Cobalt Recovery from Waste Catalysts (Petroleum Refining
A hydrometallurgical process has been developed for cobalt recovery from a waste catalyst (petroleum refining Indus- try). This waste catalyst containing about 2.18 weight of Co is highly contaminated by Mg Al Si Ca Fe Ni Cu Zn Mo.
Chat OnlineRecovery of metal values from spent petroleum catalyst
Recovery of metal values from spent petroleum catalyst using leaching-solvent extraction technique Debaraj Mishra G. Roy Chaudhury Dong J. Kim Jong G. Ahn a ABSTRACT Leaching-solvent extraction process was developed to recover metal values from spent petroleum catalyst
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Hennion FJ. Availability of precious metals from spent catalysts. Platinum group metalsan in depth view of the industry. Williamsburg VA USA IPMI Seminar 1983. 47 Meng X Han KN Recovery of platinum and palladium from spent automobile catalytic converters by leaching with solutions containing halogen salts ammonium and oxidants.
Chat OnlineTreatment and Reuse of Spent Hydrotreating Catalyst
May 20 2008 · The selective recovery of Mo Ni and Al from the spent catalyst was processed well by the aid of acid leaching and gave metal recovery as metal salts. Therefore this work can provide a complete solution to the environmental problem of spent hydroprocessing catalysts in a profitable way.
Chat OnlineMODELING AND OPTIMIZATION OF BIOLEACHING
5. Asghari I. and S. M. Mousavi. "Effects of key parameters in recycling of metals from petroleum refinery waste catalysts in bioleaching process."Reviews in Environmental Science and Bio/Technology 13.2 (2014) . 6. Beolchini F. et al. "Metal recovery from spent refinery catalysts
Chat OnlineRecovery of vanadium and molybdenum from spent
Abstract The study of the leaching of vanadium (V) and molybdenum (Mo) from spent petrochemical catalysts in sodium hydroxide (NaOH) medium was performed using two approaches namely conventional leaching and microwave-assisted leaching methods.The influence of microwave power leaching time leaching temperature and NaOH concentration on the leaching efficiency of spent
Chat OnlineMetal recovery from end‐of‐life hydrotreating catalysts by
Hydrotreating catalysts (HTCs) are a waste byproduct of the petroleum refining industry. The recovery of intrinsic and sorbed metals from spent catalysts is desirable for meeting environmental disp
Chat OnlineRECLAIMING OF METALS CONTAINED IN SPENT CATALYSTS
Disposal of spent catalysts is a growing concern for the petroleum refining petrochemical and chemical industries. Environmental regulations are becoming stricter and stricter and the complet recycling of metals contained in spent catalysts is the best long term method for facing this problem.
Chat OnlineUSB2Recovery of platinum group metalsGoogle
This invention relates to the recovery of platinum group metals and more particularly to the recovery of platinum group metals from various sources by roasting the source material with one or more of sulfuric acid a sulfate and/or a bi-sulfate and with one or more halogen salt. The roasted product is put in contact with a leaching solution to dissolve at least a portion of the platinum
Chat OnlineRecovering Precious Metals From Spent CatalystsSabin
Apr 25 2017 · A continuous catalyst system produces consistent reproducible statistically valid samples that represent—as accurately as possible multi-ton lots of spent catalysts. To assure highest possible recovery of PGMs 100 of spent catalysts must be sampled in order to achieve an accurate analysis. This is an important consideration.
Chat OnlineRECLAIMING OF METALS CONTAINED IN SPENT CATALYSTS
Disposal of spent catalysts is a growing concern for the petroleum refining petrochemical and chemical industries. Environmental regulations are becoming stricter and stricter and the complet recycling of metals contained in spent catalysts is the best long term method for facing this problem.
Chat OnlineRecovery of metal values from spent petroleum catalyst
Recovery of metal values from spent petroleum catalyst using leaching-solvent extraction technique Debaraj Mishra G. Roy Chaudhury Dong J. Kim Jong G. Ahn a ABSTRACT Leaching-solvent extraction process was developed to recover metal values from spent petroleum catalyst
Chat Online(PDF) Metal recovery from spent refinery catalysts by
Metal recovery from spent refinery catalysts by means of biotechnological strategies Francesco Ferella IntroductionSpent hydroprocessing catalysts contain middle-high concentration of base valuable metals such as nickel (Ni) vanadium (V) and molybdenum (Mo) they represent a large amount of refinery solid waste and have been classified as
Chat OnlineA Review of The Valorisation and Management of Industrial
establishment of valorisation industries for metal and chemical recovery. This will also create a sustainable practice within state borders and can reduce the environmental impact of landfilling such waste in Kuwait. Keywords Spent catalysts Industrial Waste Hydrometallurgical treatment Extraction Waste management.
