Method for treating waste liquid from polarizing plate manufacturing and treatment apparatus
By optimizing the potassium iodide recovery process from polarizer manufacturing waste liquid through evaporation concentration and solid-liquid separation, the problem of cumbersome and costly potassium iodide recovery in existing technologies has been solved, achieving efficient and convenient potassium iodide recovery.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- SASAKURA ENG CO LTD
- Filing Date
- 2017-12-05
- Publication Date
- 2026-07-17
AI Technical Summary
Existing technologies for treating waste liquid from polarizer manufacturing suffer from maintenance issues and high operating costs, and the iodine recovery process is cumbersome.
Potassium iodide is separated and recovered through a series of processes including evaporation and concentration, solid-liquid separation and washing. The processes include first concentration, solid-liquid separation, second concentration and solid-liquid separation, using evaporation and concentration equipment and solid-liquid separation equipment to optimize the potassium iodide recovery process.
This technology enables efficient and convenient recovery of potassium iodide from waste liquid in polarizer manufacturing, reducing operating costs and maintenance difficulty while improving recovery efficiency.
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Figure CN122403547A_ABST
Abstract
Citation Information
Patent Citations
Treating method for waste liquid from polarizing plate manufacturing
JP2001314864A