Process Control in Souring
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This document outlines the quality and process control parameters for wet processing, specifically the souring (neutralization) process. It lists parameters such as acid concentration, flow rate, temperature, dwell time, and pH that are checked at various stages. The methods of checking include titration, flow meters, thermometers, and pH paper. Standards and frequencies of checking are provided. Necessary actions are specified for each parameter such as maintaining acid concentration, regulating flow rate, plugging steam leakages, giving optimum dwell time, and taking corrective measures.
Process Control in Souring
- 1. QUALITY & PROCESS CONTROL IN WET PROCESSING PROCESS CONTROL IN SOURING (NEUTRALISATION)
- 2. • Concentration of acid Parameter • Prior to souring Check Point • Titration Method of Checking • As per requirement • Once a shift Standard/ Frequency of Checking • Maintain required concentration of acid Necessary Action
- 3. • Flow rate during feeding Parameter • During souring Check Point • Flow meter Method of Checking • As per requirement Standard/ Frequency of Checking • Regulate flow of acid Necessary Action
- 4. • Temperature Parameter • During Process Check Point • Thermometer Method of Checking • Room temperature • During each round Standard/ Frequency of Checking • Plug all steam leakages Necessary Action
- 5. • Time Parameter • During Process Check Point • Dwell Time record Method of Checking • As per quality • Once a shift Standard/ Frequency of Checking • Give optimum dwell time for treatment Necessary Action
- 6. • pH during washing Parameter • After acid treatment Check Point • pH paper • pH indicator Method of Checking • No acidity after wash • Once a shift Standard/ Frequency of Checking • Take corrective measures Necessary Action
- 7. • Localised drying Parameter • During storage Check Point • Visual Method of Checking • No localised drying Standard/ Frequency of Checking • Ensure proper covering of the goods Necessary Action
- 8. • Pick-up Parameter • During souring Check Point • Laboratory analysis Method of Checking • Positive pick-up 15-20% • Once a shift Standard/ Frequency of Checking • Adjust nip pressure Necessary Action
- 9. C R Madhu Textile Processing Technology R C Technical Institute Ahmedabad, Gujarat crm4chemistry@gmail.com https://textilechemrose.blogspot .com/ THANK YOU