Significantly reduce construction sludge volume with NETIS registered technology! Achieve both reduced industrial waste costs and shortened construction periods. Proven track record of 2,650 cases nationwide, with installation possible in as little as one week.
This catalog is a solution guide from Seisui Industry that addresses the challenge of "construction sludge treatment" at civil engineering sites. It explains methods centered around the Ministry of Land, Infrastructure, Transport and Tourism's NETIS registered technology, the "Civil Engineering Sludge Water Reuse System," which dewaters and reduces the volume of sludge water generated on-site, achieving cost reductions in industrial waste disposal and shortening construction periods. It includes a wide range of construction methods and case studies from the field, such as reverse circulation, underground continuous walls, thrusting and shielding, dredging of dams and rivers, and soil washing. The catalog specifically presents advantages compared to vacuum truck removal and conventional sedimentation treatment, cost comparisons, and examples of installation space. Additionally, it contains specifications and separation principles of the main equipment, the "Decanter Centrifuge," the flow from inquiry to installation and removal, and frequently asked questions (Q&A). This book provides answers to site-specific concerns such as construction in narrow spaces, emergency trouble response, and treatment of heavy metal contaminated soil.
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basic information
Seisui Industrial's "Civil Engineering Sludge Reuse System" is a technology that uses a high-performance centrifuge to rapidly separate construction sludge into "reusable water" and "dewatered cake (solid matter)." 【Main Features】 1. Overwhelming volume reduction: Compresses the volume of sludge to a maximum of 1/4 to 1/6. Dramatically reduces expensive industrial waste disposal and transportation costs. 2. Circulation of water resources: The separated treated water can be reused as jet-assisted construction water or excavation water after specific gravity adjustment. This also reduces water purchase costs. 3. Space-saving design: No sedimentation tank is required, allowing installation and operation even in narrow urban sites or tunnels. 4. Rapid response: Plant installation can be completed in as little as one week from inquiry. It also responds immediately to unexpected troubles or emergency construction. 5. Capability to handle difficult sludge: Can process challenging sludge such as high-concentration sludge, cement-contaminated water, water containing heavy metals like arsenic and mercury, and sludge containing oil, which are difficult to treat with conventional methods.
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Applications/Examples of results
The catalog includes numerous specific success stories that have achieved cost reduction and shortened construction periods. 【Seismic Reinforcement & Jet Mixing】 Dewatering of soil generated from steel sheet pile driving was conducted on-site. Compared to vacuum transportation, costs were reduced by 88% (approximately 42.5 million yen). 【Highway Bridge & Emergency Response】 In response to an unexpectedly large amount of soil generated, a plant was set up within a week. The sludge was reduced in volume by 1/6, achieving a cost reduction of approximately 14 million yen. 【Urban Development & Reverse Method】 The muddy water from pile construction was reduced in specific gravity from 1.18 to 1.06 through centrifugation, allowing for its recycling as excavation water. This achieved a reduction in industrial waste and water purchase costs. 【Retention Basin Dredging】 Continuous processing while dredging accumulated high-concentration sludge. The sludge volume was compressed to 1/6.2, resulting in an 80% total cost reduction (approximately 270 million yen). 【Sewage Pipeline Construction】 Continuous treatment of muddy water improved excavation efficiency. Compared to the filter press method, the construction period was shortened to 2/3.
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Company information
Seisui Industries is a rental company specializing in temporary dewatering plants for sludge treatment and water treatment troubles. We own 90 centrifuges, and we are the only company renting them out nationwide. We also respond quickly to emergencies during trouble situations.
