Efficient Solar-Driven Water Purification Based on Biochar with Multi-Level Pore Bundle Structure for Preparation of Drinking Water.

ABSTRACT: Water is an important source for humankind. However, the amount of available clean water has rapidly reduced worldwide. To combat this issue, the solar-energy-driven evaporation technique is newly proposed to produce clean water. Here, biochar derived from sorghum stalk with a multi-level pore bundle structure is utilized to fabricate a solar-driven evaporator for the first time. The biochar displays rapid water transfer and low thermal conductivity (ca. 0.0405 W m-1 K-1), which is vitally important for such an application purpose. The evaporation rate and energy conversion efficiency of the solar evaporator based on carbonized sorghum stalk can achieve up to 3.173 kg m-2 h-1 and 100%, respectively, which are better than most of the previously reported biomass materials. Furthermore, the c

SUBMITTER: Zhang Z 

PROVIDER: S-EPMC8701808 | biostudies-literature | 2021 Dec

REPOSITORIES: biostudies-literature