Charcoal Stove

Mogogo Stove Eritrea
Robert Van Buskirk

Eritrea Traditional Stove Efficiency

Sarai Cooking System
Sarai Cooking System

SARAI STAINLESS STEEL STEAM COOKER

AD Karve January 2003, REV 2006

Sarai is a stainless steam steam cooker. It is a non-pressurised cooker, into which you put about 150 ml of water and then lower into it a wire cage, which holds three cookpots, one on top of another. The steam pot has a lid which is kept closed while the food is being cooked. The heat is provided by a charcoal burner, which is designed to hold just 100 g of charcoal or a single honeycomb briquette of 100 g. After the coal has caught fire, the steam pot containing the food to be cooked is placed on the stove.

The Beehive (Honeycomb) Charcoal Briquette Stove in the Khumbu Region
Nepal, Sjoerd Nienhuys, March 18, 2003

Beehive StoveBeehive Stove

The Beehive (Honeycomb) Charcoal Briquette Stove in the Khumbu Region, Nepal, Sjoerd Nienhuys (1 800 kb pdf) March 18, 2003

1.1 OBJECTIVE
The document is the result of a mission to Lukla/Mosi (8,000 ft. / 2634 m) and Khumjung (11,800 ft. / 3882 m) in the Khumbu region and contains observations about the use of the Beehive charcoal briquette stove for cooking and space heating. The Beehive charcoal briquette stove has the potential to become a practical source of renewable energy (RE) for domestic use, hotel owners and trekkers in high altitude camping grounds. Currently large amounts of kerosene is being brought into the region to satisfy the need for cooking energy and for use in Everest Base Camp.

The observations in this report are related to the potential use of biomass charcoal briquettes and improved briquette stoves at high altitudes in Nepal. With proper application of the available technology, biomass briquettes can be a means of providing a convenient source of energy for cooking and space heating, substituting the need for kerosene which is a non-renewable energy source subsidised by the Nepalese government.

The need to improve the locally manufactured biomass charcoal briquettes has been also identified by WWF Nepal Programme. The same problems in the supply of energy exist in similar high mountain regions, such as the conservation areas managed by the WWF-Nepal Programme and the King Mahendra Trust for Nature Conservation. The charcoal briquettes are manufactured from agricultural residue and forest waste products. High firewood consumption for domestic cooking and heating purposes is depleting forest reserves because at the higher altitudes, where tree growth is considerably slower than at the lower altitudes such as in the Terai, regeneration of firewood cannot meet the demands. The author looked at some of the technical, social and financial implications of the produced briquettes and stove.

See attached report.

File attachments: 

How Charcoal Fires Heat the World Environmental Science and Technology Online April 2003 and Rob Bailis, Majid Ezzati, Daniel Kammen,

Greenhouse Gas Implications of Household Energy Technology in Kenya, Environmental Science and Technology 2003, 37, 2051-2059

High altitude smokeless metal stove research and development Kanchan Rai, A. Zahnd and J.K. Cannell, Boiling Point 51.

Development of Improved Cookings Stoves for Mountain Areas of Nepal, July 2004, Kanchan Rai, Research Development and Consultantcy (RDC) Unit Kathmandu University

Production of the Mirt Stove and Baking Injera, Ethiopia, Melessaw Shanko, August 2004

Sazawa Charcoal Stove Designed for Efficient Use of Charcoal C. Pesambili, F. Magessa and N. Mwakabuta, Tanzania Traditional Energy Development and Environment Organization (TaTEDO) Dar Es Salaam 2003

Sazawa

Sazawa is an Improved Charcoal Stove developed by TaTEDO; the stove is made up of metal sheet, round bars and two clay ceramic liners (fireboxes), which are bounded together to metal body by mixture of cement and rice husk ashes. Intended to save a significant amount of charcoal consumed in the cooking meals in the households.

File attachments: 

Installation of Improved Metal Cooking Stoves in the Khumbu Region: Field Visit Reports (3)
Sustainable Technology Adaptive Research and Implementation Center, Nepal Sjoerd Nienhuys, SNV-Nepal January 2005

Khumbu Metal StovesKhumbu Metal Stoves

Attached reports:
(1 of 3)
(2 of 3)
(3 of 3)

1. BACKGROUND
The majority of people in Nepal live in rural areas (88%). From the total energy requirements of the country, the rural areas account for 80%, mainly used for cooking. Almost all rural energy consumption (98%) is from traditional biomass resources, such as fuel wood, agricultural residues and animal dung. Accessibility to the electric grid by rural people is very limited, while LPG gas and kerosene oil in the high altitude and remote areas is relatively costly due to the high cost of
transport. Therefore, people living in remote areas depend heavily on forest resources to meet their demand for cooking energy.

In high altitude areas fuel wood is needed for cooking and space heating; the amount increasing with the altitude and colder temperatures. This results in continuous forest degradation, nutrient depletion from soils (by burning agro waste and cow dung), low agricultural outputs and soil
erosion. Together, these aspects result in a further reduction of accessibility to fuel wood.

File attachments: 

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