IE49090B1 - Apparatus for improving the degree of graphitization of carbon black,and its uses - Google Patents
Apparatus for improving the degree of graphitization of carbon black,and its usesInfo
- Publication number
- IE49090B1 IE49090B1 IE2025/79A IE202579A IE49090B1 IE 49090 B1 IE49090 B1 IE 49090B1 IE 2025/79 A IE2025/79 A IE 2025/79A IE 202579 A IE202579 A IE 202579A IE 49090 B1 IE49090 B1 IE 49090B1
- Authority
- IE
- Ireland
- Prior art keywords
- carbon black
- graphite
- graphite tube
- tube
- graphitization
- Prior art date
Links
- 239000006229 carbon black Substances 0.000 title claims abstract description 92
- 238000005087 graphitization Methods 0.000 title claims abstract description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 59
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 59
- 239000010439 graphite Substances 0.000 claims abstract description 59
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229940036051 sojourn Drugs 0.000 claims abstract description 16
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 13
- 229930195733 hydrocarbon Natural products 0.000 claims abstract description 7
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 6
- 239000010959 steel Substances 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims abstract description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 9
- 239000000460 chlorine Substances 0.000 claims description 9
- 229910052801 chlorine Inorganic materials 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 9
- 229910000041 hydrogen chloride Inorganic materials 0.000 claims description 9
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 230000028161 membrane depolarization Effects 0.000 claims description 5
- 239000011261 inert gas Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 5
- 239000001301 oxygen Substances 0.000 abstract description 5
- 229910052760 oxygen Inorganic materials 0.000 abstract description 5
- 239000012530 fluid Substances 0.000 abstract description 2
- 239000011810 insulating material Substances 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract 1
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 15
- 241000872198 Serjania polyphylla Species 0.000 description 7
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 6
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 6
- 239000007800 oxidant agent Substances 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N zinc oxide Inorganic materials [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 3
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000012495 reaction gas Substances 0.000 description 2
- 230000011514 reflex Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 2
- 229960001296 zinc oxide Drugs 0.000 description 2
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- GOPYZMJAIPBUGX-UHFFFAOYSA-N [O-2].[O-2].[Mn+4] Chemical compound [O-2].[O-2].[Mn+4] GOPYZMJAIPBUGX-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229940050176 methyl chloride Drugs 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000002641 tar oil Substances 0.000 description 1
- 238000004227 thermal cracking Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/44—Carbon
- C09C1/48—Carbon black
- C09C1/56—Treatment of carbon black ; Purification
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Carbon And Carbon Compounds (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
- Medicines Containing Plant Substances (AREA)
