Process Control parameters in Neutralisation process i.e. 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