Solar Regenerated Desiccant (Adsorption) Water Harvesting скачать в хорошем качестве

Solar Regenerated Desiccant (Adsorption) Water Harvesting

Solar Regenerated Desiccant (Adsorption) Water Harvesting is a process that utilizes solar energy to regenerate desiccant materials, which are substances that adsorb water from the air. Here’s a detailed overview of the process: Key Concepts and Components Desiccants: Types: Common desiccants include silica gel, zeolites, and metal-organic frameworks (MOFs). These materials have high affinity for water vapour and can adsorb moisture from the air. Properties: Desiccants are chosen based on their adsorption capacity, regeneration temperature, and durability. Adsorption Cycle: Adsorption Phase: The desiccant material is exposed to humid air, adsorbing water vapour onto its surface. Regeneration Phase: Solar energy is used to heat the desiccant, releasing the adsorbed water vapour. The water vapour is then condensed to liquid water. Solar Regeneration: Solar Collectors: Solar thermal collectors or photovoltaic panels can be used to harness solar energy. Heating Mechanism: The collected solar energy heats the desiccant material to regenerate it, releasing the adsorbed water. Condensation: After the water vapour is released from the desiccant, it is directed to a condenser. The vapour is cooled, typically using ambient air or a cooling coil, and condensed into liquid water. Process Flow Air Intake: Ambient air is drawn into the system using fans or natural convection. The air passes over the desiccant material, where moisture is adsorbed. Desiccant Regeneration: The desiccant is heated using solar energy, causing it to release the adsorbed water vapour. This vapour is directed to a condenser. Water Condensation: The released water vapour is cooled and condensed into liquid water. The liquid water is collected in a storage tank or reservoir. Desiccant Cooling: After regeneration, the desiccant is cooled and ready for another adsorption cycle. Advantages Sustainability: Utilizes renewable solar energy, reducing dependence on electricity or fossil fuels. Scalability: Can be scaled for different applications, from small household units to large industrial systems. Efficiency: Effective in arid and semi-arid regions where traditional water sources are scarce. Applications Residential: Provides an alternative source of water for households in water-scarce regions. Industrial: Used in industries requiring dehumidification and water harvesting, such as agriculture and manufacturing. Remote Areas: Suitable for remote and off-grid locations where traditional water infrastructure is not available. #desiccant #adsorption #waterharvesting #humidity #solarregenerated #adsorbentmaterials #silicagel #mofs #zeolites #solarthermal