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Predicting non-carcinogenic hazard quotients of heavy metals in pepper (

Marzieh Mokarram, Hamid Reza Pourghasemi, Huichun Zhang

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 6, doi: 10.1007/s11783-020-1331-0

Abstract: Abstract • There was significant absorption of heavy metals by the pepper in contaminated soils. • TheGiven the tendency of heavy metals to accumulate in soil and plants, the purpose of this study was toFor this purpose, we measured the uptake of the four heavy metals by peppers grown in the heavy metalElectromagnetic waves were also applied for analyzing the responses of the target plants to various heavy metalsTherefore, in future studies, instead of examining the amount of heavy metals in plants by chemical analysis

Keywords: Heavy metals     Plants     Target Hazard Quotient (THQ)     Principal Component Analysis (PCA)     Random search     Electromagnetic    

Effect of lime on speciation of heavy metals during composting of water hyacinth

Jiwan SINGH,Ajay S. KALAMDHAD

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 1,   Pages 93-102 doi: 10.1007/s11783-014-0704-7

Abstract: However, the major disadvantage of water hyacinth composting is the high content of heavy metals in thelime sludge significantly reduced most bioavailable fractions (exchangeable and carbonate) of heavy metalsTessier sequential extraction method was employed to investigate the changes in speciation of heavy metalsEffects of physicochemical parameters such as temperature, pH and organic matter on speciation of heavy metalsAddition of lime was very effective for reduction of bioavailability of heavy metals during composting

Keywords: composting     lime     heavy metals     bioavailability factor     speciation    

Emerging roles of liquid metals in carbon neutrality

Frontiers in Energy 2022, Volume 16, Issue 3,   Pages 393-396 doi: 10.1007/s11708-022-0829-5

Nanosized magnetite in low cost materials for remediation of water polluted with toxic metals, azo- and

María Fernanda HORST,Verónica LASSALLE,María Luján FERREIRA

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 5,   Pages 746-769 doi: 10.1007/s11783-015-0814-x

Abstract: The mechanisms governing nanomaterial’s formation as well as the interactions with heavy metals and dyes

Keywords: nanomagnetite     water remediation     toxic metals     dyes     supported magnetite    

Human health ambient water quality criteria for 13 heavy metals and health risk assessment in Taihu Lake

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 4, doi: 10.1007/s11783-021-1475-6

Abstract:

• The concentrations of 13 heavy metals in Taihu Lake were analyzed.

Keywords: Heavy metals     Human health ambient water quality criteria     Taihu Lake     Health risk assessment     Contribution    

Re-evaluation of several heavy metals removal by natural limestones

Ali SDIRI,Samir BOUAZIZ

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 4,   Pages 418-432 doi: 10.1007/s11705-014-1455-5

Abstract: Different treatment technologies have been efficiently applied to remove heavy metals from wastewaterOn the other hand, heavy metals are the most threatening groundwater contaminants because of their toxicityThe removal of toxic metals may include different mechanisms (e.g., physisorption, chemisorptions, precipitationSorption of toxic metals (e.g., Pb, Cu, Cd, Zn, Cr, Hg, etc.) onto natural limestone involved precipitation

Keywords: limestone     heavy metals     sorption     wastewater     passive treatment technology    

Co-pyrolysis of sludge and kaolin/zeolite in a rotary kiln: Analysis of stabilizing heavy metals

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 7, doi: 10.1007/s11783-021-1488-1

Abstract:

• Adding kaolin/zeolite promotes the formation of stable heavy metals

Keywords: Co-pyrolysis     Sewage sludge     Heavy metals     Rotary kiln     Immobilization mechanism    

An overview of carbon nanotubes role in heavy metals removal from wastewater

Leila Ouni, Ali Ramazani, Saeid Taghavi Fardood

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 2,   Pages 274-295 doi: 10.1007/s11705-018-1765-0

Abstract: Nowadays CNTs have been widely used for adsorption of heavy metals from water/wastewater due to theirreviews some recent progress (from 2013 to 2018) in the application of CNTs for the adsorption of heavy metals

Keywords: carbon nanotubes     heavy metals removal     water treatment    

Particulate matter and metals partitioning in highway rainfall-runoff

Gaoxiang YING, John J. SANSALONE,

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 1,   Pages 35-46 doi: 10.1007/s11783-010-0009-4

