Removal of the normal-hexane extracts in raw wastewater

Frozen food factory

Problem

This frozen food factory was troubled with a high content of normal-hexane extraction material (mainly oil and fat content) concentration in the waste water discharged into the sewage. However, other high hurdles such as the need of large-scale expansion for dewatering facilities or site prevented them from reaching the best solution. In such situation, AMCON received their consultation if Volute can remove oil and fat content.

AMCON's offer for a solution

As a result of sample analysis, concentration of raw water was as low as 300mg/L. However, good flocculation was formed with PAC and polymer, which enabled an engineering company to propose a treatment flow and to install Volute. As a result, the normal-hexane extraction material was admirably removed with Volute. AMCON could also get a word of praise; "We are so relieved that we could resolved longstanding problems without a large-scale expansion for wastewater treatment facilities."

Flow Diagram

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about sludge treatment and wastewater treatment.

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Dewatering low-concentration sludge

Manufacturing Plant of Synthetic Fiber Materials in Indonesia

Problem

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

Problem

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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