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Valmet introduces zero effluent system for enzymatic starch cooking
March 6, 2023 By P&PC Staff
Valmet has developed Enzymatic Starch Cooking ZE (zero effluent) for its board and paper maker customers. According to the company, this product is designed to improve operational reliability and quality of the starch cooking process. The product consists of two separate units for binder starch and surface-size starch with built-in-heat recovery and a new circulation system.
One system has already been delivered to Guangxi Jingui Pulp and Paper’s (GJPP) Qinzhou mill in China and was started up successfully in 2022.
Enzymatic Starch Cooking ZE has two pre-assembled and pre-tested skid units with patented process solutions for a super-wide capacity range of 20-120 tons of dry solids per day, says Valmet in a press statement.
The cooking system offers a fully continuous operation even during normal production stops, with circulation loops resulting in zero wasted starch. The system will constantly produce fresh, stable, and high-quality starch. The built-in heat recovery is utilized in integrated hot water preparation.
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