Fig. 5From: Characteristics of biochars derived from fruit tree pruning wastes and their effects on lead adsorptionRelative change in FTIR wave number identification of fruit tree pruning waste biochar manufactured under different pyrolysis temperatures. (A) pear; (B) apple; (C) persimmon; red curve 300 °C; blue curve, 400 °C; green curve 500 °C; black curve 600 °CBack to article page