检索结果-南通市图书馆

Microbial Community with Potential for Metal Release Isolated from Palca Mine Tailings Pond in Peru

Journal of Geoscience and Environment Protection 2024年第7期12卷 109-121页

作者： César Wilber Guzmán Moreno Bruno Karolski Solange Kazue Utimura Roberto Castellanos Cabrera Jhon Albert Centeno Torres Daladier Miguel Castillo Cotrina Elisabete de Santis Braga Dayana Sarai Gamonal Fermandez denise crocce romano espinosa Joel Barbujiani Sigolo Department of Sedimentary and Environmental Geology Institute of Geoscience USP So Paulo Brazil Department of Chemical Engineering LAREX USP So Paulo Brazil CEPEMA Environment Training and Research Center USP So Paulo Brazil Facultad de Ciencias Universidad Nacional Jorge Basadre Grohmann UNJBG Tacna Per Department of Physical Chemical and Geological Oceanography USP So Paulo Brazil Facultad de Ciencias Biolgicas Universidad Nacional Pedro Ruiz Gallo UNPRG Lambayeque Per

The improvement of microbial characterization has increased the comprehension of microbial population and their ability in the microbiological metal dissolution. Bioleaching processes have been expanded to use microorganisms for the recovery of metals from ores and wastes. This study introduces Palca mine tailings pond in Peru which turned into acid mine drainage (AMD). AMD is a source of microbial communities whose microorganisms may support the aqueous extractive metallurgy for metal recovery. Four samples of AMD were collected from different locations and the elemental characterization showed concentrations of metals, such as Cu, Zn, Al, Mn, and Fe. The pH of the samples showed variation between 1.9 - 6.8. Twenty-one microorganisms were isolated and selected according the cell morphology. 16s rRNA gene sequences identified five species of which three belong to the bacterial kingdom and two to the Fungi kingdom. Two of the bacterial species were ferrous ion oxidizing bacteria, identified as Acidithiobacillus ferriphilus and Acidithiobacillus ferridurans;and the other one a ferric ion reducing bacteria identified as Acidiphilium acidophilum. The fungi species identified were Rhodotorula sinensis and Exophiala xenobiotica, a filamentous fungus isolated for the first time from an AMD.

关键词： Acidophilic Microorganisms Acid Mine Drainage—AMD Bioleaching Process Metals Recovery Acidithiobacillus

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Performance Parameters:Demobilization Antibiotic Resistant Bacteria(ARB)and Carrying Genes(ARG)in Wastewater Disinfection

引用

Journal of Environmental Science and Engineering(B) 2024年第1期13卷 1-8页

作者： Solange Kazue Utimura denise crocce romano espinosa Marcio Luís Busi da Silva Elisabete de Santis Braga Pedro Jose Alvarez Department of Chemical Engineering USPR.do LagoSão Paulo 25005508-080Brazil Department of Physical Chemical and Geological OceanographyUSPPraça do Oceanográfico 191SPBrazil Department of Civil and Environmental Engineering Rice University6100 Main St.HoustonTexas 77005USA

The UV irradiation is used for removing Antibiotic Resistant Bacteria(ARB)and Antibiotic Resistance Genes(ARG)from wastewater *** are viruses that infect within bacteria,are recognized for bacterial *** influence of some parameters in quantification and performance influencing of pathogen demobilization could be considered in disinfection of *** comparison of Polyvalent phage(NE1)versus Coliphage(NE4)in suppressing a bacterium Escherichia coli(NDM-1:b-lactam-resistant)with UV irradiation was observed the efficacy in reduction of cells in the disinfection and parameter *** results with the effect of UV-C irradiation on NDM-1 infected with 1%of NE4 showed a decrease of cells from 8×10^(6)to 2×10^(5)in 60 min with UV-C *** NDM1(***)was infected with 1%of NE4(Polyvalent Phage)under magnetic stirring for 1 h,the cells count was 8×10^(6).After 1 h in UV-C e×posure,the cells number reached 3×10^(5).The NDM1 that was e×posed in 1 h of UV-C irradiation and then was infected with 1%of *** counting were done 24 h after this *** cells were e×posed in UV-C and showed a reduction in the number of cells from 1×10^(8)to 4×10^(5)after 60 *** results indicate that bacteriophages can mitigate bacteria species,and combined the conventional water disinfection technologies that can support the microbial safety control strategies.

