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Hunan Yongqing Environmental Protection Co., Ltd
Site restoration
NegotiableUpdate on 05/03
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Overview
SoilRemediation has strong research and development capabilities in site remediation, including the National Engineering Laboratory for Soil Pollution Control and Remediation Technology, the National Enterprise Technology Center, and the Postdoctoral Research Workstation. In the past five years, it has undertaken more than 20 national and provincial-level research projects, possessing multiple advantages in research and development innovation, technology transformation, and industrial application
Product Details
Soil Remediation
Site restoration
core technology
Core Technology
Yongqing Environmental Protection has formed a complete technical system in the field of soil remediation through independent research and development and integrated mergers and acquisitions. The ion mineralization stabilization technology independently developed for heavy metal contaminated soil has been recognized by experts as domestic; A series of advanced and mature technologies have been introduced from abroad for organic matter contaminated soil, including ultra clean soil ex situ thermal desorption technology, ISETER in-situ electric heating enhanced recovery treatment technology, extreme soil gas extraction technology (XSVE), and organic matter in-situ/ex situ chemical oxidation/reduction treatment technology, which are internationally recognized.
Soil ion mineralization caused by heavy metal pollution ™ Stabilization Technology (MIMS)
Classic Case
Classic Case
Tanghe Sewage Reservoir of Xiong'an New Area Environmental Treatment Project No.1
Tanghe Sewage Storage Phase II Site Investigation and Design Project
Complete tasks such as sample collection, transportation, testing, analysis, and report preparation.
Through the detection and analysis of over 50000 data points, the types, concentrations, spatial distribution characteristics, and risk levels of pollutants in the soil and groundwater of the site were determined. The Tanghe Phase II site investigation report and risk assessment report were compiled, and more than 100 pollution distribution atlases were drawn. The expert review of the site investigation report and risk assessment report was conducted.
Complete the repair plan, preliminary design (including budget), construction drawing design (including budget), and preparation of environmental impact assessment documents, determine an economically reasonable governance technology route and process, and provide technical services required throughout the project construction process.
Other cases
Others Case
Soil Remediation Demonstration Pilot Project
Site restoration
R&D strength:We have three major scientific research and technology platforms: the National Engineering Laboratory for Soil Pollution Control and Remediation Technology in Farmland, the National Enterprise Technology Center, and the Postdoctoral Research Workstation. In the past five years, we have undertaken more than 20 national and provincial-level scientific research projects, possessing multiple advantages in research and development innovation, technology transformation, and industrial application.
Expert team:The expert team consists of environmental remediation experts, James Ray, founder of IST Corporation in the United States, and soil remediation expert Dr. Luo Qishi. There is a soil remediation technology center with nearly 100 professional technicians engaged in soil remediation.
Complete industrial chainWe have established a complete industrial chain covering the entire process of environmental restoration planning consultation, site investigation, environmental monitoring, risk assessment, engineering design and construction, and pharmaceutical production.
Mastering core technologies:Through independent research and development, as well as integrated mergers and acquisitions, a complete technological system has been formed in the field of environmental remediation. We have key technologies such as heavy metal ion mineralization stabilization (MIMS), volatile organic compound extreme gas extraction (XSVE), and in-situ heat enhanced recovery treatment (ISETER).
Capable of implementing international projects:Yongqing Environmental Protection's IST company in the United States has numerous cases of soil and groundwater remediation. It serves countries along the the Belt and Road, the Americas and the Middle East, and has the strength to undertake international restoration projects.
