"Study on recovery of cobalt metal from secondary lithium batter
「"Study on recovery of cobalt metal from secondary lithium batter」於資料集「EPQSummary_WasteManagement」由單位「行政院環境保護署」的郭先生所提供，聯繫電話是02-2311-7722 EXT.2399，最近更新時間為：2022-01-15 01:13:53。 欄位Project Title的內容是"Study on recovery of cobalt metal from secondary lithium battery by modified amine extractant combined with acid leaching" ， 欄位Project Subject的內容是"With development in high-tech industry and electronic products have made recycling electronic waste one of the most important issues worldwides. Many researches focus on the recovery of waste battery using the phosphorus extractant for selective separation of valuable metals. This study aims to develop the amine-based extractant for recycling Co in lithium-ion batteries. In this study, the cathode materials after NaOH soaking and calcination were dissolved within 2 M sulfuric acid under 20 g/L solid loading, 2 vol% of H2O2 as reducing agent at 60 °C for 60 min. The acid dissolution rate of cobalt assisted with ultrasound attained 70.67%. Then, the extraction of metals from the acid liquid were conducted using TOA and Aliquat 336 amine-based extractants. The extracting parameters include pH, extraction time and molar ratio of extractant. The extracting efficiency of cobalt using TOA as extractant from 8M HCl and 2M H2SO4 reaches 97.24% at pH 4, molar ratio = 1 in 20 min. Results of electrolysis showed that the current efficiency of recovering Co metal on the cathode attained around 30% under a constant current 15 mA/cm2 within 2 hours. Further, removal efficiencies of Co, Mn and Ni reached 100% in 6 h. Since the reduction rate of Co is greater than that of Ni, the electrodeposition time was suggested to be 150 min, at which the recovery of Co and Ni were 85% and 60%, respectively, to increase the purity of Co metal. Almost 100% of Mn was removed as manganese dioxide over the anode surface. Under the low current density of 5 mA/cm2 the purity of cathodic Co metal was 99.7%; as increasing the current density to 15 mA/cm2, Co metal coule be still properly recovered with a purity as high as 98% ." ， 欄位Project Year的內容是2019 ， 欄位Organizer的內容是"Recycling Fund Management Board" ， 欄位Executive Unit的內容是"國立中山大學" ， 欄位Reporting download URL的內容是https://epq.epa.gov.tw/project/filedownload.aspx?fid=203554 ， 欄位Publish Date的內容是20200110 。
Project Title
"Study on recovery of cobalt metal from secondary lithium battery by modified amine extractant combined with acid leaching"
Project Subject
"With development in high-tech industry and electronic products have made recycling electronic waste one of the most important issues worldwides. Many researches focus on the recovery of waste battery using the phosphorus extractant for selective separation of valuable metals. This study aims to develop the amine-based extractant for recycling Co in lithium-ion batteries. In this study, the cathode materials after NaOH soaking and calcination were dissolved within 2 M sulfuric acid under 20 g/L solid loading, 2 vol% of H2O2 as reducing agent at 60 °C for 60 min. The acid dissolution rate of cobalt assisted with ultrasound attained 70.67%. Then, the extraction of metals from the acid liquid were conducted using TOA and Aliquat 336 amine-based extractants. The extracting parameters include pH, extraction time and molar ratio of extractant. The extracting efficiency of cobalt using TOA as extractant from 8M HCl and 2M H2SO4 reaches 97.24% at pH 4, molar ratio = 1 in 20 min. Results of electrolysis showed that the current efficiency of recovering Co metal on the cathode attained around 30% under a constant current 15 mA/cm2 within 2 hours. Further, removal efficiencies of Co, Mn and Ni reached 100% in 6 h. Since the reduction rate of Co is greater than that of Ni, the electrodeposition time was suggested to be 150 min, at which the recovery of Co and Ni were 85% and 60%, respectively, to increase the purity of Co metal. Almost 100% of Mn was removed as manganese dioxide over the anode surface. Under the low current density of 5 mA/cm2 the purity of cathodic Co metal was 99.7%; as increasing the current density to 15 mA/cm2, Co metal coule be still properly recovered with a purity as high as 98% ."
