Research on Modified Biochar Adsorption Removal by Reducing Agent to p-benzoquinone

Prepared modification wheat-straw biochar by Na2SO3, FeSO4.Setting the p-benzoquinone as targeted pollutant, through the experiment, we researched the effect of the biochar impregnation time,concentration, pyrolysis temperature and dosage on p-benzoquinone adsorption removal and did the thermomechanical analysis.The results showed that the impregnation time should be two hours,the best reducing agent concentration is 0.001mol/L, and the best pyrolysis temperature of biochar is 600℃, and the best dosage of biochar is 20 mg.In addition,the effect of FeSO₄modified wheat-straw biochar removal adsorption to p-benzoquinone is much better than Na₂SO₃.