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Ion exchange in birnessite 硼钛矿中的离子交换
Land Contamination & Reclamation Pub Date : 2007-10-01 DOI: 10.2462/09670513.878
L. Al-Attar, A. Dyer
{"title":"Ion exchange in birnessite","authors":"L. Al-Attar, A. Dyer","doi":"10.2462/09670513.878","DOIUrl":"https://doi.org/10.2462/09670513.878","url":null,"abstract":"Ion exchange isotherms for the sodium form of birnessite, a layered manganese oxide common in soils, were determined using isotope dilution analysis, by employing 22 Na to pre-label the solid. The results were represented by plotting the equivalent ionic fraction of an entering cation in the ion exchanger versus the equivalent ionic fraction of the entering cation remaining in solution. Studying these ion exchange isotherms for sodium-univalent (i.e. NH4–Na, Li–Na, K–Na, and Cs–Na) and sodium-divalent pairs (Mg–Na, Ca–Na, Sr–Na and Ba–Na) on 22 Na-birnessite made it possible to obtain a clear picture of the exchangeable sites available in birnessite. The isotherms also gave an estimation of the effect of cations likely to be present in aqueous environments on the uptake of the fission product radioisotopes of caesium and strontium onto soils.","PeriodicalId":336428,"journal":{"name":"Land Contamination & Reclamation","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125752877","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 11
In situ transformation of labile lead compounds to pyromorphites 不稳定铅化合物向焦闪石的原位转化
Land Contamination & Reclamation Pub Date : 2007-10-01 DOI: 10.2462/09670513.859
J. Yang, B. Deng, Y. Li, C. Zhang
{"title":"In situ transformation of labile lead compounds to pyromorphites","authors":"J. Yang, B. Deng, Y. Li, C. Zhang","doi":"10.2462/09670513.859","DOIUrl":"https://doi.org/10.2462/09670513.859","url":null,"abstract":"","PeriodicalId":336428,"journal":{"name":"Land Contamination & Reclamation","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114077761","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Surface tailings storage, discharge and water control 地表尾矿的贮存、排放及水质控制
Land Contamination & Reclamation Pub Date : 2007-10-01 DOI: 10.2462/09670513.880
D. Dixon-Hardy, J. Engels
{"title":"Surface tailings storage, discharge and water control","authors":"D. Dixon-Hardy, J. Engels","doi":"10.2462/09670513.880","DOIUrl":"https://doi.org/10.2462/09670513.880","url":null,"abstract":"","PeriodicalId":336428,"journal":{"name":"Land Contamination & Reclamation","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114527960","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The influence of paving-block shape on the infiltration capacity of permeable paving 铺装块形状对透水铺装渗透能力的影响
Land Contamination & Reclamation Pub Date : 2007-07-01 DOI: 10.2462/09670513.855
D. Fresno, N. González-Angullo, J. R. Hernández, M. A. Pérez
{"title":"The influence of paving-block shape on the infiltration capacity of permeable paving","authors":"D. Fresno, N. González-Angullo, J. R. Hernández, M. A. Pérez","doi":"10.2462/09670513.855","DOIUrl":"https://doi.org/10.2462/09670513.855","url":null,"abstract":"This paper reports on an investigation into the effects of the shape of concrete paving blocks used in permeable pavements. It describes a series of hydraulic performance tests on blocks with different drainage slot geometries, in order to determine their influence on infiltration capacity. Paving samples were tested in a purpose-designed laboratory rig consisting of a variable-gradient testing frame, rain simulator and water-collecting chambers. The apparatus allowed for slope variations and two inputs of water: input runoff and direct rainfall over the surface. Four differently shaped slotted concrete blocks were tested under three different clogging states and four gradients. The results obtained lead to initial conclusions about the influence of block geometry on the hydraulic performance of paving which have implications for pavement design.","PeriodicalId":336428,"journal":{"name":"Land Contamination & Reclamation","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114997579","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 15
Underground disposal of mining tailings by hydraulic conveyance - a proven, sustainable alternative for the potash industry 通过水力输送对采矿尾矿进行地下处理-钾肥工业的一种经过验证的、可持续的替代方案
Land Contamination & Reclamation Pub Date : 2007-07-01 DOI: 10.2462/09670513.788
G. Riddler
{"title":"Underground disposal of mining tailings by hydraulic conveyance - a proven, sustainable alternative for the potash industry","authors":"G. Riddler","doi":"10.2462/09670513.788","DOIUrl":"https://doi.org/10.2462/09670513.788","url":null,"abstract":"","PeriodicalId":336428,"journal":{"name":"Land Contamination & Reclamation","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129955386","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Short-term soil development in a clay soil-forming material used as a landfill restoration cap: a case study 短期土壤发展的粘土成土材料用作垃圾填埋场修复帽:一个案例研究
