Research Article
Study on Autogenous Heat Technology of Offshore Oilfield: Experiment Research, Process Design, and Application
Table 5
The effect of catalyst types on heat generation rate and thermal peak.
| Catalyst: 1% benzoic acid | Catalyst: 1.0% HCl | Catalyst: 1.0% phosphoric acid | Catalyst: 1.0% MX | Time (min) | Temperature (°C) | Time (min) | Temperature (°C) | Time (min) | Temperature (°C) | Time (min) | Temperature (°C) | 0 | 25 (indoor) | 0 | 25 (indoor) | 0 | 25 (indoor) | 0 | 25 (indoor) |
| 5 | 28 | 5 | 29 | 5 | 34 | 5 | 28 | 10 | 29 | 10 | 32 | 10 | 41 | 10 | 31 | 15 | 31 | 15 | 37 | 15 | 45 | 15 | 35 | 20 | 34 | 20 | 40 | 20 | 50 | 20 | 38 | 25 | 36 | 25 | 42 | 25 | 52 | 25 | 41 | 30 | 38 | 30 | 46 | 30 | 52 | 30 | 45 | 35 | 39 | 35 | 48 | 35 | 51 | 35 | 49 | 40 | 41 | 40 | 52 | 40 | 50 | 40 | 52 | 45 | 42 | 45 | 52 | 45 | 49 | 45 | 53 | 50 | 44 | 50 | 50 | 50 | 49 | 50 | 55 | 55 | 45 | 55 | 49 | 55 | 48 | 55 | 57 | 60 | 45 | 60 | 49 | 60 | 47 | 60 | 55 | 65 | 44 | 65 | 48 | 65 | 47 | 65 | 54 | 70 | 43 | 70 | 48 | 70 | 46 | 70 | 52 | 75 | 43 | 75 | 47 | 75 | 45 | 75 | 51 |
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Concentration of system: 100 mL 2.0 mol/L NaNO2 solution+100 mL 2.0 mol/L NH4Cl solution.
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