Project Year
2019
Organizer
"Recycling Fund Management Board"
Executive Unit
"國立中山大學"
Reporting download URL
Publish Date
20200110
「"Study on recovery of cobalt metal from secondary lithium batter」所屬的資料集：「EPQSummary_WasteManagement」的其他資料
Project Title：
"The Third-party Inspection and Certification on Waste Information Technology appliances and Electri
Project Subject：
"From January 1, 2017 to December 31, 2018, the totally certificated amount of waste electronic and
Project Year：
2017
Organizer：
"Recycling Fund Management Board"
Project Title：
"The 2018 Project to Promote Restriction on Over-Packaging for Products"
Project Subject：
"The implementation of this project began on May 2 and will end on December 31, 2018. The relative r
Project Year：
2018
Organizer：
"Department of Waste Management"
Project Title：
"Project on improvement of waste home appliance and IT equipment treatment technology and material c
Project Subject：
"To strengthen the performance of e-waste recycling management, in this project, we completed the ta
Project Year：
2018
Organizer：
"Recycling Fund Management Board"
Project Title：
"Guidance and bookkeeping examination of designated responsible manufacturing/import enterprises wit
Project Subject：
"The main objective of this project was to strengthen supervision over various types of announcement
Project Year：
2015
Organizer：
"Recycling Fund Management Board"
Project Title：
"Project of environmental standard and application for inorganic recycled materials"
Project Subject：
"In order to promote the environmental standards and application of inorganic recycled materials, th
Project Year：
2021
Organizer：
"Department of Waste Management"
Project Title：
"Hydrothermal conversion of scrap tire to activated carbon for mercury vapor."
Project Subject：
"This project joint to prepare and to characterize activated carbon hydrothermally converted from sc
Project Year：
2017
Organizer：
"Recycling Fund Management Board"
Project Title：
"The waste container recycling system management and regeneration value enhancement project."
Project Subject：
"The results of project implementation are summarized as following:The project completed the distrib
Project Year：
2019
Organizer：
"Recycling Fund Management Board"
Project Title：
"The planning for better use of inorganic recycled aggregate in public construction projects"
Project Subject：
"The purpose of this project is to develop a plan for better use of inorganic recycled aggregate in
Project Year：
2018
Organizer：
"Department of Waste Management"
Project Title：
"2016 Taipei City Project of Recycling Appearance Trasformation and Property Management"
Project Subject：
"2016 Taipei City Project of Recycling Appearance Trasformation and Property Management"
Project Year：
2016
Organizer：
"Department of Environmental Protection, Taipei City Government"
Project Title：
"The Feasibility Assessment and Preliminary Planning Project on Chiayi City Food Waste Reuse Facilit
Project Subject：
"To determine the kitchen waste production and its processing and end-use channels, this project con
Project Year：
2019
Organizer：
"Environmental Protection Bureau, Chiayi City"
Project Title：
"Supervised planning of Processing, Disposal and Subsequent Using of the General Waste in 2019."
