Biomass Hydrogen Plant

GEMCO’s biomass based hydrogen plant utilizes renewable biomass as its raw material and employs pyrolysis gasification technology to produce hydrogen. This contributes to addressing energy crises and environmental pollution issues, providing customers with an efficient and environmentally friendly hydrogen energy solution.

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Biomass Based Hydrogen Production System

Hydrogen, as a clean energy source, is non-toxic, lightweight, and possesses excellent combustion properties, making it highly regarded worldwide. It not only has the highest calorific value among traditional fuels but is also widely recognized as an environmentally friendly energy choice. In this environmentally conscious era, GEMCO’s biomass hydrogen production system brings you innovative energy solutions.

hydrogen production facilitry

Transform Various Biomass Materials into Hydrogen

GEMCO’s biomass based hydrogen solution utilizes pyrolysis gasification technology, capable of processing various biomass feedstocks, including wood chips, rice husks, straw, coffee bean husks, fruit peels, coconut shells, and more. Through an efficient process, these biomass feedstocks are converted into high-purity hydrogen gas, with a maximum hydrogen production rate of up to 220 k/h.

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products and byproducts from biomass hydrogen system

Poly-Generation System with High-Value Byproducts

GEMCO biomass hydrogen production system is a poly-generation system. While it produces high-quality hydrogen gas, the system also generates high-value byproducts such as natural biochar, wood tar, wood vinegar, and more. This provides you with additional business opportunities and helps you maximize the utilization of biomass resources.

waste heat recovery gas boiler

Comprehensive Energy Utilization

To further enhance energy efficiency, GEMCO biomass hydrogen plant incorporates waste heat recovery devices and gas boilers. This means that you can not only produce clean hydrogen but also generate electricity and thermal energy through waste heat recovery, achieving comprehensive energy utilization and reducing energy costs.

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GEMCO Biomass Hydrogen Plant Advantages

Rich Experience & Mature System

With over two decades of experience in the field of biomass pyrolysis, our pyrolysis gasification technology has undergone extensive research and practical application, reaching a highly mature level that can provide you with efficient hydrogen production solutions. Our professional knowledge and experience will ensure the success of your project.

Low-Cost Hydrogen Production

Compared to traditional electrolysis-based hydrogen production methods, biomass pyrolysis hydrogen production offers significant cost advantages. The biomass waste used for production is cost-effective and can be sourced locally, and this technology consumes relatively less electricity, allowing you to produce hydrogen more economically.

Remote Monitoring and Safe Operation

Our system utilizes an advanced 5G intelligent management system, allowing you to remotely monitor the system’s operational status anytime through a PC or mobile terminal. Multiple access points collect control information, while the use of intelligent valves and multiple sensors ensures the system’s safe and stable operation. This advanced monitoring system enables you to efficiently manage and maintain the system.

Customized System to Fit Your Needs

GEMCO biomass gasification hydrogen production system adopts a framework structure, which not only enhances system stability but also significantly reduces the construction workload. We understand that each customer’s needs are unique, so we provide personalized customization services to ensure that the system perfectly aligns with your specific requirements and maximizes your benefits.

GEMCO Biomass Hydrogen Plant Design

biomass based hydrogen plant design
1. Crusher
2. Control Room
3. Gentry Crane
4. Raw Material Room
5. Hot Air Pipeline
6. Circulation Water Heat Exchange System
7. Automatic Feeder
8. Biomass Pyrolysis Reactor
9. Gas Purification System
10. Underground Tar Tank
11. Air Compressor
12. Membrane Filtration
13. Gas Buffertank
14.PSA Purification
15. Hydrogen Tank
16. Gas Distribution Tank
17. Gas Boiler
18. Internal Combustion Generator
19. Induced Draft Fan

1. Raw Material Pretreatment System

Before biomass feedstock enters the pyrolysis reactor, it must undergo initial processing steps such as drying and crushing. The purpose of this step is to prepare the raw material into a form suitable for subsequent gasification reactions, ensuring the efficiency and stability of the reaction.

2. Biomass Pyrolysis System

The pyrolysis reactor (gasifier) is the core equipment of the whole system. Inside the gasifier, biomass is heated at high temperatures in an oxygen-deficient environment, leading to its decomposition into synthesis gas (primarily composed of H2 and CO), tar, wood vinegar, and biochar.

3. Gas Purification System

After gasification, biochar is discharged as a byproduct, and the remaining gas-liquid mixture passes through a purification system. Impurities such as tar and wood vinegar are removed, resulting in a synthesis gas with a higher hydrogen content, which is suitable for hydrogen production.

