Sustainability dilemma of hemp utilization for energy production

Teirumnieka, Ērika; Patel, Nidhiben; Laktuka, Krista; Doļģe, Kristiāna; Veidenbergs, Ivars; Blumberga, Dagnija

doi:10.1016/j.nexus.2023.100213

Cited by 7 publications

(3 citation statements)

References 27 publications

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“…Sensitivity analysis has three steps. The calculation steps were taken from E. Teirumnieka et al's study [19].…”

Section: Multi-criteria Decision Analysismentioning

confidence: 99%

Ranking of Independent Small-Scale Electricity Generation Systems

Kramens,

Valtere,

Krigers

et al. 2024

Clean Technol.

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The EU’s energy targets are to achieve at least 32% renewables in the energy mix by 2030. Part of the solution is strengthening consumer rights by empowering individuals to generate their own electricity. The aim of this study was to identify the most suitable energy system for electricity generation of up to 50 kW in the EU residential sector. Multi-Criteria Decision Analysis was used to compare four systems: proton exchange membrane fuel cell with photovoltaic panels, photovoltaic panels, biomass-powered Stirling engine, and solar-powered Stirling engine. Based on the results, the most beneficial system for household electricity generation is the biomass-fueled Stirling engine system due to its affordability, reliability, and low environmental impact. Governments and businesses can use these findings to improve information for the residential sector and enable the transition to renewable energy.

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“…Sensitivity analysis has three steps. The calculation steps were taken from E. Teirumnieka et al's study [19].…”

Section: Multi-criteria Decision Analysismentioning

confidence: 99%

Ranking of Independent Small-Scale Electricity Generation Systems

Kramens,

Valtere,

Krigers

et al. 2024

Clean Technol.

Self Cite

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“…In other experiments, green hemp consisted of nearly 286,500 MJ ha −1 of energy [30]. Teirumnieka et al [56] highlighted that for short-term energy use, hemp cultivation could be a good alleviate, but for the long perspective, highvalue-added products from hemp should be produced. Thus, a ternary multi-crop could improve single hemp cultivation with the addition of higher energy output and net energy.…”

Section: Fuel Consumption and Energy Indicesmentioning

confidence: 99%

The Energy and Environmental Evaluation of Maize, Hemp and Faba Bean Multi-Crops

Romaneckas,

Švereikaitė,

Kimbirauskienė

et al. 2023

Agronomy

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Agriculture uses a lot of fuel, fertilizers, pesticides and other substances, while emitting large amounts of GHGs. It is important to optimize these inputs and outputs. One such way is by increasing crop biodiversity. For this reason, single crops and mixtures of maize, hemp and faba bean as binary and ternary crops were investigated at the Experimental Station of Vytautas Magnus University, Lithuania. The results showed that consumption of diesel fuel was 31–46% higher than in single and 22–35% higher than in binary cultivations was found in a ternary crop. This had influence on the highest energy input of near twice higher than in maize and hemp single crops and maize+hemp binary crop, but similar with binary crops with faba bean. Despite this, the productivity of the ternary crop and, at the same time, the energy output were 2–5 times higher than in other treatments. This compensated for higher energy inputs and the energy efficiency ratio. In the ternary crop, energy productivity was from 1.1 to 2.8 times higher and net energy was 1.9–5.3 times higher than in other tested cultivations. The highest total GHG emissions were obtained in binary maize+hemp and maize+faba bean cultivations (1729.84 and 2067.33 CO2eq ha−1). Ternary cultivation with the highest energy inputs initiated average GHG emissions of 1541.90 kg ha−1 CO2eq. For higher efficiency, the ternary crop could be sown and harvested in one machine pass. Faba beans should be included in ternary crops, as their biomass makes up a significant part of the total biomass produced. We recommend reviewing the intercropped faba bean seeding rates, as faba bean seeds have a high energy input equivalent.

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“…There were many reasons to choose specifically hemp fiber for this study. Today, industrial hemp (Cannabis sativa L.) is produced all over the world, having been farmed for many centuries [ 7 ]. It is among the earliest plants that have been utilized to produce food, clothing, and medicine [ 8 ].…”

Section: Introductionmentioning

confidence: 99%

3D printing of polypropylene reinforced with hemp fibers: Mechanical, water absorption and morphological properties

Sultan,

Skrifvars,

Khalili

2024

Heliyon

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Sustainability dilemma of hemp utilization for energy production

Cited by 7 publications

References 27 publications

Ranking of Independent Small-Scale Electricity Generation Systems

Ranking of Independent Small-Scale Electricity Generation Systems

The Energy and Environmental Evaluation of Maize, Hemp and Faba Bean Multi-Crops

3D printing of polypropylene reinforced with hemp fibers: Mechanical, water absorption and morphological properties

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