Pollution Flashcards
Pyrolysis
Plastic burn w/o oxygen
Fuel adulteration
Kerosine in petrol
Burning crop residue is crime under
IPC and Air & Pollution control act 1981
Conditions for ozone depletion
Low temperature
Noise pollution regulated under
Noise pollution rules / EPA 1986
Primary Pollutant
DDT, plastic, CO, CO2, NOX, SO
Major Air pollutants
Particulate matter
Fly ash
Nano particles
Black carbon
Carbon monoxide
Carbon dioxide
Ozone
Ozone depleting substances
Nitrogen oxide (NOx)
Sulphur dioxide (SO2)
Volatile organic compounds
Benzene
Benzene pollutants
Minor Air Pollutants
Lead
Ammonia (NH3)
Asbestos
Pollen
Radon
Asbestos
Carcinogenic mineral
EM wave spectrum
Gaddi XUV In My Range
Ionising Radiation
Short Wavelength -> UV, X-rays, gamma a. Power order-> Gamma>Beta>Alpha
Beta rays is radiation of
Electron that is from a decayed neutron is an unstable nucleus
NOx and VOC mix to give
Photochemical Smog
Acid rain formation
Rain SOx, NOx -> HNO3 -> Acid Rain
Pyrite
Sulphide Ore
Sphalerite
Sulphide Ore
cinnabar
Sulphide Ore
Top country in emitting of Sulphur dioxide (SO2) aka Black Carbon (Soot)
India
Ground Level Ozone
Benzene
Chemicals that evaporate quickly @ room temp
Volatile organic compounds (VOCs)
Toluene
Benzene Pollutants
Xylene
Benzene Pollutant
Styrene
Benzene Pollutant
Anti-knock agent in petrol
Lead
Rain in troposphere(80%), Engine, Ironsmelting
Carbon Monoxide (CO) source
VOC + CO/NOX = O3
Ozone (O3) formation @ ground level
Ozone Depleting Substance(ODS)
Chlorine & Bromine contain( CFCs, HCFCs, HBFCs, Halogen)
X contain x ODS (HFCs)
Cloud Seeding
Spray dry ice or Silver Iodide
Asian Tropopause Aerosol Layer (ATAL)
Aerosols clouds -> Decreases Rainfall
Smog
NOX + VOC + O2 + UV –> O3(bad), PAN, oxidants like OH
Electrostatic Precipitators (ESP)
Removes PM from Exhaust
Coal Gasification
Convert Coal into Syn Gas a. Syn Gas-> CO +H2
Catalytic Converter
Reduces emissions
Scrubbers
Remove aerosols from gases
Chemical Oxygen Demand (COD)-
Amount of oxygen required to become organic & In-organic both
Lead, nickel, chromium, cadmium, copper
Industrial waste, causing water pollution
‘Terror of Bengal-
Water hyacinth - Invasive Aquatic Species
Amazon native weed
Invasive Aquatic Species
Forked Fanwort
Invasive Aquatic Species
Coliforms bacteria
Pollution in River Ganga
Bregoli
Solution of Oil spill
Prochlorococcus
Plastic pollution-> ocean’s most abundant cyanobacteria
hypoxic zones
Dead zones occur 200-800 mts below the surface
Eutrophication
-> Algal Bloom
International Seabed Authority (ISA)
Regulates mineral activities in international seabed areas
International Maritime Organization (IMO):
a. Sets global standards for safety, security, and environmental performance in shipping. b. HQ: UK
Convention on Dumping of Wastes at Sea
London Convention Adopted in 1972
Dioxin
Highly carcinogenic toxin Plastic Waste
Bisphenol A
Diabetes, cancer
Banned Plastics under - Plastic Waste Management Rules 2021
Polystyrene (thermocol), PVC banners, Plastic packaging
Bagasse
Sugarcane based polythene
Plasma gasification
Waste -> Energy(Syn gas)
Biomining
Extracting metals from from ores using bacteria or Fungi
Waste Minimization Circles (WMC) -
World Bank + MoEF
Composite Waste Management Index: 2.0 -
Released by NITI Aayog
Top state/UT-> Gujarat & Puducherry
Persistent Organic Pollutants (POPs)
DDT,
Endosulfan,
Chlordane,
Endrin,
Heptachlor*
Hexachlorobenzene(fungicide)
Biphenyls(PCB) -
Dioxins [DDT is banned for agricultural use in India]
- Endosulfan - insecticide -> banned under Stockholm Convention
Bio magnify
Successive higher level accumulation of pesticides/pollutants
bio-accumulate
Increase of the percentage of the pollution in an organism
Clostridium botulinum
Toxin during algal bloom