A multi-stage, multi-tube, shell-and-tube reactor which contains reaction zones and interstage temperature control (cooling/heating) zones in series. The reactor has at least two types of zones which both contribute to removing or supplying heat to the system depending on the system's need. The reactor...http://www.google.com.au/patents/US8034308?utm_source=gb-gplus-sharePatent US8034308 - Multi-stage multi-tube shell-and-tube reactor