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with different valences in spent catalysts before and after microwave treatment 废催化剂经过碱性浸出,钒,钼和少部分铝被浸出提取,过滤后的不溶物为富含镍和铝的原料,可采用酸浸工艺进行回收,由于非本研究主要工序,此处不详细讲述. 钒萃取工序:首先采用调节pH值的方法进行溶液的净化除杂,由于共沉淀的原因,原料中3.63... petrochemical catalysts in China[J]. China Resources Comprehensive Utilization, 2015, 33(6): 38-42. [2] MA Z Y, LIU Y, ZHOU J K, et al. Recovery of vanadium and molybdenum from spent petrochemical catalyst......
有机硅偶联剂合成中废催化剂铂含量的测定谢芳琴1,2,董占能3,吴立生4,陈宇航3(1.湖北省荆州市长江大学化学与环境工程学院2.云南省昆明市昆明理工大学环境科学与工程系3.昆明理工大学 环境科学与工程学院,昆明 6500934.云南大学 分析测试中心,昆明 650093)摘 要:有机硅偶联剂合成过程中产生的废催化剂成分复杂,其中铂含量的确定对研究催化剂的性能和回收有重要的影响.研究改进光度法对该废催化剂中铂的含量进行分析,结果表明此方法是简便高效的分析方法.关键词:分析化学; 铂; 光度法; 有机......
, ZHANG Wei, YANG Ji, QIU Zhao-fu, CAO Li-mei. Review of the recycling of spent automotive three-way catalysts[J]. Environmental Pollution & Control, 2015, 34(4): 77-82. [7] 董海刚, 赵家春, 陈家林, 范兴祥, 付光强, 杨海... converters in electro refining process[J]. Metalurgija, 2013, 52(2): 219-222. [9] DONG H G, ZHAO J C, CHEN J L, WU Y D, LI B J. Recovery of platinum group metals from spent catalysts: A review[J......
, 2006, 16(2): 363-369. HUANG Kun, CHEN Jing, CHEN Yi-ran, ZHAO Jia-chun, LI Qi-wei, YANG Qiu-xue. Recovery of precious metals from spent auto-catalysts by method of pressure alkaline treatment-cyanide..., WANG Huo-yin, BI Xiang-guang, YANG Jin-fu, LU Feng. Recovery of platinum group metals and valuable metals from spent automotive catalysts by "Double Hydrometallurgical Method"[J]. Precious Metals......
(6): 38-42. LIU Jian, QIU Zhao-fu, YANG Ji, CAO Li-mei, ZHANG Wei. The comprehensive utilization of spent petrochemical catalysts in China[J]. China Resources Comprehensive Utilization, 2015, 33(6): 38-42. [2] AKCIL A, VEGLIO F, FERELLA F, OKUDAN M D, TUNCUK A. A review of metal recovery from spent petroleum catalysts and ash[J]. Waste Management, 2015, 45: 420-433. [3] LI Z, CHEN M, ZHANG Q, LIU......
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; 文献标识码: A Recovery of precious metals from spent auto-catalysts...) Abstract: Recovery of platinum group metals from spent auto-catalysts by pressure alkaline treatment-cyanide leaching was investigated. Influences of changing parameters of process of pressure alkaline......
increased but the Na content decreased. Key words: biomass material; spent shiitake substrate; modification; adsorption; heavy metal; Cu2+ 1 Introduction Heavy metals as raw materials or catalysts... Beijing, Beijing 100083, China Received 23 April 2014; accepted 13 July 2014 Abstract: Cu2+ adsorption from simulated aqueous solution was investigated using a modified spent shiitake substrate (MSSS......
Cerium and Lanthanum Modified Pd/Al2O3 Catalysts for Methanol Decomposition 孙予罕1,任杰1,杨成1 (1.State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences.... The selectivity of CO and H2 is significantly improved by addition of La2O3 to either Pd/Al2O3 or Pd/CeO2/Al2O3 catalysts. Moreover, a synergistic promotion between CeO2 and La2O3 on γ-Al2O3 supported Pd catalysts......