- Inert Electrodes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19782846352 DE2846352A1 (de) | 1978-10-25 | 1978-10-25 | Verfahren und vorrichtung zur erhoehung des graphitierungsgrades von russen sowie die verwendung dieser russe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IE792025L IE792025L (en) | 1980-04-25 |
| IE49090B1 true IE49090B1 (en) | 1985-07-24 |
Family
ID=6053031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IE2025/79A IE49090B1 (en) | 1978-10-25 | 1979-10-23 | Apparatus for improving the degree of graphitization of carbon black,and its uses |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4601887A (OSRAM) |
| EP (1) | EP0010218B1 (OSRAM) |
| JP (1) | JPS5820989B2 (OSRAM) |
| AT (1) | ATE1628T1 (OSRAM) |
| CA (1) | CA1139921A (OSRAM) |
| DD (1) | DD146710A5 (OSRAM) |
| DE (2) | DE2846352A1 (OSRAM) |
| DK (1) | DK448279A (OSRAM) |
| ES (1) | ES485054A1 (OSRAM) |
| GR (1) | GR72248B (OSRAM) |
| IE (1) | IE49090B1 (OSRAM) |
| SU (1) | SU1061699A3 (OSRAM) |
Families Citing this family (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59109562A (ja) * | 1982-12-16 | 1984-06-25 | Denki Kagaku Kogyo Kk | カ−ボンブラツクおよびこれを含有した導電性組成物 |
| JPS6067564A (ja) * | 1983-09-22 | 1985-04-17 | Mitsubishi Petrochem Co Ltd | 高導電性カ−ボンブラツクの製造方法 |
| JPS60152569A (ja) * | 1984-01-18 | 1985-08-10 | Mitsubishi Petrochem Co Ltd | 新規なカ−ボンブラツク |
| JPS6166759A (ja) * | 1984-09-11 | 1986-04-05 | Denki Kagaku Kogyo Kk | 高導電性カ−ボンブラツク及びその製造方法 |
| JPS62184064A (ja) * | 1986-02-07 | 1987-08-12 | Tokai Carbon Co Ltd | 磁気記録媒体用カ−ボンブラツク |
| US4927718A (en) * | 1988-06-21 | 1990-05-22 | The United States Of America As Represented By The United States Department Of Energy | Novel air electrode for metal-air battery with new carbon material and method of making same |
| US5294382A (en) * | 1988-12-20 | 1994-03-15 | Superior Graphite Co. | Method for control of resistivity in electroconsolidation of a preformed particulate workpiece |
| JPH0382285U (OSRAM) * | 1989-12-14 | 1991-08-22 | ||
| WO2005090486A2 (en) | 2004-03-15 | 2005-09-29 | Cabot Corporation | Surface modified carbon products and their applications |
| FR2910777B1 (fr) * | 2006-12-21 | 2013-07-19 | Revtech | Procede de traitement thermique de materiaux pulverulents |
| US10370539B2 (en) | 2014-01-30 | 2019-08-06 | Monolith Materials, Inc. | System for high temperature chemical processing |
| US10138378B2 (en) | 2014-01-30 | 2018-11-27 | Monolith Materials, Inc. | Plasma gas throat assembly and method |
| US10100200B2 (en) | 2014-01-30 | 2018-10-16 | Monolith Materials, Inc. | Use of feedstock in carbon black plasma process |
| US11939477B2 (en) | 2014-01-30 | 2024-03-26 | Monolith Materials, Inc. | High temperature heat integration method of making carbon black |
| JP6765305B2 (ja) | 2014-01-31 | 2020-10-07 | モノリス マテリアルズ インコーポレイテッド | プラズマトーチ設計 |
| US9574086B2 (en) | 2014-01-31 | 2017-02-21 | Monolith Materials, Inc. | Plasma reactor |
| MX2017009982A (es) | 2015-02-03 | 2018-01-25 | Monolith Mat Inc | Metodo y dispositivo de enfriamiento regenerativo. |
| KR102705340B1 (ko) | 2015-02-03 | 2024-09-09 | 모놀리스 머티어리얼스 인코포레이티드 | 카본 블랙 생성 시스템 |
| JP6621603B2 (ja) * | 2015-06-15 | 2019-12-18 | 日本電極株式会社 | 炭素質粒体の熱処理装置およびその方法 |
| CN108292826B (zh) | 2015-07-29 | 2020-06-16 | 巨石材料公司 | Dc等离子体焰炬电力设计方法和设备 |
| WO2017027385A1 (en) | 2015-08-07 | 2017-02-16 | Monolith Materials, Inc. | Method of making carbon black |
