Benedictor Waniala

Pellets are Eco-friendly carbon neutral, Solid Biofuel

Pellets are Eco-friendly carbon neutral, Solid Biofuel.

Pellets are Eco-friendly carbon neutral, Solid Biofuel.

  • Pellets are alternate to Charcoal and Firewood.
  • Pellets are small “nuggets” of compressed
    agricultural and forest waste including wood waste.

  • A wide variety of biomass can be utilized to make biopellets like cornstalks, straw, residual forest waste,
    etc.
  • It is a refined and densified biomass fuel that allows
    remarkable consistency and burning efficiency at
    substantially lower particulate emissions.

  • Pellets

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    Benedictor Waniala

    WBA Webinar Series

    WBA Webinar Series – Advanced Biomass Cooking A paradigm shift in meeting basic energy needs Date: 10 February 2021   Time: 19.30 IST // 15.00

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    Webinar: Pellet plants in developing economies

    RegistrationLink

    Wood pellets are one of the leading renewable and sustainable solution for meeting the demands for the global clean energy transformation. Currently, millions of tonnes of wood pellets are utilized for providing clean energy for heating, electricity, and cooking all over the world. Much of the production and consumption of wood pellets occurs in developed economies such as USA, Canada, EU, Japan etc. and the use is currently in large scale power plants and the residential heating sector, However, there is an increasing opportunity for producing pellets from agro and forest residues in emerging economies in Asia, Africa, Latin America for use in heating, electricity as well as cooking. 

    In this regard, WBA is pleased to invite you all to a new webinar ‘Pellet plants in developing economies – a prerequisite for advanced biomass cooking’. Project developers from Africa, Asia and Latin America will share their experiences in planning, building and operating pellet facilities. The event is planned as a joint webinar along with Bioenergy International – one of the leading trade publications focussed on biomass to energy value chain. BioInt is also the official magazine of WBA. 

    WBA initiated a Working Group on Advanced Biomass Cooking (ABC) bringing together actors from around the world that are engaged in Advanced Biomass Cooking in one way or another. We have also recently published the website, Pellets.Africa and have selected the transition to advanced biomass cooking as a focal area of engagement for the year 2022. 

    The previous webinar organized in February was focussed on gasification cooking technology. Recording and presentations available on WBA homepage. 

    Agenda

    • Maarten Gnoth (Hinterland): Basic requirements for a successful pellet project development in Africa
    • Conrad Klingenberg, Marion Peterson(ECS Zambia): Experiences with the ECS pellet plants in Zambia
    • Ketaki Kokil (Ecosense): Village scale pellet production – experiences in India
    • Chris Fodor (Congo basin pellets): Experiences with setting up a pellet plant in Gabon
    • Magnus Stahl (Karlstad University): Pelletizing different raw materials: findings from research that can be valuable

    The event will be moderated by Christian Rakos, President, World Bioenergy Association 

    WBA Webinar Series

    WBA Webinar Series – Advanced Biomass Cooking

    A paradigm shift in meeting basic energy needs

    Date: 10 February 2021

     

    Time: 19.30 IST // 15.00 CET // 14.00 GMT // 09.00 EST

    Registration: Link

    Globally, 2.5 billion people (40% of the world population) are dependent on solid biomass fuel to meet their daily demands for cooking and heating. Most of them utilize wood or charcoal in traditional ways causing significant impacts on the health of women, children and the environment.

    The paradigm shift of advanced biomass cooking is, to change both fuel and cookstove technology to arrive at a sustainable solution. Agricultural residues that are upgraded by pelletization, offer a fuel with many advantages: sustainable supply, local value added, low cost, climate neutral and easy use. Gasification cookstoves can use this fuel in a way that is two to three times as efficient as traditional cooking techniques and does not generate any smoke.

    Consequently, the transition to advanced biomass cooking can make significant contributions to several sustainable development goals including reducing poverty, improving health and the wellbeing of women, offering affordable clean energy while allowing for local economic development and protecting the climate by reducing deforestation and using a carbon neutral fuel. (SDGs 1,2,5,7,8,13 and 15).

