نتایج جستجو برای: natural sorbents

تعداد نتایج: 483329  

2015
L. Zemnukhova U. Kharchenko I. Beleneva

The research is potentially attractive for converting silica rich biomass into useful materials. Silica containing specimens prepared by the thermal method and deposition from rice production waste (straw and husk) were evaluated for their ability to remove different strains of microorganisms from the water. The strains of microorganisms with different cell shape and size were chosen for invest...

Journal: :WATER AND WATER PURIFICATION TECHNOLOGIES. SCIENTIFIC AND TECHNICAL NEWS 2020

Journal: :Chemical Bulletin of Kazakh National University 2014

2018
Klaudia Debiec Grzegorz Rzepa Tomasz Bajda Witold Uhrynowski Aleksandra Sklodowska Jan Krzysztoforski Lukasz Drewniak

The main element of PbRS (passive (bio)remediation systems) are sorbents, which act as natural filters retaining heavy metals and carriers of microorganisms involved in water treatment. Thus, the effectiveness of PbRS is determined by the quality of the (ad)sorbents, which should be stable under various environmental conditions, have a wide range of applications and be non-toxic to (micro)organ...

Journal: :Environmental science. Processes & impacts 2013
Shibin Li Todd A Anderson Micah J Green Jonathan D Maul Jaclyn E Cañas-Carrell

The batch equilibrium approach was used to examine the influence of multi-walled carbon nanotubes (MWNTs) on the sorption behaviors of polyaromatic hydrocarbons (PAHs) in soil. To the knowledge of the authors, this is the first study of PAH sorption to MWNTs in real natural soil systems. The sorption behavior of three PAHs (naphthalene, fluorene, and phenanthrene) in the presence of commerciall...

Journal: :ACS Environmental Au 2023

Rising CO2 emissions are responsible for increasing global temperatures causing climate change. Significant efforts underway to develop amine-based sorbents directly capture from air (called direct (DAC)) combat the effects of However, sorbents’ performances have usually been evaluated at ambient (25 °C) or higher, most often under dry conditions. A significant portion natural environment where...

Journal: :E3S web of conferences 2023

In this study, the retention substance bentonite was used in preparation of a mesoporous silica nanocatalyst. The analysis sorbents from sorption isotherm study and results obtained were summarized. Also discussed are chemical composition Navbahor deposit, types sorbent isotherms by adsorption various gases on sorbents, descriptions phase samples synthesized textures, physic-chemical characteri...

2004

Magnesium, calcium carbonates and oxides that are widely used in cement industries were employed in studying sorption of petroleum oil spills from salt water at different condition parameters such as temperature, loading weight, degree of salinity. Treatment of magnesium, calcium carbonates and oxides by dodecyl benzene sulphonic acid alcohol was studied to enhance the sorption efficiency. Resu...

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