Wastewater treatment equipment and wastewater treatment method

The wastewater treatment apparatus and method enhance sludge dewatering efficiency by incorporating sludge residue as fibrous material, reducing costs and emissions, and stabilizing sludge treatment processes.

JP2026092827APending Publication Date: 2026-06-08SWING CORP

Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
SWING CORP
Filing Date
2024-11-27
Publication Date
2026-06-08

AI Technical Summary

Technical Problem

Existing methods for dehydrating sludge in sewage treatment require costly equipment, labor, and generate significant CO2 emissions due to the disposal of scum and sludge with poor dehydration properties.

Method used

A wastewater treatment apparatus and method that includes a sludge separation means, biological treatment tank, sludge storage tank, receiving tank, crushing pump, and dewatering device, with features like sludge mixing, crushing, and circulation to enhance dewatering efficiency using fibrous materials from sludge residue.

Benefits of technology

Improves dewatering properties of sludge, reduces disposal costs and CO2 emissions by utilizing fibrous materials from sludge residue, and stabilizes sludge treatment processes.

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Abstract

The present invention provides a wastewater treatment apparatus and wastewater treatment method that reduce costs, labor, and CO2 emissions, and improve the moisture content of dewatered cake. [Solution] A wastewater treatment apparatus comprising: a sludge separation means 1 having a screen for separating sludge contained in wastewater; a biological treatment tank 2 for biologically treating the separated water from which the sludge has been separated; a sludge storage tank 3 for storing excess sludge generated by the biological treatment; a receiving tank 4 for receiving organic sludge brought in from the outside; a sludge transfer means L1 for transferring the sludge separated by the sludge separation means 1 to the receiving tank 4; a crushing pump 5 for crushing the sludge-mixed organic sludge, which is organic sludge mixed with sludge from the receiving tank 4, and transferring it to the sludge storage tank 3; and a dewatering device 6 for dewatering the mixed sludge of sludge-mixed organic sludge and excess sludge from the sludge storage tank 3.
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