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4683207 Culture monitoring system 4683207文化监控系统
Nuclear and Chemical Waste Management Pub Date : 1988-01-01 DOI: 10.1016/0191-815X(88)90042-3
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引用次数: 0
Enzyme stabilization for pesticide degradation 用于农药降解的酶稳定
Nuclear and Chemical Waste Management Pub Date : 1988-01-01 DOI: 10.1016/0191-815X(88)90074-5
D.B. Rivers, F.R. Frazer III, D.W. Mason, T.R. Tice
{"title":"Enzyme stabilization for pesticide degradation","authors":"D.B. Rivers,&nbsp;F.R. Frazer III,&nbsp;D.W. Mason,&nbsp;T.R. Tice","doi":"10.1016/0191-815X(88)90074-5","DOIUrl":"10.1016/0191-815X(88)90074-5","url":null,"abstract":"<div><p>Enzymes offer inherent advantages and limitations as active components of formulations used to decontaminate soil and equipment contaminated with toxic materials such as pesticides. Because of the catalytic nature of enzymes, each molecule of enzyme has the potential to destroy countless molecules of a contaminating toxic compound. This degradation takes place under mild environmental conditions of pH, temperature, pressure, and solvent. The basic limitation of enzymes is their degree of stability during storage and application conditions. Stabilizing methods such as the use of additives, covalent crosslinking, covalent attachment, gel entrapment, and microencapsulation have been directed toward developing an enzyme preparation that is stable under extremes of pH, temperature, and exposure to organic solvents. Initial studies were conducted using the model enzymes subtilisin and horseradish peroxidase.</p></div>","PeriodicalId":100966,"journal":{"name":"Nuclear and Chemical Waste Management","volume":"8 2","pages":"Pages 157-163"},"PeriodicalIF":0.0,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0191-815X(88)90074-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75060245","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: 2
Natural geochemical isolation of neutron-activated waste: Scenarios and equilibrium models 中子活化废物的自然地球化学分离:情景和平衡模型
Nuclear and Chemical Waste Management Pub Date : 1988-01-01 DOI: 10.1016/0191-815X(88)90004-6
J. Gruber
{"title":"Natural geochemical isolation of neutron-activated waste: Scenarios and equilibrium models","authors":"J. Gruber","doi":"10.1016/0191-815X(88)90004-6","DOIUrl":"10.1016/0191-815X(88)90004-6","url":null,"abstract":"<div><p>A coupled geochemical/geohydraulic model is used to discuss and interpret possible mechanisms for contaminant transport and accumulation in inorganic environments. The geochemical part of the code, the triple layer model for adsorption, allows one to estimate the variation of the contaminant distribution coefficient with solution composition. The hydraulic part of the model establishes a deterministic correlation of the spatial variation of the distribution coefficient. Scenarios are constructed incorporating computed system behavior. A comparison of potential contaminant concentrations with acceptable ones allows one to quantify the degree of geochemical isolation of the contaminant which a chosen environment provides. Long lived waste, activated in the thermal neutron flux of a light water reactor, is classified using the proposed methodology and a very conservative scenario: beryllium, lead, molybdenum, selenium, tin and zirconium activated in the bulk of the reactor decommissioning waste (the bioshield) might be sufficiently isolated by the chemistry in common soils. The concentration of nickel in oxidizing inorganic noncomplexing drinking water has an upper limit given by the precipitation of nickel minerals. Above pH = 7 is an effective geochemical barrier for nickel activated anywhere in the reactor, except the high neutron flux region.</p></div>","PeriodicalId":100966,"journal":{"name":"Nuclear and Chemical Waste Management","volume":"8 1","pages":"Pages 13-32"},"PeriodicalIF":0.0,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0191-815X(88)90004-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78453504","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
Oak Ridge model 橡树岭模型
Nuclear and Chemical Waste Management Pub Date : 1988-01-01 DOI: 10.1016/0191-815X(88)90050-2
Thomas A. Row
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引用次数: 0
Separation of ammonia from wastewater using clinoptilolite as ion exchanger 斜发沸石离子交换法分离废水中的氨
Nuclear and Chemical Waste Management Pub Date : 1988-01-01 DOI: 10.1016/0191-815X(88)90069-1
E. Czárán, Á. Mészáros-Kis, E. Domokos, J. Papp
{"title":"Separation of ammonia from wastewater using clinoptilolite as ion exchanger","authors":"E. Czárán,&nbsp;Á. Mészáros-Kis,&nbsp;E. Domokos,&nbsp;J. Papp","doi":"10.1016/0191-815X(88)90069-1","DOIUrl":"https://doi.org/10.1016/0191-815X(88)90069-1","url":null,"abstract":"","PeriodicalId":100966,"journal":{"name":"Nuclear and Chemical Waste Management","volume":"8 2","pages":"107-113"},"PeriodicalIF":0.0,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0191-815X(88)90069-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72279315","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: 18
