Project Profile

Pulp and Paper Evaporator

Jilin Yasong Paper Mill

Project Scope

Provided all engineering for a system that met the required evaporation and concentration. Provided all equipment required for a functional system. This included evaporators, heat exchangers, tanks, pumps, valves, instrumentation, DCS specifications and piping to achieve the required result.

Results

The project was engineered and supplied in 9 months. After installation, the equipment was smoothly commissioned in a 6 week period and was completely accepted after the commissioning stage.

Process Flow

Liquor is concentrated in Effect 4 and then directed to the alcohol plant for neutralization, fermentation and distillation. The liquor is returned from the fermentation operation to Effect 3.and counterflows from effect to effect where it is finally discharged from the Effect 1 at 50% total solids. One extra body and associated piping and valves is provided to allow each body to be isolated and washed one at a time while maintaining the required production rate and incurring no downtime during the changeovers.

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