Xanthan gum

Article Abstract:

The Ohio State University in Columbus, OH, has patented a novel separation process for the production of xanthan gum. The technique, which is capable of reducing the cost of production by as much as 50%, uses cotton fibers for the immobilization of bacterial cells during the fermentation process. The technique, which leaves the broth free of bacterial cell debris, permits the use of ultrafiltration in concentrating the xanthan gum content to 15%.

Manufacturing processes, Gum & Wood Chemicals, Gum and Wood Chemical Manufacturing, Wood chemicals

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A faster, cheaper way to deposit oxygen-barrier films

Article Abstract:

MicroCoating Technologies is using combustion chemical vapor deposition (CCVD) to apply silica-based transparent barrier coatings onto plastic containers. CCVD, developed by the Georgia Tech Research Corp, is a continuous open-atmosphere process wherein silica-based fluids are sprayed through a nozzle and ignited, resulting in the deposition of particles on the substrate. Substrate deformation is avoided by maintaining the deposition temperatures to as low as 100 degrees C.

Production management, Paint and Coating Manufacturing, Plastics Coatings, Plastic coatings, MicroCoating Technologies

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