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- W2011931544 abstract "Multi-objective decision making method can make the evaluation process with intuitive and transparent, easily accepted by the people; rules of its evaluation process and realistic simulation calculation it will help to reduce the decision-making errors; multi-objective decision may also apply to group decision making, integrated consider one or more groups of decision makers multiple views and choose the best balanced solution. Thus managers remediation technology screening methods often used to repair various decision Screening. Introduction The current restoration work at contaminated sites of practice and gradually formed a contaminated site remediation management system, but the venue is still in the approval or guide the comment period, the current site remediation management system is not mature, could be improved. [1-3] taking into account the outstanding problems of contaminated site remediation technology screening exists, the paper carried out a screening method and its application based Tops is contaminated site remediation technologies. Contaminated Site Remediation Technology Evaluation Method Screening of contaminated sites remediation technology principle is to judge the merits of the standard, that is what kind of repair techniques for the best repair technique. Currently our best remediation technology for contaminated sites not defined, temporary reference to foreign sites using the generally accepted principles of sustainability, and consider the characteristics of immature technology of repair, identified the following technical screening of contaminated site remediation principles: (1) Site the risk is acceptable, repair to an acceptable risk of re-use of the site corresponding to the level of pollutant concentration; (2) repair technology and easy handling, repair controllability strong technical operations, process the unexpected happens less; (3) on the surrounding less affected; (4) size of the project, a reasonable investment; (5) without a significant increase in the cost of repairing the premise to shorten the recovery time. Screening index evaluation of restoration can refer to varying degrees of detail, too much information would be lost if the indicators are used to score so the way, some have more reference information index evaluation. Advantages Tops is decision method is that it can be evaluated using indicators of objective value, but also to evaluate the numerical score, with good compatibility. In order to better reflect the actual situation of each index in the scoring process used as an objective value score, but there are many indicators are still only a numerical score, specific evaluation methods are as follows. International Conference on Materials, Environmental and Biological Engineering (MEBE 2015) © 2015. The authors Published by Atlantis Press 530 Venue Operability: consider the implementation process three categories of natural disturbance conditions: soil physical properties (such as viscosity, permeability, moisture content, particle size, etc.), contaminated media properties (whether in the saturation region, pollution depth, homogeneity etc.), soil chemical properties (egg pH, Eh, CEC, organic matter, etc.). Minus point’s method using the index score. Technology maturity: the number of venues in the United States each repair technology Superfund site remediation implemented as a reference to determine the repair technical maturity. Total cost: the cost of restoration techniques mainly from information technology screening matrix repair and repair of technical information related summary document. Repair time, resource requirements, acceptability, secondary pollution / environmental impact of four indicators. Index weights determined Using analytic hierarchy process for the first layer and the second layer relative weights of index weight is calculated, wherein the second layer of technical indicators, economic and environmental indicators corresponding to the judgment matrix are shown in Table 1, Table 2 and Table 3. Consistency index and consistency of judgment matrix ratio CI, CR are 0, considered judgment matrix basically the same. Right judgment matrix based on the calculated weight of each index are shown in Table 4. Table 1: The weight of the second layer of technical indicators to determine the corresponding weight matrix Operability Applicability of pollutants Repair time Technical indicators 1 1 1/3 Applicability of pollutants 1 1 1/3 Repair time 3 3 1 Calculated, operability, pollutants applicability, repair time index weights were 0.2, 0.2 and 0.6. Consistency test: Kmax = 3, CI = 0, RI = 0.58, CR = 0. Table 2: right economic indicators to determine the corresponding second layer weight matrix Total cost Resource Requirements Total cost 1 7 Resource Requirements 1/7 1 After calculation, the total cost, resource requirements right index weights were 0.875, 0.125. Consistency test: Kmax = 2, CI = 0, RI = 0, CR = 0. Table 3: The right to social environmental indicators corresponding to the second layer of heavy judgment matrix table Acceptability Secondary pollution Acceptability 1 1 Secondary pollution 1 1 After calculation, the total cost, resource requirements right index weights were 0.5, 0.5. Consistency test: Kmax = 2, CI = 0, RI = 0, CR = 0." @default.
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- W2011931544 date "2015-01-01" @default.
- W2011931544 modified "2023-09-27" @default.
- W2011931544 title "Applied Research of Tops is Technology in Contaminated Soil Remediation" @default.
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- W2011931544 doi "https://doi.org/10.2991/mebe-15.2015.122" @default.
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