Patents Assigned to Nanjing Institute of Environmental Sciences, MEE
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Patent number: 11969733Abstract: A production device for preparing a building material using a fine particle silt in iron tailings includes an operation desk and a grinding device. During movement of edge plates, gears are located inside a side groove and keep meshing with toothed grooves, the edge plates will drive various gears to rotate along a same direction and drive grinding balls and connecting shafts to rotate while moving, the grinding balls will perform grinding treatment on the fine particle silt at the inner end of the grinding cabinet while rotating.Type: GrantFiled: December 22, 2023Date of Patent: April 30, 2024Assignee: Nanjing Institute of Environmental Sciences, MEEInventors: Houhu Zhang, Bing Ma, Hao Zhou, Yuanshun Xu, Guodong Kang, Yi Wang, Xiaowei Xu
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Sampling device and method for evaluating ecological risk of soil in high geological background area
Patent number: 11965805Abstract: A sampling device and method for evaluating ecological risk of soil in a high geological background area comprises an impact sampling mechanism, a soil layer stripping mechanism and an auxiliary support frame. The impact sampling mechanism comprises a sampling hopper with a downward opening. A connecting sliding rod is fixedly arranged on the top of the sampling hopper. An upper end of the connecting sliding rod is connected with an impact rod. The impact rod is internally provided with an impact hammer capable of reciprocating along an axis of the impact rod. The soil layer stripping mechanism comprises a stripping sliding cylinder in sliding fit with the connecting sliding rod, and a support disc. A plurality of stripping plates are connected to a lower side edge of the support disc in a sliding fit mode.Type: GrantFiled: June 13, 2023Date of Patent: April 23, 2024Assignees: Nanjing Institute of Environmental Sciences, MEE, Anhui Provincial Academy of Eco-Environmental Science ResearchInventors: Rongrong Ying, Wenbing Ji, Caiyi Zhao, Bing Xia, Yuanyuan Lu, Xiaoyu Zhang, Zhewei Hu, Yanhong Feng, Qi Li, Aijing Yin, Hongfeng Chen -
Patent number: 11964316Abstract: A method for reducing odor in remediation of pesticide chemical contaminated soil comprises preparing odor control sustained-release particles and evenly covering on the surface of the pesticide chemical contaminated soil according to a certain dosage; preparing odor covering base materials and mixed bacterial solution, and preparing the odor covering soil by mixing the odor covering base materials and mixed bacterial solution in proportion, and then covering the odor covering soil on the surface of the pesticide chemical contaminated soil; and inserting heating rods into the pesticide chemical contaminated soil, and heating the surface layer of the pesticide chemical contaminated soil to 30-40° C.Type: GrantFiled: December 1, 2022Date of Patent: April 23, 2024Assignee: Nanjing Institute of Environmental Sciences, MEEInventors: Shengtian Zhang, Mei Li, Lu Yang, Jinzhong Wan, Qun Li, Tingting Fan, Yan Zhou, Yuanchao Zhao, Xiang Wang
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Patent number: 11959238Abstract: A system for a sandy soil landfill solid waste polluted river channel, includes a ground water interception and diversion system and a river channel ecological remediation system. The ground water interception and diversion system includes a water intake well arranged upstream of ground water in a landfill area, a buffer pool communicated with the water intake well, and a wastewater treatment system communicated with the buffer pool. The water intake well, the buffer pool, and the wastewater treatment system are communicated through a wastewater pipe. An electric wastewater valve and a variable frequency water pump are arranged on the wastewater pipe in sequence. The river channel ecological remediation system includes an impermeable layer arranged at a bottom of a river channel and ecological bank protections arranged on both sides of a river channel slope.Type: GrantFiled: November 24, 2023Date of Patent: April 16, 2024Assignee: Nanjing Institute of Environmental Sciences, MEEInventors: Houhu Zhang, Xiaofei Yan, Jinglong Liu, Lichen Liang, Congcong Sun, Xiang Chen, Cheng Zhang
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Patent number: 11959122Abstract: A method for assessing microbial drug resistance multi-level risks of antibiotic residues in water environments, belonging to the technical field of water environment assessment, comprises the following steps: S1, environment monitoring; S2, preliminary screening of antibiotics: S2-1, determination of n-octanol/water partition coefficient, and S2-2, determination of antibiotic environment concentration; S3, assessment of microbial drug resistance; and S4, high-level assessment. The assessment method of the present disclosure conducts a step-by-step assessment of target antibiotics or target antibiotic derivatives in water environment with risks.Type: GrantFiled: May 27, 2023Date of Patent: April 16, 2024Assignees: NANJING INSTITUTE OF ENVIRONMENTAL SCIENCES, MEE, NANJING UNIVERSITYInventors: Xinyan Guo, Na Wang, Qingbin Yuan, Ni Ni, Xiaohui Zhang, Mali Shi, Jingbiao Li
