Most of the biogas household use the regular CNG stoves for cooking. CNG stoves are made to run on pure methane and under a fixed pressure. Biogas plants of the fixed dome model is not supplied under uniform pressure. Biogas on the other hand is only 50 to 60% methane as compared to 100% in CNG. This require the biogas stove to have different specification to be as efficient. In 2011 Pakistan Domestic
Biogas Programme provided training on manufacturing of a biogas stove to four
persons: two each from Faisalabad and Sargodha districts from the Province of
Punjab. The objective of organising such training was twofold:
1. Make available an appropriate biogas stove that are locally available
for households who have installed biogas plants.
In the project area most biogas households
install the natural gas stove that still works with biogas but not as
efficiently as it should. This particular stove requires some adjustments
before it can be properly used. The households are not aware of or often ignore
making the required adjustments thereby forfeiting the efficient use of biogas.
2. Make available an opportunity for employment to enterprising individuals.
For individuals or small enterprises this skill
will provide an opportunity to add to their product range an additional but
profitable and marketable item. This will help them run their enterprise more
profitably and also generate other spin off employment opportunities for
example to those who cast the burners and to those who manufacture the stove
body frame.
Adnan
is a young man who participated in the training. He owns a small lathe workshop
in Sargodha City in Punjab Province where he mainly carried out metal
fabrication required for repairing various equipment. He directly employs two
persons in his workshop. After the training he started manufacturing the biogas
stove on top of his regular work. Gradually the stoves have started to get
popular and are the main source of income for the workshop. Starting from
selling one or two stoves a month a year
ago, he now regularly sells at least 12 in a week and the demand is increasing
as orders are not only coming from his district but also from adjoining
districts. Manufacturing biogas stoves has now become his main activity
although he is also continuing his other works. He anticipates that as the
households keep on realizing the benefit of using a biogas stove instead of the
regular natural gas stoves, demand for his stove will still rise
He gets the burner
cast elsewhere as per the required specification and carries out the finishing
works in his workshop. He also orders the body of the stove made elsewhere
according to required specifications. He assembles the burner at his workshop. In
this manner he is helping to increase the spread of the employment opportunities
linked to the stove manufacturing.
At present his main
clients are the Biogas Construction Companies (BCC) who help sell the stoves to
the households, making a small profit during this transaction. The main reasons
the BCCs are promoting his stoves are not for the small profit that they make
but for the associated benefits. They get fewer complaints about functioning of
the biogas plants from households who have installed the biogas stoves which
saves them from making repeated and expensive trips to their clients for
helping out on repairs.
Adnan is now in a
lookout for interested retailers in districts who can stock his stoves in bulk
and from whom households or the BCCs may buy directly.
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Adnan with his biogas stoves |
Mehboob is one of the constructer of biogas installations in Sargodha district. He motivates households to buy the biogas stove. He has a special way of doing this. Even when a household says that they will use the regular CNG stove (already have one, is cheaper) he leaves a biogas stove and encourages them to try it out. He promises that he will take it back if they do not want it when he makes a follow up visit. Most of the times, once the household tries the biogas stove it is sold. He started promoting biogas stoves after encountering continued problem of foul smell in the kitchen of a household where he had installed a biogas plant. His many attempts to address this problem did not work until after
he changed the stove into a biogas stove.
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Mehboob |