Abstract: This study investigated the particulate matter (PM) and metals in highway dry deposition and rainfall-runoffResults indicate that the acidic rainfall is not a significant contributor to metals in runoff but iscapable of leaching metals from dry deposition PM into runoff.Partitioning in retained runoff resulted in a particulate-bound €predominance €for €most €metals

Keywords: stormwater     particulate matter (PM)     turbidity     suspended sediment concentration (SSC)     unit operations     metals    

A critical review on the recycling of copper and precious metals from waste printed circuit boards using

Zebing Wu, Wenyi Yuan, Jinhui Li, Xiaoyan Wang, Lili Liu, Jingwei Wang

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 5, doi: 10.1007/s11783-017-0995-6

Abstract: Moreover, heavy metals will dissolve, and release into the ground water from the landfill sites.Such waste PCBs contain precious metals which are of monetary value.Hydrometallurgy is a successful technique used worldwide for the recovery of precious metals (especiallyThis article reviews the recent trends and developments with regard to the recycling of precious metals

Keywords: Waste PCBs     Precious metals     Hydrometallurgy     Recycling     Leaching     Recovery    

A 50-year sedimentary record of heavy metals and their chemical speciations in the Shuangtaizi River

Baolin LIU, Ke HU, Zhenglong JIANG, Fengge QU, Xin SU

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 3,   Pages 435-444 doi: 10.1007/s11783-011-0352-0

Abstract: Correlation analyses show that almost all the metals are associated with each other, suggesting thatthese metals might be derived from same sources and/or affected by same geochemical processes.The dominant binding phases for most of the metals (except for Cd) are the residual.Pollution assessment on these heavy metals based on Index of Geoaccumulation ( ) also demonstrates thatmost of the metals are unpolluted.

Keywords: Shuangtaizi River estuary     sediment core     heavy metals     pollution    

Recovery of rare and precious metals from urban mines—A review

Mengmeng Wang, Quanyin Tan, Joseph F. Chiang, Jinhui Li

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 5, doi: 10.1007/s11783-017-0963-1

Abstract: The recovery of rare and precious metals (RPMs) from urban mines has attracted increasing attention fromHydrometallurgical processing is effective and easy to operate, with high selectivity of target metals

Keywords: Rare and precious metals (RPMs)     Distribution characteristics     Recycling technology     Emerging technology    

The Current Situation and Outlook of Scattered Metals

Zou Jiayan,Chen Shaochun

Strategic Study of Chinese Academy of Engineering 2002, Volume 4, Issue 8,   Pages 86-93

Abstract:

This paper summarizes the present situation and outlook of scattered metals(gallium, indium, germaniumIt especially indicates that the scattered metals play an important part in devoloping economical construction

The paper also makes some proposals for developing scattersed metals industry as follows: protection

Keywords: scattered metals     resources     industry     market    

Efficient removal of heavy metals from electroplating wastewater using polymer ligands

Md. Lutfor RAHMAN,Shaheen M. SARKAR,Mashitah Mohd YUSOFF

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 2,   Pages 352-361 doi: 10.1007/s11783-015-0783-0

Abstract: Poly(hydroxamic acid)-poly(amidoxime) chelating ligands were synthesized from poly(methyl acrylate-co-acrylonitrile) grafted acacia cellulose for removing toxic metal ions from industrial wastewaters. These ligands showed higher adsorption capacity to copper (2.80 mmol?g ) at pH 6. In addition, sorption capacities to other metal ions such as iron, zinc, chromium, and nickel were also found high at pH 6. The metal ions sorption rate (t ) was very fast. The rate of adsorption of copper, iron, zinc, chromium, nickel, cobalt, cadmium and lead were 4, 5, 7, 5, 5, 8, 9 and 11 min, respectively. Therefore, these ligands have an advantage to the metal ions removal using the column technique. We have successfully investigated the known concentration of metal ions using various parameters, which is essential for designing a fixed bed column with ligands. The wastewater from electroplating plants used in this study, having chromium, zinc, nickel, copper and iron, etc. For chromium wastewater, ICP analysis showed that the Cr removal was 99.8% and other metal ions such as Cu, Ni, Fe, Zn, Cd, Pb, Co and Mn removal were 94.7%, 99.2%, 99.9%, 99.9%, 99.5%, 99.9%, 95.6% and 97.6%, respectively. In case of cyanide wastewater, the metal removal, especially Ni and Zn removal were 96.5 and 95.2% at higher initial concentration. For acid/alkali wastewater, metal ions removing for Cd, Cr and Fe were 99.2%, 99.5% and 99.9%, respectively. Overall, these ligands are useful for metal removal by column method from industrial wastewater especially plating wastewater.

