| abstract |
The invention discloses a kind of high tellurium copper Slag treatment methods, include the following steps：（1）Ball milling；（2）Acidification；（3）Weak-acid leaching；（4）Heavy bismuth；（5）Heavy copper；（6）High acidic oils；（7）Recycle gold, silver, lead；（8）Solution replacement；（9）Heavy antimony；（10）Soak tellurium；（11）Purification；（12）Neutralize heavy tellurium；（13）Electrolysis carries tellurium.Method using the present invention can clean copper ashes, efficient process, the precious metals such as synthetical recovery gold, silver, tellurium, antimony, bismuth, copper fundamentally solve the problems such as conventional method technique is backward, comprehensive utilization is poor, metal recovery rate is low, environmental pollution is serious. |