Improved conversion of residual MSW biomass waste to sugars using online process monitoring and integrated contamination control

Barba, Fernando Climent; Chacón, Micaela G.; Reynolds, William R.; Puri, Dhivya; Bourne, Richard A.; Blacker, A. John

doi:10.1016/j.biteb.2020.100612

Cited by 3 publications

(2 citation statements)

References 42 publications

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“…It to a significant loss in biohydrogen generation. 6 As a result, to reduce the risk of generating interfering inhibitors, and to decrease the process time and cost for large-scale plants, most of the research has been focused on the removal of microorganism contamination, and less attention has been paid to the effect of other particles such as MPs, which may be in the biomass before its treatment. In this Review, we tried to demonstrate the importance of the presence of MPs in the biomass, which is employed for biohydrogen generation.…”

Section: Introductionmentioning

confidence: 99%

“…Both marine and land-based biomasses have been used for gasification; of them, the most common are edible crops (sugar beet, sugar cane, grains, and wheat), nonfood plant, seagrass, and seaweed. It has been observed that any microbial contamination can lead to a significant loss in biohydrogen generation . As a result, to reduce the risk of generating interfering inhibitors, and to decrease the process time and cost for large-scale plants, most of the research has been focused on the removal of microorganism contamination, and less attention has been paid to the effect of other particles such as MPs, which may be in the biomass before its treatment.…”

Section: Introductionmentioning

confidence: 99%

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Effect of Microplastics Pollution on Hydrogen Production from Biomass: A Comprehensive Review

Kaykhaii

Honarmandrad

Gębicki

2023

Ind. Eng. Chem. Res.

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Hydrogen production from biomass and organic wastes is considered as a potential alternative energy source and is known as a clean and CO2-free fuel energy carrier. H2 is considered very promising among the other energy sources; therefore, the effective conversion of biomass and organic solid waste to this secondary energy source is urgently sought. As a result, it is of importance to assess the impact of the existence of microplastics (MPs) pollution in biomass during its fermentation. It was found that, besides the number of plastic particles present in biomass, the size of them plays the most important role in the yield of hydrogen. While plastics in nanoparticle sizes always suppress the production of H2, depending on their concentration, MPs may increase or reduce it. For example, the presence of 60 particles/L of micrometer-sized polyethylene terephthalate reduces hydrogen production by 30%, while 200 particles of it yields 63.6% more hydrogen. This Review examines all available literature on the effects of the presence of various MPs on biohydrogen production.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Effect of Microplastics Pollution on Hydrogen Production from Biomass: A Comprehensive Review

Kaykhaii

Honarmandrad

Gębicki

2023

Ind. Eng. Chem. Res.

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Forest Resource Availability After Nuclear War or Other Sun‐Blocking Catastrophes

Winstead

Jacobson

2022

Earth's Future

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A global, sun‐blocking catastrophe like nuclear war, an asteroid strike, or a super volcano eruption spells disaster for most aspects of life as we know it. There have been many studies on how differing magnitudes of sun‐blocking catastrophes would affect the global climate, and many mention the effects of this cold, dark climate on forests and cropping systems. However, few studies have solely focused on the effects of nuclear winter on forests in terms of food, resources, and decomposition. Forests already provide over a billion people with food and fuel for their livelihoods. In this review, we connect how prehistoric catastrophes affected the world's forests to how a current‐day catastrophe may affect forest health, forest resource availability, and wood decomposition rates. We briefly discuss how forest resources may be used in this post‐catastrophe climate for food and fuel in an energy and fuel‐depleted world. We use this information to make policy and education suggestions to prepare for future catastrophes, build resilience from smaller local disasters, prepare for the many effects of climate change, and discourage nuclear weapon stockpiles.

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A Simple Techno-Economic Assessment for Scaling-Up the Enzymatic Hydrolysis of MSW Pulp

et al. 2022

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A techno-economic assessment (TEA) of enzymatic hydrolyses of a municipal solid waste (MSW)-derived pulp was performed to compare various bioprocessing configurations for the production of platform sugars at both pilot and demonstration scales (two-stage continuous, batch, and two-stage fed-batch). The configurations modeled used either rotary drum and/or continuous stirred tank reactors. By using reaction kinetics and public vendor’s quotes, economic analyses were calculated for each of the proposed systems: capital expenditure (CapEx); operation expenditure (OpEx); revenue and profit; return on investment (ROI); and payback period (PP). The TEA showed that a two-stage continuous configuration with a total residence time of 54 h (6 and 48 h for primary and secondary stages) was the best option for obtaining sugars, showing sevenfold higher enzyme productivity and better profit than the reference systems. Although pilot-scale enzymatic hydrolysis demonstrated an unprofitable process, this was mainly due to the high associated enzyme cost. Increasing the scale diminished this problem, leading to higher profit per processed unit (£/kg lignocellulosic sugars). From an investment perspective, the two-stage 6/48 configuration gave a more attractive ROI and PP than the other designs.

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Improved conversion of residual MSW biomass waste to sugars using online process monitoring and integrated contamination control

Cited by 3 publications

References 42 publications

Effect of Microplastics Pollution on Hydrogen Production from Biomass: A Comprehensive Review

Effect of Microplastics Pollution on Hydrogen Production from Biomass: A Comprehensive Review

Forest Resource Availability After Nuclear War or Other Sun‐Blocking Catastrophes

A Simple Techno-Economic Assessment for Scaling-Up the Enzymatic Hydrolysis of MSW Pulp

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