BR112023005871A2 - Detectar reações de termite em uma célula eletrolítica - Google Patents
Detectar reações de termite em uma célula eletrolíticaInfo
- Publication number
- BR112023005871A2 BR112023005871A2 BR112023005871A BR112023005871A BR112023005871A2 BR 112023005871 A2 BR112023005871 A2 BR 112023005871A2 BR 112023005871 A BR112023005871 A BR 112023005871A BR 112023005871 A BR112023005871 A BR 112023005871A BR 112023005871 A2 BR112023005871 A2 BR 112023005871A2
- Authority
- BR
- Brazil
- Prior art keywords
- voltage drop
- electrolytic cell
- detect
- anode assembly
- thermite
- Prior art date
Links
- 238000006243 chemical reaction Methods 0.000 title abstract 6
- 239000003832 thermite Substances 0.000 title abstract 6
- 238000000034 method Methods 0.000 abstract 3
- 229910044991 metal oxide Inorganic materials 0.000 abstract 1
- 150000004706 metal oxides Chemical class 0.000 abstract 1
- 230000000116 mitigating effect Effects 0.000 abstract 1
- 239000000523 sample Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
- C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
- C25C3/20—Automatic control or regulation of cells
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
- C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
- C25C3/08—Cell construction, e.g. bottoms, walls, cathodes
- C25C3/12—Anodes
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
- C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
- C25C3/16—Electric current supply devices, e.g. bus bars
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrolytic Production Of Metals (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Catalysts (AREA)
- Hybrid Cells (AREA)
Abstract
DETECTAR REAÇÕES DE TERMITE EM UMA CÉLULA ELETROLÍTICA. Um método para detectar uma reação de termite em uma célula eletrolítica compreendendo uma montagem de ânodo de um ou mais ânodos contendo óxido metálico é revelado. Cada montagem de ânodo é energizada por uma corrente provida através de uma haste de ânodo distinta para cada montagem de ânodo. O método compreende: medir uma queda de voltagem usando um par de sondas de voltagem localizada na haste de ânodo, a queda de voltagem correspondendo a um fluxo de corrente na montagem de ânodo; processar a queda de voltagem pela computação de pelo menos uma da derivada da queda de voltagem, da variância da queda de voltagem e da derivada da variância da queda de voltagem; e detectar uma reação de termite com base nos resultados do processamento de sinal, antes de mitigar e/ou suprimir a reação de termite ajustando-se os parâmetros operacionais da célula eletrolítica. Esse método é particularmente vantajoso visto que o mesmo reduz o número de quedas de voltagem necessárias para detectar uma reação de termite por um fator de 10.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US202063106517P | 2020-10-28 | 2020-10-28 | |
| PCT/CA2021/051512 WO2022087732A1 (en) | 2020-10-28 | 2021-10-27 | Detecting thermite reactions in an electrolytic cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR112023005871A2 true BR112023005871A2 (pt) | 2023-05-09 |
Family
ID=81381935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112023005871A BR112023005871A2 (pt) | 2020-10-28 | 2021-10-27 | Detectar reações de termite em uma célula eletrolítica |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20230374685A1 (pt) |
| EP (1) | EP4237838A1 (pt) |
| CN (1) | CN116457503A (pt) |
| AU (1) | AU2021371450A1 (pt) |
| BR (1) | BR112023005871A2 (pt) |
| CA (1) | CA3193088A1 (pt) |
| DK (1) | DK202370247A1 (pt) |
| WO (1) | WO2022087732A1 (pt) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2764000T3 (es) * | 2012-08-17 | 2020-06-01 | Elysis Lp | Sistemas y procedimientos para impedir reacciones de termita en celdas electrolíticas |
-
2021
- 2021-10-27 US US18/029,805 patent/US20230374685A1/en active Pending
- 2021-10-27 EP EP21884216.9A patent/EP4237838A1/en active Pending
- 2021-10-27 WO PCT/CA2021/051512 patent/WO2022087732A1/en active Application Filing
- 2021-10-27 CA CA3193088A patent/CA3193088A1/en active Pending
- 2021-10-27 AU AU2021371450A patent/AU2021371450A1/en active Pending
- 2021-10-27 BR BR112023005871A patent/BR112023005871A2/pt unknown
- 2021-10-27 CN CN202180072431.7A patent/CN116457503A/zh active Pending
-
2023
- 2023-05-23 DK DKPA202370247A patent/DK202370247A1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CN116457503A (zh) | 2023-07-18 |
| EP4237838A1 (en) | 2023-09-06 |
| DK202370247A1 (en) | 2023-06-09 |
| US20230374685A1 (en) | 2023-11-23 |
| WO2022087732A1 (en) | 2022-05-05 |
| AU2021371450A9 (en) | 2024-05-02 |
| AU2021371450A1 (en) | 2023-06-01 |
| CA3193088A1 (en) | 2022-05-05 |
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