Abstract: A recycling support system for a production facility performing a plurality of types of recycling processing using marine plants includes a measurement unit configured to measure an amount of remaining energy used to operate the production facility, and a control unit configured to control a proportion of each of the plurality of types of recycling processing carried out in the production facility according to the amount of remaining energy used to operate the production facility measured by the measurement unit.

Abstract: A vapor valve includes a partitioning member for partitioning a space containing gaseous vapor into two spaces, wherein a communication mouth for communicating the two spaces with each other is formed at the partitioning member; and a valve element for opening and closing the communication mouth, wherein the valve element is formed by a board for opening and closing the communication mouth in accordance with a pressure difference between the two spaces, a slanted board portion sloping with respect to a horizontal direction and having a shape of a board is formed at the partitioning member, and the communication mouth makes a hole penetrating both sides of the slanted board portion.