Mark Shedric Simpson

Title: The Innovative Mind of Mark Shedric Simpson: A Study in Dinitrotoluene Production

Introduction: Mark Shedric Simpson, an accomplished inventor based in Germansville, PA, has made a significant contribution to the field of chemical engineering. With his innovative patent, he has optimized the production process of dinitrotoluene, a vital compound used in various applications including explosives and dyes.

Latest Patents: Simpson holds a notable patent titled "Weak Acid Process for Producing Dinitrotoluene." This invention pertains to an improved methodology where a feed sulfuric acid, characterized as 'weak acid,' is utilized effectively in the nitration facility. The feed sulfuric acid concentration ranges between 86-91%, with a preference for 87-89% by weight, allowing for efficiency in meeting the sulfuric acid requirements for the production facility. Simpson’s process incorporates cocurrent processing in a mononitration zone and countercurrent nitration in the dinitration zone.

Career Highlights: Simpson has been an integral part of Air Products and Chemicals, Inc., where he has focused on enhancing chemical processes. His work exemplifies a commitment to innovation within the industry, contributing to the company’s reputation for excellence in chemical manufacturing.

Collaborations: Throughout his career, Simpson has collaborated with distinguished colleagues such as William Joseph Mazzafro and Stephen Ian Clarke. These partnerships in the field of chemical engineering have fostered advancements and shared knowledge, enhancing the productivity and efficacy of their projects.

Conclusion: Mark Shedric Simpson's contributions to the field of chemical engineering through his patent on the weak acid process for producing dinitrotoluene exemplify the spirit of innovation that drives progress in industries reliant on chemical processes. His work not only showcases individual excellence but also highlights the importance of collaboration in achieving breakthroughs.