In the study, the variations of heavy metal distributions (of Cu, Mn, Pb, and Zn) during the sewage sludge composting process were investigated by sequential extraction procedures. The total content of Cu and Zn in the composted mixture increased after the composting process. Mn and Zn were mainly found in mobile fractions (exchangeable fraction (F1), carbonate fraction (F2), and Fe/Mn oxide fr...

2014 57Fe Mössbauer spectroscopy has been combined with bulk magnetic measurements to determine the valence state and coordination of iron as well as the magnetic properties of the ternary oxide glasses, Li2O-B2O3Fe2O3. In all investigated glasses (~ 8.4 at % Fe), the Fe3+ ions coexist in tetrahedral and octahedral coordinations ; the presence of Fe2+ ions ( 15 %), which is observed in some gla...

Graphene-oxide-based metal hybrids (GM) are used for the rapid and efficient reduction removal of toxic adulterants in environment. The exceptionally high specific surface area, versatile chemistry, exceptional customization efficiency graphene oxide nanosheets combined with adaptable chemistry nanoparticles enable formation GM hybrid nanocomposites. However, little is known about architecture ...

The molecular structures and reactivity of tantalum oxide-supported metal oxide (V2O5, Nb2O5, CrO3, MoO3, WO3, and Re2O7) catalysts were determined by Raman spectroscopy and the methanol oxidation chemical probe reaction, respectively. The metal oxides form a twodimensional surface metal oxide overlayer on the tantalum oxide support. Under ambient conditions, the hydrated surface metal oxide sp...

The bean (Phaseolus vulgaris) stress-related gene number 2 (PvSR2) gene responds to heavy metals but not to other forms of environmental stresses. To elucidate its heavy metal-regulatory mechanism at the transcriptional level, we isolated and characterized the promoter region (-1623/+48) of PvSR2. Deletions from the 5' end revealed that a sequence between -222 and -147 relative to the transcrip...

Filter cake is one of the main waste products of zinc processing industries and it contains a high amount of toxic heavy metals. In this research in order to reduce heavy metals leachability in filter cake, Portland cement, natural pozzolan, diammonium phosphate (DAP), triple superphosphate (TSP), lime, zinc oxide and ground granulated blast furnace slag (GGBFS) have been used. This research’s ...

As powder bed based additive manufacturing (AM) is gaining more traction in the research and industry, significant efforts are made to expand capability of AM combining different materials. Conventionally, multiple materials, sealants processes necessary order join metal glasses assemblies. The development a single-step process for vacuum-tight strong bonding between glass could drastically red...

This paper builds a bridge between heavy metal music, complexity theory and sustainability science to show the potential of the (auditory) arts to inform different aspects of complex systems of people and nature. The links are described along different dimensions. This first dimension focuses on the scientific aspect of heavy metal. It uses complex adaptive systems theory to show that the rapid...

Computational studies have attracted the attention of researchers to understand the structural behavior of the molecules. These methods grade complex systems for novel properties with new predictions in areas of physics, chemistry and biology useful for conduct of experimental studies. Nanoparticles in present day technologies have become integral part in diverse areas of science mostly with me...

In this study, biosorption of heavy metal and dye by microbes will investigate. Optimum pH values of the maximum heavy metal biosorption will be finding. The bioremoval of the dye also investigate at different pH, Removal rates will measure respectively. The presence of heavy metal with dye analysis will be done for uptake by biosorbents .The results expected to indicate that the isolated bioso...