Sichuan Jinlu Group Co.,Ltd.(SZ:000510)announced on April 23rd that the board of directors of the com-pany has passed the motion of launching an environ-mental protection comprehensive control project-400000t/a calciu...Sichuan Jinlu Group Co.,Ltd.(SZ:000510)announced on April 23rd that the board of directors of the com-pany has passed the motion of launching an environ-mental protection comprehensive control project-400000t/a calcium carbide residue to cement clinker.展开更多
以电石渣为原料、氯化铵溶液为浸取剂、碳酸铵溶液为碳酸化试剂、柠檬酸为晶形控制剂,采用液相法制备了高纯度的纳米级碳酸钙。考察了多种因素对反应的影响,通过 X 射线衍射仪和扫描电子显微镜对制得的碳酸钙进行表征。确定了最佳的工...以电石渣为原料、氯化铵溶液为浸取剂、碳酸铵溶液为碳酸化试剂、柠檬酸为晶形控制剂,采用液相法制备了高纯度的纳米级碳酸钙。考察了多种因素对反应的影响,通过 X 射线衍射仪和扫描电子显微镜对制得的碳酸钙进行表征。确定了最佳的工艺条件:碳酸化过程浸出液 Ca^(2+)浓度为0.6 mol/L,柠檬酸与碳酸钙质量比为0.03,碳酸化反应温度为12℃。制得的碳酸钙粒径为40～60 nm,为纯净的方解石型晶型。展开更多
文摘Sichuan Jinlu Group Co.,Ltd.(SZ:000510)announced on April 23rd that the board of directors of the com-pany has passed the motion of launching an environ-mental protection comprehensive control project-400000t/a calcium carbide residue to cement clinker.
