Initial Project Synopsis





Project Title:

"Novel Liquid Desiccant Dehumidification System"


Project Objectives:

The goal of the project is to develop and test a low cost, compact, and energy efficient liquid desiccant dehumidification system that can precondition the outdoor air delivered to buildings and homes to save energy by reducing compressor size and eliminating excess chiller capacity. As an added benefit, the system will also improve indoor air quality and comfort by removing excess humidity, thus reducing the growth of mould and mildew that create 'sick buildings' and destroy valuble property.

Stages of Project:

  • Conclude the Research and Development of the innovative process, build a test bed prototype, source components and Modelling
  • System and their components re-designed into a Alpha version of a working product, with embedded control system.
  • Alpha version will under take testing and validation, under controlled conditions.
  • Field testing of of Alpha version under normal conditions and application.
  • All the stages have been programmed over a two year period, with the European partners involvement based from their home countries.

The Need:

Air conditioning is usually carried out using vapour compression systems. However, increased global warming and environmental impact of chlorofluorocarbon (CFC) and other similar refrigerants on the ozone layer has simulated interest in development of 'environmental-friendly' air conditioning systems such as desiccant absorbents, such as calcium chloride and lithium bromide. Desiccant dehumidification systems can supplement conventional air conditioners, reducing the need for vapour-compression systems to operate for long cycles and at low temperatures in order to handle temperature and humidity. The primary function of active desiccant dehumidification systems is preconditioning the outdoor air delivered to buildings. Desiccants dehumidification cooling systems can reduce cooling loads and peak demand by as much as 50%.

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