Process of Discharged Water Treatment

The document describes an integrated water treatment system designed for processing discharged water, particularly from barrel finishing processes. The system consolidates five physical-chemical treatment processes—coagulating sedimentation, pressure flotation, filtration, dehydration, and neutralization—into a single machine called the Ostle series.

Key Features and Benefits

• Space Saving: The system reduces the footprint by approximately 80% compared to conventional setups by integrating multiple processes.
• Energy Saving: Operates solely on the filtration pump power, eliminating the need for additional equipment such as stirrers, conveying pumps, vacuum pumps, and dehydrators, resulting in significant cost reductions.
• Resource Saving: Does not require flocculating agents, sedimentation accelerators, or filter aids, which reduces chemical consumption and industrial sludge generation, lowering waste disposal costs.
• Operational Ease: The system avoids clogging of filter cloths, requiring replacement only once or twice per year. Cake disposal is simplified using filter paper, and units can be exchanged easily via a frame system.
• Scalability: Treatment capacity can be increased by adding filter plate units and sidebars, allowing easy extension to accommodate increased discharged water volumes.

Specifications

The Ostle series includes multiple models differentiated by processing capacity and number of chambers. Models range from 0.5m³ to 2m³ per day, with corresponding dimensions and weights:

Note: Models are based on 600 mm square filter plates multiplied by the number of chambers. The 600 series can accommodate up to 600 chambers. Full-automated versions are available. Specifications may change without prior notice.

Process Flow and Treatment Details

The treatment process includes:

1. Pretreatment: Chemical neutralization and coagulation.
2. Agglomeration and Sedimentation: Physical-chemical processes to aggregate and settle suspended solids.
3. Condensation and Dehydration: Removal of water content from sludge.
4. Filtration: Full filtration of the entire volume of discharged water to ensure stable processed water quality.

The system is designed to handle unstable discharged water with variable suspended solids density, common in barrel finishing processes. It stabilizes the water properties, reducing maintenance and cleaning efforts.

Environmental and Operational Advantages

• No need for polymer coagulating tanks or coagulating sedimentation tanks, unlike conventional equipment.
• No sludge discharge from filtered water due to precision filtration.
• Applicable to various types of discharged water beyond barrel finishing, including painting, chemical conversion coating, acidic/alkaline water, die-cast mold release, plating, ceramics, ferrite, tile siding board, and cutting processes.
• Stable processed water quality unaffected by fluctuations in raw discharged water.

Contact and Additional Information

Manufacturer: Tipton Co., Ltd.
Head Office: 3-19-21 Toyoda, Minami-Ku, Nagoya, Aichi Prefecture 457-8566, Japan
Tel: +81-52-692-6666 | Fax: +81-52-692-9445
Tobishima Factory: 3-25-1 Odakara, Tobishima-Mura, Ama-Gun, Aichi Prefecture 490-1438, Japan
Tel: +81-567-56-7500 | Fax: +81-567-56-7513
Email: [email protected], [email protected]
Website: http://www.tipton.co.jp

Critical Parameters and Limitations

• Processing capacity is based on fresh water; actual capacity varies depending on sludge amount and barrel finishing conditions.
• Discharged water quality indicators include SS (suspended solids) up to 1500 ppm, COD up to 200 ppm, and N-Hx up to 15 ppm before treatment, reduced to SS 20 ppm, COD 20 ppm, and N-Hx 5 ppm after treatment.
• Regular maintenance includes filter cloth replacement once or twice per year.