Consolidation coal company process for producing high btu gas by catalytic methanation of synthesis gas. Heat for the reaction of coal and steam is supplied by reacting the carbon dioxide formed with calcined dolomite.
(Prior to July 1993, this was a valid ETDE descriptor.)
USE coal gasification USE sng processes
CARBON DIOXIDE COOLED REACTORS
*BT1 gas cooled reactors NT1 berkeley reactor NT1 bohunice a-1 reactor NT1 bradwell reactor NT1 bugey-1 reactor NT1 calder hall a-1 reactor NT1 calder hall a-2 reactor NT1 calder hall b-3 reactor NT1 calder hall b-4 reactor NT1 cesar reactor NT1 chapelcross-1 reactor NT1 chapelcross-2 reactor NT1 chapelcross-3 reactor NT1 chapelcross-4 reactor NT1 chinon-1 reactor NT1 chinon-2 reactor NT1 chinon-3 reactor NT1 connah quay-b reactor NT1 dungeness-a reactor NT1 dungeness-b reactor NT1 el-2 reactor NT1 el-4 reactor NT1 g-2 reactor NT1 g-3 reactor NT1 hartlepool reactor NT1 hector reactor NT1 hero reactor NT1 heysham-a reactor NT1 heysham-b reactor NT1 hinkley point-a reactor NT1 hinkley point-b reactor NT1 hunterston-a reactor NT1 hunterston-b reactor NT1 latina reactor NT1 lucens reactor NT1 niederaichbach reactor NT1 oldbury-a reactor NT1 oldbury-b reactor NT1 saint laurent-1 reactor NT1 saint laurent-2 reactor NT1 sizewell-a reactor NT1 tokai-mura reactor NT1 torness reactor NT1 trawsfynydd reactor NT1 vandellos reactor NT1 wagr reactor NT1 wylfa reactor RT agr type reactors RT gcr type reactors RT magnox type reactors CARBON DIOXIDE FIXATION
1982-02-10
UF fixation (carbon dioxide) RT air
RT c4 species RT calvin cycle species RT carbon cycle RT carbon dioxide RT carbon sources RT metabolism RT photosynthesis RT plant growth
RT ribulose diphosphate carboxylase
CARBON DIOXIDE INJECTION 158 CARBONATE ROCKS CARBON DIOXIDE INJECTION
INIS: 1992-01-15; ETDE: 1978-08-07 UF co2 flooding
*BT1 miscible-phase displacement RT enhanced recovery RT oil wells RT well stimulation CARBON DIOXIDE LASERS
*BT1 gas lasers RT antares facility RT helios facility CARBON FIBERS
INIS: 1983-03-15; ETDE: 1975-11-11 UF graphite fibers
BT1 fibers RT carbon RT graphite
CARBON FLUORIDES BT1 carbon compounds
*BT1 fluorides
CARBON-GROUP TRANSFERASES INIS: 1986-12-03; ETDE: 1991-08-27
*BT1 transferases NT1 methyl transferases CARBON IONS
*BT1 ions
CARBON ISOTOPES 1999-07-16
BT1 isotopes NT1 carbon 10 NT1 carbon 11 NT1 carbon 12 NT1 carbon 13 NT1 carbon 14 NT1 carbon 15 NT1 carbon 16 NT1 carbon 17 NT1 carbon 18 NT1 carbon 19 NT1 carbon 20 NT1 carbon 22 NT1 carbon 8 NT1 carbon 9 CARBON METERS
INIS: 1978-01-16; ETDE: 1977-08-09
*BT1 meters RT carbon
RT chemical analysis CARBON MONOXIDE
UF cosorb process
*BT1 carbon oxides RT bosch process RT carbonyls RT carboxyhemoglobin CARBON MONOXIDE LASERS
*BT1 gas lasers CARBON NITRIDES
BT1 carbon compounds
*BT1 nitrides
carbon-nitrogen-oxygen cycle
INIS: 1978-09-28; ETDE: 1978-10-19USE cno cycle
carbon oxide sulfide
INIS: 2000-04-12; ETDE: 1975-09-11 USE carbon oxysulfide
CARBON OXIDES BT1 carbon compounds
*BT1 oxides NT1 carbon dioxide NT1 carbon monoxide
RT oxycarbides
carbon oxychloride
USE phosgene
CARBON-OXYGEN LYASES INIS: 1986-12-03; ETDE: 1981-01-30 Code number 4.2.
