期刊
URBAN CLIMATE
卷 49, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.uclim.2023.101515
关键词
Biochar; Remazol brilliant blue R; Energy; Sustainable Development Goals (SDG)
The dyeing process is a major source of water pollution, contaminating both surface water and groundwater. This study evaluated the performance of biochar in removing toxic dye molecules from wastewater to protect groundwater. The results showed that biochar had a maximum sorption capacity of 46.61 mg g(-1) and a removal efficiency of 71.57% for the Remazol Brilliant Blue R dye.
The dyeing process is regarded as a major source of water pollution. The availability of surface water is depleted as a result of these toxic contaminants. The wastewater produced by these dyeing processes enters fresh water and contaminates both surface and groundwater. Ground-water is regarded as a major source of water for domestic and agricultural use. The current study focused on removing toxic dye molecules from wastewater to protect groundwater. The perfor-mance of biochar, a palm shell product, was evaluated in terms of its ability to decolorize the Remazol Brilliant Blue R dye (RBBR). In this continuous process, the sorption mechanism is carried out by studying impact-creating factors such as flow rate (Lh(-1)), RBBR dye initial con-centration (mg L-1), and sorbent depth (in cm). The present research investigated the maximum sorption capacity, which was found to be 46.61 mg g(-1) at a sorbent bed height of 25 cm when combined with a solute flowrate of 0.3 L h(-1) and an initial RBBR dye concentration of 100 mg L-1. The removal efficiency of the RBBR was obtained as 71.57%. The elutant for the regeneration studies was 0.01 M sodium hydroxide, and the results showed a 99.4% removal efficiency.
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