sustsan workshop: manual for selection of system for water-waste purification by arvo järvet

Manual for selection of system

for waste-water purification for

country-houses in rural areas

Arvo Järvet

Estonian Water Association.

•Permanent living-hous

•Summerhous (second home)

1. STEP

2. STEP•Latrine

•WC3. STEP

•Latrine with classical collecting tank

•Latrine with separate urine tank

•Grey water into collecting tank

•Grey water to treatment

4. STEP

SPECIAL ATTENTION FOR LOCAL

TREATMENT NATURAL CONDITIONS

•Land use type

•Relief conditions

•Existence of recipient water-body

•Soil and Quaternary sedimets

•Ground water level (Hmin 1,2 m from surface)

•Ground water sensitivy at pollution risk

Collecting tanks

Collecting tank and individual treatment plant

Collecting tank + irrigation in summer and

individual treatment plant

All waste-waters into collecting tank, but

suspended partricles partly to composting

Separated black and grey water

All waste-waters together into collecting tank

Septic tank + filter for phosphorous removal

Septic tank + filter for phosphorous removal

combined in one tank

Septic tank + dosing device for phosphorous

removal combined in one tank

Septic tank + filter system

Septic tank + filter system in high groundwater conditions

Activated sludge treatment plant “Bio-fix”

Septic tank + infiltration into the ground

Septic tank + infiltration into the ground in high

groundwater conditions

Septic tank + limestone filter

Septic tank + limestone filter

SADEMEVESI –IGAVENE PROBLEEM

Handbook for

selecting the

technical solution

of systems for

waste-water

purification in rural

areas

Compiled by Arno and

Terje Ilves.

Edited by prof Alex

Maastik.

Coordinator: Arvo

Järvet

Aitäh kuulamast ja kaasamõtlemast

ning sisukat arutelu soovides

ma lõpetan

Thank you for your attention and welcom to

Estonia!