Land Contamination & Reclamation Pub Date : 2007-07-01 DOI: 10.2462/09670513.673
A. Gregory, A. Vickers
{"title":"Short-term soil development in a clay soil-forming material used as a landfill restoration cap: a case study","authors":"A. Gregory, A. Vickers","doi":"10.2462/09670513.673","DOIUrl":"https://doi.org/10.2462/09670513.673","url":null,"abstract":"Time is one of the principal factors affecting soil formation, as it controls the extent to which natural processes convert soil-forming materials (SFMs) into media suitable for sustaining vegetation growth. This becomes especially important for land restoration projects where SFMs have to be used in the absence of soil material. This paper examines short-term soil development in a clay SFM used as a landfill restoration cap by characterizing SFMs on an operational site that were restored at different points in time. SFMs that had been in situ for ten years since restoration retained less water at near-saturation and had a greater degree of aggregation. Organic matter (OM) and microbial biomass contents also tended to be greater in older-restored SFMs. Vegetation type appeared to control nitrogen (N) and respiration, and the sowing of legumes may be especially important where SFMs are used as soil substitutes. The results suggest that soil development in the SFM was indeed controlled by time, especially when compared with recent allied studies examining the use of soil amendments at the same site. The enhancement of the biological status proceeded at a faster rate than structure improvement. Within a ten-year period of restoration, a soil material capable of supporting acceptable vegetation growth appeared to have developed on the site. Nevertheless, land restoration targets should be set with the important soil-forming factor of time in mind.","PeriodicalId":336428,"journal":{"name":"Land Contamination & Reclamation","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121253923","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Methods for the disposal and storage of mine tailings 矿山尾矿的处置和贮存方法
Land Contamination & Reclamation Pub Date : 2007-07-01 DOI: 10.2462/09670513.832
D. Dixon-Hardy, J. Engels
{"title":"Methods for the disposal and storage of mine tailings","authors":"D. Dixon-Hardy, J. Engels","doi":"10.2462/09670513.832","DOIUrl":"https://doi.org/10.2462/09670513.832","url":null,"abstract":"","PeriodicalId":336428,"journal":{"name":"Land Contamination & Reclamation","volume":"67 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114823664","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 9
Bioremediation of arsenic toxicity by algae in rice culture 水稻栽培中藻类对砷毒性的生物修复
Land Contamination & Reclamation Pub Date : 2007-07-01 DOI: 10.2462/09670513.831
S. Huq, Ma Abdullah, J. Joardar
{"title":"Bioremediation of arsenic toxicity by algae in rice culture","authors":"S. Huq, Ma Abdullah, J. Joardar","doi":"10.2462/09670513.831","DOIUrl":"https://doi.org/10.2462/09670513.831","url":null,"abstract":"","PeriodicalId":336428,"journal":{"name":"Land Contamination & Reclamation","volume":"64 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128624394","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 25
Enhancement of hardpan formation by amending sulphidic tailings with limestone or fly ash 用石灰石或粉煤灰对含硫尾矿进行改性，增强硬盘形成
Land Contamination & Reclamation Pub Date : 2007-07-01 DOI: 10.2462/09670513.697
A. Xenidis, E. Mylona, Ad Harokopou
{"title":"Enhancement of hardpan formation by amending sulphidic tailings with limestone or fly ash","authors":"A. Xenidis, E. Mylona, Ad Harokopou","doi":"10.2462/09670513.697","DOIUrl":"https://doi.org/10.2462/09670513.697","url":null,"abstract":"","PeriodicalId":336428,"journal":{"name":"Land Contamination & Reclamation","volume":"81 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128454022","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
High-concentration hydraulic transport of tailings 高浓度尾矿水力输送
Land Contamination & Reclamation Pub Date : 2007-04-01 DOI: 10.2462/09670513.853
József Bőhm, Á. Debreczeni, J. Faitli, Imre Gombkoto, T. Meggyes
{"title":"High-concentration hydraulic transport of tailings","authors":"József Bőhm, Á. Debreczeni, J. Faitli, Imre Gombkoto, T. Meggyes","doi":"10.2462/09670513.853","DOIUrl":"https://doi.org/10.2462/09670513.853","url":null,"abstract":"","PeriodicalId":336428,"journal":{"name":"Land Contamination & Reclamation","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114575670","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
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