*  Liquid oxygen - Wikipedia
... usually in combination with liquid hydrogen, kerosene or methane. Liquid oxygen is useful in this role because it creates a ... liquid oxygen is classified as an industrial gas and is widely used for industrial and medical purposes. Liquid oxygen is ... In 1985 the USAF started a program of building its own oxygen-generation facilities at all major consumption bases. By 1845, ... Oxygen storage Industrial gas Cryogenics Karol Olszewski and Zygmunt Florenty Wróblewski Liquid hydrogen Liquid helium Liquid ...
  https://en.wikipedia.org/wiki/Liquid_oxygen
*  What is Consuming Hydrogen and Acetylene on Titan? | International Space Fellowship
The list of liquid candidates is very short: liquid methane and related molecules like ethane. While liquid water is widely ... "We suggested hydrogen consumption because it's the obvious gas for life to consume on Titan, similar to the way we consume ... oxygen on Earth," McKay said. "If these signs do turn out to be a sign of life, it would be doubly exciting because it would ... The new hydrogen findings are consistent with conditions that could produce an exotic, methane-based life form, but do not ...
  http://spacefellowship.com/news/art20655/what-is-consuming-hydrogen-and-acetylene-on-titan-.html
*  Biogas Compressors - Product - HANNOVER MESSE 2018
Oxygen, Nitrogen, Hydrogen, Biogas, Methane, Carbon dioxide, Nitrous oxide Wurzen Series: Medium Pressure compressor * Low ... These are widely used to feed biogas at medium pressure to purification plants. Compressors conform to CE/ATEX/PED standards. ... Gases: Hydrogen, Helium, Argon, Nitrogen, Methane, Syngas, Biogas -Conformance to CE/ ATEX/ PED European Standard -All gas ... Oxygen Compressor - Oil-less Design Ventos oxygen compressors have an oil-less design. This is based on de-ionized water ...
  http://www.hannovermesse.de/product/biogas-compressors/2557098/X121554
*  Hydrogen - Wikipedia
Hydrogen gas is produced by some bacteria and algae and is a natural component of flatus, as is methane, itself a hydrogen ... The hydrogen autoignition temperature, the temperature of spontaneous ignition in air, is 500 °C (932 °F). Pure hydrogen-oxygen ... The natural cycle of hydrogen production and consumption by organisms is called the hydrogen cycle. Water splitting, in which ... Ignition of leaking hydrogen is widely assumed to be the cause, but later investigations pointed to the ignition of the ...
  https://en.wikipedia.org/wiki/Hydrogen
*  METHANE-BASED | spectre footnotes
... www.nasa.gov/topics/solarsystem/features/titan20100603.html What is Consuming Hydrogen and Acetylene on Titan / 06.03.10 Two ... In short, the life would get its energy by "burning" the hydrogen with a carbon source instead of oxygen, releasing methane (CH ... "We suggested hydrogen consumption because it's the obvious gas for life to consume on Titan, similar to the way we consume ... The list of liquid candidates is very short: liquid methane and related molecules like ethane. While liquid water is widely ...
  https://spectregroup.wordpress.com/2010/06/10/methane-based/
*  Bioremediation (Soil and Groundwater) Applications on Environmental XPRT
Anaerobic digestion is widely used as a renewable energy source because the process produces a methane and carbon dioxide rich ... The pattern of oxygen uptake in aerobic tests; nitrogen gas production in anoxic denitrification tests; methane production in ... Enhanced anaerobic biodegradation is the practice of adding hydrogen (an electron donor) to groundwater and/or soil to increase ... resource consumption and waste. Typical products include bioethanol, industrial enzymes, biological fuel cells, enzymes for ...
  https://www.environmental-expert.com/soil-groundwater/bioremediation/applications
*  Methanol - Wikipedia
Carbon monoxide and hydrogen react over a catalyst to produce methanol. Today, the most widely used catalyst is a mixture of ... The production of synthesis gas from methane produces three moles of hydrogen for every mole of carbon monoxide, whereas the ... It does not persist in either aerobic (oxygen-present) or anaerobic (oxygen-absent) environments. The half-life for methanol in ... Lindinger W (1997). "Endogenous production of methanol after the consumption of fruit". Alcoholism, Clinical and Experimental ...
  https://en.m.wikipedia.org/wiki/Methanol
*  Patente US6846584 - Process for generating electricity with a hydrogen fuel cell - Google Patentes
The hydrogen ions resulting from the enzymatic process are recovered and combined in order to supply the hydrogen fuel cell. ... Finally, water, a by-product of the oxidizing reaction of the hydrogen fuel cell, is recovered and recycled back into the ... The object of the invention is the coupling of a hydrogen fuel cell to an enzymatic process for the production of electricity ... CO2 emissions from processes such as hydrocarbon reforming are transformed into carbonate or bicarbonate ions and hydrogen ions ...
