[Case Study] Reduction of Normal Hexane Extractable Substances in Food Washing Wastewater <Gifu Prefecture>
A case where water quality standards (n-hexane, pH) were met by changing the treatment method from aeration to coagulation and sedimentation.
We would like to introduce a case where the "Compact Wastewater Treatment Device, Aqua Nature Plus" was implemented in the industrial waste treatment industry. A significant issue was the discharge of wastewater containing a large amount of oil during the cleaning of the packer trucks used for collection and transportation. After implementation, we were able to complete one batch treatment within 30 minutes by combining natural filtration methods with reusable filter bags, and we can now process 8 to 10 batches a day using a coagulation and sedimentation treatment device with a capacity of 1m3 per batch. [Challenges (partial)] - The presence of oil causes a decrease in pH. - It is costly to remove existing treatment devices, so we wanted to introduce a treatment device that makes the most of the existing equipment. - A large volume of wastewater is discharged in a short time, so we wanted to process it as quickly as possible. - We wanted to keep the implementation costs as low as possible. *For more details, please refer to the related links or feel free to contact us.
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**Proposal and Results** **Proposal** - Selection of chemicals and establishment of treatment flow to reduce n-hexane within the reference value - Modification of the existing aeration tank to a raw water pit and introduction of wastewater treatment equipment - Adoption of natural filtration method to keep initial costs down - Use of reusable filter bags to reduce running costs **Results** - By changing the treatment method from aeration to coagulation and sedimentation, we met water quality standards (n-hexane, pH) - The combination of natural filtration and reusable filter bags allowed us to complete one batch treatment in under 30 minutes, enabling the coagulation and sedimentation treatment system to process 8 to 10 batches per day at a rate of 1m3 per batch *For more details, please refer to the related links or feel free to contact us.*
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If you have any issues with wastewater treatment, leave it to Nextree. 【Struggling with wastewater treatment】 ■ Want to reduce wastewater treatment costs ■ Unable to process effectively with current methods ■ Looking for effective coagulants 【Struggling with sludge (construction sludge and dredged soil) treatment】 ■ Want to make construction sludge and dredged soil transportable ■ Looking for neutral solidifiers ■ Want to reduce the volume of bentonite sludge, etc. 【Struggling with waste paint treatment】 ■ Want to dispose of unwanted water-based paint cheaply ■ Have a mountain of waste paint piled up in the warehouse ■ Having trouble with paint disposal 【Struggling with wet paint booth cleaning】 ■ Cleaning the booth takes time and effort ■ Want to reduce sludge disposal costs ■ Want to reduce odors and improve the working environment We will not say "we can't" to our customers' troubles, but will think hard, search, and create solutions.