UF polysaccharide-lyases
*BT1 lyases NT1 hyaluronidase NT1 hydro-lyases
NT2 carbonic anhydrase CARBON OXYSULFIDE
INIS: 2000-04-12; ETDE: 1975-09-11 UF carbon oxide sulfide UF carbonyl sulfide BT1 carbon compounds BT1 sulfur compounds RT carbonic acid derivatives CARBON SEQUESTRATION
2004-01-14
Removal of carbon and its compounds from the environment and deposition, for example, into geological formations, to keep them away from the atmosphere.
UF sequestration (carbon oxides)
*BT1 air pollution control BT1 separation processes RT carbon dioxide RT carbon sinks RT greenhouse gases CARBON SINKS
INIS: 1992-08-28; ETDE: 1981-08-04 BT1 sinks
RT carbon cycle RT carbon sequestration RT carbon sources RT mineral cycling CARBON SOURCES
INIS: 1992-08-28; ETDE: 1986-06-12 RT biosphere
RT carbon cycle
RT carbon dioxide fixation RT carbon sinks
RT pollution sources CARBON STARS
*BT1 main sequence stars CARBON STEELS
1996-11-13
Steels with carbon as the only alloying element.
UF steel-08g2sfb UF steel-astm-a350 (gr 1) UF steel-astm-a350 (gr 2) UF steel-astm-a416 UF steel-sae-1006
*BT1 steels NT1 steel-astm-a105 NT1 steel-astm-a106 NT1 steel-astm-a212 NT1 steel-astm-a285 NT1 steel-astm-a516 NT1 steel-astm-a533-b NT1 steel-in-787 NT1 steel-sae-1045 CARBON SULFIDES
UF sulfur carbides BT1 carbon compounds
*BT1 sulfides
CARBON TETRACHLORIDE 1985-07-22
(Prior to August 1985
TETRACHLOROMETHANE was used.) UF tetrachloromethane
*BT1 chlorinated aliphatic hydrocarbons RT methane
RT organic solvents
CARBON TETRAFLUORIDE INIS: 1985-07-22; ETDE: 1976-08-04 (Prior to August 1985
TETRAFLUOROMETHANE was used.) UF tetrafluoromethane
*BT1 fluorinated aliphatic hydrocarbons RT methane
CARBONACEOUS MATERIALS 1982-07-22
Materials rich in carbon.
BT1 materials
NT1 bituminous materials NT2 kerogen
NT2 oil sands NT2 oil shales
NT3 black shales NT1 coal
NT2 black coal NT3 anthracite NT3 bituminous coal NT2 brown coal
NT3 lignite NT2 coal fines NT2 sapropelic coal
NT3 boghead coal NT4 torbanite NT3 cannel coal NT2 subbituminous coal RT organic matter CARBONATE MINERALS
INIS: 1996-11-13; ETDE: 1982-05-12 UF andersonite
UF bayleyite UF cordylite UF liebigite UF rutherfordite UF schroeckingerite UF sharpite BT1 minerals NT1 ankerite NT1 aragonite NT1 calcite NT1 dawsonite NT1 diderichite NT1 dolomite NT1 nahcolite NT1 shortite NT1 siderite NT1 trona
RT calcium carbonates RT cerium carbonates RT iron carbonates RT lanthanum carbonates RT magnesium carbonates RT manganese carbonates RT shales
RT sodium carbonates RT uranium carbonates CARBONATE ROCKS
INIS: 1985-12-10; ETDE: 1976-08-04 Rocks composed principally of carbonates, usually more than 50% by weight. See also CARBONATE MINERALS.
