Hydrogen sulfide
TítuloRemoval od hydrogen sulfide using upflow and downflow biofilters
... for hydrogen sulfide ...the hydrogen sulfide removal efficiency among four different biofilter media comprising compost, bamboo fluff soil, lava rock and activated ...and hydrogen ...
10
TítuloEffects of pH, CO2, and flow pattern on the autotrophic degradation of hydrogen sulfide in a biotrickling filter
... that hydrogen sulfide incompletely dissociates in the water phase, resulting in the coexistence of the ionized and unionized forms, complicates the description of hydrogen sulfide removal ...
17
TítuloPerformance evaluation of biofiltration in the removal of hydrogen sulfide from gas flue
... of hydrogen sulfide from waste gas stream was studied in a bench scale biofilter constructed from galvanized iron with inner diameter of 8 cm and height of ...
8
TítuloCo treatment of hydrogen sulfide and methanol in a single stage biotrickling filter under acidic conditions
... Biofiltration of waste gases is cost-effective and environment-friendly compared to the conventional techniques for treating large flow rates of gas streams with low concentrations of pollutants. Pulp and paper industry ...
15
Amino acids as modulators of the production of hydrogen sulfide in problematic wine fermentations
... in sulfide production is nitrogen requirements, as DAP supplementation, related to must sugar ...higher sulfide production was ...its sulfide release in around 100mg/L, a level that is sensorially ...
114
TítuloLong term effects of hydrogen sulfide on the anabolic catabolic balance of articular cartilage in vitro
... With respect to the catabolic enzymes, the present results also demonstrated clear protective effects against the increased MMPs levels. IHCs for MMP3 and 13 also showed a significant increase with stimulation with IL-1β ...
15
TítuloEffects of CO2 and methanol on the degradation of hydrogen sulfide in a biotrickling filter
... variety of polluted gas streams, e.g. pressurized natural gas, synthesis gas, biogas, as well as polluted air released from wastewater treatment plants, pulp and paper industries, or refineries. Different authors ...
7
TítuloAutotrophic deodorization of hydrogen sulfide in a biotrickling filter
... The total suspended solids (TSS) and volatile suspended solids (VSS) were occasionally analysed to monitor the biomass growth. After a few days, it was found that some elemental sulfur was formed in the water phase and ...
11
Experimental characterization of a microtubular solid oxide fuel cell fueled with hydrogen, methane and hydrogen sulfide
... molecules hydrogen and one atom of carbon, with no exchange of electrons through the external circuit) can occur without current being applied, so the total flow at the outlet of the fuel cell is not only ...
282
Free and graphene supported metallic nanoparticles and their interaction with hydrogen
... in hydrogen fuel-cell powered electric ...for hydrogen storage is focused on light solid materials, such as nanoporous ...high hydrogen storage capacities at low temperature ( ∼ 77 K), but at room ...
159
Hydrogen Chemical Configuration and Thermal Stability in Tungsten Disulfide Nanoparticles Exposed to Hydrogen Plasma
... atomic hydrogen. So we have to admit that the amount of atomic hydrogen intercalated in between the layers of platelets, IF, and NT is non-significant during the Raman measurements, perhaps because the ...
28
Evaluation of a Long Term System coupled with a Short Term System of a hydrogen based microgrid
... in hydrogen cars or local energy consumptions [1]. Hydrogen-based microgrids can be a useful alternative for isolated locations as they provide energy without the need of fuel fuels and electricity grid ...
6
SN 2017dio: A Type Ic Supernova Exploding in a Hydrogen rich Circumstellar Medium
... SN 2017dio shows both spectral characteristics of a type-Ic supernova ( SN ) and signs of a hydrogen-rich circumstellar medium ( CSM ) . Prominent, narrow emission lines of H and He are superposed on the ...
8
Solid state hydrogen storage in alanates and alanate based compounds: a review
... the hydrogen release can take place at a lower ...same hydrogen desorption path: the hexahydride is formed by transferring the alkali cation M + and a hydrogen anion H - from the two neighboring ...
15
Mineral magnetite as precursor in the synthesis of multi walled carbon nanotubes and their capabilities of hydrogen adsorption
... safe hydrogen storage medium [3 e ...of hydrogen storage capacity of CNTs are still very few, and the hydrogen storage into CNTs and the factors affecting the adsorption remains still unclear ...of ...
9
A comparative study of the physical properties of Sb2S3 thin films treated with N2 AC plasma and thermal annealing in N2
... X-ray diffraction (XRD) and compositional analyses: Fig. 1 shows the X-ray diffraction (XRD) patterns for asdeposited, plasma treated, and thermally annealed antimony sulfide thin films. No diffraction peaks were ...
15
TítuloRemoval of hydrogen sulphide by immobilized Thiobacillus thioparus in a biofilter packed with polyurethane foam
... Recently, people in many countries have encountered numerous air pollution problems, especially those associated with bad odour. It is well known that more than three hundred substances can cause this problem, but ...
8
Optical properties of bio inspired silver sulfide structures
... Silver sulfide bio-inspired structures were successfully synthesized by a simple solid–vapor reaction. They show a leaf-like morphology with the presence of secondary prickle like structures. It was found that the ...
13
A study about regioisomeric hydroquinones with multiple intramolecular hydrogen bonding
... a hydrogen bond between the phenolic oxygen atom and the proton of the secondary hydroxyl group, and it has a population higher than 95% at 298 ...without hydrogen bonding between the hydroxyalkyl ...
15
TítuloDevelopment of a family of large scale biothechnological processes to desukphurise industrial gases
... In this paper an overview is given of a new biotechnological process to remove hydrogen sulphide from gas streams. This process is jointly developed by Wageningen University, Delft University of Technology, Paques ...
17