It is found that alteration of the activation condition can control the pore distribution of PSAC in specified ranges, and its adsorption ability to vitamin B12 and creatinine can reach 80% and 96% respectively.

• 结果表明：改变活化条件，可在一定范围内控制沥青基球状活性炭的孔径； 在实验条件下，沥青基球状活性炭对维生素B12及肌酸酐的吸附率分别达到80%25及96%25。