CAJ | 학술논문

选用香榧果壳为原料，采用微波-磷酸法制备活性炭，分析了样品颗粒度、磷酸浓度、微波功率以及活化时间等因素对香榧外壳活性炭吸附性能和得率的影响。得到了微波-磷酸法制备活性炭的最佳工艺：香榧外壳颗粒度为20～60目，磷酸浓度为50％，微波功率为600W，活化时间为8min，在此工艺条件下所制备的活性炭的得率为36．67％，碘吸附值为857．7 mg/g ，亚甲基蓝吸附值为171 mL/g。利用扫描电镜（ SEM）观察其微观结构表明：活性炭孔道结构发达，孔径多数在1．02～2．21μm。
선용향비과각위원료，채용미파-린산법제비활성탄，분석료양품과립도、린산농도、미파공솔이급활화시간등인소대향비외각활성탄흡부성능화득솔적영향。득도료미파-린산법제비활성탄적최가공예：향비외각과립도위20～60목，린산농도위50％，미파공솔위600W，활화시간위8min，재차공예조건하소제비적활성탄적득솔위36．67％，전흡부치위857．7 mg/g ，아갑기람흡부치위171 mL/g。이용소묘전경（ SEM）관찰기미관결구표명：활성탄공도결구발체，공경다수재1．02～2．21μm。
Preparation of activated carbon from Torreya grandis powder with H 3 P0 4 under microwave irra-diation was researched ,The effects of sample size ,phosphorous acid solution concentration ,activation time and microwave power on the adsorption capacities and yield of activated carbon were investigated ,optimum technol-ogy and result were obtained as follows:sample size20 to 60 mesh, phosphorous acid solution concentration 50%(wt%),microwave power 600W and activation time 8 min,under this technological condition,the iodine absorption value of the activated carbon was 857.7mg/g,methylene blue absorption value was 172.5mL/g.un-der the optimum process conditions , use the SEM observed the microstructure of prepared Activated carbon show that:activated carbon pore structure developed ,aperture majority in 1.02~2.21μm.