Having numerous successful cases:It is one of the enterprises with the most successful cases in China. We have undertaken multiple projects, including the ecological restoration project of No.1 Ecological Restoration Project in Xiong'an New Area - Tanghe Sewage Reservoir Pollution Control and Ecological Restoration Phase I Project, Soil Remediation Demonstration Pilot Project - Jiangsu Jingjiang Site Remediation Project, and the original Jiangsu Nantong Textile Dyeing Factory Site Remediation Project using two major remediation technologies for joint treatment.
core technology
Core Technology
Yongqing Environmental Protection has formed a complete technical system in the field of soil remediation through independent research and development and integrated mergers and acquisitions. The ion mineralization stabilization technology independently developed for heavy metal contaminated soil has been recognized by experts as domestic; A series of advanced and mature technologies have been introduced from abroad for organic matter contaminated soil, including ultra clean soil ex situ thermal desorption technology, ISETER in-situ electric heating enhanced recovery treatment technology, extreme soil gas extraction technology (XSVE), and organic matter in-situ/ex situ chemical oxidation/reduction treatment technology, which are internationally recognized.
Soil ion mineralization caused by heavy metal pollution ™ Stabilization Technology (MIMS)
Technical advantages:
·Low cost and operating expenses, small volume increment of processed materials, short processing cycle, strong applicability, and can be used both in situ and ex situ.
·It has a long-lasting stabilization (passivation) remediation effect on various heavy metal pollutants in soil.
·This technology has been selected for the National Key Environmental Protection Practical Technology Catalog and has been awarded multiple national inventions.
·Selected into the "the Belt and Road Technology Reserve"
Application fields:
·Sites contaminated with heavy metals, such as mercury, cadmium, lead, chromium, arsenic, nickel, and other single or composite pollutants.
Ultra clean soil ex situ thermal desorption technology
Technical advantages:
·Direct heating thermal desorption equipment, an advanced technology equipment for soil organic pollution remediation, adopts modular design and is easy to install.
·No secondary pollution, the exhaust can be directly discharged after combustion.
·The pollutant removal rate can reach 99.98%.
Application fields:
·Remediation of soil contaminated with volatile and semi volatile organic compounds such as pesticides, oil and gas, polycyclic aromatic hydrocarbons (PAHs), polychlorinated biphenyls (PCBs), etc.
Extreme Soil Gas Extraction Technology (XSVE)
Technical advantages:
·XSVE has successfully solved the problem of traditional SVE removal, with high removal efficiency for low volatile organic compounds.
·This technology has strong operability, a wide range of pollutant treatment, can be operated by standard equipment, does not damage soil structure, and has potential value for recycling waste.
Application fields:
·Volatile organic compound pollution, such as SVOC, pesticides, polycyclic aromatic hydrocarbons.
·Pollutants with high water solubility, such as MTBE, 1,4-dioxane, etc.
In situ chemical oxidation/reduction technology for soil
Technical advantages:
·Multiple combination injection methods are used to accurately cover the contaminated area.
·Adopting independently developed oxidation/reduction agents, with high oxidation/reduction efficiency and long duration of action.
·Volatile organic compounds, such as chlorinated solvents such as dichloroethylene, trichloroethylene, and tetrachloroethylene, as well as benzene derivatives such as benzene, toluene, ethylbenzene, and xylene;
Application fields:
·Semi volatile organic compounds, such as polycyclic aromatic hydrocarbons and polychlorinated biphenyls.
·Compounds containing unsaturated carbon bonds, such as paraffin and chlorinated aromatic compounds.
In situ electric heating enhanced recycling technology (ISETER)
Technical advantages:
·Compared to general electrodes, the heating efficiency has increased by 60%, and the cost advantage is significant.
·It has uniform soil heating, fast heating, effective recovery of free phase, and shortened remediation cycle.
·Can be combined with other technologies such as oxidation and biology, and accelerate natural decay.
Application fields:
·Volatile organic pollutants and oil contaminated sites.
·Oil sludge contaminated site.
Classic Case
Tanghe Sewage Reservoir of Xiong'an New Area Environmental Treatment Project No.1
Big data BIM、 A number of new technologies such as blockchain and facial recognition have been innovatively applied in the environmental governance projects in the new district, reflecting the high requirements of environmental governance projects in the new era and representing the future development direction of the environmental protection industry.
