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Chemicals and toxic waste

Chemicals and toxic waste. Introduction I ) What are toxic waste and what are chemicals 1) Where do they come from ? 2) What does toxic waste contain ? 3) What’s radioactivity ? II ) Consequences on the environment III ) Solutions to reduce toxic waste 1) Select and recycling

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Chemicals and toxic waste

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  1. Chemicals and toxic waste

  2. Introduction I ) What are toxic waste and what are chemicals 1) Where do they come from ? 2) What does toxic waste contain ? 3) What’s radioactivity ? II ) Consequences on the environment III ) Solutions to reduce toxic waste 1) Select and recycling 2) Prevention ! IV ) Our opinion about toxic waste Vocabulary and definition

  3. Human activity produces millions of tons of waste. They are very different : S.I.W : Special Industrial Waste Waste : déchets Yearly : in 365 days

  4. Vital function : ex: respiratory,heart.. A toxic substance causes desorders of vital function. S.I.W come from chemicals, steal metallurgy, smelting works industries. There is : -organic waste -inorganic waste -solid mineral waste Toxic waste can be: -chemicals of laboratory -photographic baths -painting, glues, vernish… Steal metallurgy : Industries de métallurgie Smelting works industries: Industries de fonderies Tar : solvants

  5. HEAVY METAL ARE TOXIC !! • Heavy metals are cadmium, copper, mercury, plumb, arsenic fluorine… Photographic baths : bains photographiques Paintings, vernish, glues:peintures, vernis, colles Cartridges for printers : cartouches d’imprimante Heavy metal : métaux lourds Cyanides: cyanure CN- Sand of foundry: sable defonderie Cyanided salts : sels cyanurés

  6. As Cadmium : Cd Copper : cuivre Cu Mercury : mercure Hg Plumb : plomb Pb Arsenic : arsenic As Fluorine : fluor F Treatements of grapevine : traitements des vignes Intensive pig breeding : élevage intensif de porcs

  7. DIOXINE Cremation of ordinary waste

  8. Improve : améliorer Quote : citer Batteries : piles plumb hose : tuyaux enplomb Radioactivity is transformation of chimical elements in other more frivolous element. Radioactivity => dangerous X-rays => matter become ion

  9. II) Consequences on the environment • Toxic wate => illnesses, asthma, allergies • Poisoning by plumb is saturnism digertive problems and development problems for babys • Poisoning by asbestos is carcinogenic Pregnant woman : femme enceinte Asbestos : amiante carcinogenic : cancérigène

  10. Extract of news paper TIME MAGAZINE. TOXIC WASTE ARE DANGEROUS FOR HUMANS

  11. Look carefully bird’s three heads

  12. Acid floors : sols acides Ground water : nappe phréatique Guenine : véritable Health : santé

  13. Visible pollutions of countryside and city

  14. Butt :1 to 2 years Piles : more than 50 years Can : Until a century Plastic bag : between 100 and 1000 years Packaging aluminium : approximately 200 years Glass : 3000 years

  15. * 32% in recycling matters * 17% in treatment for their elimination * 51 % in garbage • Organic waste are incinerated • Inorganic waste are treated physically • Solid mineral waste are stored in garbage

  16. Marc Medhi Lauriane The End MERCI DE NOUS AVOIR ECOUTER !!

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