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Uhde Inventa-Fischer commissions polyamide 6 plant for JSC Grodno Azot PTC Khimvolokno  

By Gerald Ondrey |

Uhde Inventa-Fischer (Domat/Ems, Switzerland; www.uhde-inventa-fischer.com) and JSC Grodno Azot PTC Khimvolokno (Belarus) have successfully commissioned a plant for the production of polyamide 6. The multiline plant is located in Grodno, Western Belarus, has a capacity of 91,000 metric tons (m.t.) per year and replaces seven lines that have been closed down. The new plant has enabled the customer to almost double its production capacity at the site from 140 to 260 m.t./d. The majority of the pellets produced at the plant are processed to high-quality tire cord and carpet yarn at the spinning mill attached to the plant. The rest is used in the production of engineering plastics and for various other applications in the global market. Use of the newly produced pellets has reduced the waste quota at the mill by 30%. The polymerization plant uses Uhde Inventa-Fischer’s two-stage polyamide process as well as the Virgin Lactam Polymerization Process (VLP). The technological highlight of the plant is the cost-effective, feed-stock-saving Over-proportional Refeeding Process (OPRP) developed by Uhde Inventa-Fischer. This process allows the caprolactam extract that accumulates on all production lines to be fed back to a single line for…
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