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*  Particulates - Wikipedia
... nitrogen oxides, carbon monoxide, mineral dust, organic matter, and elemental carbon also known as black carbon or soot. The ... Secondary particles derive from the oxidation of primary gases such as sulfur and nitrogen oxides into sulfuric acid (liquid) ... Additionally, heating a layer of the atmosphere relative to the surface results in a more stable atmosphere due to the ... and nitric acid (gaseous). The precursors for these aerosols-i.e. the gases from which they originate-may have an anthropogenic ...
  https://en.wikipedia.org/wiki/Particulates
*  Aluminium nitride - Wikipedia
AlN is synthesized by the carbothermal reduction of aluminium oxide in the presence of gaseous nitrogen or ammonia or by direct ... Above this temperature bulk oxidation occurs. Aluminium nitride is stable in hydrogen and carbon dioxide atmospheres up to 980 ... surface oxidation occurs above 700 °C, and even at room temperature, surface oxide layers of 5-10 nm have been detected. This ... AlN nanotubes as inorganic quasi-one-dimensional nanotubes, which are isoelectronic with carbon nanotubes, have been suggested ...
  https://en.wikipedia.org/wiki/Aluminium_nitride
*  Patente US4843051 - Fluid catalytic cracking regeneration with reduction of nitrogen emissions - Google Patentes
Secondary air is introduced at a higher level in the combustor to complete oxidation of the oxidizable, gaseous carbon content ... formation of nitrogen oxides is disfavored and if any nitrogen oxides are formed, they are reduced to nitrogen or other reduced ... This atmosphere reduces NOx species to molecular nitrogen, ammonia and other nitrogenous compounds. ... The regeneration effluent gases include excess oxygen, carbon monoxide and carbon dioxide together with nitrogen from the ...
  http://www.google.es/patents/US4843051
*  Global Climate Change
denitrification reduction of inorganic nitrate (NO3) and nitrite (NO2) to nitrogen gas (N2) and nitrous oxide (N2O) by ... evaporation the movement of gaseous water (water vapor) from the Earth's surface to the atmosphere; evaporate (verb). ... carbon source a place where carbon is produced or released. For example, plants release carbon in the form of carbon dioxide ... combustion the more rapid process of oxidation that occurs when organic matter ignites and burns, producing light and heat; it ...
  http://www.cotf.edu/ETE/modules/climate/GCglossary.html
*  Ammonia N 13 | Article about ammonia N 13 by The Free Dictionary
... forming water and free nitrogen. Catalytic oxidation of ammonia produces nitrogen oxides, which are then converted to nitric ... The density of gaseous ammonia at 0°C and 101.3 kilonewtons (kN) per square meter (760 mm Hg) is 0.7714 kg/m3; it has a boiling ... Ammonia forms a minute proportion of the atmosphere; it is found in volcanic gases and as a product of decomposition of animal ... for Ernest Solvay], commercial process for the manufacture of sodium carbonate (washing soda). Ammonia and carbon dioxide are ...
  http://encyclopedia2.thefreedictionary.com/ammonia+N+13
*  ASMscience | Aspergillus flavus
... input of nitrogen affects microbial transformations of inorganic N with particular emphasis on emissions of gaseous N-oxides to ... the atmosphere. Ammonia-oxidizing bacteria (AOB) can produce nitrous oxide by two different pathways, hydroxylamine oxidation ... Many of the studies cited in this chapter suggest that these processes are strongly influenced by the availability of carbon, ... The δ15N of nitrous oxide produced from hydroxylamine oxidation was significantly more positive than that from nitrifier ...
  http://www.asmscience.org/content/concept/Entity/ASM/Microbiology/Infection_and_Immunity/Infection/Infectious_Pathogens/Pathogenic_Fungi/Animal_Pathogenic_Fungi/Aspergillus_flavus
*  Carbon Dioxide Removal News on Environmental XPRT
Get the latest carbon dioxide removal news on Environmental XPRT, the world's largest environmental industry marketplace and ... system to remove oxides of nitrogen and other gaseous contaminants, such as hydrogen cyanide (HCN), from SGL Carbon Fibers' ... Carbon dioxide levels reach milestone at Arctic sites The concentration of carbon dioxide in the atmosphere of Barrow, Alaska, ... has installed and commissioned a combined Regenerative Thermal Oxidation (RTO) system and a Selective Catalytic Reduction (SCR ...
  https://www.environmental-expert.com/news/keyword-carbon-dioxide-removal-11353
*  Market Forecast Report on Aluminium Nitride 2017-2027
It is manufactured by the carbo-thermal reduction of aluminium oxide in the presence of gaseous ammonia or nitrogen or by ... Aluminium nitride is stable in carbon dioxide and hydrogen atmospheres up to 980 C. On the basis of stability of metal nitrides ... Aluminium nitride components are stable at high temperatures; in inert conditions and in air, oxidation occurs at above 700 C. ...
