Technology for preparing high nitrogen functional group content micro-pore activated carbon through urea phosphate activation method

The invention discloses a technology for preparing high nitrogen functional group content micro-pore activated carbon through a urea phosphate activation method. The method comprises the following steps: uniformly mixing lignocellulose material with an urea phosphate activating agent, thereby acquiring a uniformly mixed sample; carbonizing and activating the uniformly mixed sample, thereby acquiring the high nitrogen functional group content micro-pore activated carbon. According to the invention, the high nitrogen functional group content micro-pore activated carbon is prepared through the urea phosphate activation method; the preparation technique is simple; the activated carbon yield is high; the holes are large in quantity; the nitrogen content of the prepared activated carbon surface is 12-25%; the adsorptive property is strong; the heavy metal ion absorption is benefited. 本发明公开了种磷酸脲活化法制备高含氮官能团微孔活性炭的工艺，其包括：将木质纤维素材料与磷酸脲活化剂混匀，得到混匀后的样品；和炭化活化所述混匀后的样品，即得到高含氮官能团的活性炭。本发明以磷酸脲活化法制备高含氮官能团活性炭，制备工艺简单，活性炭得率高，孔隙发达，制得的