David C Long

Title: The Innovations of David C. Long

Introduction

David C. Long is a notable inventor based in Baton Rouge, Louisiana. He has made significant contributions to the field of chemical engineering, particularly in the area of synthesis gas production. With a total of three patents to his name, Long's work focuses on environmentally beneficial processes that enhance efficiency in hydrocarbon synthesis.

Latest Patents

One of Long's latest patents is titled "Low hydrogen syngas using CO.sub.2 and a nickel catalyst." This innovative process involves creating a synthesis gas that comprises hydrogen (H.sub.2) and carbon monoxide (CO) using a reforming catalyst. The catalyst includes a supported non-noble Group VIII metal component and utilizes a feed that includes low molecular weight alkanes, such as methane from natural gas, along with O.sub.2, H.sub.2 O, and CO.sub.2. The process is designed to avoid catalyst deactivation by partially oxidizing and steam reforming the feed. The feed H.sub.2 O to hydrocarbon carbon mole ratio is maintained at less than 2, while the mole ratio of the combined feed CO.sub.2 and H.sub.2 O to hydrocarbon carbon ranges from 0.5 to 2.5. This method allows for the production of synthesis gas with H.sub.2 to CO mole ratios of less than 2:1, making it environmentally beneficial due to net CO.sub.2 consumption.

Another significant patent is the "Staged hydrocarbon synthesis process." This process achieves high conversion rates through a substantially once-through hydrocarbon synthesis. It involves reacting H.sub.2 and CO in the presence of non-shifting catalysts during the first stage, followed by the separation of liquid products. The remaining gas streams are then reacted in the presence of hydrocarbon synthesis catalysts that possess shifting activity.

Career Highlights

David C. Long is currently employed at Exxon Research and Engineering Company, where he continues to innovate and develop new technologies in the field of hydrocarbon synthesis. His work has been instrumental in advancing methods that are not only efficient but also environmentally friendly.

Collaborations

Throughout his career, Long has collaborated with esteemed colleagues, including Rocco A. Fiato and Geoffrey R. Say. These partnerships have contributed to the successful development of his patented processes and have fostered a collaborative environment for innovation.

Conclusion