Biostimulation proposed by foundation ground consultants!
The "3N Injection Method" involves injecting three types of N (nano-bubble water, oil nano-decomposing agents, and nutrient salts) into the ground to purify the oil content in the soil and groundwater by activating in-situ oil-decomposing microorganisms. While utilizing the land and depending on the budget, effective purification will be carried out with a purification forecast that can be as quick as within one year or over several years, depending on the state of contamination. 【Features】 ■ Purification can be carried out while the building remains operational ■ Purification is possible according to the annual budget ■ The system's parts are compact and lightweight, making transportation, installation, and system modification easy ■ The purification system can operate automatically using solar power even without an electrical supply ■ The installation area for the purification system equipment is approximately 2m x 4m or less *For more details, please refer to the PDF document or feel free to contact us.
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basic information
【Overview of 3N Injection Method and System】 ■Target for purification: Oil components ■Purification method: Bioremediation using indigenous oil-degrading microorganisms ■Purification period: 1 to 2 years (varies depending on oil concentration) ■Purification process: - Install pumping wells and injection wells to understand the oil concentration in soil and groundwater, as well as the direction and velocity of groundwater flow. - Conduct quinone analysis of the soil and perform purification predictions using the quinone profile method. - Generate fine bubbles in the pumped groundwater, and automatically inject site-generated water containing oil-degrading treatment and nutrients into the ground to activate oil-degrading microorganisms. - After a few months, conduct a confirmation survey of the purification effect, and finally determine the completion of purification. *For more details, please refer to the PDF document or feel free to contact us.
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Applications/Examples of results
[Soil and Groundwater Purification Achievements] ■ Soil purification of oil tank sites ■ Soil purification of gas station sites ■ Soil purification of public land sites *For more details, please refer to the PDF document or feel free to contact us.
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Company information
As a "pioneer consultant in geotechnical engineering" in our country, we have long contributed to the enhancement of social infrastructure in the field of civil engineering and architecture. We provide nationwide support. We are a group of specialists in geotechnical engineering, covering not only traditional soil and geological fields but also design, construction management, environment, disaster prevention, and conservation. Our overseas business expansion has established bases in four countries, with approximately 70 local staff and 45 years of experience.
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