water treatment & waste management gimnazjum nr 1 im.t.kościuszki w zawierciu
TRANSCRIPT
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WATER TREATMENT &
WASTE MANAGEMENT
Gimnazjum nr 1 im.T.Kościuszki w Zawierciu
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Household waste
•plastic,
•paper,
• glass,
•metal,
•organic waste,
• chemicals.
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Biodegradable waste: food and kitchen waste, green waste, paper (can
also be recycled).
Recyclable materials: paper, glass, bottles, cans,
metals, certain plastics, fabrics, clothes, batteries
etc.
Inert waste: construction and demolition waste,
rocks, debris.
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The question is: what can we do???
We can:
REDUCE,
REUSE,
RECYCLE.
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What is the best way to dispose of waste?
•Waste incineration is the method of neutralising municipal solid waste; (energy is gain in this
process)
•For many years domestic waste is incinerated in
company - MEDIEN PARTNER RECYKLING in
Poland
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COMPOSTING
•Composting of municipal solid waste is the method
of organic matter recovery.
•Compost is organic matter that has been decomposed and recycled as a fertilizer.
Compost can be rich in nutrients and it’s a key ingredient in organic
farming.
It is usually used in gardens.
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RECYCLING
Recycling is a process of:
•changing materials (waste) into new products to
prevent waste of potentially useful
materials,
• reducing energy usage,
• reducing air pollution (from incineration) and
water pollution (from land filling)
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WASTE SORTING
Waste sorting is the process by which waste is separated into different
elements .
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colourful glass, jars, bottles and glass packaging.
Paper, newspapers, notebooks, paper bags, carboard.
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glass bottles, cosmetic packaging.
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WILD waste dumps
Wild waste dumps
come into being in the forestes and near our
rivers and cause dangerous water and soil
contamination.
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Wild waste dump is the source of:
• dangerous soil pollution,
• water contamination,
• epidemic of dangerous illness
• weak trees condition
• biogases lightening
• emision of CO2, NH4, H2S
• ecosystems disturbing
•destroying the natural environment
• deformation of the ground
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Ecological Campaigns in Zawiercie
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An expansion of Municipal Waste Company in
Zawiercie.
The main aim of this project was to reduce the
amount of waste and increase an ecological
awarness.
Waste sorting advertisement in Zawiercie.
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ECOLOGICAL CAMPAIGNS IN OUR SCHOOL
• In 2012 our school took part in ecological
competition
„ BATTERIES COLLECTION” – 12th
edition. We won the first prize and were very proud.
Every year we also
„Clean the World”
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ECOLOGICAL CAMPAIGNS IN OUR SCHOOL
• In 2012 our school took part in the ecological competition
„ BATTERIES COLLECTION” – 12th edition. We won the first prize and
were very proud.
Every year we also
„Clean the World”
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Water treatment
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The Sewage Treatment Farm in Zawiercie
The Sewage Treatment Farm in Zawiercie was built at the turn of the 1960s and 1970s, and was
modernized in 1993-1998 and for second time in 2008-2009.
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Its objective is to purify sewage in a process of removing
impurities from wastewater and
household sewage both runoff
(effluents), domestic, commercial and institutional.
It includes mechanical and biological processes to remove
chemical and biological contaminants.
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During the first mechanical treatment process of
filtration constant pieces and sediments are
removed by using all kinds of bars and sieves.
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Biological treatment process is based on nitrification and denitrification The purpose of this process is to reduce the amount of nitrogen,
phosphate and sediments. After that treated sewage is
discharged to the environment – the Warta River.
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In this technological process two kinds of sediments come
into being, then they are treated in the process of fermentation in a closed
fermentation tank. The final product of this process is
biogas that can be used as a fuel, for any heating purpose.
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Our trip to the sewage treatment farm
In May our guests from Spain, Malta, Tukey, Slovenia, Italy, Portugal, France, Romania
and pupils from our school visited The Sewage Treatment Farm.
We could learn about biological and mechanical
processes of puryfing water.
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What’s your choice?
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The end