The W4D project collects various waste materials in and around the University of Dschang including paper, sawdust, animal waste, household waste, and plastics. These materials are used to produce bio-briquettes for fuel, biogas, organic manure, and plastic pavements. The project also promotes sustainable agriculture through organic farming, urban farming, charity farming, and future aquaponics. The goal is to provide alternative fuels, reduce pollution, and support local farmers and displaced persons through access to land and resources.

1. WASTE FOR DEVELOPMENT (W4D) PROJECT
WORLD’S EARTH DAY 22ND APRIL 2019

2. 1. Waste Papers and Sawdust
Waste Papers and Sawdust
We collect papers from the University
of Dschang, particularly from the
media centre of the university, from
offices, photocopiers and from thrash
cans around the various classrooms
and amphis.
We also collect papers from
photocopiers and secretariats at the
entrance of the campus and in the
town of Dschang.
Sawdust is obtained from sawmills
around the city center

3. Output
We produce bio-briquettes of 12cm3, using the artisanal machine
we invented. We sell them for 25FCFA per briquette.

4. Outcome
•Reduce burning of waste papers within the
campus and the locality of Dschang. (We target
0% burning by December 2019).
•Reduce the high reliance on wood as the major
source of cooking fuel.

5. 2. Animal and Household Wastes
• We collect animal wastes from our poultry(2000 chicks) and from the
University’s ranch and use in our biodigester.
• Household wastes are collected from 79 registered households, which
we also use alongside the animal wastes collected to produce biogas.

6. Output
• We use the waste to produce biogas through bio-digestion.
• We produce 50 liters, 100 liters and 250 liters of portable biodigesters.
• The Left over slurry is used to produce organic manure in both liquid and
dried form, which is used in our experimental farms.
Organic Manure from slurry

7. Outcomes
•Provide fuel alternatives.
•Provide organic manure as a substitute to
chemical manure.
•Maintain the soil’s PH balance.

8. 3. Plastics
In April 2014, a government ban on non-
biodegradable plastic bags came into effect.
We collect plastics wastes from the locality. Our users uses bulk SMS to alert us.
We also have the Green Cite project, whereby pre-sorting takes place in
hostels, which we give prizes to the best hostels

9. Output
Plastic pavements

10. Outcome
•Building materials obtained from recycled
plastics.
•Students have spices in their rooms in
exchange of plastic bottles.
•Pollution and soil degradation reduced

11. Sustainable Agriculture
• In Cameroon, agriculture represents more than half of the
country non-oil export revenues and employs almost 60
percent of the working population. Ninety percent of
rural households are, in one way or another, employed in
agriculture, and approximately one-third of them earn
their living from export crops.
What we do concretely
• Organic farming
• Urban farming
• Charity farming
• Aquaponics (Coming soon)

12. ORGANIC FARMING:
We own a 5 hectares of
land, where we only
apply the organic
manure obtained from
the biodigester as slurry
left over after
methenization. We
plant three times a year,
mostly food crops.

13. URBAN FARMING: We
encourage vertical or
urban farming around
the locality of Dschang.
We plant spices in used
plastic bottles, which
we share to students
and other beneficiaries
in exchange of used
bottles.

14. • CHARITY FARMING: Because
of the ongoing crisis in
Cameroon, coupled with the
effects of climate change, we
do charity farming by sharing
free farmland to Internally
Displaced Persons (IDPs) who
are registered with us. Each
IDP gets a 20m x 10 m piece
of land for fre. We offer then
free seeds and labour (by
volunteers)

15. •AQUAPONICS: We
shall set up an
aquaponic plant by
September 2019, as a
way of promoting the
blue economy.

16. Poultry
We rear 2000 birds and sell at maturity (As from 38 days old). We
also have a collection of hybrid species, which we mostly keep for
reproduction.
Their droppings are
recycled in the
biodigester to
produced well
refined manure,
which we sell them
to farmers (25kg for
3200FCFA).

17. THANK YOU FOR YOUR
KEEN ATTENTION
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