Demulsifier For Crude Oil Treatmment

The required temperature range of crude oil demulsifier in the treatment of produced fluid varies depending on different types of crude oil treatment demulsifier and specific application scenarios.

Generally speaking, in the petroleum industry, low-temperature rapid emulsion breaker oil and gas can function at relatively low temperatures and usually have a good demulsification effect at temperatures possibly between 20°C and 60°C.

While some conventional crude oil demulsifier have better effects within the medium-temperature range, such as 40°C to 80°C. For some application scenarios with special requirements, demulsification may be achieved only at higher temperatures, such as 80°C to 120°C. It should be noted that excessive high temperatures may bring problems such as increased energy consumption, higher equipment requirements and potential safety risks. At the same time, crude oil demulsifier emulsion from different origins and different emulsion liquids also vary in their optimal demulsification temperatures. In other industries such as wastewater treatment, the suitable temperature range of emulsion breaker chemical demulsifier also varies due to factors such as water quality characteristics and treatment processes. It may have certain effects within a relatively wide temperature range, such as around 10°C to 50°C. In conclusion, there is no fixed standard value for the required temperature range of crude oil treatment demulsifier and it needs to be determined through experiments and optimizations based on specific situations. 

Crude oil demulsifier emulsion have wide application, mainly including the following aspects: 

1) Crude oil dehydration: Separate water from crude oil to improve the quality of crude oil and meet the requirements for external transportation or subsequent processing. For example, at the oilfield production site, adding crude oil demulsifier emulsion to the produced fluid can quickly separate oil and water and reduce the water content of crude oil.

2) Wastewater treatment in refineries: The oily wastewater produced during the refining process is often in an emulsified state. The use of emulsion breaker oil and gas can achieve oil-water separation, facilitating subsequent separate treatment of water and oil and reducing environmental pollution.

3) Wastewater treatment in chemical production: Various oily and emulsifier-containing wastewaters are produced in chemical production, such as wastewaters from the production processes of synthetic resins, rubber, fibers, etc. Emulsion breaker oil and gas can destroy the emulsified structure of wastewater, causing the pollutants therein to precipitate or separate out, reducing indicators such as COD and suspended solids (SS) of the wastewater to meet environmental protection discharge standards.

4) Post-treatment after emulsion polymerization reactions: After the emulsion polymerization reaction is completed, it is necessary to separate the product from unreacted monomers, emulsifiers, etc. Emulsion breaker chemical can quickly demulsify the emulsion to facilitate subsequent separation and purification operations.

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