RL.08.2 Evaluating the degree of environmental pollution
RL.09.2 Planning and carrying out works regarding atmospheric air protection
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Water purification systems
1. Film in the standard version.
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2. Film with subtitles.
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3. Film with subtitles and pauses. Listen and repeat after the speaker.
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4. Film with subtitles and narration.
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classicmobile
Exercise 1
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Exercise 1
classicmobile
Exercise 2
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Solve the exercise. Rozwiąż ćwiczenie.
Solve the exercise. Rozwiąż ćwiczenie.
After watching the film “Water purification systems”, match the words/phrases to form logical expressions. Po obejrzeniu filmu “Systemy uzdatniania wody”, połącz ze sobą słowa/zwroty, aby utworzyć logiczne frazy.
Source: Fundacja na Rzecz Rozwoju Polskiego Rolnictwa / Eduexpert Sp. z o.o., licencja: CC BY 3.0.
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Exercise 2
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Household sewage
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classicmobile
Exercise 3
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Exercise 3
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Treatment of wastewater in treatment plants
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classicmobile
Exercise 4
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Solve the exercise. Rozwiąż ćwiczenie.
Solve the exercise. Rozwiąż ćwiczenie.
After watching the silent animation “Treatment of wastewater in treatment plants”, decide whether the sentences are true or false. Po obejrzeniu animacji bez dźwięku „Oczyszczanie ścieków w oczyszczalni” ustosunkuj się do zdań umieszczonych w ćwiczeniu, podejmując decyzję, czy to prawda czy fałsz.
Prawda
Fałsz
The processing of sewage sludge is carried out in sewage treatment plants.
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Screenings, in other words the biggest pollutants, are stopped in the primary settling tank.
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The sand from the sewage is stopped in the sand separator.
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In the primary settling tank, as a result of the sedimentation process, the organic suspensions that easily fall out are separated from the sewage.
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The microorganisms in the bioreactors remove compounds of carbon, nitrogen and phosphorus.
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The sludge is concentrated in the secondary settling tank.
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Anaerobic fermentation takes place in fermentation chambers and results in the decomposition of inorganic compounds.
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Fermented and degassed sludge goes to the averaging tanks, where it is dewatered on belt presses in order to obtain dry mass. The mass then goes to the thermal station for sludge drying.
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Source: Fundacja na Rzecz Rozwoju Polskiego Rolnictwa / Eduexpert Sp. z o.o., licencja: CC BY 3.0.
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Exercise 4
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Types of sewage
The hypertext material is a part of a guide on wastewater management.
Hipertekst stanowi fragment poradnika dotyczącego gospodarki ściekowej.
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●Sewagem3b5d38c1f6d0cc87_1497279637332_0Sewageis used liquids, suspensions, colloids, solutions and waste solids. They are discharged via pipelines to natural receivers, in other words watercourses, tanks, septic pits, etc. Industrial waste, food waste and faecesm3b5d38c1f6d0cc87_1497279718401_0faeces from urban and residential households are discharged in the form of sewage. ● Household wastewaterm3b5d38c1f6d0cc87_1497279733582_0Household wastewater is created from water used in households to maintain personal hygiene, flush sanitary facilities, prepare meals, etc. This wastewater is divided into grey waterm3b5d38c1f6d0cc87_1497279738479_0grey water, in other words a drain from all household appliances, except from toilets, with low bacteriological contamination, and black water (the outflow from toilets contaminated with a significant amount of pathogens). ● Industrial sewagem3b5d38c1f6d0cc87_1497279743621_0Industrial sewage usually contains various chemical compoundsm3b5d38c1f6d0cc87_1497279748379_0chemical compounds that are a by‑product of technological processes used in industrial plants. ● Agricultural wastewaterm3b5d38c1f6d0cc87_1497279762480_0Agricultural wastewater is formed from water flowing from fields and farms, usually containing fertilizersm3b5d38c1f6d0cc87_1497279767416_0fertilizers, pesticidesm3b5d38c1f6d0cc87_1497279772536_0pesticides and microbial contamination. Slurrym3b5d38c1f6d0cc87_1497279777622_0Slurry is particularly dangerous. It can contain thousands of times more organic and inorganic contaminants than household sewage. ●Rainwaterm3b5d38c1f6d0cc87_1497279782995_0Rainwateris wastewater that arises from atmospheric precipitation washing away built‑up areas. It contains large amounts of organic and inorganic impurities, many in the form of suspensions. ● Heated waterm3b5d38c1f6d0cc87_1497279787842_0Heated water is created in technological processes cooled with water. ● Municipal sewagem3b5d38c1f6d0cc87_1497279793098_0Municipal sewageis wastewater located in the municipal sewage system, regardless of its source (household, industrial, rainwater, snowmelt or a mixture of the just mentioned).
