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2.5 Emptying the liquid tank
Empty the liquid tank, if necessary. The emptying intervals are de-
termined by the size of the liquid tank and by how often the toilet is
being used. One person produces 1-1,5 litres of liquid daily.
Utilise the liquid that is rich in nutrients, in particular nitrogen, as
fertiliser in the yard and garden. Although urine is sterile, it is recom-
mended to keep it in storage for about three months before using it
in the garden.
You can use a small amount of undiluted liquid as a source of nitro-
gen for the garden compost and for the compost of separated toilet
waste. Optionally, you can take the liquid to the wastewater treat-
ment plant. More about the utilisation of urine on page EN-5.
2.6 Cleaning the Separating Dry Toilet
Wash and clean the Separating Dry Toilet, as necessary. Any com-
monly available domestic cleaning agents may be used. You can
disassemble the parts of the toilet to enable proper cleaning of the
unit. Wash the liquid bowl in the top, the liquid funnel (part 17) and
the drain pipe (part 16) with warm water and mild detergent or crys-
tallised sodium at least once a year to remove any precipitate that
the urine may have formed.
3. Problems that may occur
3.1 Odours and moisture
No odour problems occur in the Separating Dry Toilet provided that
it is installed and used in the correct manner. If odour problems oc-
cur, check that:
• there is no liquid on the bottom of the toilet tank (part 1). If liq-
uid exists, check the removal hose connection for tightness and
wash the tank to eliminate the odour. Make sure that the fore-
most inner receptacle is correctly positioned against the rim of
the separating bowl.
• make sure that the ventilation pipe leading from the toilet unit
to the roof, is straight and extends above the roof ridge. If the
ventilation pipe is not straight or does not extend above the roof
ridge, you can repair the installation or improve the ventilation by
installing a separate Biolan Exhaust Ventilator or a Biolan Wind
Fan (see Accessories on page EN-6).
• the hose leading to the liquid canister extends to the bottom of
the canister. This ensures that the surface of the liquid in the
ani e o
a
ain a in he ho e,
the canister towards the liquid bowl.
• the waste in the inner receptacles is always covered with Biolan
Compost and Toilet Bulking Material or Biolan Peat.
3.2 Insects
In e
o no no
ally e i in he e a a in
for example, appear in the toilet unit, empty both receptacles into a
o
o an
hen wa h he . o away wi h any yin in e
toilet space, using pyrethrin-based spray. Consult your local garden
centre to select a suitable product.
Also check that:
• the waste in the inner receptacles is always covered with Biolan
Compost and Toilet Bulking Material.
• the ventilation pipe leading from the toilet unit to the roof, goes
straight up and extends above the roof ridge. If the ventilation
pipe does not go straight up or does not extend above the roof
ridge, repair the installation or improve the ventilation by install-
ing a separate Biolan Exhaust Ventilator or a Biolan Wind Fan
(see Accessories on page EN-6).
4. Composting the toilet waste
Waste emptied from the Separating Dry Toilet always requires
composting before it can be utilised. You can compost the toilet
waste together with garden waste and domestic bio-waste. While
composting, make sure to observe the local regulations on waste
han lin , an
on i e
fi ien
wells and nearby bodies of water.
Organise the composting so that no liquids seep from the compost
into the soil. The Biolan Garden Composter or the Biolan Stone
Composter (see Accessories on page 8) is well-suited to the pur-
pose. For hygienic reasons, compost the toilet waste for at least a
year before applying it to edible plants. Composting for half a year is
fi ien be o e a
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the ground is prohibited.
even in ai - ow o
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i ie ,
in he
o e ive i an e o nei hbo
The micro-organisms in the compost decompose organic matter un-
der aerobic conditions. After the composting has continued for 1–3
years the result will be compost soil.
To en
e ha he o
the waste-decomposing micro-organisms with favourable living con-
ditions. The basic requirements for compost are the presence of
oxygen, moisture and nutrients.
The micro-organisms in the compost require moist conditions, so
the compost must be suitably moist, but not wet. The solid waste
from the Separating Dry Toilet is relatively dry and also poor in ni-
trogen compared with the Dry Toilet where urine and solid matter
are placed into the same tank. Therefore, dampen the compost with
water, or with separated urine which provides the compost with a
good source of nitrogen supplement.
To en
e ha he o
material or branch chaff in layers among the waste. Compost that is
too tightly packed or too wet is anaerobic and starts to rot and smell.
Cover the surface of the compost carefully with bulking material,
garden waste or peat after the addition of toilet waste or liquid. Turn
the compost at least once during the summer to ensure that all
the ingredients of the compost decompose properly. Toilet waste,
composted with care, makes excellent soil conditioner for perennial
plants, shrubs, trees and a vegetable plot.
5. Utilisation of liquid
Separated liquid can be utilised as nitrogen fertiliser or diluted with
water, for example, for lawns, ornamental bushes and perennial
plants. In the spring, in connection with the initial fertilisation, it can
also be used for a vegetable plot but during the growing season it
must not be applied to green vegetables. The recommended stor-
age time for urine is about three months before it should be used in
the garden. Do not apply urine to plants in the autumn, in order to
avoid disturbing the perennials' preparation for winter.
A safe dilution ratio for urine is 1:5, which means one litre is diluted
wi h five li e o wa e . o
you must water the area carefully after the application to avoid early
blight. Carry out the application when it is cloudy, either early in the
morning or late in the evening, when evaporation of nitrogen and
the odour-related problems are at a minimum. During the growing
season you can apply 1-1,5 l/m² of undiluted urine in your home
garden.
Please consult your local waste advisor for regulations on compost-
in . Vi i www.biolan.fi o
utilisation of urine.
Do not allow liquids that are rich in nutrients to enter
the soil, as these cause an excessively concentrated
nutrient load.
6. Disposal of the product
The raw materials used are presented in the list (see page 4) Dis-
pose of each part as prescribed. Always follow the regional and
olle in - oin -
e ifi in
PE = polyethylene
to energy-from-waste process or recycling of plastic
02
PE-HD
PP = polypropylene
to energy-from-waste process or recycling of plastic
05
PP
,
RST = stainless steel
to recycling of metal
Paper
to recycling of paper
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o ible,
o
i
fi ien ly ai y,
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an al o
e n il e
ine, b
o e in o
a ion on o
o in an
ion .
ovi e
hen
EN
EN
he
EN-5
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