The presence of dissolved gases, even in small amounts, can be detrimental to water systems that are contained by metal surfaces. When metal surfaces are in contact with industrial water containing oxygen, pitting can occur. Although pitting is highly concentrated to smaller areas of total metal surfaces, even small amounts of metal loss can cause system failures.
Extremely effective at reducing corrosion in water treatment applications as a catalyst with hydrazine, DEHA, and Carbohydrazide.
Effective as a stand-alone oxygen scavenger that is less hazardous than other common alternatives.
Provides protective passive oxides with iron and copper.
Does not degrade to ammonia (safe for use with copper-containing alloys).
Unique ability to react quickly against oxygen, even at ambient temperatures. Other alternatives, such as hydrazine react slowly, particularly at lower temperatures, resulting in handling problems and ammonia formation with copper bearing alloys.
| PROPERTIES | HYDROQUINONE | HYDRAZINE | DEHA | CARBOHYDRAZIDE |
|---|---|---|---|---|
| Non-volatile |  |
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| Less hazardous | |
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| Releases CO2 | |
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| Releases organics | |
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| Non-flammable | |
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| Treat rate | 7:1
|
3:1
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3:1
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1:5
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