classicmobile
Exercise 5
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Exercise 5
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ścieki
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fekalia
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ścieki bytowo‑gospodarcze
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szara woda
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ścieki przemysłowe
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ścieki przemysłowe
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ścieki rolnicze
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nawóz
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pestycyd
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gnojowica
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woda opadowa
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woda podgrzana
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ścieki komunalne
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Water intake protection
The hypertext presents the decision of the regional director for environmental protection regarding the establishment of sanitary protection zones for water intakes and sources to ensure the appropriate quality of water captured for water supply purposes and to ensure the protection of water resources.
Hipertekst przedstawia decyzję regionalnego dyrektora ochrony środowiska w sprawie ustanowienia stref ochrony sanitarnej ujęć i źródeł wody w celu zapewnienia odpowiedniej jakości wody ujmowanej na cele wodociągowe oraz ochrony zasobów wodnych.
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Regional Director for Environmental Protection
Decision on the indirect and direct protection zone for water intake.
On the basis of the „Water Law” act, and the design documentation of the water supply network, in order to ensure the appropriate quality of water captured for water supply purposes, and due to the fact of water protectionm3b5d38c1f6d0cc87_1497292341857_0water protection,
I decide
to grant permission for the designation of an indirect and direct protection zone for water intake. As a result, the area will be subject to prohibitions and limitations in the use of the soil and water.
Additionally,
The areas of direct protection will include part of the water reservoirm3b5d38c1f6d0cc87_1497292338305_0water reservoirat the water intake point, facilities and equipment related directly to water intake, part of the area adjacent to these facilities and objects. Within the zone, the land may be used only for purposes related to the operation of water treatment equipment.
The range and boundary of the protection zone for surface water intakesm3b5d38c1f6d0cc87_1497292330786_0surface water intakes and sourcesm3b5d38c1f6d0cc87_1533639485954_0sources should take into account the type of the water source surface, the shape, size and nature of thecatchmentm3b5d38c1f6d0cc87_1497292326285_0catchment, data on underground and ***surface runoff,***m3b5d38c1f6d0cc87_1497292312053_0***surface runoff,*** data on water levelsm3b5d38c1f6d0cc87_1497292307534_0water levels and their fluctuations, physical and chemical characteristics of water, and sources of water pollution.
The range of the indirect protection zone for the need of surface water intakes is to be adapted to the hydrological characteristics of the water source, and the ability of the water to self‑purifym3b5d38c1f6d0cc87_1497292302003_0self‑purify.
The area of the underground waterm3b5d38c1f6d0cc87_1497292294450_0underground water intake zone should include devices related to water intake, and a strip of land of specific widths: 8‑10m fordrilled wellsm3b5d38c1f6d0cc87_1497292283746_0drilled wells, 10‑15m for dug wellsm3b5d38c1f6d0cc87_1497292278430_0dug wells, and 10‑20 m for natural intakem3b5d38c1f6d0cc87_1497292272551_0natural intake of groundwater.
The abovementioned decision may be appealed against to the Local Government Appeal Court within 14 days.
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ochrona wód
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zbiornik wody
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classicmobile
Exercise 6
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Solve the exercise. Rozwiąż ćwiczenie.
Solve the exercise. Rozwiąż ćwiczenie.
After familiarizing yourself with the hypertext “Water intake protection”, match the Polish phrases with their English equivalents. Po zapoznaniu się z hipertekstem „Ochrona ujęć wody”, połącz polskie terminy z ich angielskimi odpowiednikami.
surface water intake, drilled well, water protection, surface runoff, water reservoir, underground water, catchment, water self-purification, water level, natural intake
ochrona wód
zbiornik wody
powierzchniowe ujęcie wody
zlewnia
spływ powierzchniowy
stan wody
samooczyszczanie wody
woda podziemna
studnia wiercona
ujęcie naturalne
Source: Fundacja na Rzecz Rozwoju Polskiego Rolnictwa / Eduexpert Sp. z o.o., licencja: CC BY 3.0.
