Environmentally Friendly Techniques in Textiles
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Introduction
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ASM Tareq Amin et al., BTT, 2009, 2, 16
Wastewater Discharged At Open Areas
Wastewater Sample
Typical Textile Effluent Characteristics
Textile Effluent Characteristics: Bangladesh Perspective
Discharge Quality Standards (By DoE)
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Textile Waste Water Characterization: At City University Lab (2009): Area Based Textile Waste Water Analysis
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Environmental Management Methods in Textiles
Types of Effluent Treatment Plants
ETP Diagram
Physicochemical Effluent Treatment Plants
Flocculation and Coagulation in Physicochemical Effluent Treatment Plants
Different Types of Biological Treatment Plants
Typical Reactions in Biological Processes
Activated Sludge Process
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Membrane Bio-Reactor (MBR)
Proces Basic
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Process Flow chart of MBR:
Figure: Hollow fiber membrane
Hollow fibre membrane module
Figure: Cassette of Hollow Fiber Membranes
Fig: Full view of MBR in Uni-house yarn dyeing factory.
Achievement of zero sludge discharge:
Membrane Bio-Reactor vs. Conventional Biological Unit
Low-Tech Solutions
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ETP Design & optimization
Introducing ETP-CAD
Purposes to Design the Software
The Team
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Aeration Tank
ETP
Re Use
Wastewater Reuse in Gardening
Eco-Friendly Techniques
Eco-Friendly Techniques: Solvent Dyeing
Eco-Friendly Techniques: Foam Dyeing
Eco-Friendly Techniques: Super critical CO2 fluid dyeing Dyeing
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Eco-Friendly Techniques: Caustic Soda Recovery
Echo-Friendly Techniques: Caustic Soda Recovery Plant at Beximco Textiles
Eco-Friendly Techniques: Ionic Liquid Dyeing
Eco-Friendly Techniques: Nano Technology
Eco-Friendly Techniques: Ultrasound Enzymatic Treatment
Eco-Friendly Techniques: Dyeing Machines: Athena 2: SCLAVOS PRODUCT
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Eco-Friendly Techniques: Dyeing Machines: Low liquor machine
Eco-Friendly Techniques: Right First Time (RFT) Techniques
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ETP Costing
Central ETP Concept
Central ETP of CEPZ
Central ETP of CEPZ: Information Capacity 15,000 m3/day 24 hours/day operation cost: 18.66 m3/day
Government Initiative
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Conclusions
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References
Acknowledgement
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