Keywords: heavy metals     adsorption     wastewater     chelating ligands     plating industry    

Reduced texaphyrin: A ratiometric optical sensor for heavy metals in aqueous solution

Harrison D. Root, Gregory Thiabaud, Jonathan L. Sessler

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 1,   Pages 19-27 doi: 10.1007/s11705-019-1888-y

Abstract: We report here a water-soluble metal cation sensor system based on the as-prepared or reduced form of an expanded porphyrin, texaphyrin. Upon metal complexation, a change in the redox state of the ligand occurs that is accompanied by a color change from red to green. Although long employed for synthesis in organic media, we have now found that this complexation-driven redox behavior may be used to achieve the naked eye detectable colorimetric sensing of several number of less-common metal ions in aqueous media. Exposure to In(III), Hg(II), Cd(II), Mn(II), Bi(III), Co(II), and Pb(II) cations leads to a colorimetric response within 10 min. This process is selective for Hg(II) under conditions of competitive analysis. Furthermore, among the subset of response-producing cations, In(III) proved unique in giving rise to a ratiometric change in the ligand-based fluorescence features, including an overall increase in intensity. The cation selectivity observed in aqueous media stands in contrast to what is seen in organic solvents, where a wide range of texaphyrin metal complexes may be prepared. The formation of metal cation complexes under the present aqueous conditions was confirmed by reversed phase high-performance liquid chromatography, ultra-violet-visible absorption and fluorescence spectroscopies, and high-resolution mass spectrometry.

Keywords: texaphyrin     fluorescent sensor     ion-sensing     indium     mercury    

Title Author Date Type Operation

Predicting non-carcinogenic hazard quotients of heavy metals in pepper (

Marzieh Mokarram, Hamid Reza Pourghasemi, Huichun Zhang

Journal Article

Effect of lime on speciation of heavy metals during composting of water hyacinth

Jiwan SINGH,Ajay S. KALAMDHAD

Journal Article

Emerging roles of liquid metals in carbon neutrality

Journal Article

Nanosized magnetite in low cost materials for remediation of water polluted with toxic metals, azo- and

María Fernanda HORST,Verónica LASSALLE,María Luján FERREIRA

Journal Article

Human health ambient water quality criteria for 13 heavy metals and health risk assessment in Taihu Lake

Journal Article

Re-evaluation of several heavy metals removal by natural limestones

Ali SDIRI,Samir BOUAZIZ

Journal Article

Co-pyrolysis of sludge and kaolin/zeolite in a rotary kiln: Analysis of stabilizing heavy metals

Journal Article

An overview of carbon nanotubes role in heavy metals removal from wastewater

Leila Ouni, Ali Ramazani, Saeid Taghavi Fardood

Journal Article

Particulate matter and metals partitioning in highway rainfall-runoff

Gaoxiang YING, John J. SANSALONE,

Journal Article

A critical review on the recycling of copper and precious metals from waste printed circuit boards using

Zebing Wu, Wenyi Yuan, Jinhui Li, Xiaoyan Wang, Lili Liu, Jingwei Wang

Journal Article

A 50-year sedimentary record of heavy metals and their chemical speciations in the Shuangtaizi River

Baolin LIU, Ke HU, Zhenglong JIANG, Fengge QU, Xin SU

Journal Article

Recovery of rare and precious metals from urban mines—A review

Mengmeng Wang, Quanyin Tan, Joseph F. Chiang, Jinhui Li

Journal Article

The Current Situation and Outlook of Scattered Metals

Zou Jiayan,Chen Shaochun

Journal Article

Efficient removal of heavy metals from electroplating wastewater using polymer ligands

Md. Lutfor RAHMAN,Shaheen M. SARKAR,Mashitah Mohd YUSOFF

Journal Article

Reduced texaphyrin: A ratiometric optical sensor for heavy metals in aqueous solution

Harrison D. Root, Gregory Thiabaud, Jonathan L. Sessler

Journal Article