Humidity Control in Biodiesel Plants

Caustic Soda Sodium hydroxide is utilized to raise the pH of water in a variety of applications. The chemical leaves no residual color, is a high-strength product, and is available at concentrations of 2-50%.

Effects of Uncontrolled Humidity

White crystalline solid Caustic soda, being highly hygroscopic and soluble in the water, should be stored in airtight containers or drums. During the dosing process, caustic soda is exposed to high moisture environment and adsorbs moisture until it liquefies. The mixture of liquefied soda and solid soda will cause difficulty in the dosing process.

General Recommendation

Relative humidity in the dosing room should be maintained as low as possible, proposed to maintain at 20 ± 5% at 28°C (82°F) to overcome the problem of moisture pickup or moisture regain.

Bry-Air Solution

Due to powdering environment in the the dosing room, 100% fresh air system was proposed. Hence a Dehumidifier consisting of pre-cooled and after cooled is suggested.

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Biodiesel Plant - Caustic Soda Dosing Room

During the dosing process of caustic soda, it is exposed to high moisture environment and adsorbs moisture until it liquefies. The mixture of liquefied soda and solid soda causes difficulty in the dosing process. Relative humidity in the dosing room should be maintained as low as possible.

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Biodiesel Plant – Caustic Soda Dosing Room

Effects of Uncontrolled Humidity

General Recommendation

Bry-Air Solution

Other Applications

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Compact Desiccant Dehumidifier - FFB Series

Industrial Desiccant Dehumidifiers - FLi Series

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Biodiesel Plant - Caustic Soda Dosing Room

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