Stabilization measures for treated water from wastewater treatment facilities.
At the Tokyo Kanefuku seafood manufacturer, the quality load fluctuations of the wastewater discharged from the factory were significant and unstable. As a result, they faced issues with stabilizing the water quality after treatment and the associated operational management efforts. 1. The 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-chamber Resin Net Treatment Device Treatment Method: Contact Aeration Immersion Filtration Contact Oxidation Method Treated Water: Wastewater generated during the production of seafood (mentaiko)
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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 enhancement and improvement work for aeration tanks using porous soft ceramic as the contact medium. Additionally, we proposed the construction of a new sedimentation tank to increase wastewater treatment capacity. 1. Proposed the Eco-Bio System with porous soft ceramic as the contact material. 2. Proposed modifications to the aeration tanks and the addition of sedimentation tanks 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 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).
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