*BT1 sedimentary rocks NT1 limestone
NT2 travertine RT reservoir rock
CARBONATES 159 CARBOXYLIC ACID SALTS CARBONATES
1997-06-19
UF bismuth carbonates UF curium carbonates UF radium carbonates UF silver carbonates SF ferroan
BT1 carbon compounds BT1 oxygen compounds NT1 americium carbonates NT1 ammonium carbonates
NT2 auc
NT1 barium carbonates NT1 beryllium carbonates NT1 cadmium carbonates NT1 calcium carbonates NT1 cerium carbonates NT1 cesium carbonates NT1 cobalt carbonates NT1 copper carbonates NT1 erbium carbonates NT1 europium carbonates NT1 gadolinium carbonates NT1 holmium carbonates NT1 iron carbonates NT1 lanthanum carbonates NT1 lead carbonates NT1 lithium carbonates NT1 lutetium carbonates NT1 magnesium carbonates NT1 manganese carbonates NT1 molybdenum carbonates NT1 neodymium carbonates NT1 neptunium carbonates NT1 nickel carbonates NT1 plutonium carbonates NT1 polycarbonates NT1 potassium carbonates NT1 praseodymium carbonates NT1 rhenium carbonates NT1 rubidium carbonates NT1 samarium carbonates NT1 scandium carbonates NT1 sodium carbonates NT1 strontium carbonates NT1 terbium carbonates NT1 thallium carbonates NT1 thorium carbonates NT1 uranium carbonates NT1 uranyl carbonates NT1 ytterbium carbonates NT1 yttrium carbonates NT1 zinc carbonates NT1 zirconium carbonates RT acid carbonates RT acid neutralizing capacity CARBONIC ACID
INIS: 1982-04-14; ETDE: 1977-05-07 BT1 carbon compounds
*BT1 inorganic acids BT1 oxygen compounds
CARBONIC ACID DERIVATIVES 1996-10-23
UF guanethidine BT1 organic compounds NT1 carbamates
NT2 dedtc NT2 urethane NT1 carbazides NT1 carbazones
NT2 dithizone NT1 cyanamides NT1 cyanates NT1 dpca NT1 guanidines
NT2 mibg NT1 isocyanates
NT1 isonitriles NT1 isothiocyanates NT1 mercaptoethylguanidine NT1 methyl nitrosourea NT1 phosgene NT1 semicarbazides NT1 semicarbazones NT1 thiocyanates
NT2 ammonium thiocyanates NT1 thioureas
NT2 beta-aminoethyl isothiourea NT2 thiourea
NT1 urea
RT carbon oxysulfide CARBONIC ACID ESTERS
INIS: 2000-04-12; ETDE: 1975-12-16 UF propylene carbonate
*BT1 esters
CARBONIC ANHYDRASE
*BT1 hydro-lyases
CARBONIFEROUS PERIOD INIS: 1992-05-22; ETDE: 1977-10-20 (Prior to April 1990 this material was indexed to MISSISSIPPIAN PERIOD or
PENNSYLVANIAN PERIOD.) UF mississippian period UF pennsylvanian period
*BT1 paleozoic era CARBONITRIDES
1982-01-14
Specific compounds should be indexed by coordination of a descriptor of the form (CATION) COMPOUNDS and the above anion descriptor.
BT1 carbon compounds BT1 nitrogen compounds RT carbides
RT nitrides
CARBONIUM COMPOUNDS INIS: 2000-04-12; ETDE: 1983-01-21
BT1 carbon compounds RT cations
CARBONIZATION
*BT1 decomposition NT1 coking
NT1 electrocarbonization RT clean coke process RT coalcon process RT coke ovens
RT consol stirred bed process RT decarbonization RT graphitization
carbonyl chloride
USE phosgene
CARBONYL RADICALS BT1 radicals
RT carbonyls
carbonyl sulfide
INIS: 2000-04-12; ETDE: 1976-11-01 USE carbon oxysulfide
CARBONYLATION
INIS: 1981-09-17; ETDE: 1978-07-05 UF hydroformylation
BT1 chemical reactions CARBONYLS
Only for compounds of metals with carbonyl radicals.
