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Resiliants: WATER

Resiliants: WATER aims to create a predictive dashboard for avocado...

DEVELOPMENT OF ZERO WASTE BIO-BASED SMALL-SCALE CATALYTIC GASIFICATION SYSTEM

Our innovation utilizes a unique gasification reactor design equipped with a catalytic reformer to maintain a precise and closely monitored temperature profile in the gasifier.

Biomass gasification is a powerful technology for achieving sustainable development goals. It transforms forest and agricultural residues, such as forest thinningand straw, which pose a great hazard for wildfire onset,into valuable products like electricity, heat, bio-char, andnatural fertilizers. Adaptation of this technology cansignificantly contribute to building climate-resilientregions.
The successful implementation of the project will act asa compelling demonstration, showcasing the viability of the proposed technology. This demonstration isexpected to convince numerous farmers and foodprocessing entrepreneurs to invest in gasification units,encouraging them to initiate the processing of theirbiowaste.
The price of the proposed gasification unit per kWel will be comparatively lower than that of wood gasification units already present on the market, thus facilitatingadoption. Furthermore, this solution will be unique inits ability to gasify agricultural residues.

- Creating bankable zero waste solutions by transforming forest and agricultural remnants (waste material), including forest thinning and straw—significant contributors to wildfires—into valuable resources that can be easily monetized: electricity, heat, biochar, and organic fertilizers.
- Motivate local residents, especially farmers and food producers, predominant in the selected case study region of Sardinia, to get involved, as they recognize the economic benefits of transforming waste materials at their properties into valuable products.
- Facilitate the development of an economically attractive and affordable innovative solution (multi-fuel gasification unit) with a high return on investment (ROI) for investors (farmers), which is not yet available in the market.
- Opening up space for generating new green jobs, as biomass collection logistics require a workforce.

TRL3. Critical function: Proof of concept established
Members of the project team possess significant engineering experience and have been involved in numerous projects related to the thermal utilization of biomass, funded by the EU, the Central European Initiative (CEI), and the line Ministry of Science. The required calculations, drafting, and design for this innovation (gasification system) have already been completed. Unfortunately, the project team has not yet been able to practically realize the innovation. The laboratory at our Faculty (https://www.znrfak.ni.ac.rs/fpl/) offers “certain” conditions for conducting necessary experiments. However, it lacks fundamental equipment for the continuous monitoring of generated syngas, which has been a major obstacle to realizing this invention earlier. In this regard, this grant presents a great opportunity to complete the installation and demonstrate the feasibility of the proposed idea.

See more information about this level and the TRL and SRL levels.

The system’s main components have been individually tested, and an initial integration has been completed.

Credits
CREDITS
Project Manager - Milan Protic
Collaborators
COLLABORATORS
Milan Protic

How does it work?

The harvesting and processing of crops result in the generation of agro-wastes, and addressing the proper management and disposal of these agricultural residues and agro-industrialwastes is crucial due to environmental concerns related to greenhouse gas emissions.
Biomass gasification encompasses pyrolysis and partial oxidation within a carefully controlled oxidizing environment. The necessary heat for biomass drying, heating, and pyrolysis is supplied through the partial oxidation of biomass. Gasification is widely regarded as a highly promising technology for generating renewable and carbon-freeenergy due to its exceptional flexibility in terms of feedstock and the produced fuels. In essence, the gasification process transforms low-value biomass into a gaseous mixture comprising syngas (a combination of H2 and CO) and variable quantities ofCH4 and CO2. The syngas can be used to generate heat and power in ICEs, produce H2, and synthesize other chemicals, fertilizers and liquid fuels. In recent years, multiple studies have been conducted, exploring the types of reactors employed in gasification, the thermochemical processes at play, and the diverse range of gaseous and liquid fuels generated in the course of gasification. However, gasification of agricultural waste is challenged and faced with number of problems, explained above. The project’s outcome will be a concrete deliverable: a tested innovative pilot catalytic gasification unit, evaluated in both laboratory and field settings, possessing a rated electrical power of 25 kWel. This unit will be capable of converting forest and agricultural residues into valuable commercial products: electricity, heat and bio-char. Innovative aspects of proposed solution are explained in subsequent section. By employing agro-residues gasification facilities at large, it will become possible to achieve zero waste through the comprehensive utilization of crop residues or agro-industrial by-products. Proposed zero waste bio-based gasification facilities will have the potential to facilitate a paradigm shift from the traditional linear mass production model, involving extraction, manufacturing, utilization, and disposal, towards a closed-loop system. This transition will align with the principles of a sustainable circular bioeconomy. The circular consumption and production model exemplify the repeated use of initial feedstock materials throughout the loop, reducing the reliance on fresh feedstock. In addition to economic advantages, zero-waste gasification can also contribute to climate change control and the development of more climate-resilient regions.

Idea for innovation was generated through work on number of project regarding the thermal utilization of biomass: “Environmental and Economic Aspects of Application of Polygeneration Systems Based on Renewable Energy Sources”, “Development of Fluidized Bed Hot Water Boilers for Straw Combustion”, “Development of Fireboxes and Hot Water Boilers for Wooden Pellets Combustion” and grant obtained by the Central European Initiative (CEI) under the initiative “From Research to Enterprise”: “Serbian Biomass Potentials Analysis and Suggestion for Technically and Economically Most Feasible Biomass Utilization Technology”. During the work on these projects, we recognized the importance of gasification technology as one of the greenest and cleanest methods for transforming biomass into useful final energy: electricity and heat.

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