项目来源
国家重点研发计划(NKRD)
项目主持人
林泓富
项目受资助机构
巴彦淖尔紫金有色金属有限公司
项目编号
2018YFC1900405
立项年度
2018
立项时间
未公开
项目级别
国家级
研究期限
未知 / 未知
受资助金额
3618.00万元
学科
固废资源化
学科代码
未公开
基金类别
未公开
关键词
锌冶炼 ; 还原焙烧 ; 浮选 ; 银 ; 物相 ; 挥发 ; Zinc smelting ; reduction roasting ; flotation ; silver ; phase ; volatilization
参与者
任杰；申开榜
参与机构
未公开
项目标书摘要：本课题针对铁矾渣/铅银渣中各类有价金属普遍赋存的现状，拟开发铁矾渣/铅银渣选冶联合的源头减量技术，解析铁矾渣/铅银渣中各有价组分的赋存状态、物相定量及微观结构，揭示不同组分构效关系与高效回收的关联性；开发铅银渣中银的高效浮选分离关键技术；揭示铁矾渣/铅银渣中有价金属组分的还原—挥发—浸出规律，开发有价金属定向分离富集的成套关键技术；开发还原渣中碳、铁的分离富集关键技术，实现尾渣近零排放。开发铁矾渣/铅银渣联合的源头减量技术，实现多金属高效回收和全组分资源化利用。实现铁渣源头减排量大于98%,尾渣零排放。建成万吨级示范工程1个，实现稳定运行。目前已完成课题内容为:(1)进行了铁矾渣\\铅银渣文献资料的调研，并对国内主要锌冶炼生产企业的先进技术进行整理，对于整个锌冶炼的流程进行梳理，总结能借鉴的相关经验。(2)进行了铁矾渣预先还原焙烧—浮选流程的研究，确定铁矾渣中银的回收方法。并进行了常规浸出渣银浮选试验，确定回收工艺方案。(3)进行了锌浸出渣焙烧前后银的物相组成变化研究。(4)开展了锌浸出渣钙化氯化挥发新技术探索研究和锌浸出渣—锌铁矿协同处理研究，主要研究锌浸出渣在氯化剂作用下，有价金属铅、锌、铜、银和铟金属氯化挥发。(5)示范工程项目可研、环评、能评、备案等手续已全部办理完毕，后续按照可研及施工方案具体实施。
Application Abstract: In view of the common occurrence of all kinds of valuable metals in alum slag/lead silver slag,this project plans to develop the source reduction technology of alum slag/lead silver slag,analyze the occurrence state,phase quantitative and microstructure of each valuable component in alum slag/lead silver slag,reveal the relationship between the structure-activity relationship of different components and efficient recovery,and develop the key technology of efficient flotation separation of silver in lead silver slag It reveals the law of reduction volatilization leaching of valuable metal components in jarosite slag/lead silver slag,develops a complete set of key technologies for directional separation and enrichment of valuable metals,develops key technologies for separation and enrichment of carbon and iron in reduction slag,and realizes near zero emission of tail slag.The source reduction technology of ferroalum slag and lead silver slag is developed to realize the efficient recovery of multi metals and the utilization of all components.The emission reduction of iron slag at the source is more than 98%,and the discharge of tail slag is zero.One 10000 ton demonstration project has been completed to achieve stable operation.At present,the content of the project has been completed as follows:(1)the research on the literature of jarosite slag/lead silver slag has been carried out,the advanced technology of the main domestic zinc smelting enterprises has been sorted out,the whole zinc smelting process has been sorted out,and the relevant experience that can be used for reference has been summarized.(2)the process of pre reduction roasting flotation of jarosite slag was studied to determine the recovery method of silver in jarosite slag.The silver flotation test of the conventional leaching residue was carried out to determine the recovery process.(3)the phase composition of silver was studied before and after roasting.(4)the new technology of calcification and chlorination volatilization of zinc leach residue and the synergistic treatment of zinc leach residue and zinc iron ore were studied.(5)the procedures for feasibility study,environmental assessment,energy assessment and filing of the demonstration project have been completed,and will be implemented in accordance with the feasibility study and construction plan.
项目受资助省
内蒙古自治区