| US20170066923A1 (en) | 2015-09-09 | 2017-03-09 | Monolith Materials, Inc. | Circular few layer graphene |
| CN108352493B (zh) | 2015-09-14 | 2022-03-08 | 巨石材料公司 | 由天然气制造炭黑 |
| DE112017000595C5 (de) | 2016-02-01 | 2024-12-24 | Cabot Corporation | Carbon Black enthaltende wärmeleitende Polymerzusammensetzung und Polymervorläuferzusammensetzung, Masterbatch sowie Erzeugnis |
| BR122022021055B1 (pt) | 2016-02-01 | 2023-12-12 | Cabot Corporation | Composição de elastômero composto e bexiga de pneu |
| WO2017190045A1 (en) | 2016-04-29 | 2017-11-02 | Monolith Materials, Inc. | Secondary heat addition to particle production process and apparatus |
| EP4379005A3 (en) | 2016-04-29 | 2024-10-16 | Monolith Materials, Inc. | Torch stinger method and apparatus |
| EP3592810A4 (en) | 2017-03-08 | 2021-01-27 | Monolith Materials, Inc. | SYSTEMS AND METHODS FOR THE PRODUCTION OF CARBON PARTICLES WITH HEAT TRANSFER GAS |
| CN115637064A (zh) | 2017-04-20 | 2023-01-24 | 巨石材料公司 | 颗粒系统和方法 |
| EP3676335A4 (en) * | 2017-08-28 | 2021-03-31 | Monolith Materials, Inc. | PARTICULAR SYSTEMS AND PROCEDURES |
| CN111278767A (zh) | 2017-08-28 | 2020-06-12 | 巨石材料公司 | 用于颗粒生成的系统和方法 |
| WO2019084200A1 (en) | 2017-10-24 | 2019-05-02 | Monolith Materials, Inc. | PARTICULAR SYSTEMS AND METHODS |
| WO2026024534A1 (en) | 2024-07-23 | 2026-01-29 | Cabot Corporation | Efficient process of etching highly graphitic carbons |
| CN120158118B (zh) * | 2025-05-09 | 2025-09-26 | 北京怀柔实验室 | 高压电缆屏蔽料用导电填料的制备方法、生产系统及其应用 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US780527A (en) * | 1904-02-10 | 1905-01-24 | Herbert H Weaver | Thread-rolling machine. |
| US1807884A (en) * | 1929-02-18 | 1931-06-02 | Wiegand William Bryan | Manufacture of carbon black |
| US2021991A (en) * | 1933-06-19 | 1935-11-26 | American Zinc Lead & Smelting | Apparatus for the treatment of pigments |
| US2134950A (en) * | 1934-08-20 | 1938-11-01 | Cabot Godfrey L Inc | Graphitized carbon black |
| AT149661B (de) * | 1935-02-28 | 1937-05-25 | Bayerische Stickstoff Werke Ag | Verfahren zur Reinigung von an eisenhaltigen Kontakten hergestelltem feinverteilten Kohlenstoff. |
| FR875388A (fr) * | 1940-08-22 | 1942-09-18 | Degussa | Procédé pour la fabrication de noir de fumée pour caoutchouc |
| US2698777A (en) * | 1951-01-26 | 1955-01-04 | Aluminum Lab Ltd | Procedure for treating solid material with gas at high temperature |
| US2949344A (en) * | 1957-09-06 | 1960-08-16 | Macura Heinrich | Graphitizing residues of the thermal decomposition of carbonaceous materials |
| US3029576A (en) * | 1959-10-23 | 1962-04-17 | Phillips Petroleum Co | Activated carbon black |
| US3408164A (en) * | 1966-07-08 | 1968-10-29 | Phillips Petroleum Co | Plasma treatment of carbon blacks |
| US3641249A (en) * | 1970-01-14 | 1972-02-08 | Courtaulds Ltd | Tube furnace |
| US3684446A (en) * | 1970-02-24 | 1972-08-15 | Superior Graphite Co | Method for high-temperature treatment of petroleum coke |
| US3933434A (en) * | 1972-07-13 | 1976-01-20 | Edwin Matovich | High temperature chemical reactor |
| US4208373A (en) * | 1972-07-13 | 1980-06-17 | Thagard Technology Company | Reactor-tube assembly for fluid-wall reactors for high temperature chemical reaction processes |
| DE2515633C3 (de) * | 1975-04-10 | 1980-06-19 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Herstellung eines leitfähigen Rußes für Depolarisatormassen von Trockenbatterien |
