Strategies for breaking theoretical evaporation limitation in direct solar steam generation

Xiaojiang Mu, Yufei Gu, Pengfei Wang, Anyun Wei, Yongzhi Tian, Jianhua Zhou, Yulian Chen, Jiahong Zhang, Zhiqiang Sun, Jing Liu, Lixian Sun, Sakae Tanemura, Lei Miao

Research output: Contribution to journalReview articlepeer-review

Abstract

Direct solar steam generation (DSSG) as a green purification technology only driven by solar energy has attracted the attention of researchers. Compared with large-scale water purification technologies such as membrane distillation, reverse osmosis and multistage flash distillation, it has convenient, low cost and distributed features. In recent years, water path of evaporator has been gradually optimized and some new strategies has been promoted. In this review, we summarize the development of water path as well as new evaporation strategies including utilizing environmental energy, multi-level utilization of energy efficiency and decreasing evaporation enthalpy. Future research direction and problems to be solved has also been discussed. The current deficiencies and challenges have been pointed to speed the practical application of distributed DSSG purification technology.

Original languageEnglish
Article number110842
JournalSolar Energy Materials and Solar Cells
Volume220
DOIs
Publication statusPublished - 2021 Jan

Keywords

  • Direct solar steam generation
  • Evaporation efficiency
  • Photothermal conversion
  • Water path dimension

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Renewable Energy, Sustainability and the Environment
  • Surfaces, Coatings and Films

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