Results 51 to 60 of about 6,510,636 (350)

Reduction behavior of iron in the red mud

Journal of Mining and Metallurgy, Section B: Metallurgy, 2021
Red mud or bauxite residue contains significant quantities of industrial metals such as Fe, Al, and Ti, as well as rare earth elements such as Sc, Ce, and La. The authors performed a laboratory-scale project dealing with stepwise recovery of valuable elements from two bauxite residues, namely Iranian red mud (IRM) and Turkish red mud (TRM).
Eray, S., Keskinkilic, E., Topkaya, Y. A., Geveci, A.   +3 more
openaire   +5 more sources

Green steel at its crossroads: Hybrid hydrogen-based reduction of iron ores [PDF]

Journal of Cleaner Production, 2022
Ironand steelmaking cause ~7% of the global CO2 emissions, due to the use of carbon for the reduction of iron ores. Replacing carbon by hydrogen as the reductant offers a pathway to massively reduce these emissions.
I. S. Souza Filho, H. Springer, Yan Ma, Ankita Mahajan, C. C. da Silva, M. Kulse, D. Raabe   +6 more
semanticscholar   +1 more source

Different Influences of Bacterial Communities on Fe (III) Reduction and Phosphorus Availability in Sediments of the Cyanobacteria- and Macrophyte-Dominated Zones

Frontiers in Microbiology, 2018
Little is known about the effects of bacterial community on iron (Fe) and phosphorus (P) cycles in sediments under different primary producer habitats in different seasons. Lake Taihu has both the cyanobacteria- and macrophyte-dominated lake zones.
Xianfang Fan, Shiming Ding, Mengdan Gong, Mengdan Gong, Musong Chen, ShuaiShuai Gao, ShuaiShuai Gao, Zengfeng Jin, Zengfeng Jin, Daniel C. W. Tsang   +9 more
doaj   +1 more source

Secretion of Iron(III)-Reducing Metabolites during Protein Acquisition by the Ectomycorrhizal Fungus Paxillus involutus

Microorganisms, 2020
The ectomycorrhizal fungus Paxillus involutus decomposes proteins using a two-step mechanism, including oxidation and proteolysis. Oxidation involves the action of extracellular hydroxyl radicals (•OH) generated by the Fenton reaction.
Firoz Shah, Markus Gressler, Susan Nehzati, Michiel Op De Beeck, Luigi Gentile, Dirk Hoffmeister, Per Persson, Anders Tunlid   +7 more
doaj   +1 more source

Biogeochemical coupling of C/Fe in oil-polluted wetlands associated with iron reduction

Communications Earth & Environment
Oil contamination in coastal wetlands jeopardizes these ecosystems and worsens climate warming. Here we analyze 87 metagenomic samples from representative Chinese wetland oilfields and find that genes associated with dissimilatory iron reduction respond ...
Xiaoli Zhang, Wendan Xue, Guoliang Wang, Jie Liang, Qi Wang, Yuhao Li, Wensheng Shu, Qixing Zhou   +7 more
semanticscholar   +1 more source

Safety Aspects of Iron in Food [PDF]

, 2001
During the last decades efforts regarding dietary iron supply focused mostly on the prevention of deficiencies, especially during growth and pregnancy.
Schümann, Klaus
core   +1 more source

Effect of pressed-heat and stuffy slag powder on the properties of epoxy coating

工程科学学报
The study focused on the utilization of heat-pressed and stuffy slag, processed into an ultrafine vertical grinding mill. This pressed-heat and stuffy slag powder replaced traditional anticorrosion fillers, such as epoxy resin, xylene, butanol, and ...
Hongming LONG, Haotian WU, Hao ZHANG, Zhengming CHENG, Tongbin WANG, Xiaojian REN, Weicheng ZHENG, Yifan WANG   +7 more
doaj   +1 more source

Extracellular Electron Transfer via Outer Membrane Cytochromes in a Methanotrophic Bacterium Methylococcus capsulatus (Bath)

Frontiers in Microbiology, 2018
Electron exchange reactions between microbial cells and solid materials, referred to as extracellular electron transfer (EET), have attracted attention in the fields of microbial physiology, microbial ecology, and biotechnology.
Kenya Tanaka, Sho Yokoe, Kensuke Igarashi, Motoko Takashino, Masahito Ishikawa, Masahito Ishikawa, Katsutoshi Hori, Shuji Nakanishi, Shuji Nakanishi, Souichiro Kato, Souichiro Kato   +10 more
doaj   +1 more source

Orbital coupling of hetero-diatomic nickel-iron site for bifunctional electrocatalysis of CO2 reduction and oxygen evolution

Nature Communications, 2021
While inheriting the exceptional merits of single atom catalysts, diatomic site catalysts (DASCs) utilize two adjacent atomic metal species for their complementary functionalities and synergistic actions.
Zhiping Zeng, L. Gan, Hong Bin Yang, Xiaozhi Su, Jiajian Gao, Wei Liu, H. Matsumoto, Jun Gong, Junming Zhang, Weizheng Cai, Zheye Zhang, Yibo Yan, Bingbing Liu, Peng Chen   +13 more
semanticscholar   +1 more source

Geobacter sulfurreducens’ Unique Metabolism Results in Cells with a High Iron and Lipid Content

Microbiology Spectrum, 2022
Geobacter sulfurreducens is a ubiquitous iron-reducing bacterium in soils, and in engineered systems, it can respire an electrode to produce measurable electric current.
Ethan Howley, Dongwon Ki, Rosa Krajmalnik-Brown, César I. Torres   +3 more
doaj   +1 more source