| CA1091895A (en) * | 1975-07-01 | 1980-12-23 | William M. Goldberger | Method and apparatus for heat treating carbonaceous material in a fluidized bed |
| US4213955A (en) * | 1977-11-23 | 1980-07-22 | Union Carbide Corporation | Computerized process and apparatus for use with a submerged arc electric furnace to produce metallurgical products |
-
1978
- 1978-10-25 DE DE19782846352 patent/DE2846352A1/de not_active Withdrawn
-
1979
- 1979-10-02 AT AT79103743T patent/ATE1628T1/de not_active IP Right Cessation
- 1979-10-02 DE DE7979103743T patent/DE2963817D1/de not_active Expired
- 1979-10-02 EP EP79103743A patent/EP0010218B1/de not_active Expired
- 1979-10-12 CA CA000337447A patent/CA1139921A/en not_active Expired
- 1979-10-16 ES ES485054A patent/ES485054A1/es not_active Expired
- 1979-10-19 DD DD79216347A patent/DD146710A5/de unknown
- 1979-10-22 SU SU792831601A patent/SU1061699A3/ru active
- 1979-10-23 GR GR60321A patent/GR72248B/el unknown
- 1979-10-23 IE IE2025/79A patent/IE49090B1/en unknown
- 1979-10-24 DK DK448279A patent/DK448279A/da not_active Application Discontinuation
- 1979-10-25 JP JP54137088A patent/JPS5820989B2/ja not_active Expired
-
1982
- 1982-09-30 US US06/428,947 patent/US4601887A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| GR72248B (OSRAM) | 1983-10-05 |
| EP0010218B1 (de) | 1982-10-06 |
| ES485054A1 (es) | 1980-05-16 |
| CA1139921A (en) | 1983-01-25 |
| EP0010218A1 (de) | 1980-04-30 |
| DK448279A (da) | 1980-04-26 |
| US4601887A (en) | 1986-07-22 |
| ATE1628T1 (de) | 1982-10-15 |
| JPS5820989B2 (ja) | 1983-04-26 |
| DD146710A5 (de) | 1981-02-25 |
| DE2963817D1 (en) | 1982-11-11 |
| JPS5558259A (en) | 1980-04-30 |
| IE792025L (en) | 1980-04-25 |
| DE2846352A1 (de) | 1980-05-08 |
| SU1061699A3 (ru) | 1983-12-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4601887A (en) | Apparatus for improving the degree of graphitization of carbon black, and its use | |
| US4340577A (en) | Process for producing carbon black | |
| DE19502550A1 (de) | Verbessertes Verfahren zur Hydrierung von Tetrachlorsilan | |
| US4279880A (en) | Acetylene black with high electrical conductivity and high absorptive power | |
| IE42975B1 (en) | Production of conductive carbon black for use in depolarization materials in dry batteries | |
| JP6256754B2 (ja) | 硫化リチウムの製造方法 | |
| US2163898A (en) | Process for the production of hydrogen peroxide | |
| US3398009A (en) | Oxidation treatment of carbon black | |
| US1685520A (en) | Process of controlling rate of oxidation | |
| US3684433A (en) | Production of vanadium oxytrichloride | |
| US563528A (en) | Process of manufacturing hydrocarbon gas | |
| US3826814A (en) | Process of making a finely divided silicic acid having reducing properties | |
| US1311231A (en) | Process of making nitrogen compounds | |
| RU2119448C1 (ru) | Способ получения фторированного углерода и устройство для его осуществления | |
| US1650894A (en) | Process for the production of magnesium from dolomite | |
| US314342A (en) | Gideon e | |
| US886607A (en) | Process of making barium oxid. | |
| US617979A (en) | Method of manufacturing graphite articles | |
| US1933499A (en) | Process for producing anhydrous magnesium chloride | |
| CN104129835B (zh) | 一种熔盐电化学处理氯代芳香烃的方法 | |
| US964868A (en) | Method of reducing metallic oxids. | |
| US733316A (en) | Process of making phosphorus. | |
| US920857A (en) | Treatment of carbid. | |
| US1458651A (en) | Process for the production of calcium chloride | |
| US598549A (en) | Process of manufacturing graphite |