Project Subject：
"This project contains four main tasks:1.monitor and supervise the quality of reusing recycled aggre
Project Year：
2019
Organizer：
"Environmental Protection Bureau Yunlin County"
Project Title：
"Develop the system of IoT auto-monitor and verification management to the waste tire recycler"
Project Subject：
"Most of fire incidents in waste tire recycler had happened in the non-auditing and certification pe
Project Year：
2021
Organizer：
"Recycling Fund Management Board"
Project Title：
"Project to Establish the Function of Self-Checking Baseline Data of Source Waste ＆ to Promote the I
Project Subject：
"This project aims at optimizing the existing Industrial Waste Disposal Plan (IWDP), simplifying its
Project Year：
2021
Organizer：
"Department of Waste Management"
Project Title：
"Project for Management and Appraisal Work of Refuse Incineration Plants and Public-owned Landfills"
Project Subject：
"A. Refuse Incineration Plant Portion
In order to ensure the effective supervision of the management
Project Year：
2019
Organizer：
"Bureau of Environmental Inspection"
Project Title：
""
Project Subject：
"The total amount of kitchen waste in Taiwan is 2,000 tons/day. Usually, kitchen waste was utilized
Project Year：
2014
Organizer：
"Bureau of Environmental Inspection"
Project Title：
"Project of promoting low carbon clearance and planning complementary measures on introducing biofue
Project Subject：
"In order to maintain the effectiveness of replacing refuse collection vehicles in the past years, t
Project Year：
2014
Organizer：
"Department of Waste Management"
Project Title：
"Bookkeeping examination of responsible enterprises to the manufacturing /import volume of articles
Project Subject：
"This project is for examination into bookkeeping of responsible enterprises with relation to volume
Project Year：
2014
Organizer：
"Recycling Fund Management Board"
Project Title：
"image limproving"
Project Subject：
"Recycling system for the jurisdiction in Kaohsiung, community and individual operators such as the
Project Year：
2014
Organizer：
"Environmental Protection Bureau Kauhsiung City Government"
Project Title：
"Project of reviewing safety facilities for refuse collection and renewing low carbon refuse trucks"
Project Subject：
"This project carried out from April 18, 2019 to December 31, 2019. The implementation results of th
Project Year：
2019
Organizer：
"Bureau of Environmental Inspection"
Project Title：
"The Project of Sustainable Material Management Utilization and Improvement Measures for Waste Tire
Project Subject：
"This project is to investigate, analyze and evaluate the sustainable material management utilizatio
Project Year：
2018
Organizer：
"Recycling Fund Management Board"
Project Title：
"2019 Recycling Project Plan of Chiayi City"
Project Subject：
"To continue promoting the work of resources recycling, the Environmental Protection Bureau, Chiayi
Project Year：
2019
Organizer：
"Environmental Protection Bureau, Chiayi City"
Project Title：
"Agricultural and medical waste disposal management project"
Project Subject：
"This project assists the Environmental Protection Agency in conducting surveys and counselling visi
Project Year：
2021
Organizer：
"Department of Waste Management"
Project Title：
"Resource Recycling Work Plan of Pingtung County in 2018"
Project Subject：
"The work team implemented the Resource Recycling Work Plan of Pingtung County in 2018. The resource
Project Year：
2018
Organizer：
"Environmental Protection Bureau, Pingtung County"
Project Title：
"Maintenance and Application of Industrial Waste Management Information System of 2020"
Project Subject：
"This project assisted the Environmental Protection Administration in promoting activities concernin
Project Year：
2020
Organizer：
"Department of Waste Management"
Project Title：
"Project for Assisting the Executive Agencies of this Country in Reinforcing Resource Recycling ,201
Project Subject：
" This plan was being executed between August 21, 2014 and late June of 2015. The main goal was t
Project Year：
2014
Organizer：
"Recycling Fund Management Board"
Project Title：
"Project on Improvement of Industrial Waste Recycling Management"
Project Subject：
"There are four main parts for this year’s project: （1） to improve the industrial waste recycling ma
Project Year：
2016
Organizer：
"Department of Waste Management"
Project Title：
"Management and Guidance for recycle and treatment business enterprises and subsidy approval and pro
Project Subject：
"The main aspect in this project was to assist the Environmental Protection Administration in the ap
Project Year：
2015
Organizer：
"Recycling Fund Management Board"
Project Title：
"Development of key materials recycling and pollution control technologies for waste Lithium-Cobalt
Project Subject：
"This research cooperated with UWin Nanotech Co., Ltd. to recover, separate and purify lithium and c
Project Year：
2021
Organizer：
"Recycling Fund Management Board"
Project Title：
"Project of Auditing ＆ Certification Group on Regulated Recyclable Waste(Waste Electronic and Electr
Project Subject：
"For the recycled items audit recognized organization (recycled electronic items and wasteful materi
Project Year：
2015
Organizer：
"Recycling Fund Management Board"
Project Title：
"The Reduction Planning and Promoting Project for Plastic Shopping Bags, Disposable Tableware, Takea
Project Subject：
"The project was executed between March 11th and December 31st, 2019. Among its key objectives were
Project Year：
2019
Organizer：
"Department of Waste Management"
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