Advances in environmental technologies III CiNii Books

Advances in environmental technologies III selected peer reviewed papers from the 2024 3rd International Conference on Energy and Environmental Protection ICEEP 2024 April 26 28 2024 Xi an China edited by Ji Zhao [et al ] （Advanced materials research v 955 959） Trans Tech Publications c2014 [set] Part 1 Part 2 Part 3 Part 4 Part 5

Publication year rev 7978 2024 / Subject cation exchange PubAg

Major uranium U deposits worldwide are exploited by acid leaching known as in situ recovery ISR ISR involves the injection of an acid fluid into ore bearing aquifers and the pumping of the resulting metal containing solution through cation exchange columns for the recovery of dissolved U Rehabilitation of ISR impacted aquifers

Aggregate Evolution Mechanism during Ion Adsorption Rare Earth Ore

The rare earth leaching rate depends on the degree of the chemical exchange and the seepage of the rare earth mother liquor in the ore body This ion adsorption rare earth leaching process includes both analytical and antiadsorption processes The exchange of rare earth cations is performed under dynamic equilibrium conditions

A study of rare earth ion adsorption clays The speciation of rare

Recovery of rare earths from ion absorbed rare earths ore with MgSO 4 ascorbic acid compound leaching agent journal May 2024 Lai Fuguo Huang Li Gao Guohua Journal of Rare Earths Vol 36 Issue 5 DOI /

【】

This paper puts out the reabsorption phenomenon of the rare earth metal ion in the leach mining process in situ in the ion absorbed rare earth metal mine analyzes the cause of the reabsorption of the rare earth metal ion in the leaching stope in situ and the effect of the unsuitable solution injection method to the leach mining in situ and

순번/순위 구분 상품명 ISBN ISBN13 부가기호 출판사/제작사 저자/아티스트 정가 판매가 할인액 할인율 마일리지 출간일 세일즈

Molecular Characterization of Distinct Fungal Communities in the Soil

Nov 27 2021During the leaching process the injection holes are drilled across mining area with about one third of the surrounding ground cleared a diameter of m and a distance of 1 2 m between each hole The leaching solution travels through the soil extracts rare earths and fills the leaching holes

Evaluation of resource and environmental carrying capacity in rare

The indicators with greater weight in the pressure system were the following loss of value and quantity of water due to rare earth element mining > the cost of air pollution control of

Analysis on slow release of residual ammonium in ion absorbed type rare earth tailings Mining Research Laboratory Jiangxi Ionic Rare Earth Engineering Research Co Ltd Ganzhou 341000 China 3 Jiangxi Key Laboratory of Environmental Geotechnology and Engineering Disaster Control Ganzhou 341000 China 4 Civil and Resource

Uranium and thorium Geoscience Australia

Leaders in Earth science data bringing the benefits of space to all Australians Minerals Information regarding mineral and minerals exploration in Australia at national and regional scale mining and land use sustainable development of resources and levels of exploration activity

Soil−water characteristics of weathered crust elution deposited rare

Rare earth is an important mineral resource of worldwide concern and it is praised as the industrial vitamins and industrial gold Weathered crust elution deposited rare earth also known as ion absorbed rare earth is a special mineral resource in southern China [1] In these ores rare earth elements which are adsorbed onto

Developing a Life Cycle Inventory for Rare Earth Oxides from Ion

from in situ leaching of rare earths in the proximity of the mining site and development of the methods used to assess resource extraction Keywords Life cycle assessment In situ leaching Dysprosium Rare earth elements Ion adsorption deposits Introduction Rare earth elements REEs play a key role for green technologies

Georgiana Moldoveanu and Vladimiros Papangelakis

The effect of biodegradable chelating agents on the recovery of rare earth elements REE from clay minerals via ion exchange leaching was investigated with the aim of proposing a cost effective enhanced procedure that is environmentally benign and allows high REE recovery while reducing/eliminating ammonium sulfate usage

Mineral Surfaces ミネラルの

Enhancing the leaching effect of an ion absorbed rare earth ore by ameliorating the seepage effect with sodium dodecyl sulfate surfactant Full Text Clay Mineral Surfaces /

Seepage mechanism during in situ leaching process of weathered crust

To reveal seepage mechanism during in situ leaching process of weathered crust elution deposited rare earth ores with magnesium salt the effects of particle gradation particle migration Atterberg limit on the permeability coefficient were investigated and the relation between the particle size and rare earth content was discussed