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SAMPLING DEVICE AND METHOD FOR EVALUATING ECOLOGICAL RISK OF SOIL IN HIGH GEOLOGICAL BACKGROUND AREA
Publication number: 20240102891Abstract: A sampling device and method for evaluating ecological risk of soil in a high geological background area comprises an impact sampling mechanism, a soil layer stripping mechanism and an auxiliary support frame. The impact sampling mechanism comprises a sampling hopper with a downward opening. A connecting sliding rod is fixedly arranged on the top of the sampling hopper. An upper end of the connecting sliding rod is connected with an impact rod. The impact rod is internally provided with an impact hammer capable of reciprocating along an axis of the impact rod. The soil layer stripping mechanism comprises a stripping sliding cylinder in sliding fit with the connecting sliding rod, and a support disc. A plurality of stripping plates are connected to a lower side edge of the support disc in a sliding fit mode.Type: ApplicationFiled: June 13, 2023Publication date: March 28, 2024Applicants: Nanjing Institute of Environmental Sciences, MEE, Anhui Provincial Academy of Eco-Environmental Science ResearchInventors: Rongrong YING, Wenbing JI, Caiyi ZHAO, Bing XIA, Yuanyuan LU, Xiaoyu ZHANG, Zhewei HU, Yanhong FENG, Qi LI, Aijing YIN, Hongfeng CHEN -
Patent number: 11883866Abstract: An in-situ steam thermal desorption process for remediating pesticide contaminated sites comprises S1, determining a contaminated layer; S2, primary steam injection; S3, secondary steam injection and regulator injection; wherein the regulator comprises the following components in parts by weight: 0.2-0.8 parts by weight of hyper-thermophilic microbial agent, 0.5-0.9 parts by weight of carbamyl phosphate, 2-3 parts by weight of cyclic 2,3-diphosphoglycerate, 3-4 parts by weight of ethylenediamine tetraacetic acid, 15-17 parts by weight of wort, and 5-6 parts by weight of sodium octadecyl sulfate; S4, tertiary steam injection; S5, conservation.Type: GrantFiled: April 5, 2023Date of Patent: January 30, 2024Assignee: Nanjing Institute of Environmental Sciences, MEEInventors: Mei Li, Shengtian Zhang, Liming Han, Lu Yang, Jinzhong Wan, Qun Li, Yan Zhou, Tingting Fan, Decheng Jin, Yuanchao Zhao, Xiang Wang
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Publication number: 20240017312Abstract: An energy-saving in-situ steam thermal desorption process for remediating pesticide contaminated sites comprises S1, determining a contaminated layer; S2, primary steam injection; S3, secondary steam injection and regulator injection; wherein the regulator comprises the following components in parts by weight: 0.2-0.8 parts by weight of hyper-thermophilic microbial agent, 0.5-0.9 parts by weight of carbamyl phosphate, 2-3 parts by weight of cyclic 2,3-diphosphoglycerate, 3-4 parts by weight of ethylenediamine tetraacetic acid, 15-17 parts by weight of wort, and 5-6 parts by weight of sodium octadecyl sulfate; S4, tertiary steam injection; S5, conservation.Type: ApplicationFiled: April 5, 2023Publication date: January 18, 2024Applicant: Nanjing Institute of Environmental Sciences, MEEInventors: Mei LI, Shengtian ZHANG, Liming Han, Lu Yang, Jinzhong Wan, Qun Li, Yan Zhou, Tingting Fan, Decheng Jin, Yuanchao Zhao, Xiang Wang
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Publication number: 20240020783Abstract: A mining eco-environment damage evaluation method, a mining eco-environment damage evaluation system, and a storable medium are provided. The method includes: acquiring a data source to obtain an eco-environment influence factor; obtaining evaluation index information of the mining eco-environment damage; constructing a mine ecological destruction and environmental pollution loss system; establishing n loss evaluation models; and performing loss calculation on different loss evaluation models, thereby realizing damage evaluation on the mining eco-environment. The method combines actual eco-environment problems, selects key evaluation indexes emphatically, and improves evaluation accuracy based on reducing evaluation calculation amount.Type: ApplicationFiled: June 6, 2023Publication date: January 18, 2024Applicant: Nanjing Institute of Environmental Sciences,MEEInventors: Weibo MA, Haidong LI, Lijun ZHAO, Nan WANG, Shaogang LEI, Chenwei LIU, Longjiang ZHANG