RT carbon monoxide RT carbonyl radicals RT metals
CARBORANES
INIS: 1978-05-19; ETDE: 1977-01-28 BT1 carbon compounds
*BT1 organic boron compounds RT boranes
CARBOWAX
*BT1 polyethylene glycols
*BT1 waxes
carbox process
INIS: 2000-04-12; ETDE: 1979-11-07 Dry reprocessing of U and Th carbide fuel.
(Prior to September 1994, this was a valid ETDE descriptor.)
USE reprocessing CARBOXY-LYASES
INIS: 1993-08-03; ETDE: 1981-01-30 Code number 4.1.1.
*BT1 carbon-carbon lyases NT1 carboxylase NT1 decarboxylases
NT1 ribulose diphosphate carboxylase CARBOXYHEMOGLOBIN
INIS: 1999-04-16; ETDE: 1976-07-07 RT carbon monoxide
RT erythrocytes RT heme RT hemoglobin RT respiration CARBOXYLASE
*BT1 carboxy-lyases CARBOXYLATION
BT1 chemical reactions RT decarboxylation RT lyases
CARBOXYLESTERASES INIS: 1986-12-03; ETDE: 1981-01-12 Code number 3.1.1.
*BT1 esterases NT1 cholinesterase NT1 lipases
CARBOXYLIC ACID ESTERS 1996-07-23
(Prior to March 1997 TARTARIC ACID ESTERS was a valid ETDE descriptor.)
UF tartaric acid esters
*BT1 esters
NT1 acetic acid esters NT2 methyl acetate NT2 polyvinyl acetate NT2 vinyl acetate NT1 acetoacetic acid esters NT1 acrylic acid esters NT1 bromosulfophthalein NT1 carbamic acid esters NT1 citric acid esters NT1 glucoheptonate NT1 malathion
NT1 methacrylic acid esters NT1 oxalic acid esters NT1 phenolphthalein NT1 retinoic acid RT carboxylic acids CARBOXYLIC ACID SALTS
NT1 acetates NT1 acetoacetates NT1 acrylates NT1 carbamates
NT2 dedtc NT2 urethane NT1 citrates NT1 formates NT1 lactates NT1 methacrylates
CARBOXYLIC ACIDS 160 CARBURETORS NT1 oxalates
NT1 phthalates NT1 stearates NT1 tartrates
NT2 rochelle salt RT carboxylic acids RT esters
CARBOXYLIC ACIDS 1996-10-23
(ACID HALIDES and TRICARBALLYLIC ACID have been valid ETDE descriptors.)
UF acid halides UF aldehydo acids UF alkanoic acids UF alkenoic acids UF aromatic acids UF fatty acids UF tricarballylic acid
*BT1 organic acids NT1 amino acids
NT2 alanines NT3 alanine-alpha
NT4 alanine-l NT3 alanine-beta NT2 aminobutyric acid NT2 aminolevulinic acid NT2 anthranilic acid NT2 arginine NT2 asparagine NT2 aspartic acid NT2 betaine NT2 carnitine NT2 cdta NT2 citrulline NT2 creatine NT2 cysteine NT2 cystine NT2 dcta NT2 diiodotyrosine NT2 dopa NT2 dtpa NT2 eddha NT2 edta NT2 ethionine NT2 folic acid NT2 glutamic acid
NT3 pyridoxylideneglutamate NT2 glutamine
NT2 glycine NT2 glycylglycine NT2 hedta NT2 heida NT2 hippuric acid NT2 histidine NT2 homocysteine NT2 hydroxyproline NT2 hydroxytryptophan NT2 kynurenine NT2 leucine NT2 lysine NT2 methionine NT2 methyl red NT2 methyl tyrosine NT2 mimosine NT2 mpg NT2 nta NT2 ornithine NT2 paba
NT2 pantothenic acid NT2 penicillamine NT2 phenylalanine NT2 phosphocreatine NT2 proline NT2 sarcosine NT2 serine NT2 tetaha NT2 threonine NT2 thyronine