    World Bioenergy Association initiated a Working Group on Advanced Biomass Cooking (ABC) bringing together actors from around the world that are engaged in Advanced Biomass Cooking in one way or another. It has also recently published the website Pellets.Africa and has selected the transition to advanced biomass cooking as a focal area of engagement.

    In this regard, WBA is pleased to invite you all to a new webinar series on advanced biomass cooking which starts with a webinar focused on gasification cooking technology. Companies building and marketing gasification cookstoves will present their products and experiences in the market.

    Agenda

    • Ruben Walker, Founder and CEO, African Clean Energy
    • Dave Lello, Founder and CEO, Ekasi Energy
    • Ketaki Kokil, Director, Ecosense Appliances Pvt. Ltd
    • Mattias Ohlson, Co-founder and CEO, Emerging Cooking Solutions

    The event will be moderated by Christian Rakos, President, World Bioenergy Association

    World Bioenergy Association

    info@worldbioenergy.org

    https://www.worldbioenergy.org/

    +46 8 441 70 84

    Benefits of Pellets

    Pellets are categorized by their heating value, moisture and ash content, and dimensions. They can be used as fuels for power generation, commercial or residential heating, and cooking


    There are numerous benefits achieved by utilizing pellet fuel, including economic and environmental. Pellet fuel is utilized in varied settings and applications, such as home heating appliances and large-scale boilers in commercial operations.
    There are an estimated 1,000,000 residences/businesses in the US currently heating with pellets.


    A typical homeowner uses 3 tons of pellets per heating season at a cost of about $825. At an average retail price of $250/ton, pellets offer a fuel cost per million BTU of $19.05. To offer a fuel cost of $19.05 per million BTU, # 2 fuel oil and propane would have to be priced at $2.05/gal and $1.36/gal, respectively! (Fuel Value Calculator, USFS, 2008)

    One ton of wood pellets has the energy equivalency of 2.8 barrels of #2 fuel oil. (Energy Information Administration)


    Direct thermal conversion of 3 million tons of wood pellets displaces the equivalent of almost 8.5 million barrels of #2 fuel oil. That is 356 million gallons! (Energy Information Administration)


    Direct thermal conversion of pellets has an efficiency level of approximately 80%.

    Pellet stoves have extremely low particulate emissions due to their high burn efficiency and the density of the fuel. (Environmental Protection Agency)


    Every ton of pellets used vs. oil reduces CO2 emissions by about 1.5 tons. Total emissions offset this year will be nearly 4.5 million tons of CO2.


    Pellet distribution costs less than the cost of distributing wood chips.


    Wood pellets have a fossil energy ratio (net energy output/fossil energy used) of 12:1. (Net Energy Value Study, University of Wisconsin Green Bay)


    Pellet manufacturing directly employs approximately 2,300 people in the U.S. and supports thousands of industry-related jobs in fields such as transportation and logging. (North America’s Wood Pellet Sector, Spelter & Toth, 2009)

    Pellets.Africa

    Raw Material for Bio-pellets agricultural
    waste
    : crop stalk and straw material, rice husk, cotton stalk, coffee husk, alfalfa straw, coconut shell, palm shell, sugarcane bagasse, etc. forestry residue: sawmill residue, branches, bark, leaves, etc. solid waste: junk paper, waste plastic, cardboard, etc.

    Biomass Pellets Application building heating:
    Biomass pellets can be used in a pellet stove or furnace to heating room at school, hospital, marketplace, company, etc. Cooking with biomass pellets is also available. Iindustrial boiler: Bio-pellets can partly(or entirely) replace coal or fossil fuel in co-firing heating for large-scale industrial operation to reduce the energy cost. power plants :Biomass pellets can be used in power plants to solve the problem of insufficient power supply. Animal bedding: Bio-pellets made of softwood is a kind of slap-up animal bedding to raising animal experience.

