NO115801B - - Google Patents
Info
- Publication number
- NO115801B NO115801B NO155281A NO15528164A NO115801B NO 115801 B NO115801 B NO 115801B NO 155281 A NO155281 A NO 155281A NO 15528164 A NO15528164 A NO 15528164A NO 115801 B NO115801 B NO 115801B
- Authority
- NO
- Norway
- Prior art keywords
- ammonia
- gas
- layer
- reactor
- atomizing
- Prior art date
Links
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 135
- 229910021529 ammonia Inorganic materials 0.000 claims description 60
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 34
- 239000004202 carbamide Substances 0.000 claims description 34
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 31
- 229920000877 Melamine resin Polymers 0.000 claims description 18
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 15
- 235000012239 silicon dioxide Nutrition 0.000 claims description 15
- 239000000377 silicon dioxide Substances 0.000 claims description 13
- 239000000843 powder Substances 0.000 claims description 12
- 239000007787 solid Substances 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000010926 purge Methods 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000013021 overheating Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 43
- 238000006243 chemical reaction Methods 0.000 description 18
- 239000000499 gel Substances 0.000 description 15
- 239000002245 particle Substances 0.000 description 15
- 229910045601 alloy Inorganic materials 0.000 description 12
- 239000000956 alloy Substances 0.000 description 12
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 11
- 229910001220 stainless steel Inorganic materials 0.000 description 10
- 239000010935 stainless steel Substances 0.000 description 10
- WAIPAZQMEIHHTJ-UHFFFAOYSA-N [Cr].[Co] Chemical compound [Cr].[Co] WAIPAZQMEIHHTJ-UHFFFAOYSA-N 0.000 description 9
- 229910001026 inconel Inorganic materials 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000005336 cracking Methods 0.000 description 7
- 238000002474 experimental method Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 229910002092 carbon dioxide Inorganic materials 0.000 description 6
- 239000011651 chromium Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 229910052804 chromium Inorganic materials 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 229910052759 nickel Inorganic materials 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 230000002745 absorbent Effects 0.000 description 4
- 239000002250 absorbent Substances 0.000 description 4
- 238000005054 agglomeration Methods 0.000 description 4
- 230000002776 aggregation Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
- 229910001182 Mo alloy Inorganic materials 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 229910052750 molybdenum Inorganic materials 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910000640 Fe alloy Inorganic materials 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- 229910000990 Ni alloy Inorganic materials 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000007792 addition Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- OGSYQYXYGXIQFH-UHFFFAOYSA-N chromium molybdenum nickel Chemical compound [Cr].[Ni].[Mo] OGSYQYXYGXIQFH-UHFFFAOYSA-N 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000005995 Aluminium silicate Substances 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910018487 Ni—Cr Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 229910001570 bauxite Inorganic materials 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229910000856 hastalloy Inorganic materials 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000006199 nebulizer Substances 0.000 description 1
- 229910000623 nickel–chromium alloy Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000011176 pooling Methods 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000008262 pumice Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- ZCUFMDLYAMJYST-UHFFFAOYSA-N thorium dioxide Chemical compound O=[Th]=O ZCUFMDLYAMJYST-UHFFFAOYSA-N 0.000 description 1
- 229910003452 thorium oxide Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/1818—Feeding of the fluidising gas
- B01J8/1827—Feeding of the fluidising gas the fluidising gas being a reactant
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/26—Nozzle-type reactors, i.e. the distribution of the initial reactants within the reactor is effected by their introduction or injection through nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/00026—Controlling or regulating the heat exchange system
- B01J2208/00035—Controlling or regulating the heat exchange system involving measured parameters
- B01J2208/00044—Temperature measurement
- B01J2208/00061—Temperature measurement of the reactants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/00106—Controlling the temperature by indirect heat exchange
- B01J2208/00115—Controlling the temperature by indirect heat exchange with heat exchange elements inside the bed of solid particles
- B01J2208/00132—Tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/00106—Controlling the temperature by indirect heat exchange
- B01J2208/00265—Part of all of the reactants being heated or cooled outside the reactor while recycling
