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Environment & Climate5 Nov 2026 · about 6 min

Check below What's Cooking Inside IIT Bombay kitchen 😳

The brief

IIT Bombay’s Hostel 16 kitchen is using fuel pellets made from garden waste as an energy source for cooking. This gives discarded plant material a useful second life while reducing dependence on LPG. The change matters because it connects waste management with daily food preparation for a large student community. Nearly 2 tonnes of garden waste are generated at IIT Bombay every day. With support from IIT Bombay-funded startup Infixen, this waste is converted into fuel pellets. The pellets are then used to help power the Hostel 16 kitchen, where meals are prepared for over 1,200 students. The system has reduced LPG consumption by 60%. It also changes garden waste from a disposal problem into a resource. The institute previously paid nearly ₹50 lakh each year to transport this waste away. The project shows how campus waste can support essential services while reducing fuel use.

01

What is happening inside IIT Bombay’s Hostel 16 kitchen?

IIT Bombay’s Hostel 16 kitchen is using fuel pellets made from garden waste as an energy source for cooking. This gives discarded plant material a useful second life while reducing dependence on LPG. The change matters because it connects waste management with daily food preparation for a large student community.

Nearly 2 tonnes of garden waste are generated at IIT Bombay every day. With support from IIT Bombay-funded startup Infixen, this waste is converted into fuel pellets. The pellets are then used to help power the Hostel 16 kitchen, where meals are prepared for over 1,200 students.

The system has reduced LPG consumption by 60%. It also changes garden waste from a disposal problem into a resource. The institute previously paid nearly ₹50 lakh each year to transport this waste away. The project shows how campus waste can support essential services while reducing fuel use.

02

What are fuel pellets, and how can fallen leaves and other garden waste be turned into them?

Fuel pellets are small, compact pieces of combustible material used as fuel. In this case, the material comes from garden waste, including the fallen leaves highlighted in the article. Turning loose waste into pellets makes it easier to handle, store, and feed into a cooking system. The article presents this as a practical way to reuse waste.

The basic process involves collecting garden waste, drying it, and compressing it into dense pellets. The pellets can then be burned to release heat. IIT Bombay-funded startup Infixen supports this conversion. The resulting fuel is used in the Hostel 16 kitchen and helps reduce the amount of LPG needed for cooking.

The article does not describe the exact machinery or pellet recipe. It does show the result: nearly 2 tonnes of garden waste generated daily become fuel, while LPG use falls by 60%. This links waste processing directly to meals for over 1,200 students.

03

How much garden waste is being processed, how many students does it serve, and how much LPG use has been reduced?

The scale is substantial: IIT Bombay generates nearly 2 tonnes of garden waste each day. Instead of treating all of it as material to remove, the institute converts it into fuel pellets. This makes a daily stream of campus waste useful for an essential operation: cooking student meals.

The pellets help power the kitchen at Hostel 16. That kitchen prepares meals for more than 1,200 students. The key result is a 60% reduction in LPG consumption during meal preparation. The article does not state that LPG has been eliminated; rather, the pellets reduce how much LPG the kitchen needs.

These figures show the project’s combined environmental and practical reach. A large quantity of waste is processed daily, a sizable student population benefits, and fossil-fuel use is reduced. With support from Infixen, IIT Bombay is turning routine garden waste into a steady cooking-fuel resource.

04

How do the fuel pellets provide the heat needed to cook meals in place of LPG?

Fuel pellets provide cooking heat because dried plant material contains stored chemical energy. When the pellets burn, that energy is released as heat. A kitchen can direct this heat toward cooking vessels, allowing the pellets to perform part of the work normally done by LPG. This is the basic mechanism behind their use as a cooking fuel.

At IIT Bombay, garden waste is converted into pellets with support from Infixen. Those pellets help power the Hostel 16 kitchen, which prepares meals for over 1,200 students. The article reports a 60% reduction in LPG consumption, showing that pellet heat supplements or replaces a significant share of LPG heat.

The source does not describe the specific stove, burner, or heat-transfer equipment. It also does not claim that LPG is completely removed. Its reported outcome is clear: garden-waste pellets help cook meals and substantially reduce the kitchen’s LPG requirement.

05

What happened to IIT Bombay’s garden waste before this system, and how has that changed its annual waste-disposal cost?

Before this system, IIT Bombay’s garden waste was treated mainly as material to be transported away. Removing it cost the institute nearly ₹50 lakh annually. That expense reflected the challenge of handling the large amount of garden waste generated across the campus.

The situation changed with support from IIT Bombay-funded startup Infixen. Nearly 2 tonnes of garden waste generated each day are converted into fuel pellets. These pellets help power the Hostel 16 kitchen, where meals are prepared for over 1,200 students. The waste therefore moves from disposal to useful energy production.

The article does not provide a new annual disposal-cost figure, so the exact savings cannot be calculated from the available information. It does show a clear change in purpose: garden waste that once had to be transported away is now becoming a valuable fuel resource. The system also cuts LPG consumption by 60%.

06

Why can dried plant material release useful heat when it is burned?

Plants store energy as they grow. Their tissues contain carbon-based organic material, including leaves, stems, and other garden matter. When this material is dry and burned with oxygen, its stored chemical energy is released mainly as heat. That heat can then warm cooking vessels and food.

Fuel pellets use this principle in a compact form. Loose garden waste is processed into denser pieces, which can be handled and burned as fuel. At IIT Bombay, these pellets help power the Hostel 16 kitchen. The article reports that this use reduces LPG consumption by 60% while supporting meals for over 1,200 students.

The source focuses on the practical result rather than the chemistry. It does not detail the combustion process or equipment. It establishes that garden waste can become fuel pellets and that burning those pellets supplies useful kitchen energy. This turns daily plant waste into a source of heat instead of material sent away for disposal.

07

What is biomass energy, and how does using plant waste for fuel differ from relying only on fossil fuels such as LPG?

Biomass energy is energy produced from organic material, especially plant matter. Fallen leaves, stems, and other garden waste are examples of biomass. When this material is dried and burned, it releases heat that can be used for cooking. Converting it into pellets creates a more manageable fuel form.

At IIT Bombay, nearly 2 tonnes of garden waste generated daily are turned into pellets with support from Infixen. The pellets help power the Hostel 16 kitchen, serving meals to over 1,200 students. This use of biomass cuts the kitchen’s LPG consumption by 60%, according to the article.

LPG is a fossil fuel, while garden-waste pellets come from plant material collected on campus. Using biomass does not mean the kitchen stops using LPG entirely; the reported result is lower LPG use. The project therefore diversifies the kitchen’s energy supply while also reusing waste that previously cost nearly ₹50 lakh annually to transport away.

This brief was written by AI from the original reporting and checked by other models. Names, figures and quotes come from the source; read it for full context.

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