Duration:43 days
Completed:Tanghe sewage storage area with over 30000 cubic meters of residual sewage treatment, nearly 70000 tons of solid waste removal, and ecological restoration of over 500000 square meters of storage area;
solve:Tanghe sewage reservoir has been plagued by historical pollution problems for over 40 years
Build:A fresh and bright ecological green corridor interwoven with blue and green, blending seamlessly with the water city
Tanghe Sewage Storage Phase II Site Investigation and Design Project
Complete tasks such as sample collection, transportation, testing, analysis, and report preparation.
Through the detection and analysis of over 50000 data points, the types, concentrations, spatial distribution characteristics, and risk levels of pollutants in the soil and groundwater of the site were determined. The Tanghe Phase II site investigation report and risk assessment report were compiled, and more than 100 pollution distribution atlases were drawn. The expert review of the site investigation report and risk assessment report was conducted.
Complete the repair plan, preliminary design (including budget), construction drawing design (including budget), and preparation of environmental impact assessment documents, determine an economically reasonable governance technology route and process, and provide technical services required throughout the project construction process.
Restoration of a textile dyeing factory site in Nantong, Jiangsu Province
The main pollutants in the site are heavy metal arsenic and polycyclic aromatic hydrocarbon benzo (a) pyrene, which exceed the standard by 10 times. The pollution depth reaches -3.5m, and there is a composite pollution of heavy metals and organic matter in the soil.
Yongqing Environmental Protection has conducted repeated research, demonstration, screening, and comparison of different remediation technology solutions, and finally adopted the "ex situ thermal desorption+soil leaching" remediation technology to jointly treat complex polluted sites on the same site.
This model will have a demonstrative effect on the rapid development of the pollution site treatment industry and the technological development of the industry.
This model will have a demonstrative effect on the rapid development of the pollution site treatment industry and the technological development of the industry.
Jiangsu Jingjiang Site Restoration Project
For soil remediation demonstration pilot projects. Yongqing Environmental Protection has developed a scientifically feasible restoration implementation plan for the project, integrated and demonstrated various types of restoration technologies, effectively controlled various risks on the site, and planned various contingency plans in advance, ensuring the smooth and safe progress of polluted site treatment.
《 》 and 《 China Environment News 》 have given recognition and recommendation to the project——
·Multiple repair techniques integrated, tailored comprehensive solutions
All acceptance testing samples have a concentration lower than or equal to the repair target value, with 99% meeting the standard.
·Adjust repair techniques in a timely manner based on the actual situation on site
Adopting the fixed well injection method as the in-situ soil stabilization and remediation method, a total of 144 injection wells have been constructed to in-situ remediate 1382m of heavy metal contaminated soil3.
·Establish the concept of green restoration and create replicable model projects
Adopting in-situ remediation technology, the contaminated soil is not removed from the site, the risk of secondary pollution is low, the impact on the surrounding environment is minimal, and the acceptance level of surrounding residents is high.
