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3. Wet processing and its footprint
Understand the water, chemistry and energy load of dyeing, finishing and washing, and the levers that reduce it.
Map water, chemicals and energy per kilogram of acceptable fabric. Compare like-for-like production and include rework, wastewater treatment and quality failures when assessing a process improvement.
By the end of this module: Understand the water, chemistry and energy load of dyeing, finishing and washing, and the levers that reduce it.
Prerequisite: Complete module 2 and its readings first.
Who this module is for · Intermediate
- Product developers and designers deciding material and trim specifications
- Factory technologists working on cutting waste, offcuts and reprocessing
- Sustainability and compliance staff who need the technical detail behind claims
This module stands on its own — study it in any order. Your reading, quiz score and capstone are saved on this device, and to your account when you sign in. See your progress for this course.
1. Read these chapters
2. Then work through these stages
Module quiz
5 questions on 3. Wet processing and its footprint. Answer them all, then check your score before moving on. 4 correct or more is a pass. Your best score is saved on this device, and to your account when you are signed in. This is a self-check, not an accredited assessment.
1. Which denominator makes water use comparable?
2. Water use falls from 100 to 75 litres/kg. What is the reduction?
3. Why include re-dyeing in resource accounts?
4. A lower-water process uses much more energy. What next?
5. What must accompany wastewater-volume reporting?
Structured certification
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