Montals F2-m Biogas Stove

Montals Engineering

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Snapshot
Manufacturing & delivery
Performance & use
Research & standards
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Product description Brand name and product description

A single-burner, sheet metal biogas stove based in Ghana. This stove can be used with both biogas and LPG. Montals Engineering manufactures other products such as bread ovens and other types of biogas and LPG stoves.

Montals Engineering is located in Kumasi, Ghana.

www.montals.com

Target region(s) Target region for distribution/implementation (listed by country if specified)

Countries – Burkina Faso – Cote d’Ivoire – Ghana – Togo

Distributors/implementing organizations Organization(s) distributing/deploying this product directly to communities/individuals?"

Montals Engineering

Market suggested retail price Price per unit or service price per usage/terms (USD). Subsidies noted.

$50 – $55 USD ^{interview with representative}

Competitive landscape Similar products available on the market. May not be a comprehensive listing.

SDG targeted United Nations Sustainable Development Goals (SDGs) targeted with this product/application/service

Goal 7: Ensure access to affordable, reliable, sustainable and modern energy for all

Target user(s) Target user/consumer base (country, income segment)

Individuals, households and private sector businesses with access to biogas.

Manufacturing/building method(s) Detail regarding solution production or construction method (instructions, mass production capacity, custom made,etc...)

Mass manufactured in Kumasi, Ghana by Montals Engineering. Roughly 1,000 stoves are manufactured monthly.

Product Intellectual Property Open source/IP protected (note patent)/trade secret/other?

Trade secret

User Provision Model Where can the product be purchased/acquired by end users?

Users can obtain the product through Montals Engineering

Distribution to date Number of units that have been deployed, downloads or users to date

Over 2,000,000 stoves distributed as of June 2016. The 2 million stoves distributed reflect stove sales to users intending on utilizing only LPG, only biogas or both biogas and LPG as a fuel ^{interview with representative}.

Fields marked are sourced values that have been evaluated by the manufacturer or a third party, all others are design specifications.

Firepower (W)

5500

Fuel consumed (g/task)

15.5 g/liter

IWA emissions: IWA high power CO (g/MJ-del)

Minimum and maximum

0.0777

IWA efficiency: IWA high power thermal efficiency (%)

Minimum and maximum

50.25

IWA high power PM (mg/MJ-del)

Minimum and maximum

IWA indoor emissions: IWA CO (g/min)

Minimum and maximum

0.0133

IWA low power CO (g/min/L)

Minimum and maximum

IWA low power specific consumption (MJ/min/L)

Minimum and maximum

7.89 g/liter

Mean time to boil (mins)

Pot type accommodated (Flat bottom/Round bottom)

Both

Thermal efficiency (%)

High firepower: 50.25 % Simmer: 71.63 %

Design specifications Component and Operation overview including power, portability, facility requirements, preventative maintenance and user training requirements

Dimensions of the stove are 560 mm x 560 mm x 360 mm with a weight of 10.1 kg. Local assembly only requires a spanner and screw driver after initial manufacturing in Ghana.

Product schematics Design and assembly illustrations

Unknown

Technical support Technical support provided by

Contact Montals Engineering

Replacement components Availability of replacement components (in-country, by order,...)

The burner within the stove body is often replaced over the lifetime of the stove. Montals Engineering provides a 6 month warranty on their stoves. ^{interview with representative}

Lifecycle Disposal and warranty

4 years ^{interview with representative}

Manufacturer specified performance targets Designer / Manufacturer specified targets

Carbon monoxide emissions (PPM), flue temperature, and time to boil

Vetted performance Findings of manufacturer evaluations or independent testing centers

The Council for Scientific and Industrial Research in Ghana verified the following:
– thermal efficiency – emissions including carbon monoxide, carbon dioxide and particulate matter – energy consumption rate – firepower

Testing organizations Independent lab, academic research centers, etc.

The Council for Scientific and Industrial Research in Ghana.

PUM Netherlands Senior Experts conducted technical performance tests. For these results, please contact Montals Engineering

Safety Potential hazards / risks related to operation of this product

Be sure to use a flame arrestor to prevent upstream flame propagation

Complementary technical systems Performance of this product is improved with another technology (eg. Cookstoves and Wind-blocking skirts)

Montals Engineering’s product line also includes the Munt G1 three burner biogas stove and a two burner biogas stove. Other technical systems to be used with the stove include varying types of biodigesters and scrubbing systems to improve the quality of the biogas.

Academic research Academic research related to the product (e.g. published papers in peer-reviewed journals)

Several universities in Ghana work with Montals. Hard copy academic reports are available upon request.

Compliance with regulations Product certifications and standards referenced by designer/manufacturer

Montals Engineering is progressing toward complying with Indian biogas regulations.

Evaluation methods Evaluation methods/protocols/guidelines referenced by designer or manufacturer.

Carbon monoxide emissions (PPM), flue temperature, thermal efficiency and time to boil

Other information

Montals Engineering manufacturers stoves for both LPG and biogas. Montals biogas stoves are also compatible with LPG if needed.

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