The present invention relates to a process for improving reactor volumetric productivity in the production of methanol wherein a synthesis feed gas stream containing hydrogen and carbon oxides is contacted with a catalyst slurry containing greater than about 25 wt % of a powdered copper-containing catalyst...http://www.google.com/patents/US4910227?utm_source=gb-gplus-sharePatent US4910227 - High volumetric production of methanol in a liquid phase reactor