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View article: Titania-Based Oxide Catalysts for Removing Nitrogen Oxides
Titania-Based Oxide Catalysts for Removing Nitrogen Oxides Open
Titania catalysts containing cerium, copper, or iron were obtained using the sol–gel method and tested in the selective reduction of nitrogen oxide. Samples with cerium and iron showed high activity at temperatures ranging from 200 to 400 …
View article: Selective catalytic reduction of NO with ammonia at low temperature over Cu-promoted and N-modified activated carbon
Selective catalytic reduction of NO with ammonia at low temperature over Cu-promoted and N-modified activated carbon Open
Catalytic properties of activated carbons oxidized, treated with N-compounds, and promoted with copper were studied in selective catalytic reduction NO X by ammonia (NH 3 -SCR).The modification of the catalysts consisted of a series of ste…
View article: Efficient Adsorption of Chromium Ions from Aqueous Solutions by Plant-Derived Silica
Efficient Adsorption of Chromium Ions from Aqueous Solutions by Plant-Derived Silica Open
Nowadays, there is great interest in the use of plant waste to obtain materials for environmental protection. In this study, silica powders were prepared with a simple and low-cost procedure from biomass materials such as horsetail and com…
View article: Pollution from Transport: Detection of Tyre Particles in Environmental Samples
Pollution from Transport: Detection of Tyre Particles in Environmental Samples Open
Transport is one of the most important sources of environmental pollution. More and more information has shown that one of the greatest sources of emissions from transport are emissions related to the release of microplastics from tyres. T…
View article: Influence of chemical aging processes on releasing organic products from microplastics
Influence of chemical aging processes on releasing organic products from microplastics Open
<p>At the end of the 1940s, the production of plastics began on a large scale. Since then, a dynamic increase in their production has been observed. It is associated with a variety of applications and low costs. The negative conseque…
View article: Aluminum Doped Titania as a Support of Copper Catalysts for SCR of Nitrogen Oxides
Aluminum Doped Titania as a Support of Copper Catalysts for SCR of Nitrogen Oxides Open
Aluminum doped titania samples were synthesized as supports of copper oxide catalysts for NO reduction with ammonia. Samples were prepared by the sol-gel method with various ratios of aluminum to titanium. Their thermal stability was exami…
View article: Detection of microplastics in soil samples from the area of traffic route
Detection of microplastics in soil samples from the area of traffic route Open
<p>At the end of the 1940s, mass production of plastics began. Since then, due to the very wide range of applications, a steady increase in their production has been observed. Anthropogenic activities have a significant impact on the…
View article: SO2 Poisoning and Recovery of Copper-Based Activated Carbon Catalysts for Selective Catalytic Reduction of NO with NH3 at Low Temperature
SO2 Poisoning and Recovery of Copper-Based Activated Carbon Catalysts for Selective Catalytic Reduction of NO with NH3 at Low Temperature Open
A series of materials based on activated carbon (AC) with copper deposited in various amounts were prepared using an incipient wetness impregnation method and tested as catalysts for selective catalytic reduction of nitrogen oxides with am…
View article: The Enhanced Performance of N-Modified Activated Carbon Promoted with Ce in Selective Catalytic Reduction of NOx with NH3
The Enhanced Performance of N-Modified Activated Carbon Promoted with Ce in Selective Catalytic Reduction of NOx with NH3 Open
The goal of the study was to modify activated carbon (AC) with nitrogen groups and ceria and to test the obtained materials in low temperature selective catalytic reduction of nitrogen oxides. For that purpose, the starting AC was oxidized…
View article: Copper Aluminum Spinels Doped with Cerium as Catalysts for NO Removal
Copper Aluminum Spinels Doped with Cerium as Catalysts for NO Removal Open
Cu-Ce(Mn)-Al oxide catalysts to NO removal in the broad temperature range were synthesized and tested. The precursor of copper aluminium spinel was obtained with the coprecipitation method. By this method, Cu–Al spinels with various amount…
View article: Activated Carbon as a Support of Catalysts for the Removal of Nitrogen Oxides
Activated Carbon as a Support of Catalysts for the Removal of Nitrogen Oxides Open
Activated carbon was oxidised with concentrated nitric acid and impregnated with urea to form nitrogen-containing groups. Such a support was impregnated with cobalt, copper or silver nitrates to obtain catalysts for the selective catalytic…
View article: Influence of thermal treatment conditions on efficiency of PFA/MCM-48 composite and CMK-1 carbon replica in adsorption of volatile organic compounds
Influence of thermal treatment conditions on efficiency of PFA/MCM-48 composite and CMK-1 carbon replica in adsorption of volatile organic compounds Open
The mechanism of thermal degradation of poly(furfuryl alcohol) (PFA) deposited on the MCM-48 mesoporous silica was studied. The behaviour of the thin PFA film homogeneously dispersed on the silica surface (the material with the real PFA/MC…