Use of on-site chemical analyses in the identification of groundwater contamination sources affecting the Rockaway Borough well field 使用现场化学分析识别影响洛克威区井田的地下水污染源
Nuclear and Chemical Waste Management Pub Date : 1988-01-01 DOI: 10.1016/0191-815X(88)90056-3
Christopher S. Manikas, Kevin R. Boyer
{"title":"Use of on-site chemical analyses in the identification of groundwater contamination sources affecting the Rockaway Borough well field","authors":"Christopher S. Manikas,&nbsp;Kevin R. Boyer","doi":"10.1016/0191-815X(88)90056-3","DOIUrl":"10.1016/0191-815X(88)90056-3","url":null,"abstract":"<div><p>Field chemical analyses were applied to an investigation of the Rockaway Borough well field, located in northwestern New Jersey, USA, and the designated sole-source glacial aquifer supplying the well field. The aquifer and the Borough water supply were found to be contaminated with up to 680 μg/L of tetrachlorethylene (PCE) and 172 μ/L of trichlorethylene (TCE) in 1980. The sources of the contaminants had not been identified in 1982 when the well field was placed on the United States Environmental Protection Agency National Priorities List of uncontrolled hazardous waste sites. A limited site investigation was conducted using on-site chemical analyses of groundwater samples and soil sample headspace gases. The investigation identified optimal monitoring well locations, provided cost-effective time series sampling data, and identified the locations of three potential contaminant sources.</p></div>","PeriodicalId":100966,"journal":{"name":"Nuclear and Chemical Waste Management","volume":"8 4","pages":"Pages 307-320"},"PeriodicalIF":0.0,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0191-815X(88)90056-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80900699","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
Evaluation of waste-entrained concrete using image analysis and quantification 用图像分析和量化方法评价废弃混凝土
Nuclear and Chemical Waste Management Pub Date : 1988-01-01 DOI: 10.1016/0191-815X(88)90052-6
W.F. Buckingham, J.M. Spaw, E.B. Peacock
{"title":"Evaluation of waste-entrained concrete using image analysis and quantification","authors":"W.F. Buckingham,&nbsp;J.M. Spaw,&nbsp;E.B. Peacock","doi":"10.1016/0191-815X(88)90052-6","DOIUrl":"10.1016/0191-815X(88)90052-6","url":null,"abstract":"<div><p>Image analysis techniques were used to characterize the composition of waste-entrained concrete, and to provide quantitative data on the size, shape and location of each component in the samples. Multiple samples were analyzed to determine the degree of heterogeneity in the sample. Homogeneous samples were characterized by soils that occur in numerous, small isolated islands within the large, convoluted cement objects. Compressive strength is high because of the presence of hardened concrete framework. Porosity is restricted to nonsoil zones, lowering the probability of leaching by percolating fluids. The heterogeneous samples contain numerous cement islands within a soil matrix. Compressive strength is low because the load must be supported by the soil rather than the cement. Long fluid pathways, often in contact with the soil characterize these samples.</p></div>","PeriodicalId":100966,"journal":{"name":"Nuclear and Chemical Waste Management","volume":"8 4","pages":"Pages 261-268"},"PeriodicalIF":0.0,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0191-815X(88)90052-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81040717","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
4681685 Method and apparatus for concentrating bioparticles 4681685浓缩生物颗粒的方法和设备
Nuclear and Chemical Waste Management Pub Date : 1988-01-01 DOI: 10.1016/0191-815X(88)90034-4
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引用次数: 0
4693833 Method of treating radioactive waste water resulting from decontamination 4693833净化后放射性废水的处理方法
Nuclear and Chemical Waste Management Pub Date : 1988-01-01 DOI: 10.1016/0191-815X(88)90093-9
{"title":"4693833 Method of treating radioactive waste water resulting from decontamination","authors":"","doi":"10.1016/0191-815X(88)90093-9","DOIUrl":"https://doi.org/10.1016/0191-815X(88)90093-9","url":null,"abstract":"","PeriodicalId":100966,"journal":{"name":"Nuclear and Chemical Waste Management","volume":"8 2","pages":"Page IV"},"PeriodicalIF":0.0,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0191-815X(88)90093-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136865161","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
4690756 Apparatus for microaquaculture and pollution control 4690756微型水产养殖和污染控制装置
Nuclear and Chemical Waste Management Pub Date : 1988-01-01 DOI: 10.1016/0191-815X(88)90089-7
{"title":"4690756 Apparatus for microaquaculture and pollution control","authors":"","doi":"10.1016/0191-815X(88)90089-7","DOIUrl":"https://doi.org/10.1016/0191-815X(88)90089-7","url":null,"abstract":"","PeriodicalId":100966,"journal":{"name":"Nuclear and Chemical Waste Management","volume":"8 2","pages":"Page III"},"PeriodicalIF":0.0,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0191-815X(88)90089-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136885614","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
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