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journal article·2025-12Open access

Scalable Biodegradable Janus Solar Evaporator Derived from Wastepaper and Tea Residue for Sustainable Seawater Desalination and Wastewater Purification (Small 52/2025)

Shuvra Saha, Md. Nahian Al Subri Ivan, Ahmed Mortuza Saleque, Safayet Ahmed, Miao Zhang, Sumaiya Umme Hani, Tawsif Ibne Alam, Wai‐Yeung Wong, Sainan Ma, Yuen Hong Tsang

Small· Volume 21· Issue 52
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Source abstract

Abstract

Wastewater Purification In article number 2507620, Sainan Ma, Yuen Hong Tsang, and co-workers fabricated a scalable, biodegradable Janus solar evaporator by incorporating multi-reflective MXene-MWCNT hybrid onto a porous and fibrous substrate, prepared from recycled wastepaper and tea residue, for seawater desalination and wastewater purification, demonstrating water evaporation rate of 1.52 kg m−2 h−1 with 90.79% efficiency under one sun, and producing ≈6.8 L m−2 of freshwater over 8 hours, showcasing large-scale implementation potential.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Solar-Powered Water Purification Methods · Membrane Separation Technologies · Surface Modification and Superhydrophobicity

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Affiliations

Department of Applied Physics Materials Research Center Research Institute for Advanced Manufacturing and Research Institute for Smart Energy The Hong Kong Polytechnic University Hung Hom, Kowloon Hong Kong 999077 P. R. China

Shenzhen Research Institute The Hong Kong Polytechnic University Shenzhen Guangdong 518057 China

Physical Science and Engineering Division King Abdullah University of Science and Technology (KAUST) Thuwal 23955–6900 Kingdom of Saudi Arabia

Department of Physics Oregon State University Corvallis OR 97331 USA

Department of Applied Biology and Chemical Technology The Hong Kong Polytechnic University Hung Hom, Kowloon Hong Kong 999077 P. R. China

Ningbo Global Innovation Center Zhejiang University Ningbo China

References

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