Solid waste disposal Flashcards
why is management of waste sites important
rain water can seep through waste and then seep through soil poisoning ground water
4 methods to manage dumpsites and how to rehabilitate
- base of clay so groundwater no polluted
- distance away but not too far for transport
- pump off methane for electricity
- underground wells to collect ground water
rehabilitate by compressing and new topsoil and plant for other purposes
purpose of recycling
RRR to lessen pressure on the environment and space for garbage sites
why is nuclear waste dangerous and how to discard?
toxic and cause genetic mutations and cancer
in concrete- 10m underground in isolated areas such as in oceans or desolate dry areas
how does a pit latrine and a septic tank work?
toilet in ground- can cause poor water quality
use septic tanks to collect feces and separate and decompose with chemical enzymes solids and filter to layers of soil to drain into drainage fields
health risk of human feces?
human feces infect water by spreading to rivers and dam if not managed. this causes waterborne diseases such as gonorrhea and diarrhea. also can cause eutrophication