Surface Modification Technique Of Membrane

Syllabus: Prelims Unit I - General Science

Research Institutions Involved

• Indian Institute of Petroleum & Energy (IIPE), Visakhapatnam
• Assam Science and Technology University
• Gauhati University
• Pragjyotish College
• Institute of Advanced Study in Science and Technology

Publication Details

• Published in: Nature Scientific Reports
• Research Funding: Institute Research Grant by IIPE

Core Technology

• Name: Surface Modification Technique of Membrane
• Primary Purpose: Treatment of turbid river water
• Key Innovation: Use of plasma process gas for improved permeate flux

Technical Advantages

• Enhanced membrane performance
• Extended membrane lifespan
• Reduced operational costs
• Usage of non-toxic gases instead of harsh chemicals

Application Areas

• Pharmaceutical industry
• Food processing
• Textile manufacturing
• Environmental protection
• Water pollution monitoring

Technical Methods & Processes

Surface Modification Techniques

• Primary Goal: Enhancement of filtration and separation efficiency
• Method: Alteration of membrane surface properties

Graft Polymerization

• Function: Surface functionalization
• Benefit: Improved selectivity and performance

Plasma Treatment

• Purpose: Surface property modification
• Results: Enhanced hydrophilicity and permeability

Layer-by-Layer Assembly

• Application: Nanofiltration
• Feature: Precise control of thickness and surface properties

Chemical Vapour Deposition (CVD)

• Function: Protective coating application
• Benefits: Enhanced durability and performance

UV Irradiation

• Purpose: Surface chemical modification
• Application: Multiple operational conditions

Membrane Annealing

• Function: Defect elimination
• Benefit: Extended operational lifespan

Atomic Layer Deposition (ALD)

• Feature: Nanoscale uniform coating
• Application: Osmosis processes

Covalent Bonding

• Purpose: Specific molecular separation
• Method: Surface-molecular covalent attachment