How should \"small guard pot\" be understood in this sentence?
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It is recommended to use small guard pots filled with ion exchange resin on the methanol stream to protect the catalyst in the reactor.
It is recommended to use small guard tanks filled with ion exchange resin on the methanol stream to protect the catalyst in the reactor; small protective tanks containing ion exchange resin (similar to desulfurization beds) should be installed in the methanol process stream to safeguard the catalyst inside the reactor