Case Study of Food Factory [Peanut Butter Factory] Solutions for Oil and Sludge in Wastewater
Nakajima Bussan Co., Ltd. | OMB Wastewater Treatment System
Retrofitting existing equipment to reduce oil content, odors, and excess sludge. Reducing wastewater treatment costs.
In food factories, managing oil content, odors, and sludge in wastewater treatment is crucial for hygiene management and reducing environmental impact. If these issues are not adequately addressed, there are concerns about increased treatment costs and effects on the local environment. Our OMB wastewater treatment system combines the oxidation power of ozone, efficient gas supply through micro-nano bubbles, and microbial treatment using a special carrier that includes activated carbon to promote the breakdown of oil and organic matter. It can be retrofitted using existing adjustment and aeration tanks, enhancing treatment capabilities while minimizing the need for complete equipment renewal. In addition to reducing excess sludge and odors, it aims to alleviate the burden of chemical costs, electricity costs, sludge disposal costs, and daily management. 【Application Scenarios】 - Wastewater treatment with high oil content - Factory wastewater requiring odor control - Cases aiming to reduce sludge disposal costs - Situations where existing equipment is utilized to enhance wastewater treatment capacity 【Benefits of Implementation】 - Significant reduction in oil content - Decrease in sludge volume - Suppression of odors - Reduction in chemical costs, electricity costs, and sludge disposal costs - Stabilization of wastewater treatment
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【Features】 - High decomposition ability achieved by combining fine bubbles with ozone oxidation and a carrier for biological treatment. - The MNB nozzle generates fine bubbles with a diameter centered around 30μm, designed to minimize clogging from solids and fibers. - Compatible with retrofitting existing adjustment and aeration tanks, helping to reduce the need for complete equipment renewal. - Contributes to the reduction of excess sludge and odors, as well as lowering chemical, electricity, and sludge disposal costs. - Proven track record in food factories (significant reduction in oil content and halving of sludge volume). 【Our Strengths】 Our fine bubble system features a simple and practical configuration that combines our self-manufactured fine bubble generation nozzle with commercially available pumps and flow meters. The nozzle has a simple structure that is resistant to clogging, reducing maintenance burdens. Additionally, by utilizing general-purpose equipment, parts can be easily and affordably procured if replacements are needed, supporting long-term operation. We prioritize the balance between the performance required for oxygen supply and the costs of installation and maintenance. We propose systems tailored to customers aiming for stable operations while minimizing the burden of capital investment in complex control equipment.
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■Purpose: Treatment of factory wastewater from meat, seafood, dairy products, confectionery, etc. Reduction of oil content (n-Hex), organic matter, and suspended solids, reduction of excess sludge, odor control, and improvement of existing facilities. ■Peanut Butter Manufacturing Plant / 550t/day: Achieved approximately 95.5% reduction in BOD and over 98% reduction in oil content (n-Hex) compared to raw water. 1) MNB device 2) Submersible pump MNB nozzles x 5 units 5.5kw, 3.7kw x a total of 5 units 3) Ozone generation device 30g/h x 4 units *Sludge reduced by half without special carriers 【Specific Construction Example】 BOD Before/After Installation 620 ➤ 28 SS Before/After Installation 380 ➤ 15 n-Hex Before/After Installation 130 ➤ <2.5 *Significant improvement in all three indicators
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Our company engages in a wide range of operations, from handling industrial products in general to factory process development. Additionally, as a specialized dealer of Daikin Industries products, we have established a system that focuses on after-sales support during repairs. Please feel free to contact us first.
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