Pune's Green Hydrogen: Waste-to-Hydrogen Project Launched - India Renewable Energy Consulting – Solar, Biomass, Wind, Cleantech
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Themes and Topics

  • Economic feasibility of green hydrogen projects
  • Green ammonia production from hydrogen
  • Green hydrogen production from renewable sources
  • Green hydrogen storage solutions
  • Hydrogen fuel cells for decarbonization
  • India's Paris Agreement commitments renewable energy capacity
  • Pune Municipal Corporation green hydrogen project
  • Renewable energy-based hydrogen economy in India
  • Technological challenges in hydrogen storage
  • The Green Billions waste management collaboration
  • Pune’s Green Hydrogen: Waste-to-Hydrogen Project Launched

    Here’s an article posted in Insights On India that talks about India’s first hydrogen revolution in Pune.

    According to the article,

    • India’s first waste-to-hydrogen project is set to launch in Pune.
    • The project aims to manage waste and lower emissions using green hydrogen.
    • The Pune Municipal Corporation has partnered with The Green Billions for this initiative.

    Additional details related to the post:

    A waste-to-hydrogen plant in Pune would employ a process called “biomass gasification” to convert organic waste materials into hydrogen gas. Here’s an elaboration of the process along with specific data points and informative facts:

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    1. Feedstock Collection: The first step involves collecting organic waste materials such as agricultural residue, food waste, or municipal solid waste (MSW) from sources in and around Pune. These waste materials are rich in carbon content, which makes them suitable for gasification.
    2. Pre-treatment: Before gasification, the collected waste undergoes pre-treatment processes such as sorting, shredding, and drying to ensure uniformity and optimize the gasification process. This step helps in reducing moisture content and increasing the efficiency of gasification.
    3. Gasification: Gasification is the core process where the organic waste is converted into a syngas (synthesis gas), which primarily consists of hydrogen (H2), carbon monoxide (CO), carbon dioxide (CO2), and other trace gases. This is achieved by subjecting the pre-treated waste to high temperatures (>700°C) in a controlled environment with limited oxygen (partial oxidation or pyrolysis). The reactions involved are endothermic and produce a combustible gas.
      • Data Point: The gasification process typically achieves a hydrogen content in the syngas of around 15-50% by volume, depending on the type of feedstock and operating conditions.
      • Informative Fact: Gasification is a thermochemical process that differs from combustion in that it occurs in the absence of a stoichiometric amount of oxygen, leading to the production of syngas rather than direct combustion products like ash.
    4. Gas Cleaning: The produced syngas undergoes purification to remove impurities such as sulfur compounds, particulate matter, and trace contaminants. This purification step ensures that the hydrogen produced is of high purity and suitable for various applications.
    5. Hydrogen Separation: Once the syngas is cleaned, hydrogen is separated from the other gases using techniques such as pressure swing adsorption (PSA), membrane separation, or catalytic processes. These methods selectively capture hydrogen molecules, leaving behind other gases like CO2 and CO.
      • Data Point: Hydrogen separation processes can typically achieve purity levels of 99.9% or higher, depending on the specific technology used.
      • Informative Fact: Hydrogen separation technologies have been advancing rapidly, with improvements in efficiency, energy consumption, and scalability, making them increasingly viable for industrial-scale applications.
    6. Compression and Storage: The separated hydrogen gas is compressed to high pressures (typically around 350-700 bar) for storage and transportation. Compression increases the energy density of hydrogen, making it more practical for various end uses such as fueling hydrogen fuel cell vehicles or industrial processes.
      • Data Point: The energy required for compressing hydrogen typically ranges from 5 to 15% of the lower heating value (LHV) of the hydrogen produced, depending on the compression technology and pressure levels.
      • Informative Fact: Hydrogen storage technologies include compressed gas cylinders, liquid hydrogen tanks, and solid-state hydrogen storage materials, each with its advantages and limitations in terms of cost, safety, and efficiency.
    7. Utilization: The purified and compressed hydrogen gas is then utilized for various applications, including:
      • Fuel for hydrogen fuel cell vehicles, providing zero-emission transportation solutions.
      • Feedstock for industrial processes such as chemical synthesis, petroleum refining, and metal processing.
      • Energy storage and grid balancing, enabling integration of renewable energy sources and stabilization of electrical grids.

    By converting organic waste into hydrogen gas through the waste-to-hydrogen plant, Pune can address waste management challenges while simultaneously producing a clean and sustainable energy carrier for various applications, contributing to environmental sustainability and energy security goals.

    Interestingly, we have some other posts related to this content:

    Chevron’s Green Waste-to-Hydrogen Project: A Step Towards Sustainable Transportation in California: Chevron invests $25 million in a California project aiming to supply hydrogen for transport from a $50 million plant in Richmond. Hydrogen Production with Plastic Waste: FusionOne Technology – FusionOne technology converts plastic waste into hydrogen fuel by breaking it down into chemical components.

    About Narasimhan Santhanam (Narsi)

    Narsi, a Director at EAI, Co-founded one of India's first climate tech consulting firm in 2008.

    Since then, he has assisted over 250 Indian and International firms, across many climate tech domain Solar, Bio-energy, Green hydrogen, E-Mobility, Green Chemicals.

    Narsi works closely with senior and top management corporates and helps then devise strategy and go-to-market plans to benefit from the fast growing Indian Climate tech market.


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