Dramatic Change in Efficiency Brought by The Installation of The VOLUTE™ Dewatering Press

Yamauchi Company


Since sludge dewatering equipment had not been installed in their wastewater treatment plant, sludge had been treated with a sand filter and took them 1 to 2 weeks to dry. Furthermore, the dried sludge had been picked up and placed in a tub by 30 employees, and it took them an hour to complete their task. It was not only time-consuming but also required high labor cost. However, this was not the only issues that they had been confronted with in sludge treatment.
Since the sand filter is installed outside, sludge treatment can be significantly influenced by the weather. For instance, there is a huge disparity in temperature between summer and winter, and this undesirable environment had affected their productivity to a great extent. Moreover, the fact that the time when the sludge dries depends on the weather made them difficult to treat sludge according to plan.

AMCON's offer for a solution

Yamauchi decided to install VOLUTE™ Dewatering Press in order to deal with all the issues that they had been confronted with. The installation brought tremendous changes to the company and they now no longer need to pick up dried sludge thereby saving time and cost. Moreover, VOLUTE™ Dewatering Press can be operated automatically for 24 hours without an operator on site by setting the 24h timer. With this outstanding function, they now no longer need to wait for the sludge to dry thereby making them easy to treat sludge according plan.
Overall, the installation of VOLUTE™ dewatering press solved many of their issues including, high labor cost and inefficiency in sludge treatment.
For that reason, they save more time, and the time now allows them to concentrate on their primary jobs. The employees are very pleased and satisfied with the installation of the VOLUTE™ Dewatering Press.

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Dewatering low-concentration sludge

Manufacturing Plant of Synthetic Fiber Materials in Indonesia


Before installation of VOLUTE™ Dewatering Press, they threw cake into their dryer after dewatering by their belt press . Drain of Synthetic Fibers purified from oil was not suitable for micro-organisms and was low MLSS. In addition , sludge concentration from thickening tank was quite low(6,000mg/L). So, Water content in Sludge cake became 92% by belt press machine. Because of throwing the soft sludge like Tofu, the load was pretty high.

AMCON’s offer for a solution

Since VOLUTE™ Dewatering Press adopted the unified structure that serves two functions, thickening and dewatering in the single machinery, the low concentration sludge can be dewatered. The drum filter, because of the clog-free, realizes higher speed of filtering phenomena per filtering area as compared to the methods, and the sludge is instantly thickened by gravity. They can constantly throw sludge into the dryer by installation of VOLUTE™ that can keep 85 % of water content so easily.

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Dewatering of oily sludge without clogging

Chicken processing plant in Ukraine


The chicken processing plant in Ukraine had a big issue on tremendous amount of sludge disposal costs due to direct disposal of the sludge without dewatering. They had tried to look for a suitable sludge dewatering equipment for easy dewatering of the oily sludge, however it was almost impossible to find.

AMCON's offer for a solution

The customer installed ES-303 model understanding of the advantage of VOLUTE™ Dewatering Press; high resistance to oily sludge.
Customer’s comment: “We used to hesitate to install dewatering equipment due to anxiety for problems such as clogging and frequent maintenance of equipment for dewatering of oily sludge. However we are surprised at the fact that VOLUTE™ hardly has clogging. The full automatic operation is very helpful for easy management. The water content in sludge cake is as good as 71.5%, which is the performance of the VOLUTE™ Dewatering Press we are greatly satisfied with. We really realize that the installation of VOLUTE™ is the best choice we made.”

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