- B01J2208/00274—Part of all of the reactants being heated or cooled outside the reactor while recycling involving reactant vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/00389—Controlling the temperature using electric heating or cooling elements
- B01J2208/00407—Controlling the temperature using electric heating or cooling elements outside the reactor bed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/00477—Controlling the temperature by thermal insulation means
- B01J2208/00495—Controlling the temperature by thermal insulation means using insulating materials or refractories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00654—Controlling the process by measures relating to the particulate material
- B01J2208/00681—Agglomeration
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Treating Waste Gases (AREA)
- Catalysts (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US39052764A | 1964-08-19 | 1964-08-19 | |
| US39376864A | 1964-09-01 | 1964-09-01 | |
| US625707A US3377350A (en) | 1964-08-19 | 1967-03-24 | Melamine production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO115801B true NO115801B (xx) | 1968-12-09 |
Family
ID=27409951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO155281A NO115801B (xx) | 1964-08-19 | 1964-10-23 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3377350A (xx) |
| BE (1) | BE654779A (xx) |
| CH (1) | CH467792A (xx) |
| DE (1) | DE1261857B (xx) |
| FR (1) | FR1415050A (xx) |
| GB (1) | GB1051923A (xx) |
| NL (1) | NL6412587A (xx) |
| NO (1) | NO115801B (xx) |
| SE (1) | SE300215B (xx) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3455659A (en) * | 1967-09-06 | 1969-07-15 | American Cyanamid Co | Superheating ammonia |
| US3498982A (en) * | 1968-04-26 | 1970-03-03 | Basf Ag | Protecting the inner walls of a reactor for the synthesis of melamine |
| JPS5123637Y1 (xx) * | 1973-08-06 | 1976-06-17 | ||
| NL178487C (nl) * | 1976-03-26 | 1986-04-01 | Stamicarbon | Inrichting en werkwijze voor het versproeien van een vloeistof. |
| NL8001874A (nl) * | 1980-03-29 | 1981-11-02 | Stamicarbon | Inrichting voor het versproeien van een vloeistof met behulp van een gas. |
| BE1008133A3 (nl) * | 1994-03-15 | 1996-01-23 | Dsm Nv | Werkwijze voor de afscheiding van verontreinigingen uit een heet synthesegasmengsel bij de melaminebereiding. |
| HRP980257B1 (en) * | 1997-05-28 | 2002-08-31 | Messer Griesheim Gmbh | Apparatus and method for conducting reactions in fluidized particle layers |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3095416A (en) * | 1963-06-25 | Urea to melamine process | ||
| US2566224A (en) * | 1951-08-28 | Production of melamine | ||
| US2566229A (en) * | 1950-12-04 | 1951-08-28 | American Cyanamid Co | Method of discharging melamine |
-
0
- GB GB1051923D patent/GB1051923A/en not_active Expired
-
1964
- 1964-10-09 SE SE12153/64A patent/SE300215B/xx unknown
- 1964-10-23 NO NO155281A patent/NO115801B/no unknown
- 1964-10-23 BE BE654779D patent/BE654779A/xx unknown
- 1964-10-27 FR FR992770A patent/FR1415050A/fr not_active Expired
- 1964-10-29 NL NL6412587A patent/NL6412587A/xx unknown
- 1964-10-30 CH CH1409164A patent/CH467792A/de unknown
- 1964-10-30 DE DEA47492A patent/DE1261857B/de active Pending
-
1967
- 1967-03-24 US US625707A patent/US3377350A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE1261857B (de) | 1968-02-29 |
| FR1415050A (fr) | 1965-10-22 |
| US3377350A (en) | 1968-04-09 |
| CH467792A (de) | 1969-01-31 |
| BE654779A (xx) | 1965-04-23 |
| NL6412587A (xx) | 1966-02-21 |
| SE300215B (xx) | 1968-04-22 |
| GB1051923A (xx) | 1900-01-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| NO115801B (xx) | ||
| US4798914A (en) | Process for the production of vinyl chloride through thermal cracking of 1,2-dichloroethane | |
| DE602005001941T2 (de) | Katalytische dampfphasenchlorierung von beta-picolin | |
| US2543005A (en) | Method for conducting hightemperature conversions | |
| US5427655A (en) | High capacity rapid quench boiler | |
| US2543743A (en) | Method and apparatus for hightemperature hydrocarbon conversions | |
| US2571342A (en) | Combination hydrocarbon vaporization and cracking process | |
| CN107540572A (zh) | 一种用于间/对苯二甲腈精制的设备 | |
| NO124709B (xx) | ||
| US4158036A (en) | Fluid bed heat recovery apparatus | |
| US3056655A (en) | Process for making hydrogen cyanide | |
| US2782107A (en) | Reactor for making hydrogen cyanide | |
| NO130238B (xx) | ||
| JPS60225632A (ja) | 反応器 | |
| US3073875A (en) | Process for preparation of acetylene | |
| US2508292A (en) | Sulfur vaporization | |
| US3154385A (en) | Apparatus for pyrolysis of hydrocarbons | |
| JPH02233509A (ja) | 粉末状金属窒化物の製造方法 | |
| US3154386A (en) | Apparatus for pyrolysis of hydrocarbons | |
| US2727037A (en) | Device and process for preparing | |
| US3455659A (en) | Superheating ammonia | |
| US2594171A (en) | Process for cooling hot gaseous suspensions of carbon black | |
| US2100823A (en) | Method and apparatus for performing pyrogenetic reactions | |
| US2782105A (en) | Furnace for activating coke | |
| RU124889U1 (ru) | Реактор синтеза трихлорсилана |