NT2 thyroxine NT2 tryptophan NT2 tyrosine NT2 valine NT1 bile acids
NT2 cholic acid NT1 carminic acid NT1 dicarboxylic acids
NT2 adipic acid NT2 fumaric acid NT2 glutaric acid NT2 itaconic acid NT2 maleic acid NT2 malonic acid NT2 oxalic acid NT2 phthalic acid NT2 sebacic acid NT2 succinic acid NT2 terephthalic acid NT1 egta
NT1 glyoxylic acid NT1 heterocyclic acids
NT2 bilirubin NT2 biotin NT2 histidine NT2 hydroxyproline NT2 lysergic acid NT2 nicotinic acid NT2 orotic acid NT2 picolinic acid NT2 porphyrins
NT3 chlorins NT3 chlorophyll NT3 hematoporphyrins NT3 heme
NT3 hemoglobin NT4 methemoglobin NT3 hemosiderin NT3 myoglobin NT3 protoporphyrins NT2 proline
NT2 rhodamines NT2 thioctic acid NT2 tryptophan NT2 urocanic acid NT1 hydroxy acids
NT2 acetylsalicylic acid NT2 benzilic acid NT2 carnitine NT2 citric acid NT2 diiodotyrosine NT2 dopa NT2 eddha NT2 eosin NT2 fluorescein
NT3 erythrosine NT2 galacturonic acid NT2 gallic acid NT2 gibberellic acid NT2 gluconic acid NT2 glucuronic acid NT2 glyceric acid NT2 glycolic acid NT2 hedta NT2 heida NT2 hydroxyproline NT2 hydroxytryptophan NT2 lactic acid NT2 malic acid NT2 mandelic acid NT2 methyl tyrosine NT2 mevalonic acid NT2 pantothenic acid NT2 rose bengal NT2 salicylic acid NT2 serine NT2 shikimic acid NT2 tartaric acid NT2 threonine
NT2 thyronine NT2 tyrosine NT1 keto acids
NT2 acetoacetic acid NT2 kynurenine NT2 levulinic acid NT2 pyruvic acid NT1 mellitic acid NT1 monocarboxylic acids
NT2 abscisic acid NT2 acetic acid NT2 acrylic acid NT2 arachidonic acid NT2 benzoic acid NT2 butyric acid NT2 chlorambucil NT2 cinnamic acid NT2 crotonic acid NT2 decanoic acid NT2 dodecanoic acid NT2 eicosanoic acid NT2 formic acid NT2 glycolic acid NT2 heptanoic acid NT2 hexadecanoic acid NT2 hexanoic acid NT2 isobutyric acid NT2 isovaleric acid NT2 linoleic acid NT2 linolenic acid NT2 methacrylic acid NT2 nicotinic acid NT2 nonanoic acid NT2 octadecanoic acid NT2 octanoic acid NT2 oleic acid NT2 pethidine NT2 pivalic acid NT2 propionic acid NT2 sorbic acid NT2 tetradecanoic acid NT2 uronic acids NT2 valeric acid NT1 tannic acid RT alginic acid RT carboxylic acid esters RT carboxylic acid salts RT ketenes
RT metabolites RT nitriles
carboxypeptidase
1985-04-23
(Prior to April 1985 this was a valid descriptor.)
USE carboxypeptidases CARBOXYPEPTIDASES
INIS: 1985-04-23; ETDE: 1981-01-30 (Prior to April 1985 the singular form was used.)
UF carboxypeptidase
*BT1 peptide hydrolases
carburan
1996-06-26
(Until June 1996 this was a valid descriptor.) USE bitumens
USE uranium minerals CARBURETORS
INIS: 2000-04-12; ETDE: 1978-10-25 BT1 fuel systems
RT fuel-air ratio
RT internal combustion engines RT spark ignition engines
CARBURETTED WATER GAS 161 carl still process CARBURETTED WATER GAS