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Biogas

75% of Sri Lanka’s functioning biogas systems are engineered and operated by Bio Fuel Lanka

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Biogas PlantBiogas is a kind of biofuel that is normally created from the deterioration of natural waste. At the point when natural issue, for example, sustenance scraps and creature squander, separate in an anaerobic domain (a situation truant of oxygen) they discharge a mix of gases, principally methane and carbon dioxide. Since this deterioration occurs in an anaerobic situation, the way toward delivering biogas is otherwise called anaerobic absorption.

Anaerobic assimilation is a characteristic type of waste-to-vitality that uses the procedure of maturation to breakdown natural issue. Creature compost, sustenance scraps, wastewater, and sewage are altogether cases of natural issue that can deliver biogas by anaerobic absorption. Because of the high substance of biogas (normally 50-75%) biogas is ignitable, and in this way delivers a dark blue fire, and can be utilized as a vitality source.

The Process

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The biogas plant receives all kinds of organic waste - typically livestock manure and organic industrial waste (even food waste). The dry solid in organic waste contains carbon, among other things, and in the process this carbon is transformed into biogas, a compound of methane (CH4) and carbon dioxide (CO2).

The organic waste is mixed in the plant's receiving tank before being heated to 38-52°C/100-125.6°F and pumped into the digester in which the biogas is produced. The biomass stays in the digester for 2-3 weeks and the fermented slurry can subsequently be used as crop fertilizer. This fertilizer has improved qualities such as less odor inconveniences when spreading the slurry and significant reduction of greenhouse gasses.

Bio Fuel Lanka will fully fund a project within your premises.

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Effective Microorganisms (EM)

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Solar Energy

EM is the abbreviation for Effective Micro-Organisms. EM is a combination of useful regenerative micro-organisms that exist freely in nature and are not manipulated in any way. This mixture increases the natural resistance of soil, plants, water, humans and animals. EM considerably improves the quality and fertility of soil as well as the growth and quality of crops.

EM consists of 80 different kinds of effective, disease-suppressing micro-organisms. Each of these effective micro-organisms has a specific task. In addition, these micro-organisms enhance each other's working.This means that synergy occurs!The micro-organisms are naturally existing and are not modified or manipulated in any way and are cultured according to a specific method. Some of which are known to produce bioactive substances such as vitamins, hormones, enzymes, antioxidants and antibiotics that can directly, or indirectly enhance plant growth and protection. The micro-organisms in EM have been used medicinally and in food processing for many years, which gives an indication as to how safe they are to use.

The possibilities for using EM are numerable and include the following:

  • Agriculture - reducing the dependency on fertilizers, chemicals and pesticides.
  • The restoration of polluted or degraded land.
  • For solving all kinds of environmental problems such as water, air, and soil pollution.
  • In horticulture, fruit and flower cultivation.
  • For use in the home in daily life for everyone.
  • The recycling of kitchen waste and turning it into valuable organic material.
  • In the garden to improve soil structure, increase productivity and to suppress both disease and weeds.
  • In animal husbandry and for all kinds of pets.
  • In fisheries, aquariums and swimming pools.
  • In personal bodily hygiene and for the prevention and treatment of health problems.

Frequently Asked Question

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What is the cost of your product?

Bio Fuel Lanka will fully fund a project within your premises.

How can biogas replace LPG?

In a biogas plant such as the BFL CSTR AD model when you have an input of 100kg of foodwaste the biogas yield will be approximately 35 cubic meters per day. However, this figurecannot be achieved within a short period of 02 or 03 months. In most cases it may take aperiod of approximately 10 months because of the fact that the methanogenic bacteria are the slowest growing bacteria which is ultimately the optimum biogas producer.

Going back to the question it is our responsibility to achieve the maximum methanepercentage per meter cubic of bio gas and we have a proven ability to obtain 75% + ofmethane per cubic meters of biogas.Now do a simple calculation: 35-meter cubes of biogas with 75% methane is equal to 33.75cubic meters of methane which when multiplied by 37 mega joules is = 1248.75 Mega joules.How many kg of LPG will this replace? = 1248.75/50 = 24.975Kg of LPG. Now do your payback calculation accordingly.

How can you assure that the plant will continue to produce biogas and what are the maintenance factors?

There are 8 microbial community observation points in the BFL CSTR model. You can hirean expert to get the pH report on a monthly basis or BFL will train your staff to do the job.The required pH has to be maintained.We have to make sure the temperature of the tanks is within 36 ̊ - 37 ̊ Celsius. Agitation hasto be done at 2-hour intervals for at least 20 minutes.We have an agitator fan installed in our CSTR plants to do the stirring. The fan will revolve at7rpm to optimize the process. There is another fan which removes any scum or gritdeveloping in the upper part of the digester.There are many more positive reasons which are proprietary to our design and hence cannotbe communicated at this stage. A plant with these features will produce enough gasthroughout the year & for many years to come with zero maintenance.

Will there be a reduction in the production over time?

There will be no reduction in production – actually the biogas will increase after two yearswith the growth of the microbial community. The CSTR Digester will produce more andmore biogas as far as its capacity is concerned when more and more nutritious food waste isfed.For example, the plant presently being constructed at Asia Line Middeniya will accommodate an input of 100kgs initially but after 24 months it could possibly accommodate 200 kgs of input. The reason being you have to let the microbial community to grow and reach amaximum stage. However,these figures are based on theory and cannot be guaranteed as it isan Act of God.

What happens if the input material reduces?

The production of the volume of biogas will reduce with input reduction. If you do not eatenough you may feel lethargic and are unable to work or sleep until you get a proper meal.

Are there similar plants in existence?

Such model plants do not exist anywhere in SriLanka other than our very own plantsconstructed in the very recent past. We spent years on R&D before we marked the CSTRsystem. We are very confident of its successful operation.

What are the BFL CSTR AD Biogas Plant plus points?

The capacity / capability of the plant has been discussed and you yourself will in the futurebear witness of the BFL CSTR AD Biogas Plant capacity and outputs. These are the pointswe possess.

What is the lifespan of your plant?

The lifespan of the BFL CSTR AD Biogas Plant can easily be started to be over 25 years.

Operational Projects

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Recent Work

BFL-Canelra Hall, Ganemulla

Recent Work

BFL-Cattle Farm, Chilaw

Recent Work

BFL - Farm Fresh Agro, Halawatha

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Contact Info

Address:
222,"LEO HOUSE",
Cotta Road, Colombo 08,
Sri Lanka.