The structure and properties of molten salt solution o J Li,K|F,Cl system have been investiged by computerized simulation of molecular dynamic method.The partial RDF,the partial molar energy of mixing and the diffusio...The structure and properties of molten salt solution o J Li,K|F,Cl system have been investiged by computerized simulation of molecular dynamic method.The partial RDF,the partial molar energy of mixing and the diffusion coeffients of Li^+,K^+,F^- and Cl^- have been calculated. The results are in agreement with the experimental values.The regularities of the distribution of ions and mieroscopic holes are discussed based on the results of computerized simulation.展开更多
Silica white was prepared with the method of molten NaOH-carbonation decomposition from the laterite nickel ore,and the content of NiO in the residue reached 2.71%.The results showed that the extraction ratio of SiO2 ...Silica white was prepared with the method of molten NaOH-carbonation decomposition from the laterite nickel ore,and the content of NiO in the residue reached 2.71%.The results showed that the extraction ratio of SiO2 increased with increasing reaction time and mass ratio of alkali to ore,and with decreasing particle size of the laterite nickel ore.Furthermore,the extraction ratio of SiO2 increased firstly and then decreased with increasing reaction temperature.XRD analysis indicated that the product was amorphous.FT-IR analysis indicated that the product was hydrated silicon dioxide.SEM morphology showed that the product was of uniform particle size with average particle size about 100 nm.The physical and chemical properties of the product conformed with the national standards of chemical industry.展开更多
文摘The structure and properties of molten salt solution o J Li,K|F,Cl system have been investiged by computerized simulation of molecular dynamic method.The partial RDF,the partial molar energy of mixing and the diffusion coeffients of Li^+,K^+,F^- and Cl^- have been calculated. The results are in agreement with the experimental values.The regularities of the distribution of ions and mieroscopic holes are discussed based on the results of computerized simulation.
文摘Silica white was prepared with the method of molten NaOH-carbonation decomposition from the laterite nickel ore,and the content of NiO in the residue reached 2.71%.The results showed that the extraction ratio of SiO2 increased with increasing reaction time and mass ratio of alkali to ore,and with decreasing particle size of the laterite nickel ore.Furthermore,the extraction ratio of SiO2 increased firstly and then decreased with increasing reaction temperature.XRD analysis indicated that the product was amorphous.FT-IR analysis indicated that the product was hydrated silicon dioxide.SEM morphology showed that the product was of uniform particle size with average particle size about 100 nm.The physical and chemical properties of the product conformed with the national standards of chemical industry.