关键词： Antibiotic Resistant Bacteria(ARB) Antibiotic Resistance Genes(ARG) wastewater treatment disinfection Escherichia coli(E.coli).

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

The use of computational thermodynamic for yttrium recovery from rare earth elements-bearing residue

引用

Journal of Rare Earths 2021年第2期39卷 201-207页

作者： Amilton Barbosa Botelho Junior denise crocce romano espinosa Jorge Alberto Soares Tenorio Department of Chem ical Engineering Polytechnic SchoolUniversity of Sao PauloSao PauloBrazil

The rare earth elements are considered critical metals,due to the risk of supply *** recycling of waste electrical and electronic equipment can be an alternative to supply the rare earth *** processes have been developed,and by aqueous media is the most prominent,which makes possible the extraction and separation of elements even in low concentration(traces).As an example of thermal processing,the use of thermodynamic simulations might benefit the metal extraction in hydrometallurgical *** this reason,the goal of this work is to evaluate the use of FactSage 7.2 software for the leaching of fluorescent lamp powders by sulfuric *** effect of concentration and temperature was *** comprise that the thermodynamic software wellpredicted the solid phase formed in all residues of leaching experiments-gypsum was predicted by the software and identified in XRD *** demonstrates that FactSage software can be explored for metals extraction in aqueous media,being important for trace-elements *** extraction reaches up to 95%at 45℃using H_(2)SO_(4)2 mol/L.

关键词： Yttrium Lanthanum Cerium WEEE FactSage Rare earths

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

离子交换树脂吸附酸性溶液中钒和铁的动力学模拟

引用

Transactions of Nonferrous Metals Society of China 2022年第7期32卷 2438-2450页

作者： JoséHelber VINCO Amilton Barbosa BOTELHO JUNIOR Heitor Augusto DUARTE denise crocce romano espinosa Jorge Alberto Soares TENÓRIO Department of Chemical Engineering Polytechnic School of the University of São Paulo(USP)Rua do Lago25005508-080São PauloSPBrazil

评价从含铁杂质的酸性溶液中选择性回收钒的吸附过程和反应动力学。研究Lewatit^(®) MonoPlus TP 209XL、Lewatit^(®) TP 207、Dowex^(TM) M4195(螯合树脂)和Lewatit^(®) MonoPlus S 200 H (强阳离子交换树脂)4种工业树脂。在以下初始... 详细信息

评价从含铁杂质的酸性溶液中选择性回收钒的吸附过程和反应动力学。研究Lewatit^(®) MonoPlus TP 209XL、Lewatit^(®) TP 207、Dowex^(TM) M4195(螯合树脂)和Lewatit^(®) MonoPlus S 200 H (强阳离子交换树脂)4种工业树脂。在以下初始条件下进行批量实验:pH值2.0、温度298 K、树脂与溶液的比例1 g/50 mL。研究时间对吸附过程的影响,分析pH值随时间的变化情况。随着吸附作用的发生,与S 200H树脂相比,螯合树脂释放的H~+离子较少,导致pH值降低较少。通过FT-IR和SEM-EDS对实验前后树脂的离子吸附行为进行评价。在所评价的动力学模型(准一级、准二级、Elovich和颗粒内扩散模型)中,准二级模型与4种树脂对钒和铁的吸附实验数据最吻合。M4195树脂对钒的回收率最高,对铁的吸附率最低。本文提供了对于工业应用至关重要的动力学数据。

关键词：钒回收吸附螯合树脂金属离子阳离子交换树脂批量实验

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：