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description=1 post published by milkshake during May 2014;

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org, prep, daily, may, 22, 2014, kilo, scale, hydrogenation, reactor,

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may 2014 org prep daily org prep daily may 22 2014 a kilo scale hydrogenation reactor filed under procedures milkshake 8 22 pm i have been running some hydrogenations of our polymers on kilo scale at atmospheric pressure under balloons and it is a bit of a chore it would be nice to have something akin to a beer keg sized parr shaker and run the hydrogenation under few bars of h2 to reduce the catalyst loading and shorten the reaction time i wanted to ask the readers from process groups if they worked with a low pressure batch stirred hydrogenation reactor that they liked and could recommend for us to buy specifically we would need a hydrogenator that can accommodate 8 10 liters of a reaction mixture that has tendency to initially foam under reduced pressure this means that the total available volume should be about 15 20 liters maximum operating pressure 3 bar would be enough no heating or cooling is required and the typical solvent is water i am not really interested in flow hydrogenation systems because they would be unsuitable to our particular case a glass vessel or at least a glass window on the top would be nice to have because of the foaming problem during evacuation thank you for your suggestions comments 39 pages about milkshake about org prep daily bug report chemistry resources chemistry chemjobber in the pipeline med chemist open flask org chem portal practical fragments stellen fuer chemiker edible links serious eats links to behold idle words categories chris douglas industry life krest17 lab destruction lit highlights mechanisms procedures questions uncategorized search archives january 2026 december 2025 november 2025 october 2025 september 2025 april 2019 march 2019 december 2018 june 2018 september 2017 august 2017 march 2016 october 2015 august 2015 july 2015 june 2015 march 2015 november 2014 july 2014 may 2014 september 2013 july 2013 may 2013 april 2013 october 2012 september 2012 august 2012 january 2012 december 2011 november 2011 october 2011 july 2011 june 2011 april 2011 december 2010 november 2010 october 2010 september 2010 july 2010 june 2010 may 2010 march 2010 february 2010 january 2010 december 2009 november 2009 september 2009 august 2009 june 2009 may 2009 april 2009 march 2009 february 2009 november 2008 august 2008 july 2008 june 2008 march 2008 february 2008 january 2008 december 2007 november 2007 october 2007 september 2007 august 2007 july 2007 june 2007 may 2007 april 2007 march 2007 february 2007 january 2007 november 2006 october 2006 september 2006 meta create account log in rss comments rss valid xhtml xfn wordpress com blog at wordpress com subscribe subscribed org prep daily join 179 other subscribers sign me up already have a wordpress com account log in now privacy org prep daily subscribe subscribed sign up log in report this content view site in reader manage subscriptions collapse this bar