Why is methylene blue (MB) dye contamination in wastewater a significant concern?

Label:chem

Topic
Methylene blue (MB) dye has an aromatic structure, is difficult to biodegrade, persists in the environment, and is toxic to aquatic life and human health.
Answer
Methylene blue (MB) dye causes water quality problems due to its aromatic structure, resistance to biodegradation, environmental persistence, and toxicity to aquatic animals and human health. Its toxicity in humans can lead to effects such as cyanosis, vomiting, shock, increased heart rate, and diarrhea.
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