Soil Remediation Project in Wilmington, USA (128000m)3）
Repair scale:128000m3
Pollution status:The main pollutant, petroleum hydrocarbons (TPH), reaches 20000mg/kg
Governance objectives:1000mg/kg
solutionCase: Super gas-phase extraction XSVE technology+biological ventilation technology
Repair effect:<1000mg/kg
Other cases
Others Case
Soil Remediation Demonstration Pilot Project
·Soil pollution control and restoration project for cultivated land in a certain area of Taixing City, Jiangsu Province
Heavy metal pollution control
·Comprehensive treatment and ecological restoration project for heavy metal pollution in the upper reaches of the Yellow River in Gansu Province
·Comprehensive Environmental Pollution Control Project in Shaoyang, Hunan Province
·Phase I Project of Comprehensive Prevention and Control of Heavy Metal Pollution and Xiangjiang River Basin Water Pollution in a County of Chenzhou, Hunan Province
·Design and Construction General Contracting Project of Waste Residue Comprehensive Treatment Company in Hengyang, Hunan Province
Organic pollution control
·Tianjin Petrochemical System Soil Remediation Project
·Jiangsu Chemical Plant Polluted Soil Treatment Project
·Remediation project for contaminated site at the original site of a coking plant in Xuzhou, Anhui Province
Fly ash treatment
·Hunan Puxiang Municipal Solid Waste Incineration Power Plant Municipal Solid Waste Incineration Fly Ash Treatment
·Sichuan Chengdu Xingrong Wanxing Environmental Protection Power Plant Domestic Waste Incineration Fly Ash Treatment
Farmland restoration project
·Passivation and Restoration Project for Soil Pollution Control and Restoration of Cultivated Land in a Certain Area of Sichuan Province
·Third party remediation pilot for heavy metal contaminated farmland in a county in Zhuzhou, Hunan Province
International IST Project
·Remediation project for contaminated soil in Trecatai, Italy
·Kuwait Oil Lake Pollution Soil Remediation Project
·Indianapolis Soil Remediation Risk Assessment
·Investigation on the restoration of black liquor ponds in pulp and paper mills in southern Georgia, USA
·Mexico City Scapasaco Former Refinery Restoration Project
intellectual property right
Interllectual Property
● Qualifications
Interllectual Property
·Grade B Qualification for Environmental Remediation Special Design
·Grade B qualification for solid waste treatment and disposal
·Qualification for Engineering Consulting (Municipal Public Works Direction)
·First level qualification for special contracting of environmental protection engineering
●
·A rapid pre-treatment device for detecting the effectiveness of soil stabilization treatment
·A remediation agent and usage method for treating arsenic contaminated soil
·A stabilizer for treating lead contaminated soil and its application
·Liquid stabilizer for processing high cadmium and lead content waste incineration fly ash and its usage method
·A in-situ thermal desorption remediation system for polluted soil
● System · Equipment
·A system for solidifying and stabilizing polluted soil for remediation
·A soil screening and crushing equipment
·A material crushing equipment
·A system for configuring soil remediation agents
● Technological achievements
·In July 2013, the ion mineralization stabilization technology for heavy metal contaminated soil was included in the National Key Environmental Protection Practical Technology List (Batch 1)
·In October 2015, Yongqing Environmental Protection's independently developed heavy metal polluted soil liquid ion mineralization stabilizer passed the scientific and technological achievement evaluation
·In March 2019, the national key research and development program led by Yongqing Environmental Protection launched the "Comprehensive Prevention and Control of Nonferrous Metal Smelting Sites in Central South China and the Research and Integration Demonstration of Safe Utilization Technology for Redevelopment" project
·In June 2019, the technology of heavy metal soil ion mineralization was included in the "Technology List" and the "Green the Belt and Road" Technology Reserve "
·In January 2020, Yongqing Environmental Protection led the implementation of the "Technical Guidelines for In Situ Injection Remediation of Polluted Groundwater"
·In December 2020, the pollution control project of the first phase of pollution control and ecological restoration of Tanghe sewage reservoir, which Yongqing Environmental Protection participated in, was selected as the "2020 Key Environmental Protection Demonstration Project List". As the first environmental governance project in Xiong'an New Area, the pollution control of Tanghe sewage reservoir has made significant breakthroughs.
·In January 2020, Yongqing Environmental Protection led the implementation of the "Technical Guidelines for In Situ Injection Remediation of Polluted Groundwater"
·In December 2020, the pollution control project of the first phase of pollution control and ecological restoration of Tanghe sewage reservoir, which Yongqing Environmental Protection participated in, was selected as the "2020 Key Environmental Protection Demonstration Project List". As the first environmental governance project in Xiong'an New Area, the pollution control of Tanghe sewage reservoir has made significant breakthroughs.