Sweet Water Evaporation Plant

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Sweet Water Evaporation Plant

A Sweet Water Evaporation Plant is a specialized system designed to concentrate glycerin-rich water (known as sweet water) by removing excess moisture through controlled evaporation. The plant is typically utilized in industries where glycerin recovery and water reuse are essential, such as in the production of fatty acids, soaps, and biodiesel.

Process

Process of Sweet Water Concentration Plant

Step 1

Purification and Transfer

The process begins with the sweet water being purified. Once purified, a pump moves the sweet water from the purification chamber to the concentration chamber.

Step 2

1st Effect Evaporation

The glycerin water is first passed through a feed heater to prepare it for the evaporation process.

The preheated sweet water is then introduced into the 1st effect evaporator, where the temperature is increased to around 130°C using steam at a pressure of 8-10 bar.

Moisture is removed at this stage, and the sweet water is reheated in the 1st effect evaporator to ensure optimal concentration.

Step 3

2nd and 3rd Effect Evaporation

After the 1st effect evaporation, the sweet water flows through the 2nd and 3rd effect evaporators in sequence.

The temperatures are gradually lowered to 80°C in the 2nd evaporator and 50°C in the 3rd evaporator, allowing for further moisture removal.

This multi-effect evaporation process enhances efficiency and reduces energy consumption.

Step 4

Condensate Collection and Reuse

The condensate formed during the evaporation process is collected in a condensate receiver.

This condensate is reused as process water in the Splitting tower, contributing to sustainable water management and resource optimization.