A non-discharge wastewater treatment facility that enables the on-site treatment of wastewater and domestic sewage discharged from toilets using the natural purification power of the soil.
The "TSS" is an energy-saving system with low maintenance costs and effort. The pre-treatment device (RC or FRP structure) consists of a first digestion chamber, a second digestion chamber, and a filtration chamber. Wastewater is separated into floating matter (scum), settled sludge, and supernatant in the digestion chambers. Additionally, water is rarely drawn from the storage tank, and the BOD removal rate is high at over 95%, with water being colorless and transparent, achieving a clarity of over 1 meter. If you would like to request construction, please feel free to contact <Oba Construction Co., Ltd. Environmental Civil Engineering Division>. 【Features】 ■ Wastewater treatment system utilizing natural purification power ■ Capable of handling large load fluctuations ■ Can be installed in areas without electricity ■ Energy-saving system with low maintenance costs and effort ■ Materials are robust, allowing for semi-permanent use *For more details, please refer to the PDF materials or feel free to contact us.
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【System Configuration】 ■Preprocessing Unit (RC or FRP Structure) ■Soil Treatment Unit ■Storage Tank *For more details, please refer to the PDF document or feel free to contact us.
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For more details, please refer to the PDF document or feel free to contact us.
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In our country, during the period of rapid economic growth, approximately 10 billion cubic meters of concrete structures were built, many of which have experienced deterioration over time, leading to repair work being carried out in various locations. However, Japan has a strong concept of "scrap and build," and the technology related to repair and reinforcement is somewhat lagging compared to overseas. Therefore, Oba Construction Co., Ltd.'s Environmental Civil Engineering Division has started as a specialized department for the repair of concrete structures, aiming for high-quality repairs by actively introducing new technologies and overseas techniques. As a new technology for crack repair, we have adopted the "pressure-controlled injection method." By applying appropriate pressure with a pump while permeating the repair material, it ensures that the material reaches deep into the cracks. It can accommodate widths of up to 0.02 mm. Additionally, we own a German-made ultra-high-pressure water jet machine, which achieves high-quality surface treatment, chipping, coating removal, and cleaning compared to existing methods.
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