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Publication number: 20230409670Abstract: A method and a system to analyze the driving relationship between ecosystem service and urban agglomeration development are provided. The spatial-temporal evolution characteristics of ESV in the Yangtze River Delta urban agglomeration are analyzed based on the revised equivalent value coefficient and land use data, the driving characteristics and the driving influence evolution characteristics of 10 indicators of human activities and natural conditions on ESV are explored through RF and SEM, an interaction relationship among influencing factors of ESV and the direct and indirect driving effect of the influencing factors on ESV are quantitatively measured under a unified framework, and the ESV evolution mode and the driving mechanism of the urban agglomeration are explored. The method can deeply study the interaction relationship among the influencing factors of the ESV, as well as the driving characteristics and driving paths of the driving factors to the ESV.Type: ApplicationFiled: May 31, 2023Publication date: December 21, 2023Applicant: Nanjing Institute of Environmental Sciences,MEEInventors: Weibo MA, Haidong LI, Lijun ZHAO, Nan WANG, Shaogang LEI, Chenwei LIU, Longjiang ZHANG
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Publication number: 20230392183Abstract: A method for assessing microbial drug resistance multi-level risks of antibiotic residues in water environments, belonging to the technical field of water environment assessment, comprises the following steps: S1, environment monitoring; S2, preliminary screening of antibiotics: S2-1, determination of n-octanol/water partition coefficient, and S2-2, determination of antibiotic environment concentration; S3, assessment of microbial drug resistance; and S4, high-level assessment. The assessment method of the present disclosure conducts a step-by-step assessment of target antibiotics or target antibiotic derivatives in water environment with risks.Type: ApplicationFiled: May 27, 2023Publication date: December 7, 2023Applicants: Nanjing Institute of Environmental Sciences, MEE, Nanjing UniversityInventors: Xinyan GUO, Na WANG, Qingbin YUAN, Ni NI, Xiaohui ZHANG, Mali SHI, Jingbiao LI
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Publication number: 20230264242Abstract: The invention discloses a method for reducing odor in remediation of pesticide chemical contaminated soil, including the following steps: S101. odor control sustained-release particles are prepared and evenly covered on the surface of the pesticide chemical contaminated soil according to a certain dosage; S102. odor covering base materials and mixed bacterial solution are prepared, and the odor covering soil is prepared by mixing the odor covering base materials and mixed bacterial solution in proportion, and then the odor covering soil is covered on the surface of the pesticide chemical contaminated soil covered by step S101; S103. heating rods are inserted into the pesticide chemical contaminated soil covered by step S102, and the surface layer of the pesticide chemical contaminated soil is heated to 30˜40° C.Type: ApplicationFiled: December 1, 2022Publication date: August 24, 2023Applicant: Nanjing Institute of Environmental Sciences, MEEInventors: Shengtian ZHANG, Mei LI, Lu YANG, Jinzhong WAN, Qun LI, Tingting FAN, Yan ZHOU, Yuanchao ZHAO, Xiang WANG
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Publication number: 20220241768Abstract: The disclosure relates to a diagnosis method and diagnosis device of ecotoxicity of solid waste soil in a pesticide production site. The diagnosis method is as follows: performing multi-point distributed collection on solid waste soil of a to-be-diagnosed pesticide production site, and subsequently pretreating the connected soil sample; synchronously performing a first toxicity test, a second toxicity test and a third toxicity test on the pretreated solid waste soil by using the diagnosis device. The diagnosis device comprises a first test device, a second test device and a third test device. The method of the disclosure is used for synchronous diagnosis of ecotoxicity by utilizing multiple diagnosis methods, and therefore is high in diagnosis efficiency and high in accuracy rate.Type: ApplicationFiled: January 15, 2022Publication date: August 4, 2022Applicant: Nanjing Institute of Environmental Sciences, MEEInventors: Shengmin WU, Feng TIAN, Yang GONG, Zhenqian ZHAO, Jing TIAN
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Patent number: 11383233Abstract: The disclosure relates to a diagnosis method and diagnosis device of ecotoxicity of solid waste soil in a pesticide production site. The diagnosis method is as follows: performing multi-point distributed collection on solid waste soil of a to-be-diagnosed pesticide production site, and subsequently pretreating the connected soil sample; synchronously performing a first toxicity test, a second toxicity test and a third toxicity test on the pretreated solid waste soil by using the diagnosis device. The diagnosis device comprises a first test device, a second test device and a third test device. The method of the disclosure is used for synchronous diagnosis of ecotoxicity by utilizing multiple diagnosis methods, and therefore is high in diagnosis efficiency and high in accuracy rate.Type: GrantFiled: January 15, 2022Date of Patent: July 12, 2022Assignee: Nanjing Institute of Environmental Sciences, MEEInventors: Shengmin Wu, Feng Tian, Yang Gong, Zhenqian Zhao, Jing Tian