Chat OnlineWaste Management In Petroleum Refinery Spent Catalyst
Several achievable routes such as metals recovery rejuvenation and reuse treatment to produce active new catalysts and other useful materials have been studied by refiners to handle the spent catalyst problem 3 . 1.2 Problem Statement Recovery of metals and other valuable products from spent catalysts is a smart option.
Chat OnlineRecovery and Then Individual Separation of Platinum
Recovery of PGMs (especially rhodium platinum and palladium) from different spent manufactured products (like catalytic converters) is considered as an important task as they are rarely found in nature and they possess high economic value. In this work the honeycomb of a car catalytic converter was primarily processed by crushing grinding and then treating in a hydrogen atmosphere.
Chat OnlineRecovery of Vanadium and Molybdenum from Spent Petroleum
Vanadium and molybdenum are recovered from spent petroleum PEMEX catalyst in the form of sodium vanadate and molybdate by leaching with aqueous NH 3 or NaOH solutions after preliminary treatment of catalyst with CS 2 or organic solvents.
Chat OnlineSeparation of Al(III) Mo(VI) Ni(II) and V(V) from model
Apr 19 2020 · In order to recover valuable metals such as molybdenum vanadium nickel and aluminum from spent petroleum catalysts a hydrometallurgical process consisting of leaching followed by solvent extraction was developed in the present work.
Chat OnlineRecovery of metal values from spent petroleum catalyst
Recovery of metal values from spent petroleum catalyst using leaching-solvent extraction technique Debaraj Mishra G. Roy Chaudhury Dong J. Kim Jong G. Ahn a ABSTRACT Leaching-solvent extraction process was developed to recover metal values from spent petroleum catalyst
Chat OnlineHandbook of Spent Hydroprocessing Catalysts1st Edition
NEW CATALYSTS FROM SPENT CATALYSTS 9.1. Petroleum Applications 9.1.1. Reprocessing 9.1.1.1. Procedure and analysis Metal recovery using electrolytic cells 11.1.6. Metal recovery by applying thermal plasma MARKETS AND PRICE TRENDS FOR METALS IN SPENT HYDROPROCESSING CATALYSTS 12.1. Molybdenum 12.2. Tungsten 12.3. Nickel 12.4. Cobalt
Chat OnlineGladieux Metals Recycling
The petroleum refining industry is a key market for Gladieux Metals Recycling and our refining customers will have confidence that their catalysts will be recycled responsibly. Gladieux has an outstanding reputation in crude and refined product markets and we aim to extend this same level of quality as a presence in the metals reclamation industry.
Chat OnlineRecovery of Nickel from Spent Ni/Al2O3 Catalysts using
Treatment of Spent Nickel Catalyst 2 4 4 2 Recovery of metals and other components from the spent catalysts is possible and the technology for metals reclamation is well established. For catalysts containing Mo Ni Co V and Al 2 O 3 process economics for recovery of the metals are influenced by metals prices metals content
Chat OnlineA review of metal recovery from spent petroleum catalysts
Nov 01 2015 · Spent catalysts are managed through the following approaches (1) chemical or microbial treatment for recovery of valuable metals for different applications (2) regeneration and reuse and (3) landfilling.
Chat Online1 A Review of The Valorisation and Management of
1 1 A Review of The Valorisation and Management of Industrial Spent Catalyst Waste in The Context 2 of Sustainable Practice The Case of The State of Kuwait in Parallel to European Industry 3 S.M. Al-Salem1 A. Constantinou2 3 G.A. Leeke4 S. Hafeez2 T. Safdar2 H.J. Karam1 M. Al-Qassimi1 4 A.T. Al-Dhafeeri5 G. Manos3 U. Arena6 5 1Environment Life Sciences Research Centre Kuwait
Chat OnlineMetal recovery from end‐of‐life hydrotreating catalysts by
Nov 11 2014 · The recovery of intrinsic and sorbed metals from spent catalysts is desirable for meeting environmental disposal regulations as well as for the metal resell value. In this study innovative process schemes for metal recovery from end‐of‐life (i.e. spent) HTCs were tested in laboratory experiments and compared by process analysis.
Chat OnlineA Review of The Valorisation and Management of Industrial
establishment of valorisation industries for metal and chemical recovery. This will also create a sustainable practice within state borders and can reduce the environmental impact of landfilling such waste in Kuwait. Keywords Spent catalysts Industrial Waste Hydrometallurgical treatment Extraction Waste management.
Chat OnlineA Review of The Valorisation and Management of Industrial
establishment of valorisation industries for metal and chemical recovery. This will also create a sustainable practice within state borders and can reduce the environmental impact of landfilling such waste in Kuwait. Keywords Spent catalysts Industrial Waste Hydrometallurgical treatment Extraction Waste management.
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