HOUSTON — Sagar Patel has joined Merichem Co. as sales director for the Merichem Gas Technologies business unit. Patel’s responsibilities include the global leadership for all sales and business development activities in support of the LO-CAT hydrogen sulfide removal technology. Prior to joining Merichem, Patel held key sales and sales leadership roles at UOP, ABB, Invensys and Yokogawa. For more information, visit www.merichem.com or call (713) 428-5000.