松香歧化钯炭催化剂Pd回收工艺

浏览(155) 下载(2)

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

作者单位:: 金浦新材料股份有限公司，江苏南京 210047
GPRO New Materials Co.，Ltd.，Nanjing 210047，China

关键词:: 松香；歧化；催化剂；Pd回收；工艺
rosin；disproportionation；catalyst；Pd recovery；process

摘要:: 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。

Abstract: 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.