  http://www.google.es/patents/US6846584
*  Methanol | Encyclopedia.com
Fuel cell vehicles run on hydrogen, yet due to hydrogen's low energy density, it is expensive to transport and store. Thus, ... The most popular modern method of producing methanol, which is also the least costly, is from natural gas (methane) by the ... Methanol accounted for less than one hundredth of one percent of total transportation fuel consumption in 1999. However, it is ... the most widely used gasoline additive that boosts octane and reduces the level of emissions. To reduce carbon monoxide ...
  https://www.encyclopedia.com/science-and-technology/chemistry/organic-chemistry/methanol
*  Water Treatment | Corrosion | Magnesium
... hydrogen carbonate) Chloride Sulphate Nitrate Fluoride Oxygen Hydrogen sulphide Methane Chlorine. while at the other end might ... This setup is widely used in ultra filtration for very polluted liquids.7. a special layout is used. where one does not wish to ... 15 days' consumption. The suction pipe should be no longer than 2 m. Chemical treatment (dosing pumps) 8. If the solution in ... oxygen is added to the water.2. A collection of boreholes is called a well site. methane [CH4]. Table 5: The proportion of ...
  https://www.scribd.com/doc/124742455/Water-Treatment
*  What Is Bacteria | Definition Of Bacteria | All About Bacteria | Characteristics Of Bacteria | Function Of Bacteria |...
Consumption of the hydrogen gas stimulates the metabolism of other bacteria.. Despite the fact that methanogens have such a ... Bacteria that grow only in the absence of oxygen, such as Clostridium, Bacteroides, and the methane-producing archaea ( ... Some bacteria are widely used in the preparation of foods, chemicals, and antibiotics. Studies of the relationships between ... Oxygen is a very reactive molecule and forms several toxic by-products, such as superoxide (O2−.), hydrogen peroxide (H2O2), ...
  http://www.academicroom.com/topics/what-is-bacteria
*  EVS(1st & 2nd sem) | Water Resources | Ecosystem
Natural gas mainly consists of a) Carbon dioxide b) Hydrogen c) Methane d) Oxygen 36. A good example of cleanest source of ... The energy consumption for Global transportation is about a) 42% b) 24% c) 4% d) 34% 18. Energy consumption for Domestic & ... However, they are not widely used due to the fact that they are very costly to extract and refine. Majority of fossil fuels are ... Oxygen & Hydrogen c) Nitrogen & Hydrogen d) Hydrogen & Carbon 48. Hydrogen as a fuel has a) No energy c) High energy b) Low ...
  https://www.scribd.com/doc/6668952/EVS-1st-2nd-sem
*  Sulfur - Wikipedia
H+ Hydrogen sulfide gas and the hydrosulfide anion are extremely toxic to mammals, due to their inhibition of the oxygen- ... They are widely known as the odorant in domestic natural gas, garlic odor, and skunk spray. Not all organic sulfur compounds ... Sulfur reacts directly with methane to give carbon disulfide, used to manufacture cellophane and rayon. One of the direct uses ... Without this preservative step, indefinite refrigeration of the product before consumption is usually required. Similar methods ...
  https://en.wikipedia.org/wiki/Sulfur
*  High Temperature Combustion Analyzer Articles on Environmental XPRT
... hydrogen, methane, CO2). At the end of the process chain, these can provide highly pure materials such as niacin (vitamin B3) ... The oxygen required for the combustion is supplied as part of the combustion air that is fed to the process. In ideal ( ... Minimizing ammonia consumption in DeNOx plants - Case Study Flue gas denitrification Combustion processes result in emissions ... FTIR Spectroscopy is a widely used technique for gas analyses in industrial applications. It is a technique used in the ...
  https://www.environmental-expert.com/articles/keyword-high-temperature-combustion-analyzer-81403
*  Environmental impact of meat production - Wikipedia
... animal methane, effluent waste, and water and land consumption. Meat is obtained through a variety of methods, including ... A previous widely cited FAO report using somewhat more comprehensive analysis had estimated 18 percent. Because this emission ... This type of production chain produces copious byproducts; endotoxin, hydrogen sulfide, ammonia, and particulate matter (PM), ... This has resulted in increased phosphates, nitrates, decreased dissolved oxygen, increased temperature, turbidity, and ...
  https://en.wikipedia.org/wiki/Environmental_impact_of_meat_production
*  Helium - Wikipedia
... methane (a combustible percentage only with sufficient oxygen), 1% hydrogen, and 12% an unidentifiable gas. With further ... 2014 was widely acknowledged to be a year of over-supply in the helium business, following years of renowned shortages. Nasdaq ... Meanwhile, by 2000, the consumption of helium within the U.S. had risen to more than 15 million kg per year. In 2004-2006, ... This effect may be countered to some extent by adding an amount of narcotic gas such as hydrogen or nitrogen to a helium-oxygen ...
  https://en.wikipedia.org/wiki/Helium
*  Alternative energy - Wikipedia
The methane gas that is collected and refined can be used as an energy source for various products. Hydrogen gas is a ... It requires the use of single celled organisms to create hydrogen gas through fermentation. Without the presence of oxygen, ... With the increasing consumption levels of energy, it is projected that the levels would increase by 21% in 2030. The cost of ... On the other hand, alternative energy can be widely produced with basic equipment and natural processes. Wood, the most ...
