CAJ | 학술논문

通过调节溶剂热合成工艺制备了两种花状中空四氧化三钴(Co3 O4)微球,并采用扫描电子显微镜(SEM)、X射线衍射仪(XRD)、氮气吸附脱附仪、紫外-可见吸收光谱仪(UV-Vis)、红外光谱仪(FT-IR)等手段对 Co3 O4微球的形貌、尺寸、晶形结构、孔性能等进行了表征。结果表明,两种微球尺寸均为微米级, Co3 O4晶体结构为立方相尖晶石结构；两种微球的比表面积分别为26.77和2.51 m2/g。两种Co3 O4微球对污染物碱性品红的吸附性及解吸再利用性的研究结果显示,Co3 O4微球对碱性品红的最大饱和吸附量为2.7 mg/g,且重复再生循环6次后,吸附效率仍保持在60%以上。
통과조절용제열합성공예제비료량충화상중공사양화삼고(Co3 O4)미구,병채용소묘전자현미경(SEM)、X사선연사의(XRD)、담기흡부탈부의、자외-가견흡수광보의(UV-Vis)、홍외광보의(FT-IR)등수단대 Co3 O4미구적형모、척촌、정형결구、공성능등진행료표정。결과표명,량충미구척촌균위미미급, Co3 O4정체결구위립방상첨정석결구；량충미구적비표면적분별위26.77화2.51 m2/g。량충Co3 O4미구대오염물감성품홍적흡부성급해흡재이용성적연구결과현시,Co3 O4미구대감성품홍적최대포화흡부량위2.7 mg/g,차중복재생순배6차후,흡부효솔잉보지재60%이상。
In this paper,two kinds of flower-like Co3 O4 hollow microspheres were synthesized by solvothermal process.The scanning electron microscopy(SEM),X-ray diffraction(XRD),nitrogen adsorption instrument, UV-visible diffuse reflectance spectroscopy (UV-Vis),infrared spectrometer(FT-IR)were used to characterize the size,crystal structure,pore properties of the Co3 O4 hollow microspheres.The results showed that the two kinds of Co3 O4 microspheres are micron-sized,cubic phase spinel structure,and the specific surface area were 26.77 and 2.51 m2/g,respectively.The adsorption and regeneration properties of the two kinds of Co3 O4 mi-crospheres to basic fuchsin were compared.The study results showed that the two kinds of Co3 O4 microspheres exhibited high adsorption capacities and excellent regeneration ability to basic fuchsin.The solid-phase adsor-bate concentration at equilibrium was 2.7 mg/g.After recycling 6 times,the adsorption efficiency was still above 60%.