CAJ | 학술논문

以高硫劣质渣油为原料，在渣油加氢处理反应器上对减压渣油进行加氢处理，得到渣油加氢生成油。对原料渣油和渣油加氢生成油分别进行超临界流体萃取分离，按质量收率10%分割成几个不同的组分，研究反应前后各个组分中金属含量的变化。减压渣油经过超临界流体萃取分馏后，大部分金属都集中在残渣中，说明超临界流体萃取分馏对金属有较好的选择性。减压渣油在所确定的工艺条件下经过加氢处理，所得渣油加氢生成油进行超临界流体萃取分馏。结果表明，残渣中金属所占的比例增加，相当于金属进一步在残渣中“浓缩”。随着加氢的进行，金属脱除，渣油中很难脱除的Ni和V在各个组分间的分布发生变化，馏分油中的金属所占的比例减少，而残渣中的金属所占的比例增加，未能脱除的金属主要浓缩在残渣中，这部分浓缩于残渣中的金属很难脱除。
이고류렬질사유위원료，재사유가경처리반응기상대감압사유진행가경처리，득도사유가경생성유。대원료사유화사유가경생성유분별진행초림계류체췌취분리，안질량수솔10%분할성궤개불동적조분，연구반응전후각개조분중금속함량적변화。감압사유경과초림계류체췌취분류후，대부분금속도집중재잔사중，설명초림계류체췌취분류대금속유교호적선택성。감압사유재소학정적공예조건하경과가경처리，소득사유가경생성유진행초림계류체췌취분류。결과표명，잔사중금속소점적비례증가，상당우금속진일보재잔사중“농축”。수착가경적진행，금속탈제，사유중흔난탈제적Ni화V재각개조분간적분포발생변화，류분유중적금속소점적비례감소，이잔사중적금속소점적비례증가，미능탈제적금속주요농축재잔사중，저부분농축우잔사중적금속흔난탈제。
The inferior high-sulfur residue was hydrotreated in the reactor. The vacuum residue and the output were respectively separated into several fractions by the yield of 10%( mass) in the supercritical fluid extraction and fractionation(SFEF). The metal content of each fraction was studied. The vacuum residue was separated into several fractions by the SFEF. Most of metal was concentrated in the residue fraction, which can indicate that SFEF has good selectivity of the metal. Under the optimum conditions, the vacuum residue was hydrotreated in the reactor, and the output was separated into several fractions by the SFEF. The results show that the proportion of metal in the residue fraction increases, so as that the metal is further concentrated in the residual fraction. After hydrotreating, the distribution of metal in every fraction is changed. The proportion of the metal in the distillate fractions reduces, while the proportion of the metal in the residual fraction increases. The metal left mainly exists in the residual fraction, and the removal of it is difficult.