By means of the synthetic approach of non-polar or weak polar oil-sorbed polymers,the gel sorption resin(GSR) and the multiporous sorption resin(MSR) were prepared.The structure of the resins,sorption power...By means of the synthetic approach of non-polar or weak polar oil-sorbed polymers,the gel sorption resin(GSR) and the multiporous sorption resin(MSR) were prepared.The structure of the resins,sorption power,sorption speed,desorption,and sorption of organic compounds from sewage,exhaust gas and soil were discussed.Moreover,the resins were used to decrease LOD and BOD5 values of water waste from sewage factory.Theyare a klndof potential materials for environmental control.展开更多
The thermal debinding behavior of stainless steel foam precursor in vacuum was studied and compared with that in hydrogen.The formation cause of pore channel was analyzed.The experiment results show that the binder re...The thermal debinding behavior of stainless steel foam precursor in vacuum was studied and compared with that in hydrogen.The formation cause of pore channel was analyzed.The experiment results show that the binder removal rate in vacuum is higher than that in hydrogen.In vacuum,the organic compounds can be removed effectively without change of pore size and the pore morphology for the sample.After pre-sintering,some sintering necks form and the sample has certain intensity.The initial surface pore forms with the temperature increasing at first,and then the internal melting binder is aspirated to form initial pore because of the capillary force and the metal powders re-arrange with the migration of binder at the same time.展开更多
the desalting property of ion-exchange resins in organic solventis reported by using potassium acetate as a model compound. Theexperimental results show that solvability of the solvent, stirringspeed, and temperature ...the desalting property of ion-exchange resins in organic solventis reported by using potassium acetate as a model compound. Theexperimental results show that solvability of the solvent, stirringspeed, and temperature are the factors which influence theion-exchange rate. The increase of solvability, stirring speed andtemperature will speed up the ion-exchange process.展开更多
文摘By means of the synthetic approach of non-polar or weak polar oil-sorbed polymers,the gel sorption resin(GSR) and the multiporous sorption resin(MSR) were prepared.The structure of the resins,sorption power,sorption speed,desorption,and sorption of organic compounds from sewage,exhaust gas and soil were discussed.Moreover,the resins were used to decrease LOD and BOD5 values of water waste from sewage factory.Theyare a klndof potential materials for environmental control.
基金Project(50974136)supported by the National Natural Science Foundation of ChinaProject(CX2009B037)supported by the Graduate Degree Thesis Innovation Foundation of Central South University,China
文摘The thermal debinding behavior of stainless steel foam precursor in vacuum was studied and compared with that in hydrogen.The formation cause of pore channel was analyzed.The experiment results show that the binder removal rate in vacuum is higher than that in hydrogen.In vacuum,the organic compounds can be removed effectively without change of pore size and the pore morphology for the sample.After pre-sintering,some sintering necks form and the sample has certain intensity.The initial surface pore forms with the temperature increasing at first,and then the internal melting binder is aspirated to form initial pore because of the capillary force and the metal powders re-arrange with the migration of binder at the same time.
文摘the desalting property of ion-exchange resins in organic solventis reported by using potassium acetate as a model compound. Theexperimental results show that solvability of the solvent, stirringspeed, and temperature are the factors which influence theion-exchange rate. The increase of solvability, stirring speed andtemperature will speed up the ion-exchange process.