Results 31 to 40 of about 1,077,337 (368)

Use of 24kHz ultrasound to improve sulfate precipitation from wastewater

, 2015
Elevated sulfate concentrations in industrial effluent can lead to a number of significant problems, the most serious of which is the corrosion of concrete sewers as a result of hydrogen sulfide induced biogenic sulfuric acid attack; hydrogen sulfide can
Dargue, Andrew, Dean, John, Deary, Michael E., Dean, John R., Davies, Lisa A., Deary, Michael   +5 more
core   +1 more source

Solid–Liquid Phase Equilibria of the Aqueous Quaternary System Rb⁺, Cs⁺, Mg²⁺//SO₄²⁻ - H₂O at T = 323.2 K

Separations
Sulfate-type salt lakes constitute over half of the total salt lakes in China and are rich in rare elements, such as rubidium and cesium. However, the complex interactions between ions make the separation and extraction process quite challenging.
Zhangfa Yu, Ying Zeng, Xuequn Li, Hongbo Sun, Longgang Li, Wanghai He, Peijun Chen, Xudong Yu   +7 more
doaj   +1 more source

Identification of steroid sulfate transport processes in the human mammary gland [PDF]

, 2003
Circulating hormones and local biotransformation of steroid precursors are both sources of estrogen in human mammary tissue. Estrone-3-sulfate (E(1)S) is an important estrogenic form in premenopausal women, and dehydroepiandrosterone sulfate (DHEAS ...
Pizzagalli, F., Meier, P. J., Varga, Z., Huber, R. D., Folkers, G., St-Pierre, M. V.   +5 more
core   +1 more source

Competition and coexistence of sulfate-reducing bacteria, acetogens and methanogens in a lab-scale anaerobic bioreactor as affected by changing substrate to sulfate ratio

, 2008
The microbial population structure and function of natural anaerobic communities maintained in lab-scale continuously stirred tank reactors at different lactate to sulfate ratios and in the absence of sulfate were analyzed using an integrated approach of
Stams, A.J.M. (author), Muyzer, G., Kuenen, J.G., Gerard Muyzer, Dar, S., Shabir A. Dar, Kleerebezem, R. (author), Kuenen, J.G. (author), Robbert Kleerebezem, Dar, S.A., Alfons J. M. Stams, Stams, A.J.M., Dar, S.A. (author), Kleerebezem, R., J. Gijs Kuenen, Muyzer, G. (author)   +15 more
core   +1 more source

Sulfate Resistance in Cements Bearing Ornamental Granite Industry Sludge

, 2020
© 2020 by the authorsThis study explores the effect on sulfate resistance of the use of ornamental granite industry waste as a supplementary cementitious material (at replacement ratios of 10% and 20%) in cement manufacture.
Sánchez de Rojas, María Isabel, Gabriel Medina, Isabel F. Sáez del Bosque, César Medina, Sáez del Bosque, Isabel F., María Isabel Sánchez de Rojas, Medina, Gabriel, Frías, Moisés, Moisés Frías, Medina Martínez, César   +9 more
core   +1 more source

Biotechnological aspects of sulfate reduction with methane as electron donor

, 2010
Biological sulfate reduction can be used for the removal and recovery of oxidized sulfur compounds and metals from waste streams. However, the costs of conventional electron donors, like hydrogen and ethanol, limit the application possibilities.
Meulepas, Roel J.W., Piet N. L. Lens, Alfons J. M. Stams, Stams, Alfons J.M., Roel J. W. Meulepas, Stams, A.J.M., Meulepas, R.J.W., Lens, P.N.L., Lens, Piet N.L.   +8 more
core   +1 more source

A Bibliometric Analysis of Publications in Uremic Toxins From 1991 to 2024

Therapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background Uremic toxins are a growing area of research in nephrology, with significant implications in the progression and treatment of chronic kidney disease (CKD) and the management of end‐stage kidney disease (ESKD). This bibliometric analysis aims to evaluate the global research trends, key contributors, and the impact of publications in ...
Yuh‐Shan Ho, Karim M. Soliman, Wisit Cheungpasitporn, Wannasit Wathanavasin, Ahmed Daoud, Ahmed I. Kamal, Balázs Szamosfalvi, Tibor Fülöp   +7 more
wiley   +1 more source

Sulfate Mobility in Fen Peat and Its Impact on the Release of Solutes

Frontiers in Environmental Science, 2019
Sea-level rise coupled with land subsidence from wetland drainage exposes increasingly large areas of coastal peatlands to seawater intrusion. Seawater contains high concentrations of sulfate (SO42−), which can alter the decomposition of organic matter ...
Lennart Gosch, Heather Townsend, Matthias Kreuzburg, Manon Janssen, Fereidoun Rezanezhad, Bernd Lennartz   +5 more
doaj   +1 more source

Chemical Mechanisms Involved in the Coupled Attack of Sulfate and Chloride Ions on Low-Carbon Cementitious Materials: An In-Depth Study

Applied Sciences, 2023
This study aims to analyze the individual and combined chemical attacks of sulfate and chloride ions on cementitious materials and assess the efficiency of some selected additives (fly ash, blast furnace slag, and metakaolin) in countering this combined ...
François El Inaty, Mario Marchetti, Marc Quiertant, Othman Omikrine Metalssi   +3 more
doaj   +1 more source

Melaminium sulfate [PDF]

Acta Crystallographica Section E Structure Reports Online, 2008
In the title compound, C(3)H(8)N(6) (2+)·SO(4) (2-), the melaminium cations and sulfate anions are inter-connected by N-H⋯N and N-H⋯O hydrogen bonds, forming a layer in the (101) plane. The layers are connected through multiple hydrogen bonds and π-π stacking inter-actions (centroid-centroid distance of about 3.4 Å).
Hai-Peng Jing, De-Liang Cui, Bao-Yong Zhu   +2 more
openaire   +3 more sources