河北冶金
河北冶金
하북야금
HEBEI METALLURGY
2015年
2期
13-15
,共3页
卢明亮%马瑞峰%徐雪峰%梁婧宇%张国杰%徐佳
盧明亮%馬瑞峰%徐雪峰%樑婧宇%張國傑%徐佳
로명량%마서봉%서설봉%량청우%장국걸%서가
高浓度%沉钒%工艺%研究
高濃度%沉釩%工藝%研究
고농도%침범%공예%연구
high concentration%vanadium precipitation%process%research
采用酸性铵盐沉淀法，以25～30 g／L沉淀原液为研究对象，进行高浓度钒液沉钒研究。以硫酸铝为钒液净化剂，通过控制钒液净化过程温度、酸度等工艺条件，得到优质、高浓度沉钒原液；沉钒过程中，通过控制钒液pH值、加铵系数、加酸温度等得到合格的优质钒酸铵。应用高浓度沉钒工艺后，吨钒降低新水消耗10 m3，减少了沉钒工序蒸汽及电力消耗，增强了产品的竞争力。
採用痠性銨鹽沉澱法，以25～30 g／L沉澱原液為研究對象，進行高濃度釩液沉釩研究。以硫痠鋁為釩液淨化劑，通過控製釩液淨化過程溫度、痠度等工藝條件，得到優質、高濃度沉釩原液；沉釩過程中，通過控製釩液pH值、加銨繫數、加痠溫度等得到閤格的優質釩痠銨。應用高濃度沉釩工藝後，噸釩降低新水消耗10 m3，減少瞭沉釩工序蒸汽及電力消耗，增彊瞭產品的競爭力。
채용산성안염침정법，이25～30 g／L침정원액위연구대상，진행고농도범액침범연구。이류산려위범액정화제，통과공제범액정화과정온도、산도등공예조건，득도우질、고농도침범원액；침범과정중，통과공제범액pH치、가안계수、가산온도등득도합격적우질범산안。응용고농도침범공예후，둔범강저신수소모10 m3，감소료침범공서증기급전력소모，증강료산품적경쟁력。
With raw precipitation solution of 25 to 30 g/L as object and acid ammonium salt precipitation method, the vanadium precipitation process is researched for high-concentration vanadium liquid:taking a-luminum sulfate as decontaminant, controlling temperature and acidity in vanadium liquid purification process, high-quality high-concentration raw precipitation solution can be got;the qualified high-quality ammonium vanadate can be got in the process by controlling pH value of vanadium liquid, ammonium adding coefficient and acid adding temperature.With the above process, the clean water consumption per ton of va-nadium is reduced by 10 m3 , vapor and electricity consumption decreased.
