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Performance comparison of single and double slope solar still by experimental investigation

  • Vinay Mishra , Dhananjay Singh ORCID logo EMAIL logo , Ram Sharan Singh und Balendu S. Giri EMAIL logo
Veröffentlicht/Copyright: 29. April 2025
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International Journal of Chemical Reactor Engineering
Aus der Zeitschrift International Journal of Chemical Reactor Engineering Band 23 Heft 3

Abstract

Life can’t sustain without water. Sustainable development goal (SDG-6) emphasizes on access of suitable quality water to all. The amount of available freshwater on earth is very low and declining further. Human health, life quality and environment can be severely affected by the rising water scarcity. Desalination is the most widely adopted method to meet the global water demand. However, the adverse environmental impacts of existing desalination techniques necessitate the quest of sustainable methods. Solar distillation can be used for production of drinking water in a sustainable and economic manner. The current work evaluates and compares the performance of a small size single and a double slope solar still under similar climatic conditions. Both the stills are made of galvanized iron sheet and basin area is 0.36 m2. The productivity of single slope solar still (SSSS) and double slope solar still (DSSS) are found to be 2.58 L/m2 and 3.19 L/m2 respectively. The water yield of double slope solar still is observed to be 23.7 % higher than that of single slope solar still. Hence, the double slope solar still is observed to exhibit better performance.

Keywords: water; desalination; sustainability; solar still; performance evaluation
Corresponding authors: Dhananjay Singh, Department of Chemical Engineering, Institute of Engineering & Technology Lucknow, Lucknow, UP, India, E-mail: ; and Balendu S. Giri, Sustainability Cluster, University of Petroleum & Energy Studies, Dehradun, Uttarakhand, India, E-mail:

Acknowledgments

The authors would like to thank the Institute of Engineering & Technology Lucknow for providing the analytical facility needed during the research.

  1. Research ethics: Not applicable.

  2. Informed consent: Not applicable.

  3. Author contributions: All authors have accepted responsibility for the entire content of this manuscript and approved its submission.

  4. Use of Large Language Models, AI and Machine Learning Tools: None declared.

  5. Conflict of interest: The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

  6. Research funding: None declared.

  7. Data availability: Not applicable.

Nomenclature

B

Breadth of solar still basin (m)

BOD5

5 days biochemical oxygen demand (ppm)

COD

Chemical oxygen demand (ppm)

Ein

Embodied energy of solar still (kWh)

L

Length of solar still basin (m)

TDS

Total dissolved solids (ppm)

List of acronyms

DSSS

Double slope solar still

MED

Multi effect distillation

MSF

Multi stage flash

RO

Reverse osmosis

SDG

Sustainable development goal

SSSS

Single slope solar still

UNO

United Nations Organization

WHO

World Health Organization

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Received: 2025-02-04
Accepted: 2025-04-08
Published Online: 2025-04-29

© 2025 Walter de Gruyter GmbH, Berlin/Boston

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https://doi.org/10.1515/ijcre-2025-0025
Schlagwörter für diesen Artikel
water; desalination; sustainability; solar still; performance evaluation

Artikel in diesem Heft

  1. Frontmatter
  2. Articles
  3. Numerical evaluation of the wall effect on the hydrodynamic behavior of a fluidized nanoparticle agglomerate
  4. Conceptual modeling and performance evaluation of novel reactors for efficient synthesis of nylon-6,6
  5. Numerical study on bubble dynamics and mixing characteristics in viscous fluids under top-and-side composite blowing
  6. Enhanced bio-adsorbent derived from turnip leaves for crystal violet removal in aqueous solutions: experimental investigation, characterization, and machine learning modeling
  7. Esterification of acetic acid with butanol: kinetic study and fuzzy modelling using electrochemical parameters
  8. Performance comparison of single and double slope solar still by experimental investigation
  9. Solid loading effect on the performance of a cyclone with spiral guide vanes
  10. Numerical simulation of reduction behavior in shaft furnace based on DEM and CFD
  11. Thermal dispersion study of roof and wall materials with chemical pretreatments for energy reduction
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