Technology Transfer Items

Seawater desalination technology

Biomimetic seawater desalination technology inspired by mangrove root structures

Related patents

  • 담수화 필터 및 이를 구비한 담수화 장치 (등록 번호: 10-1705798)
  • 유도 용질 전처리 과정을 포함하는 정삼투-역삼투 하이브리드 담수화 시스템 및 방법 (등록번호: 10-1909397)

Key features

  • Low-power or non-powered seawater desalination method
  • The strong Zeta potential on the membrane surface pushes out anions while maintaining electrical neutrality, effectively removing both cations and anions

Application field

  • Seawater desalination

Seawater desalination technology using evaporation-driven membranes for freshwater production

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  • 해수 담수화용 3차원 다공성 멤브레인, 그의 제조방법, 그를 포함하는 해수 담수화 장치 및 그것을 이용한 해수 담수화 방법 (출원번호: 10-2018-0136425, PCT/KR2018/015514)

Key features

  • Fabrication of interfacial evaporation membranes using extremely low-cost materials and processes that utilize solar energy to evaporate water
  • It possesses a remarkably high evaporation efficiency of 99.997% (8.7 times higher than the evaporation rate of water) and is the highest among existing evaporation membranes. (Daily water production: 30.6 liters per square meter)

Application field

  • Process based on evaporation for environmentally friendly, non-powered desalination method, ensuring drinking water supply from seawater and brine, as well as metal enrichment from seawater
  • Evaporation-based humidifier that utilizes light to evaporate water

Seawater desalination technology using alginate MOF adsorbents and biomimetic membranes

Related patents

  • 금속-유기 골격체/알긴산 비드 복합체, 이의 제조방법 및 활용 (10-2019-0101334)

Key features

  • The synthesized alginate-based MOF effectively removes high concentrations of salts present in seawater (TDS: 35,000 ppm)
  • In the low-concentration range where the desalination performance of MOF adsorbents is limited, additional desalination can be achieved using biomimetic membranes that mimic mangrove roots, powered by non-electricity.

Application field

  • Seawater desalination

3D aerogels, their production techniques, and desalination methods utilizing solar and wind power for interfacial evaporation

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  • 3차원 에어로젤 제조방법 및 그를 이용한 태양광 및 풍력 기반의 계면 증발식 담수화 방법 (10-2023-0146241)

Key features

  • Stacking aerogels with different densities and pore sizes horizontally to enhance evaporation performance at interfaces
  • Enhancing evaporation performance by harnessing the convective effect of wind (wind energy) in conjunction with solar energy
  • Preventing salt deposition while enabling fast water transport and excellent water absorption capability

Application field

  • Interface solar steam generator
  • Membrane for anti-salt performance

A system for concurrently producing freshwater and electricity using solar energy

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  • 태양광 기반의 담수 및 전기 동시 생산을 위한 시스템 (10-2560253)

Key features

  • Discharging saline solutions like seawater from the evaporation interface as freshwater in vapor form
  • Utilizing hydrogels with robust electrostatic repulsion against metal cations to induce ion concentration gradients and generate potential differences, thereby producing electricity

Application field

  • Interface solar steam generator

Seawater desalination technology based on electrothermal principles utilizing Joule heating

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  • 줄 가열 방식의 전열 효과에 기반한 증기발생장치를 이용한 전천후 고성능 담수화 장치 (10-2023-0162438)

Key features

  • Utilizing low-power electrical heating to rapidly evaporate water on conductive membranes featuring nanostructures such as carbon fibers
  • Highly efficient steam generation and seawater desalination without salt deposition
  • Capable of integration with phototherma-based desalination technology

Application field

  • High-efficiency desalination of highly concentrated brine
  • Purification of contaminated wastewater