  http://www.openbroadcast.de/article/489177/market-forecast-report-on-aluminium-nitride-2017-2027.html
*  USRE34298E - Method for waste disposal - Google Patents
By varying the ratio of said oxidizing gases, the amount of total oxygen and nitrogen delivered in either means can be ... An increase in the oxygen/nitrogen ratio immediately increases the temperature of the gaseous atmosphere of the afterburner ... Soot and halogens are largely absorbed and sulfur dioxide and nitrogen oxides are partially removed in the scrubber. Some polar ... Therefore, the waste incineration steps must insure the thermal destruction of carbon monoxide, soot and PICs in the gaseous ...
  https://patents.google.com/patent/USRE34298E/en
*  PPT - Gases PowerPoint Presentation - ID:160387
Blackdamp-carbon dioxide and nitrogen in an oxygen-deficient atmosphre *Afterdamp-gaseous products and smoke produced by a fire ... Source: Complete combustion, slow oxidation of carbon products Atmosphere *Characteristics: No color or odor, acidic taste ... Oxides of Nitrogen very low oxygen and collapsed *Formed at high temperatures by diesel and gasoline engines, electrical ... Gas Quiz atmosphere is to use detectors approved by MSHA *Carbon monoxide is present in a mine fire and the best protection ...
  https://www.slideserve.com/Ava/gases
*  Human impact on the nitrogen cycle - Wikipedia
... to atmospheric nitrogen gas [N2]). Both processes naturally leak nitric oxide (NO) and nitrous oxide (N2O) to the atmosphere. ... Although terrestrial denitrification produces gaseous intermediates (nitric oxide [NO] and nitrous oxide [N2O]), the last step- ... Nitrogen effects on biodiversity, carbon cycling, and changes in species composition have also been demonstrated. In highly ... high temperatures and pressures provide energy to produce NO from N2 oxidation. Additionally, when fossil fuel is extracted and ...
  https://en.wikipedia.org/wiki/Human_impact_on_the_nitrogen_cycle
*  Oxide - Wikipedia
... some oxides are molecules. Examples of molecular oxides are carbon dioxide and carbon monoxide. All simple oxides of nitrogen ... Some important gaseous oxides Carbon dioxide is the main product of fossil fuel combustion. Carbon monoxide is the product of ... One exception is copper, for which the highest oxidation state oxide is copper(II) oxide and not copper(I) oxide. Another ... Virtually all elements burn in an atmosphere of oxygen, or an oxygen rich environment. In the presence of water and oxygen (or ...
  https://en.wikipedia.org/wiki/Oxide
*  EVS(1st & 2nd sem) | Water Resources | Ecosystem
Nitrogen and Carbon combine with oxygen to form compounds known as oxide. These oxides when released into the atmosphere, they ... carbon, nitrogen, gaseous cycles. In sedimentary cycles the main reservoir is the soil, the sedimentary and other types of ... They consume oxygen for bio As a chemical oxidation of the organic matter, and for their own respiration. that is abundantly ... nitrogen oxides and Sulphur dioxide. •Nitrogen oxide reduction. The main method of lowering the levels of nitrogen oxides is by ...
  https://www.scribd.com/doc/6668952/EVS-1st-2nd-sem
*  Patent US5672196 - Process and apparatus for the separation of gases - Google Patents
... carbon oxides and unreacted hydrocarbon. The gas stream exits the partial oxidation reactor and next passes through the product ... can be any of the well-known adsorbents that adsorb gaseous hydrocarbons more strongly than they do adsorb carbon oxides, ... nitrogen, oxygen, etc. Suitable adsorbents include silica gel, activated carbon, molecular sieves, such as natural zeolites, ... The purge gas-moisture leaving vessel 220' can be vented to the atmosphere or used in downstream operations, such as in ...
  http://www.google.com/patents/US5672196?dq=7493558
*  Carbon monoxide - New World Encyclopedia
Peroxy radicals react with nitrogen oxide to increase the ratio of NO2 to NO, which reduces the quantity of NO that is ... Carbon monoxide is created when carbon-containing fuels are burned incompletely. Through natural processes in the atmosphere, ... Only those in lower oxidation states will complex with carbon monoxide ligands. This is because there must be sufficient ... by heating zinc oxide with coke. He mistakenly concluded that the gaseous product was hydrogen, as it burned with a blue flame ...
  http://www.newworldencyclopedia.org/entry/Carbon_monoxide
*  What Is Bacteria | Definition Of Bacteria | All About Bacteria | Characteristics Of Bacteria | Function Of Bacteria |...
Nitrogen exists in nature in several oxidation states, as nitrate, nitrite, dinitrogen gas, several nitrogen oxides, ammonia, ... Elements that are central to life, such as carbon, nitrogen, and sulfur, are converted by bacteria from inorganic gaseous ... and organic carbon is returned to the atmosphere by heterotrophic life-forms. The major breakdown product of microbial ... Methane, another gaseous end product of carbon metabolism, is a relatively minor component of the global carbon cycle but of ...
  http://www.academicroom.com/topics/what-is-bacteria
*  Ozone Analyser Articles on Environmental XPRT
Further, oxides of nitrogen (NOx), carbon monoxide (CO), Suspended Particulate Matter .... Jun. 29, 2009. By Inderscience ... Comparison of Fenton's oxidation and ozonation for removal of estrogens This study compares efficiency of Fenton's oxidation ... When it comes to monitoring and analysis of gaseous species (atoms or more commonly molecules), it turns out that it often is ... Surface ozone measurements and meteorological influences in the urban atmosphere of Istanbul Hourly measurements of ozone ...
  https://www.environmental-expert.com/articles/keyword-ozone-analyser-73049
*  Hybrid fischer-tropsch catalysts and processes for use thereof - Chevron U.S.A. Inc.