Experimental measurements of the permeability characteristics of rare

1 Introduction Ion adsorption type rare earth ore is one of the most precious and rare types of ore in the world and is found in intensely weathered granites in shallow ground 1 5 The in situ leaching mining method is a mature mining technology and utilizes the chemical replacement reaction of the leaching solution in the process of ore body seepage to recover rare earth cations thus

Effect of Particle Size and Solution Leaching on Water Hindawi

Currently ion absorbed rare earth is mainly exploited by in situ leaching In leaching mining solution of salt leaching agent is injected into the clay ore through the injection well thus triggering chemical replacement reaction between ammonium ions in the leaching solution and rare earth ions adsorbed on the clay

The South Ion Absorbed Rare Earth Mine Area Remote Sensing Monitoring

1 Interpretation indexes of Ion absorbed REM area In general the beneficiation technologies of Ion absorbed REM are divided as pond leaching method heap leaching method and in situ leaching method three periods These three technologies have different characters in remote sensing images [6] The essence of Pond leaching method

Subject cation exchange PubAg Search Results

An official website of the United States government Here s how you know

er rare earth ion Topics by

The Not So Rare Educational Resources Information Center Muecke Gunter K Moller Peter 1988 01 01 Describes the characteristics of rare earth elements Details the physical chemistry of rare the history of rare earth chemistry and mineralogy Discusses the mineralogy and crystallography of the formation of rare earth laden minerals found in the earth s crust

ion absorbed rare earth mineral in situ leaching mining and the measure to overcome it[J] Journal of Central South University of Technology 1998 29 6 13−16 [20] WANG L WANG C LI L YANG Y M Readsorption of rare earth elements during leaching process of ion adsorption type rare earth ore[J] Rare Metals 2024

Minerals Engineering International Online Commodities Rare Earths

Jie Liu Xiaohong Wu Kun Huang Wenqian Liu Zhenmin Zhao Huizhou Liu Instability behavior of bubble supported organic liquid membrane in extraction of low concentration rare earths from in situ leaching solutions of ion adsorption ores Minerals Engineering Vol 159 2024

5、uch as the adaptation of the in situ leaching process need improve poor effect on controlling pollution and geological disasters are raised and recovery of low grade ion absorbed rare earth be emphasized Keywords Ion adsorbed type rare Kamitani M Rare earth minerals and resources in the world J Journal of Alloys and

Giant Forest Headlines on One News Page

Visit One News Page for Giant Forest news and videos from around the world aggregated from leading sources including newswires newspapers and broadcast media

CiNii Hydrometallurgy 94 papers presented at the international

Cupertino et al Novel solvent extraction reagents for recovery of zinc from sulphate leach solutions Dalton Quan Recovery of acids and bases used in metal treatment processes by diffusion dialysis Herz C Byszewski M Jaffari Recommended separation processes for ion absorbed rare earth minerals

Microbial communities in rare earth mining soil after in situ leaching

Feb 1 2021In situ leaching technology is now widely used to exploit ion adsorption rare earth ore which has caused serious environmental problems and deterioration of mining soil ecosystems However

Dynamic pore structure evolution of the ion adsorbed rare earth ore

The in situ leaching mining is coupled with the solution seepage and the ion exchange process In this study we focused on the influence of the leaching process on the pore structure of the ore body The research of indoor simulation experiments of the ion absorbed rare earth mineral in situ leach mining J Central South Univ Sci

Rare Earth Elements PROCEEDINGS 2024 PDF Wind Turbine Metals Scribd

The weathered crust elution deposited rare earth ore ion absorbed type rare earth ore in situ leaching has been partly utilized in which the electrolyte solution is directly permeated into ore body underground after removing impurities The industrial categories of rare earth minerals are abundant including bastnaesite

Minerals Special Issue Leaching of Rare Earth Elements from MDPI

Nov 27 2020Because of the refractory nature of these mineral deposits these deposits in general undergo heat treatment often either with sulfuric acid or alkaline to make these deposits amenable to leach in water based solutions Consequently the leaching behavior of these minerals vastly differs based on its prior treatment

GUI Yong LUO Sihai WANG Guanshi et al Calculation of steady seepage flow from single hole injection in in situ leaching mining[J] Journal of Harbin Engineering University 2024 39 4 680 686 DENG Guoqing YANG Youming A review of the mining technologies of ion absorbed rare earth mineral[J] Chinese rare earths 2024 37 3 129