Coffee pulp and husk-derived hydrochars and biochars adsorb polyphenols and pesticides from wastewater

Key Points

• Hydrochars and biochars significantly adsorb polyphenols and pesticides from wastewater, enhancing water purification.
• Adsorption rates indicate over 70% removal efficiency, proving coffee byproducts effective in treating contaminated water.
• Analysis of sorption properties was conducted using various concentrations of polyphenols and pesticides in lab settings.
• These findings highlight the need for more sustainable wastewater treatment options utilizing organic byproducts.