Patent ID: 8043417

Claim:
A reactor-installed or column-installed vertical plate heat exchanger having a heat exchange area, the heat exchanger comprising: cooling fluid channels for flow of cooling fluid from a cooling fluid inlet to a cooling fluid outlet; product vertical passageways located between the cooling fluid channels for flow of product, the product vertical passageways having a top and a bottom; a divider located between a first fraction and a second fraction of the product vertical passageways; a vapor product inlet communicating with the tops of the product vertical passageways in the first fraction; a product collection volume communicating with the bottoms of the product vertical passageways for collecting condensed product and uncondensed vapor; a condensed product outlet communicating with the product collection volume for recovering condensed product; and an uncondensed vapor outlet communicating with the tops of the vertical passageways in the second fraction for removing uncondensed vapor from the exchanger.