1. Nano-composite Structured Membrane Air Conditioner
Project goal
Development high performance air-conditioner with nano-composite membrane
Project targets
Development of hydrophobic dense membrane · Functionality with high H2O permeability and high H2O/N2 selectivity · Organic/inorganic complex structured membrane
Development of membrane heat and mass exchanger · Durable multilayered membrane module for vacuum operation · Membrane module production and performance test
Development of prototype air conditioner and feasibility test.
Project outline
Project leader : Dr. Seok Ho Yoon
Principal investigator : Korea Institute of Machinery and Materials
Period : ~ (3 years)
Budget : 2.2M USD (1.8M from MOTIE)
Funding organization : Ministry of Trade, Industry and Energy (MOTIE), Korea Institute of Energy Technology Evaluation and Planning (KETEP)

2. Moisture selective membrane
[Reference] Major concept
Water vapor pressure ~ 1.8kPa
Water vapor pressure ~ 1.25kPa
Water vapor transfer
Air/vapor mixture
(to conditioned space)
Air/vapor mixture
Absolute pressure <1.25kPa
Vacuum
compressor
Absolute pressure >3.75kPa
Compression ratio ∼ 3.5
Air/vapor mixture
(to outdoor)
Air/vapor mixture
(from outdoor)
Water vapor pressure ~3.5kPa
Water vapor pressure ~ 2.5kPa
Figure Vacuum compressor membrane dehumidification
Reference : Wood(2014), Renewable and Sustainable Energy Reviews 33,