Step by Step biogas plant building

Step by Step Guide to Constructing a Floating Drum Biogas Digester by Plastic 1000 letter and 1500 letter water tank


Constructing a Floating Drum Biogas Digester  you have to tow water tank one is 1000 letter and other is 1500 letter. first of all you cut both tank near top of the tank and put some PVC pipe as outlet and inlet of bio digester and gas pipe  on bottom of the 1000 letter water tank than put animal dung (gobar gas) and leave it for a week if you want to read full story step by step with the help of pictures visit Step by Step Guide to Constructing a Floating Drum Biogas Digester 

Constructing a Floating Drum Biogas Digester Part 4

Constructing a Floating Drum Biogas Digester inlet Part 3

Constructing a Floating Drum Biogas Digester outlet Part 2

Step by Step Guide to Constructing a Floating Drum Biogas Digester Part 1

Read More

Working with biofuels

Working with biofuels

Biofuels are more “sensitive” than conventional petroleum-based fuels. You can store petroleum for years, but biofuels degrade and need to be sold and used within six months of production. If not, the fuel oxidizes, creating corrosive by-products.This is bad news for car engines, especially for injection components vulnerable to acids. Ethanol poses its own problems: the fuel is very attracted to water, so it’s hard to handle
in humid climates like that of West Africa. In order to meet the specification required, the ethanol blending must be done by adding it into a gasoline blendstock (BOB). Micro-organisms can also grow around biofuels,
which means more frequent cleaning of storage tanks; and because biofuels act as solvents, they can dislodge sludge which then blocks pipes and delivery nozzles. Biofuels can also contaminate other fuels, and pose a particular threat to jet fuel used in airplanes. These problems are all soluble, however; and the ARA believe that with good quality management, testing, certification, and monitoring, biofuels could work well in many African countries. Existing service stations are mostly already adequate for storage and consumer sale, and transporting biofuels presents no real problems – apart from the ethanol-water issue. Because it is biologically- based, the hazard from accidental spills is less than from conventional fuels. There
is one known safety issue with FAME – the primary biofuel in biodiesel: fuel-saoked rags may spontaneously combust, and need to be disposed of with care.

Read More

What’s the advantage of biofuels?

What’s the advantage of biofuels?

The promise of biofuels is that they let you have your cake and eat it: to drive cars ithout damaging the environment. The idea is that biofuels are a way to recycle carbon dioxide. CO2 is released when any fuel is
burned. But the carbon stored in petroleum or coal, has been there for thousands of years, so burning these fuels adds CO2 to the air. But biofuels are made from plants, which remove CO2 from the atmosphere as they grow: emissions are balanced by carbon capture. There are other potential bonuses, too. A large biofuels industry might help cut the price of oil, while start-up costs are low and could boost an agricultural economy, creating
jobs.

Read More

Biofuels in Africa

Biofuels in Africa An African Refiners Association guide

Many of the biggest questions facing societies today come down to energy. Is oil running out? Are we destroying our climate with Greenhouse Gases? How can we make enough clean energy to light every home on the planet?
In all this discussion, much has been said about the benefits of biofuels. But is it all hype? Are biofuels an answer to the world’s energy problems? Or are they a distraction? We see biofuels in use in Europe, in Brazil, in the USA. But can they be introduced to Africa, perhaps saving billions of dollars in costs? Or are the technical problems too great?
This Guide, drawn up by the African Refiners Association –the cross-continent association that promotes pan-African cooperation in energy – offers some answers to these and other questions. What are biofuels anyway?
A biofuel is any fuel made from “renewable” resources. “Renewable” just means some-thing that grows – a tree, a plant or an animal. So humankind has been using biofuels for millions of years, in the form of wood,
charcoal, peat or animal dung. But recent advances in chemistry mean it is now possible to make liquid fuels from renewables – substitutes for gasoline or diesel. Up to a point...
Biofuels only work in most of today’s cars and trucks in blended form –mixed with regular fuels – either to make biodiesel (which is 7%biofuel), or to make a gasoline-ethanol mix(up to 25% biofuel), sometimes called “gasohol”. In Brazil, though, they have built cars which can burn 100% ethanol; and car-makers are starting to make “flex-fuel” vehicles, which can burn from 0% to 100% biofuel mixtures. Biofuels seem to be on the up.

There are three main sources today: trees, plants rich in vegetable oils, and sugar and corn which can be made into ethanol. Experiments are ongoing with new plants like jatropha; and with systems that grow hydro-
carbon-rich algae. In future we may make “second generation” liquid biofuels from plant cellulose – even from wood.

Read More