Low capital investment, installation, operation and maintenance costs make the Prime Rotary Fan Press® an economical dewatering system with long-term value.

Capital Investment

Compared to the capital investment of other dewatering systems, the Prime Rotary Fan Press® is priced at the lower end of the dewatering market. Better still, it doesn’t require special building accommodations or significant installation expenses.

Electrical Consumption

Energy cost is one of the largest expenses associated with a dewatering system. The slow revolution of the Prime Rotary Fan Press® (1 to 2 rotations per minute) minimizes the energy required to operate. Depending on the model, the system uses .75-13 horsepower—15-20 percent less energy than the belt press and nearly 90 percent less than the centrifuge.

Water Consumption

The wedge wire design of the filter screen minimizes blockage, reducing the amount of washwater required. Operating the self-cleaning feature once daily uses approximately one-fifth of the washwater of a belt press, which results in additional cost savings.

Polymer Consumption

On average, the Prime Rotary Fan Press® uses 13-20 pounds of polymer per ton of biosolids—comparable to other dewatering technologies—to achieve dry cake solids and help reduce hauling costs.

18-26% for anaerobically digested biosolids
15-20% for aerobically digested biosolids
20-32% for mixed primary and secondary sludges

Reduced electrical, washwater and O&M requirements minimizes life cycle costs and minimal maintenance reduces repair costs, which ensures your Prime Press will be up and running when you need it most.