  https://en.wikipedia.org/wiki/Alternative_energy
*  building materials in hotel refurbishment project | Life Cycle Assessment | Green Building
Year Natural Gas Consumption (m3) Eletricity Consumption (KWh) 5.898 74.934.1: Operating energy consumption of Hotel A by years ... Organic wastes such as sewage impose high oxygen demands on the receiving water leading to oxygen depletion with potentially ... hydrogen chloride (HCl). Air pollution index (API) displays the emissions to air for each air emission type by life cycle stage ... methane (CH4). oil and grease. It captures the pollution or human health effects of groups of substances emitted at various ...
  https://www.scribd.com/document/133811744/building-materials-in-hotel-refurbishment-project
*  Fuel cell vehicle - Wikipedia
There were only two seats, as the fuel cell stack and large tanks of hydrogen and oxygen took up the rear portion of the van. ... "Distributed Hydrogen Production via Steam Methane Reforming". However, this 25% reduction is attributable to comparisons with ... oil consumption. In 2017, Michael Barnard, writing in Forbes, listed the continuing disadvantages of hydrogen fuel cell cars ... NREL and EPA data that disproves widely held policy assumptions concerning claimed emissions benefits from the use of Hydrogen ...
  https://en.wikipedia.org/wiki/Fuel_cell_vehicle
*  Search Results - - 42 Results - Digital Library
... reduce fuel consumption and, depending on the costs of oxygen and fuel, reduce energy costs. The front end of a fiberglass ... While nearly all cultures produced methane, we were unable to confirm sustained methane production from the enrichments. We ... Description: The growing interest in gaseous fuels (hydrogen and natural gas) for internal combustion engines calls for the ... The problems and solutions vary widely among geographic areas and among large investor-owned utilities, rural cooperatives, and ...
  https://digital.library.unt.edu/search/?q5=%22Natural+Gas%22&searchType=advanced&t5=dc_subject&fq=str_day%3A06
*  Patent US5205843 - Process for removing condensable components from gas streams - Google Patents
... oxygen, carbon dioxide, methane, ethane or hydrogen. ... A widely used treatment method is condensation. The idea is to ... It has previously been considered generally desirable from the point of view of efficiency, particularly energy consumption, to ... Process for recovering hydrogen from a multi-component gas stream. US4675030 *. Mar 18, 1985. Jun 23, 1987. Costain Petrocarbon ... Methane/nitrogen separation process. US5753009 *. May 14, 1996. May 19, 1998. New Jersey Institute Of Technology. Method and ...
  http://www.google.com/patents/US5205843?dq=6004266
*  DiVA - Search result
Fermentative hydrogen and methane productions using membrane bioreactors2015Doctoral thesis, comprehensive summary (Other ... what level of oxygen saturation is obtained with each method and the power consumption required oxygenating the sewage water. ... Targeting Escherichia coli as a faecal indicator is a widely used procedure, but the current methods are time consuming and not ... The level of oxygen saturation was between 1, 8 - 5, 9 mg oxygen per liter sewage water in all plants. Marinflocs' current ...
  http://www.diva-portal.org/smash/resultList.jsf?dswid=0&searchType=SUBJECT&language=en&onlyFullText=false&af=%5B%5D&aq=%5B%5B%7B%22categoryId%22%3A%2211627%22%7D%5D%5D
*  Formaldehyde - Wikipedia
When produced in the atmosphere by the action of sunlight and oxygen on atmospheric methane and other hydrocarbons, it becomes ... Widely used toxic organic compound Formaldehyde (systematic name methanal), is a naturally occurring organic compound with the ... Similarly, when combined with hydrogen sulfide, it forms trithiane. 3CH2O + 3H2S → (CH2S)3 + 3H2O In the presence of acids, it ... Production of formaldehyde resins accounts for more than half of formaldehyde consumption. Formaldehyde is also a precursor to ...
  https://en.wikipedia.org/wiki/Formaldehyde
*  Petroleum - Wikipedia
Daily oil consumption from 1980 to 2006 Oil consumption by percentage of total per region from 1980 to 2006: USA Europe Asia ... Too little oxygen during combustion results in the formation of carbon monoxide. Due to the high temperatures and high ... First adopted by PEMEX in 1986, market-linked pricing was widely accepted, and by 1988 became and still is the main method for ... The cycloalkanes, also known as naphthenes, are saturated hydrocarbons which have one or more carbon rings to which hydrogen ...
  https://en.wikipedia.org/wiki/Petroleum
*  US5336831A - Olefin isomerization process - Google Patents
Although the principal isomerization reaction does not consume hydrogen, there may be net consumption of hydrogen in such side ... These streams may require removal of polar contaminants such as sulfur, nitrogen or oxygen compounds by, e.g., extraction or ... The combination of olefin isomerization and etherification in a process combination has been widely disclosed, e.g., in a paper ... Inert diluents such as nitrogen, argon, methane, ethane and the like may be present. ...
  https://patents.google.com/patent/US5336831