The reaction can occur at a temperature from 200 to 260° C., a pressure from 5 to 40 atmospheres, and a gaseous hourly space ... Synthesis of mesoporous oxide. 1994-08-02. Beck et al.. 5246689. Synthetic porous crystalline material its synthesis and use. ... The oxidation step should be limited to from 200° C. to 300° C. These activation steps are conducted while heating at a rate of ... After this time, the gas feed was switched to nitrogen to purge the system and the unit was then cooled to ambient temperature ...
  http://www.freepatentsonline.com/9023899.html
*  New Page 1
NITROGEN DIOXIDE (NO2): A compound produced by the oxidation of nitric oxide in the atmosphere; a major contributor to ... ATMOSPHERE: The gaseous envelope of air that surrounds the earth and is held to it by the force of gravity. ATTRITION: Wearing ... Carbon, oxygen, hydrogen, and nitrogen are examples. MARSH: A low-lying tract of soft wetland that provides an important ... NO: A notation meaning oxides of nitrogen, See Nitric Oxide. NONRENEWABLE RESOURCES: See Finite Resources. NUCLEAR POWER PLANT ...
  http://www.treedictionary.com/DICT2003/hardtoget/ma149/pg_146-174/index.html
*  Method for removing soot from exhaust gases (Patent) | DOepatents
A continuous method is presented for removing both oxides of sulfur and oxides of nitrogen from combustion or exhaust gases ... A process and catalyst are disclosed for purifying an atmosphere containing carbon monoxide by passing the atmosphere through a ... A continuous catalytic fused salt extraction process is described for removing sulfur oxides from gaseous streams. The gaseous ... Oxygen activation on Cu/Mn-Ce mixed oxides and the role in diesel soot oxidation journal, December 2008 * Liang, Qing; Wu, ...
  https://www.osti.gov/doepatents/biblio/1417341
*  ACID RAIN: Sources of Acid Rain
Both nitrogen and sulfur oxides are known to react with water in the atmosphere to form acids. These reactions are the source ... The gaseous NO3 then reacts with any reactive hydrogen donor ( X ) in the atmosphere: ... On a global scale, most SO2 is produced by volcanoes and by the oxidation of sulfar gases produced by the decomposititon of ... The other half of the sulfur however, is bonded in the complex carbon structure and cannot be removed without expensive ...
  http://worldacidrainsecrets.blogspot.ca/2010/04/sources-of-acid-rain.html
*  US4322383A - Gas component detection apparatus - Google Patents
A catalyst is carried at least by the first sensing element for promoting oxidation reactions of the gaseous components of the ... The first pair of electrodes sense a variation in electric resistances resulting from the gaseous components and temperatures ... Consequently, an output signal reflecting substantially only the gaseous components of the gases is produced by offsetting both ... A gas component detection apparatus comprises a first and a second gas sensing elements each composed of a metal oxide which ...
  https://patents.google.com/patent/US4322383
*  gasoline facts, information, pictures | Encyclopedia.com articles about gasoline
Use of RFG decreases the amounts of volatile organic compounds (VOCs) and oxides of nitrogen (NOx ) in the atmosphere that ... After separation of the aqueous layer, the oil is heated to about 400 oC (752oF): This converts the oil into gaseous products ... The heaviest oils may contain up to 25 carbon atoms and not reach their boiling point until 761°F (405°C). ... They function as hydrogen atom donors that stop the chain oxidation process of the olefins. The two different types of ...
  http://encyclopedia.com/node/1223872
*  Search - SAE International
Low-carbon gaseous fuels with clean emissions were used as the test fuels. The specific fuels used were dimethyl ether (DME, ... One reason is that this new combustion system achieves lower fuel consumption and simultaneous reductions of nitrogen oxide ( ... One was dimethyl ether (DME) that has a high cetane number, autoignites easily and displays low-temperature oxidation reaction ... On the other hand, two combustion concepts proposed for two-cycle spark-ignition (SI) engines are Active Thermo-Atmosphere ...
  http://www.sae.org/search/?sort=relevance&sort-dir=desc&display=list&authors=%28%22Hideo+Shoji%22%29
*  Nitrogen - Wikipedia
It is made by catalytic oxidation of ammonia to nitric oxide, which is oxidised to nitrogen dioxide, and then dissolved in ... Some examples include: As a modified atmosphere, pure or mixed with carbon dioxide, to nitrogenate and preserve the freshness ... Liquid nitrogen readily evaporates to form gaseous nitrogen, and hence the precautions associated with gaseous nitrogen also ... Nitrogen tanks are also replacing carbon dioxide as the main power source for paintball guns. Nitrogen must be kept at higher ...
  https://en.wikipedia.org/wiki/Nitrogen