Flexi Biogas

Clean Green  Serene

Simple, Practical, Versatile

Fixing Tomorrow  through teaching our children Today

Our Vision

.... is to preserve the environment by protecting the forests from the menace of charcoal. Introducing Flexi Biogas as an affordable sustainable alternative cooking energy will reduce the demand of wood fuel on tropical rain forests, the only carbon sink and the primary body that encourage rain that feeds the rivers, the bloodlines of living organisms etc etc ... and as we all know, Water is Life.

Our Mission

..... is to change the mindset of our children today to use biogas so that in ten years or so when they make homes for themselves, by default they will “THINK” biogas and leave the forests in peace. In this aim, we are encouraging schools and institutions to adopt this easily expandable technology and encourage hands-on participation in operations by the students and youths.

Some scary facts...

• The current Greater East Africa population of approximately 300 million is projected to increase to 438 million by 2025 and to 650 million by 2050. http://www.prb.org/Articles/2008/foodsecurityeastafrica.aspx

• It is estimated that wood fuel makes up approximately 80% of domestic energy use in Kenya and upwards of 95% in other East African regions.

• The per capita use of wood-fuel  is 1 ton per year!

• In Kenya alone, natural replacement rates of wood fuel are estimated to be less than 60% – i.e. wood supplies are disappearing by 40 % each year.

Charcoal is the cancer of poverty

A sneak view of the tomorrow for our children - Pictures speak mountains

We need an affordable renewable sustainable fuel NOW!!!

Upwards of 80% of the population of Kenya rely on wood fuel for cooking heating and  lighting. With little or no access to liquid petroleum gas - LPG, or Kerosene, and the forever rising costs of the same, the demise of the forests is imminent.

BUT..... nearly every household has a cow – or at least access to the poop of one.

Note: Biogas can be produced from any decomposable organic matter including kitchen and garden waste, agricultural waste, all animal and even human poop.

The miracle of Biogas

Ancient Persians observed that rotting vegetables produced a flammable gas, and in 1859 Indians built the first sewage plant in Bombay. Biogas has been used in China for 2,000–3,000 years. 

Two types of biogas digesters have been previously promoted in Kenya. The floating dome type from India and fixed dome types from China. Both are used widely in their home countries but have not done all that well here.

So what's the problem??

Studies have been done to find out why Kenyans don’t take to biogas and have come up with several reasons -

1. It’s just too expensive. Fixed dome and floating top systems that produce sufficient volumes of gas for domestic use costs upwards of Kes 150,000.00.

2. Conventional systems are "FIXED" and non expandable. So as one's energy requirement increases, ........ need I say more

3. They require technical expertise in construction which requires masonry stones, sand, iron bars and mesh, cement....

4. They will can take several weeks or months to construct. This adds to the cost and sheer scariness of it.

5. Metal parts of the dome are prone to rusting requiring regular expensive repair or replacement.

6. As it’s a major construction, the user must own the land due to the construction requirements and ownership.

7. Components and materials are bulky requiring expensive truck transportation.

8. Some of the parts are imported and are not locally produced or widely available.

CONVENTIONAL (STONE AGE) TECHNOLOGY

1. Times have changed but the age-old design of the floating top and sealed dome systems has remained. When they were originally designed, construction materials available only allowed for limited efficiency. By design, and especially in the sealed dome design, huge volumes of gas escape to the environment through the expansion chamber making the systems extremely inefficient. Further to this, Methane is lighter than air and considered by many a Green House "OZONE DEPLETING" Gas.

Q. I ask you simply, can you truly prevent global warming by saving the forests in the aim of reducing carbon emissions whilst in the same breath you blow holes through ozone layer allowing solar radiation to zap the hell out of the planet???

2. Both systems require agitation to prevent clogging and blockages. This translates to a mixture of partially new input matter being ejected bebore fully fermented or digested contributing to further inefficiency in the systems. If applied directly to the seedbed, the partially fermented mico-organism rich slurry will in-jest any organic matter it will come into contact with - your crop, and is infact harmful to the soil.

Intro Flexi Biogas Systems,

THE ONLY TRUE GREEN ALTERNATIVE ENERGY

1. 100% of the Methane produced is capture in the Flexi biogas systems.
2. Harmless carbon dioxide and water are released when Methane-CH₄ is burned.
3. Fertilizer output is concentrated organic 100% composted and seedbed ready with no further processing or curing required.

Clean, Practical, Affordable, Sustainable

Micro-Greenhouse Tunnel

IMPORTANCE OF THE TUNNEL
Temperature is a key catalyst to the production of biogas. Housed within a sealed tunnel, the system will quite easily achieve temperatures upwards 40C.

HEAT ENERGY CAPTURE

During the day, the tunnel captures solar radiation whereby increasing the temperature of the  substrate within the digester. This also occurs on cloudy days but obviously to a lesser degree.

HEAT RETENTION

Concealing the digester envelope, during the evenings the tunnel becomes an insulated jacket preventing heat losses and therefore continued high rate of fermentation and gas production.

UV filter
Also, the greenhouse fabric is a UV filer and so further extends the life expectancy of the digester fabric.

ALL YEAR ROUND ENERGY
In short, the efficiency of system has doubled for most of the year round and at least tripled during the cold July-August seasons.

FLEXI BIOGAS SYSTEMS, A TOTAL ENERGY SOLUTION

With this increased efficiency and large gas production capacity, one is now able to run generators and conventional agri tool such as chaff cutters, water pumps, milking machines, etc from a single BG6 system.

FERTILIZER PRODUCTION
Not forgetting the increased organic fertilizer production.....

Flexi Biogas is TRUE GREEN

Simplicity

The plants are fabricated from reinforced long lasting UV resistant plastic

All components can be recyclable after use

User serviceable components are widely locally available

Portability

When packed the kit is compact and lightweight, and can be transported on a motorcycle or boda-boda. When upscaling, you can sell current system and install a larger capacity system and when moving house you just roll it up and take it with you.

• No construction, digging, masonry, building etc
• No heavy transport costs
• No contractors and fundi's
• No hassle

Rapid gas production - Only one cow

• => Dung from one cow will produce sustainable volumes of gas for an average 4 - 5 member family
• => The more input the more output  i.e. the higher the volume of input, the larger the volume of gas produced
• => Being solar heated, the system will produce usable volumes in about four days of installation and sustainable volumes within a weeks    or two

Protective fencing

This may be necessary in some instances especially against the kids

Continuous-flow, CF - Batch Combo - Large domestic 9m³

We have recently super upgraded the digester design branding it the Continuous-Flow Batch Combo or  'CF Batch Combo'. As well as being used as a continuous flow system, the new system design also very simply allows for large volume batch digestion of periodic bulk inputs such as mass market waste, water hyacinth, agro processed waste etc

The new digester has Zip-like seals across either end of the envelope so using bulky inputs, and emptying the digester can be achieved very simply

 

Synchronising more than one digester with a scheduled input supply will continuously produce a large volume of both gas and high quality fertilizer.

Another systems we have designed is specific for application in remote locations such as clinics, schools, childrens homes, institutions etc, off power grids (or just wanting to reduce power / fuel overheads)