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Exercise 6
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powierzchniowe ujęcie wody
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zlewnia
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spływ powierzchniowy
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stan wody
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samooczyszczanie wody
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woda podziemna
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studnia wiercona
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studnia kopana
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ujęcie naturalne
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powierzchniowe źródło wody
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Water treatment
The hypertext material presents a fragment of an interview with an employee of a wastewater treatment plant. The conversation concerns the methods and technical aspects of wastewater treatment.
Hipertekst przedstawia fragment wywiadu z pracownikiem oczyszczalni ścieków. Rozmowa dotyczy sposobów i technicznych aspektów oczyszczania ścieków.
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Journalist: Welcome back. Today we are visiting the local sewage treatment plant. We have already talked about removing mechanical impurities from the water, but I still have some questions. What are these flocculent depositsm3b5d38c1f6d0cc87_1497302764422_0deposits and layers of pure liquid above them?
Treatment plant employee: Those deposits are created in thecoagulationm3b5d38c1f6d0cc87_1497302754287_0coagulationprocess. We use chemicals which arecoagulantsm3b5d38c1f6d0cc87_1497302748645_0coagulants, for example iron salts, aluminum sulfate (VI). They produce a gelatinoussuspensionm3b5d38c1f6d0cc87_1497302736917_0suspensionin the water that adheres to fine suspensions, which are easilysedimentedm3b5d38c1f6d0cc87_1497302733680_0sedimentedas heavy flocs.
Journalist: What devices are used for this?
Treatment plant employee:Dispensersm3b5d38c1f6d0cc87_1497302728712_0Dispensers,mixersm3b5d38c1f6d0cc87_1497302618223_0mixers,reaction chambersm3b5d38c1f6d0cc87_1497302614191_0reaction chambers,clarifiersm3b5d38c1f6d0cc87_1497302609415_0clarifiers. They are devices used to prepare the coagulant. They constitute the technological sequence of the coagulation process.
Journalist: Is the water already purified after this process?
Treatment plant employee: No. Further purification takes place using slow, fast or super‑fastfiltersm3b5d38c1f6d0cc87_1497302603612_0filters.
Journalist: I understand. You mentioned that over‑normative amounts of manganese and iron in purified water are a quality problem of water. How do you deal with this?
Treatment plant employee: There is a process associated with the removal of the excessive amount of iron from water. It includes the use of open or closediron removersm3b5d38c1f6d0cc87_1497302598187_0iron removers. During the softening of water, the compounds that cause water hardness are removed. We use devices for chemical water softening and exchanger systems for theexchange of ionsm3b5d38c1f6d0cc87_1497302589553_0exchange of ionswhich cause water hardness.
Journalist: Is this water that you can drink?
Treatment plant employee: Treated water isn’t free of bacteria. We subject such water todisinfectionm3b5d38c1f6d0cc87_1497302944027_0disinfectionprocesses. Most often, disinfection is carried out by chemical methods involving the addition of strong oxidants to the water.
Journalist: Thank you for the information. Time for a short break now, and after the break, we will have the third, and last part of our conversation.
classicmobile
Exercise 7
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Exercise 7
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osad
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koagulacja
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koagulant
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zawiesina
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sedymentacja
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dozownik
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mieszalnik
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komora reakcji
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klarownik
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filtr
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odżelaziacz
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wymiana jonów
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dezynfekcja
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Gallery
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classicmobile
Exercise 8
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Solve the exercise. Rozwiąż ćwiczenie.
Solve the exercise. Rozwiąż ćwiczenie.
From the word bank, choose the words and phrases that are needed to describe photo no. 1 “Treatment station for well water”. Z banku słów wybierz słowa i zwroty, które są potrzebne do opisania rysunku nr 1 „Stacja uzdatniania wody ze studni”.
brine tank, hydrophore, submersible pump, manganese remover, mechanical filter, septic tank, connection chamber, drainage with a sand filter, house drain, drainage
TRUE
FALSE
Source: Fundacja na Rzecz Rozwoju Polskiego Rolnictwa / Eduexpert Sp. z o.o., licencja: CC BY 3.0.