松香歧化钯炭催化剂Pd回收工艺  

Pd recovery process of rosin disproportionated palladium carbon catalyst

作　　者：陈广流 朱江 曹静 陈震秋 倪玉峰 张杰 张佩祥 Chen Guangliu;Zhu Jiang;Cao Jing;Chen Zhenqiu;Ni Yufeng;Zhang Jie;Zhang Peixiang(GPRO New Materials Co.,Ltd.,Nanjing 210047,China)

机构地区：[1]金浦新材料股份有限公司,江苏南京210047

出　　处：《炼油与化工》2023年第6期21-28,共8页Refining And Chemical Industry

摘　　要：歧化松香酸钾皂是合成丁苯橡胶的乳化剂,用量为丁苯橡胶乳液重量的10%,松香歧化反应所用的钯炭催化剂用量为歧化松香酸钾皂重量的1.5%。Pd是1种非常稀有的贵金属元素,在松香歧化反应后,失活的钯炭催化剂中钯含量为2%~3%。自然界中没有纯钯矿,只有Pd-Au共生矿,Pd产出率只有Au产出率的0.05%,世界上仅有南非、俄罗斯等少数几个国家出口贵金属Pd。基于此,从废弃钯炭催化剂中回收和利用贵金属Pd变得意义重大。The usage of disproportionated potassium rosinate soap,which was an emulsifier for synthesis of butadiene styrenerubber,accounted for 10%of the weight of the butadienestyrene rubber emulsion and the usage of Pd-carbon catalyst used in the rosin disproportionation reaction accounted for 1.5%of the weight of disproportionated potassium rosinate soap.Pd is a very rare precious metal element.After rosin disproportionation,the content of Pd in the deactivated palladium-carbon catalyst was 2%~3%.There was no pure palladium ore in nature.Pd production rate in Pd-Au symbiosisisonly accounted for 0.05%of Au production rate,and only a few countries in the world such as South Africa and Russia exported precious metal Pd.Based on this,the recovery and utili⁃zation of precious metal Pd from waste palladium-carbon catalysts became significant.

关 键 词：松香 歧化 催化剂 Pd回收 工艺 

分 类 号：X78[环境科学与工程—环境工程]