    Generally speaking, any materials can be made into biomass pellets as long as it will burn. The traditional materials for fuel pellets are wood chips, wood shavings, wood sawdust from the sawmill or forestry residue such as branches, bark, leaves, etc. Thus this kind of pellets are called wood pellets. With the skyrocketing increasing demand of biofuel pellets, people developed varieties of agri-waste to make biomass pellets. Corn stalk pellets, wheat straw pellets, rice husk pellets, coconut shell pellets, sugarcane bagasse pellets can all be listed at this sort of pellets. There are also paper pellets and plastic pellets made of municipal solid waste

    Biomass Pellets Making Procedure & Prospect: Biomass pellet is one kind of biofuel resources. Biofuel or biomass energy, refers to renewable energy sources such as solar energy, wind energy, etc which can both generate heat or electricity for human life and produce little damage to the environment at the same time. Bio-pellets is commonly making by biomass pellet machine with the biomass materials. Before turning into pellets, a series of processes, including crushing to required size, reducing water content,  pelletizing, cooling, packaging, are needed. After processing, the combustion and automation operation performance of biomass materials have been increased sharply. With features of high combustion value, uniform size, biofuel pellets have wide range application in boiler, stove, power plants, factories and household heating, etc. As the biomass energy is recognized by more and more people, bio-pellet shares an increasing percent in fuel market. That is to say, biomass pellet industry is a sunrise industry which is worth investing.

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    Pellet production from agricultural raw materials

    The demand for biofuel pellets has increased considerably in recent years, causing shortage of the traditional raw materials sawdust and wood shavings. In this study, the costs and energy requirements for the production of pellets from agricultural raw materials were analysed. The materials studied were Salix, reed canary grass, hemp, straw, screenings, rape-seed meal, rape cake and distiller’s waste. Four production scales were analysed, having an annual output of 80,000, 8000, 800 and 80 tonnes of pellets per year. It was concluded that the raw materials of greatest interest were Salix and reed canary grass. They had competitive raw material costs and acceptable fuel properties and could be mixed with sawdust in existing large-scale pelleting factories. Straw had low production costs but can cause serious ash-related problems and should, as also is the case for screenings, be avoided in small-scale burners. Hemp had high raw material costs and is of less commercial interest, while distiller’s waste, rape-seed meal and rape cake had higher alternative values when used as protein feed. The scale of production had a crucial influence on production costs. The machinery was used much more efficiently in large-scale plants, resulting in clear cost savings. Small-scale pelleting, both static and mobile, required cheap raw materials, low labour costs and long utilisation times to be profitable. In most cases, briquetting would be more commercially viable. The energy use in manufacturing pellets from air-dried crops was generally no higher than when moist sawdust was used as the raw material.

    Raw material preparation for pellet production

    To prepare the raw materials is the first thing when we make wood pellet. For small wood pellet plant, the raw materials quantity is not much. If the wood pellet is for personal use, the raw materials are normally the crop waste in the farmland. If the small pellet plant produce wood pellet for commercial purpose, the raw materials are normally the wood shavings collected from saw mill nearby. But for large wood pellet plant, the preparation of raw material become a serious problem which impact the pellet plant capacity directly. As the demand of raw materials for a large pellet plant is massive, the wood shaving quantity of a saw mill is not enough for a large pellet plant. Therefore, a large pellet plant usually use wood logs and branches as raw materials, or to find some saw mills and sign a long term wood shavings supply contract with them.

    Differences between Biomass Fuel and Fossil Fuel

    Biomass pelletization is a standard method for the production of high density, solid energy carriers from biomass. Pellets are manufactured in several types and grades as fuels for electric power plants, homes, and other applications. Pellet-making equipment is available at a variety of sizes and scales, which allows manufacture at domestic as well industrial-scale production. Pellets have a cylindrical shape and are about 6-25 mm in diameter and 3-50 mm in length. There are European standards for biomass pellets and raw material classification (EN 14961-1, EN 14961-2 and EN 14961-6) and international ISO standards under development (ISO/DIS 17225-1, ISO/DIS 17225-2 and ISO/DIS 17225-6).

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