Uganda&Visit&Brief& Visited&from&19 th & &24 th &January&2014&by&Samuel&Wanderi&and&Steve&Kariithi& TEWDI!

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Audra Small
5 years ago
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1 UgandaVisitBrief Visitedfrom19 th 24 th January2014bySamuelWanderiandSteveKariithi TEWDI Our first site visit was to TEWDI in Soroti, Eastern Uganda. TEWDI engages in briquette productionasoneofher income generating projects. Besides briquttes they also design and produce enery saving cook stoves. We spent two days there with the TEWDI production team and a group of MIT students who were assisting them improve their production process and capacity. They currently make briquettes using husks from groundnuts which they mix with charcoal dust. There current production capacity is at about 500 kgs per day. They engage a production team of about 6 people. The whole production process from carbonizing to drying and packing happens on one site. There primaryclientsincludeschoolsandlocaldomesticusers. Keytakeaways They started small and grew improving their techniques and production levels throughtrial,learningandfeedbackfromclients Theystartedwithbasicmanualprocesses(whichtheystillapply)buthavebeing adaptinglocallyavailablemachinerytoimproveefficiencyandcapacity. GreenBioEnergy The second visit was to Green Bio Energy offices and production site both located in Kampala but about an 45 minutes apart. Green Bio makes briquettes from carbonized bananapeelsmixedwithcharcoaldust.greenbiocurrentlyproducesatabout1.2tonnes adayasdictatedbythemarketthoughtheyhavethecapacitytoproduceat2tonnesper day.theirtargetmarketconsistsoflowrincomedomesticusers,middleandhighrincome domestic users andinstitutions.their briquettes are produced, packaged and priced accordingly. Theirproductionmodelconsistoftrainingandpurchasingcarbonizedbananapeelsfrom their trainees and then mixing with charcoal dust, binding, pressing, drying and packing attheirproductionsite.theirsiteemploysabout6fulltimeemployees.theyalsomake energy saving cooking stoves and have now begun to sell fabricated manual and automaticpressingmachines. Keytakeways They insist that through their experience it is very difficult to set up a profitable briquetting business without using charcoal dust in addition to the carbonized greenwaste.thoughtheyrecognizethisisnotsustainableinthefuture. Their greatest challenge remains in getting people to adopt use of briquettes and theyhavethusinvestedalotinmarketing. 1

2 1. MaterialBeforecarbonization 2.Thegroundhusksandsawdustpouredintokilnforcarbonizing 2

3 3. Litkiln 4. Fireputoutaftercarbonization. 3

4 5. Carbonizedgroundnutssieved 6.Groundcharcoaldust 4

5 7.Poshomillmachineconvertedtogrindcharcoaldust 8.Groundcassavamixedwithwatertobeusedasbinder 5

6 9.Groundcassavaboiledinwater 10.Binderpouredoncarbonizedhusksandcharcoaldust 6

7 11.Bindermixedin 12.Toensurebindergetswellabsorbedtheyfurthermixwithhands 7

8 13.Mixturewithbinderpouredintoextruderconvertedfromameatmincer 14.Briquettesputouttodry 8

9 15.Proposednewdryingspace 9

10 SummarizedreportdetailsbySamuel Soroti Theproduction UsingcarbonizedGroundnutsmixedwithgroundcharcoaldustintheratioof1:1.They usecassavaasabinderwhichispreparedbyboilinginwateratratioof1:10respectively. Thebinderismixedwiththedustattheratioof1kgcassava+10litreswaterto3bagsof dust. It is thoroughly mixed and then pressed in a fabricated machine modified from a meatmincerunefficientlybydiesel.theyproduceabout12bagsofdusteveryday. Theyarealsoproducingenergysavingstovesandtheyalsoproducingmushrooms. Theirchallenges Carbonization processr their kiln takes minimum of three hours to carbonize about 10 Kgs.Theyhavefivekilnsproducingabout50Kgperday. Mixingwithabinder TheeMITishelpingbuildalargemixer Drying it has been a problem but with the help from MIT they may result to using a greenhouseanddryingboxes. Lessons Usewhatyouhavetosolveyourproblems Don tignorethecustomerintheneighborhood Diversifytheproducts. GreenbioEnergy They are large producers of briquettes averaging at about 1.2 T per day in production. They use carbonized banana peels (20%) mixed with ground charcoal dust. They have masteredtheartofoutsourcingthecarbonizedpeeldustfromfarmershencetheydon t do any carbonization. They have a diversified market mix which includes: Briquettes, machinery,energysavingstoves,trainingandconsultancy. They also have diesel powered machines which consume about 7litres daily. They have mastered the art of drying using greenhouse technology. Their marketing model, they haveusedretailerstoretailtheirbriquettestohouseholdswhoconsumesabout60%of theirproduct.theremaining40%iscleanlypackedandsoldtothehighendmarket. Theyarealsohopingtogotoothertownsandalsooutsidethecountry. Lessons Diversifytheproductstoincreasetheincomeflow Sensitizationofproducttoconsumersisnecessary Withthetargetmarketyoumustpackageappropriately 10

CHARCOAL BRIQUETTING WHAT, WHY, HOW

CHARCOAL BRIQUETTING WHAT, WHY, HOW STATISTICS 2 billion number of people who uses wood, charcoal and agricultural waste for their energy needs 1.6 million number of deaths caused by respiratory infections