[Case Study] Stabilization Measures for Treated Water in Wastewater Treatment Facilities

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last updated：Oct 22, 2020

蒲田工業

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Stabilization measures for treated water from wastewater treatment facilities.

At the Tokyo Kanefuku, a seafood product manufacturer, there was a significant fluctuation in the water quality load of the wastewater discharged from the factory, resulting in an unstable condition. Consequently, they faced issues with stabilizing the water quality after wastewater treatment and the associated operational management efforts. 1. The water quality of the discharged wastewater is unstable. 2. Operational management is very labor-intensive for stabilizing the numerical values. 【Current Wastewater Treatment Equipment】 Treatment Device Name: Multi-tank Resin Net Treatment Device Treatment Method: Contact Aeration Immersion Filtration Oxidation Method Treated Water: Wastewater generated during the production of seafood (mentaiko)

Related Link - http://www.kamata.co.jp/html/solution/2008/02/post…

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We conducted an inspection of the wastewater treatment facility, investigated the current factory wastewater (raw water), performed design calculations for equipment capacity, and proposed enhancements and improvements to the aeration tank using porous soft ceramic as the contact medium. Additionally, we proposed the construction of a new sedimentation tank to increase the wastewater treatment capacity. 1. Proposed the Eco-Bio System using porous soft ceramic as the contact material. 2. Proposed modifications to the aeration tank and the addition of a sedimentation tank to increase wastewater treatment capacity. 3. Proposed renovation work for the equipment. - Filled ceramic carrier units in aeration tanks No. 1 to 3 (1,800 units). - Installed one blower for oxygen supplementation. - Newly established one pump for returning water from the buried aeration tank to the above-ground aeration tank. - Abolished the existing buried sedimentation tank and newly established one above-ground sedimentation tank (34m³).