4. Pressure Swing Adsorption (PSA) System

The synthesis gas initially undergoes membrane filtration and then enters the pressure swing adsorption system. This system utilizes microporous adsorbent materials with varying adsorption capacities, affinities, and adsorption quantities at different pressures for different gases. It separates hydrogen from the synthesis gas, resulting in high-purity hydrogen gas.

5. Waste Heat Recovery System

The waste heat recovery system is designed to capture the excess heat generated by the entire system, thereby improving energy efficiency. This surplus heat typically arises from the high-temperature exhaust gases of the gasification reaction and other heat sources. Through waste heat recovery, thermal energy can be reused to preheat raw materials or generate electricity and heat energy, reducing the overall energy costs.

6. Gas Boiler System

The gas boiler system is employed to handle the remaining gases, such as carbon monoxide and methane, present in the synthesis gas. These waste gases are introduced into the boiler and converted into electrical and thermal energy through combustion. This integrated utilization method reduces emissions of waste gases, lowers environmental impact, and enhances overall energy efficiency.

Biomass to Hydrogen Process

biomass based hydrogen production process

Biomass based hrdrogen production is a process in which biomass is indirectly heated in the absence of air and oxygen to undergo pyrolysis and be transformed into bio-tar, biochar, and synthesis gas. Further catalytic cracking of hydrocarbon substances, such as tar, results in hydrogen-rich gas, which is then separated to obtain hydrogen. This process is rather simple but the ustilization rate of biomass is very high. When using catalysts, the volume fraction of hydrogen in the synthesis gas can reach 30% to 50%.

Biomass pyrolysis hydrogen production involves two steps: 1) Biomass pyrolysis produces gas (synthesis gas rich in H2, CO, CH4), liquid (biomass tar), and solid (biochar) three-phase products. 2) Using the gas or bio-oil generated from pyrolysis to reform for hydrogen production.

Currently, the most widely used method is steam reforming. The residual biomass char is removed from the system after pyrolysis, and the pyrolysis products undergo a secondary high-temperature treatment. Under the action of catalysts and steam, heavy hydrocarbons with relatively larger molecular weights are cracked into gases such as H2, CO, CO2, and CH4, increasing the hydrogen content in the gas. The gas from the secondary cracking is then catalytically processed to convert carbon monoxide and methane into hydrogen. Finally, high-purity hydrogen is obtained using pressure swing adsorption or membrane separation technology.

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GEMCO Biomass Hydrogen Plant Parameters

Gasifier Model GM-SR4000GM-SR4300
Gasification Efficiency ≥75%≥75%
Raw Material Consumption5000kg/h6250kg/h
Syngas Production/H 11000Nm³13750Nm³
Biochar Production/H250-500kg313kg-625kg
Wood Tar/H 5%-8% of raw material weight5%-8% of raw material weight
Wood Vinegar/H 20%-25% of raw material weight20%-25% of raw material weight
Power Generation Capacity/H2MW/h2.5MW/h
Steam Generation/H2t3t
Heat Recovery From Circulating Water 300*10⁴ kcal380*10⁴ kcal
Heat Recovery From Exhaust Gas220*10⁴ kcal275*10⁴ kcal
Electrical Control DCSDCS
System Power Consumption450kw500kw
System Footprint1500m²1600m²

Biomass to Hydrogen Benefits


Hydrogen energy possesses significant advantages such as high energy density, high calorific value, abundant reserves, wide sources, and high conversion efficiency. Furthermore, it doesn’t produce any greenhouse gases or dust when burned, making it a truly clean energy source. Experts and scholars consider it one of the most promising energy sources, and technologies related to its production, storage, transportation, and application have become a focal point of attention in many countries today.

Biomass pyrolysis hydrogen production technology, as an emerging method for hydrogen production, addresses the issues of high electricity consumption and production costs associated with traditional water electrolysis for hydrogen production. Moreover, it aids in the management of agricultural and forestry waste, potentially evolving into a mainstream method for hydrogen production in the future.

Renewability & Carbon Neutrality

Biomass is a renewable resource primarily composed of organic waste. The process of producing hydrogen from biomass does not generate additional carbon emissions, making it possible to achieve carbon neutrality.

Waste Management

Biomass hydrogen production can effectively process agricultural waste and other organic materials, converting them into useful hydrogen while simultaneously reducing waste accumulation and environmental pollution.

Regional Applicability

Biomass resources are widely distributed, allowing biomass hydrogen production to take place in many regions. This reduces reliance on specific geographical conditions and contributes to decentralized and local energy production.

Multi-Product Generation

Biomass pyrolysis hydrogen production yields not only hydrogen but also high-value byproducts like biochar, wood tar, methane, and more. These byproducts can find applications in various fields.

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