Environmental remediation

Danilo Arenas
Mind Map by Danilo Arenas, updated more than 1 year ago
Danilo Arenas
Created by Danilo Arenas over 5 years ago
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Description

Ingeniería Mind Map on Environmental remediation, created by Danilo Arenas on 08/08/2016.

Resource summary

Environmental remediation
  1. Ocupations
    1. Engineering and mapping
      1. Implement the best methods for remediating polluted areas for reduce the risk of illness and injury for a company’s employees.
        1. Chemical engineer
          1. Environmental engineers
            1. Environmental engineering technicians
              1. Health and safety engineers
                1. Mining and geological engineers
                  1. Cartographers and photogrammetrists
                  2. Science
                    1. Management and business specialist
                      1. Administrative work
                        1. Natural sciences managers
                          1. Emergency management director
                            1. Cost estimators
                              1. Construction managers
                                1. Compliance officers
                                  1. Public relations specialist
                                  2. Construction and material-moving
                                    1. Operate the machinery that is used onsite in a remediation project
                                      1. Construction laborers
                                        1. Dredge operators
                                          1. Earth drillers
                                            1. Excavating and loading machine
                                              1. Hazardous materials removal workers
                                                1. Operating engineers and other construction equipment operators
                                              2. Concept
                                                1. Removal of pollution or contaminants
                                                  1. Water
                                                    1. Groundwater polluted by
                                                      1. Contaminants seeping through the soil and sediment above it
                                                        1. Industrial practices
                                                          1. Waste materials disposed incorrectly
                                                            1. Surfacewater polluted by
                                                              1. Pollutants released directly into the water
                                                                1. Runoff from the ground
                                                                2. Soil
                                                                  1. Use of certain fertilizers and pesticides
                                                                    1. Industrial activity
                                                                      1. Chemical spills
                                                                        1. Types of soil
                                                                          1. Sediment
                                                                            1. Subsoil
                                                                              1. Topsoil
                                                                          2. Types
                                                                            1. In-Situ
                                                                              1. Ex-Situ
                                                                              2. Technologies and methods
                                                                                1. Depend on the type, the extent of the pollution and the place.
                                                                                  1. Site assesesment and mapping
                                                                                    1. To determinate
                                                                                      1. Types of contaminants and its location
                                                                                        1. Technologies to implement
                                                                                          1. Any potential hazards to the workers
                                                                                            1. Environmental impact
                                                                                              1. Pollution impact on the local comunity
                                                                                                1. Potential costs and needed resources
                                                                                                  1. Overall size
                                                                                                  2. Soil vapor extraxtion
                                                                                                    1. Purifies the soil and groundwater at the same time
                                                                                                      1. Air or steam is injected into the ground by a system of blowers and injection wells.
                                                                                                        1. The vapors are then extracted and treated as necessary.
                                                                                                          1. Is used to treat a variety of contaminants, especially petroleum products.
                                                                                                        2. Oxidation
                                                                                                          1. Use strong oxidants, which increase oxygen content of the soil or ground water
                                                                                                            1. Chemical oxidant such as hydrogen peroxide is pumped into the ground
                                                                                                                1. Enhancing the growth and other microbes, which help to break down certain types of chemical pollution.
                                                                                                              1. Stabilization
                                                                                                                1. Uses materials that react chemically with contaminants
                                                                                                                  1. Alter the makeup of the contaminant
                                                                                                                    1. Make it either less hazardous, easier to contain or remove by binding with contaminants and preventing their spread
                                                                                                                      1. Is often used on sites that are contaminated with heavy metals such as arsenic and mercury
                                                                                                                    2. Solidification
                                                                                                                      1. Adding materials to a site that bind to certain contaminant
                                                                                                                        1. Doesn't remove the contaminants from the environment,
                                                                                                                          1. Prevents the contamination from spreading to a wider area or from potentially contaminating groundwater.
                                                                                                                          2. Pump and treat
                                                                                                                            1. Involves
                                                                                                                              1. Pumping contaminated groundwater out of the ground and purifying it before returning it to the ground
                                                                                                                                1. Through
                                                                                                                                  1. Activated carbon
                                                                                                                                    1. Various types of filters
                                                                                                                                      1. Biological agents
                                                                                                                                        1. Air stripping
                                                                                                                                  2. Excavation and dredging
                                                                                                                                    1. Removing contaminated soil or other material from a site
                                                                                                                                      1. Hauling the soil away and replacing it with uncontaminated soil
                                                                                                                                        1. Aeration
                                                                                                                                          1. Circulation of air through a substance
                                                                                                                                            1. Bioremediation
                                                                                                                                              1. Use of microorganisms to remove pollutants from the soil or water
                                                                                                                                                1. May be fungi, bacteria or certain plant species
                                                                                                                                                  1. Less costs
                                                                                                                                                    1. Takes more time to fully decontaminate a site
                                                                                                                                                    2. Dredging
                                                                                                                                                      1. Is the removal of underwater sediments
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