Performance Analysis of a Single-Slope Solar Water Still Using Paraffin Wax as Phase Change Material under Varying Water Depths

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Jivendra Dwivedi; Pushpraj Singh; Amol Tripathi

Performance Analysis of a Single-Slope Solar Water Still Using Paraffin Wax as Phase Change Material under Varying Water Depths

Authors: Jivendra Dwivedi, Pushpraj Singh, Amol Tripathi

Unique Paper ID: 183441
Volume: 12
Issue: 3
PageNo: 1530-1536

Keywords: Solar distillation Single-slope solar still Phase change material (PCM) Paraffin wax Water purification Thermal efficiency Distillate yield Water depth Renewable energy Thermal energy storage

Abstract:
Freshwater scarcity poses a significant global challenge, particularly in remote and arid regions. Solar distillation offers a sustainable solution, but its limited productivity necessitates performance enhancements. This study investigates the thermal performance of a single-slope solar still integrated with paraffin wax as a phase change material (PCM) under varying water depths (15 L, 20 L, and 25 L). The experimental arrangement with a galvanized iron basin equipped with insulated walls and just an inclined glass cover was developed and tested in Satna, M. P., India. The benefits of PCM on thermal retention performance, distillate yield, and system efficiency were compared between two operational modes: without and with PCM. The incorporation of PCM led to a temperature resilience of the basin to approximate the equivalent evaporation duration up to two times and optimize the water uptake about 25%e35% for any any depth. With PCM the highest efficiency was 41% of the 15-liter depth than without PCM which only produced a 30%. These findings demonstrate the viability of PCM integration for boosting the efficiency of passive solar stills and contribute valuable insights for deploying cost-effective water purification technologies in off-grid areas.

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Cite This Article

ISSN: 2349-6002
Volume: 12
Issue: 3
PageNo: 1530-1536

Performance Analysis of a Single-Slope Solar Water Still Using Paraffin Wax as Phase Change Material under Varying Water Depths

Available:https://ijirt.org/article?manuscript=183441

Impact Factor
8.01 (Year 2024)

UGC Approved
Journal no 47859

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