ambient air introduced into the system.

대표청구항 ▼

A process for removing undersiable gasses form mixed gasses in a storage chamber with minimal variation in pressure within the storage chamber comprising the following sequence of steps: (a) circulating the mixed gasses through an adsorber chamber to remove the undesirable gasses for a first period

A process for removing undersiable gasses form mixed gasses in a storage chamber with minimal variation in pressure within the storage chamber comprising the following sequence of steps: (a) circulating the mixed gasses through an adsorber chamber to remove the undesirable gasses for a first period of time; (b) shutting off the adsorber chamber inlet from the storage chamber; (c) reducing the pressure in the adsorber chamber by expelling a portion of the gas in the adsorber chamber into the storage chamber; (d) shutting off the adsorber chamber outlet to the storage chamber; (e) opening the adsorber chamber inlet and outlet to the ambient atmosphere and flushing the adsorber chamber with air from the ambient atmosphere; (f) shutting off the adsorber chamber inlet from the ambient atmosphere and reducing the pressure in the adsorber chamber by expelling portion of the gas in the adsorber chamber to the ambient atmosphere; (g) shutting off the adsorber chamber outlet to the ambient atmosphere; (h) opening the adsorber chamber inlet and outlet to the storage chamber and repeating the steps starting at step (a).