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Technology Profile: Bio-based Adipic Acid Production from Glucose

By Intratec Solutions |

This column is based on “Bio-based Adipic Acid Production from Glucose – Cost Analysis,” a report published by Intratec. It can be found at: www.intratec.us/analysis/adipic-acid-production-cost.  Adipic acid is one of the most commercially important aliphatic dicarboxylic acids. It is produced on a large scale primarily to supply the nylon 6,6 production chain. Other applications include the manufacture of coatings, synthetic lubricants, fibers, plastics, plasticizers and polyurethane resins. The process In the process described in the following paragraphs, adipic acid is produced from glucose via a two-step catalytic process (Figure 1). Figure 1. The production of bio-based adipic acid from glucose via a two-step catalytic process is shown here[/caption] Glucaric acid synthesis. A glucose solution is mixed with process water and heated before being fed to the oxidation reactor. Oxygen is supplied to the reaction by feeding compressed air to the bottom of the reactor. The overhead from the reactor is fed to a knock-out drum, a liquid stream is recycled to the reactor and most of the recovered gaseous material is recycled to the air compressor. The reactor’s bottoms product is cooled and filtered, and glucaric acid is…
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