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  • PD Bezatlikumu tehnoloģija dabas resursu taupīšanā, vides tehnoloģijas (optimālais līmenis)

     

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ID number:518379
 
Evaluation:
Published: 12.11.2022.
Language: Latvian
Level: Secondary school
Literature: n/a
References: Used
Extract

Virszemes un gruntsūdeņu piesārņojums un augsnes piesārņojums ar rūgšanas atliekām.
Tāpat, ražojot etanolu no kartupeļiem, izdalās CO2, kas ir siltumnīcas efekta dzinējspēks.

Etanolu iespējams arī iegūt, izmantojot sintētisko metodi – dabasgāzes sastāvdaļas etēna katalītisko hidratēšanu ar ūdens tvaiku, kuru apraksta reakcijas vienādojums
H2C=CH2 (gāze) + HOH (gāze) <=> H3C–CH2–OH (gāze) + 46 kJ…

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