Potential U.S. Production of Liquid Hydrocarbons From Biomass With Addition of Massive External Heat and Hydrogen Inputs

GCB Bioenergy, Год журнала: 2025, Номер 17(2)

Опубликована: Янв. 28, 2025

ABSTRACT We estimate the U.S. potential to convert biomass into liquid hydrocarbons for fuel and chemical feedstocks, assuming massive low‐carbon external heat hydrogen inputs. The is first a carbon feedstock only secondarily an energy source. This analysis done three estimates of available derived from 2023 Department Energy/U.S. Agriculture “Billion‐Ton Report” two augmented cases with maximum annual production 1326, 4791, 5799, 7432, 8745 million barrels diesel equivalent per year five cases. Constraints, such as assuring long‐term soil sustainability by recycling nutrients some back soils, result in being 70%–80% these numbers. currently consumes about 6900 year. Long‐term hydrocarbon consumption are between 50% 75% current consumption. External additions conversion processes are, respectively 25, 91, 111, 142, 167 tons system strongly negative because nutrient soils improve productivity.

Язык: Английский

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Highly collaborative of wasted activated sludge deconstruction and incineration gas utilization in the presence of nitrogen oxides

Journal of Cleaner Production, Год журнала: 2025, Номер unknown, С. 144927 - 144927

Опубликована: Фев. 1, 2025

Язык: Английский

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A machine learning approach to feature selection and uncertainty analysis for biogas production in wastewater treatment plants

Waste Management, Год журнала: 2025, Номер 197, С. 14 - 24

Опубликована: Фев. 21, 2025

Язык: Английский

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Will Dissolved Hydrogen Reveal the Instability of the Anaerobic Digestion Process?

Processes, Год журнала: 2025, Номер 13(1), С. 126 - 126

Опубликована: Янв. 6, 2025

Dissolved hydrogen is a critical factor in maintaining the delicate balance among microbial species that drive anaerobic digestion. Since previous findings have demonstrated correlation between dissolved concentration and volatile fatty acid (VFA) levels, we propose to evaluate use of digestate as an alternative traditional VFA measurements. The aim determine whether could serve faster, more accurate, efficient indicator process instability An integral part this task also involves addressing technical challenge identifying suitable sensor meets our requirements. In study, evaluated ratio Total Inorganic Carbon potential stability indicator, Volatile Fatty Acids/Total (VFA/TIC), referred Flüchtige Organische Säuren/Totales Anorganisches Carbonat (FOS/TAC). single-stage digestion was carried out Terrafors IS rotary drum bioreactor for 150 days at average temperature 40 °C organic load 0.092 kg m−3 d−1. Corn silage dosed on weekdays substrate. With theoretical retention time 45 days, biogas production 0.219 Nm3kgVs−1 with CH4 content 31.6% achieved. values determined VFA/TIC ranged from 0.22 5.66, highest obtained when reactor overloaded. 0.005–0.196 mg dm−3. Pearson coefficient 0.337 Spearman 0.468. amperometric microsensor has proven be unsuitable field applications due its lack sensitivity short lifetime. proposed TIC did not prove significantly effective than established indicator.

Язык: Английский

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Impact of anaerobic co‑digestion of ryegrass (RG) and cow manure (CM) on methane production and Kinetic analysis

Results in Engineering, Год журнала: 2025, Номер unknown, С. 104028 - 104028

Опубликована: Янв. 1, 2025

Язык: Английский

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An Effective Energetic Application of Orange Waste in Multi-Component Co-Digestion with Municipal Sewage Sludge

Applied Sciences, Год журнала: 2025, Номер 15(3), С. 1537 - 1537

Опубликована: Фев. 3, 2025

A strategy allowing for the application of orange waste (OW) in anaerobic co-digestion with municipal sewage sludge (MSS) has been proposed. For this purpose, introduction an additional component represented by ice-cream processing (IPW) chosen. The experiment was conducted batch mode at a temperature 37 °C. Four series were conducted: S1—the mono-digestion MSS; S2—two-component MSS and 1.5 g OW; S3—two-component 1.0 IPW; S4—three-component MSS, IPW, OW. obtained results indicate that highest methane production achieved presence IPW two- three-component mixtures (S3 S4). It also accompanied improved kinetics, enhanced organic removal, stable process performance. related yields 407.6 401.6 mL/g VS S3 S4, respectively. In turn, S1 S2, parameter established level 351.3 344.3 VS. Additionally, as compared to (S1), energy profit 54 62% possibility effective management OW recovery digestion (AD).

Язык: Английский

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Performance and Kinetics of Anaerobic Digestion of Sewage Sludge Amended with Zero-Valent Iron Nanoparticles, Analyzed Using Sigmoidal Models

Energies, Год журнала: 2025, Номер 18(6), С. 1425 - 1425

Опубликована: Март 13, 2025

Sewage sludge was treated with nanoscale zero-valent iron (nZVI) to enhance biogas and methane (CH4) production, the influence of key parameters on material’s anaerobic digestion (AD) efficiency analyzed using sigmoidal mathematical models. In this study, three dosages nZVI (0.5%, 1.5% 3%) were added system accelerate decomposition process. The results showed that cumulative yield after 41 days increased by 23.9% in reactor a dosage 1.5%. Correspondingly, highest CH4 production enhancement 21.5% achieved compared control. indicated optimal for AD system, as it governed yields maximum removal total volatile solids. Additionally, predict evaluate kinetic parameters, eight models applied. According modified Gompertz, Richards logistic models, shortened lag phase from 11 5 Schnute model provided best fit experimental data due coefficients determination (R2: 0.9997–0.9999 at 3% dosages), well lowest Akaike’s Information Criterion values errors. This demonstrated its superior performance other

Язык: Английский

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Anaerobic treatment of refractory industrial organic wastewater: A review of bioenergy recovery and low-carbon nitrogen removal toward carbon neutrality

Journal of Water Process Engineering, Год журнала: 2025, Номер 72, С. 107515 - 107515

Опубликована: Март 23, 2025

Язык: Английский

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Wastewater Management Challenges and Solutions in Tanzania: A Case Study of Dar es Salaam City

European journal of ecology, biology and agriculture., Год журнала: 2025, Номер 2(2), С. 68 - 82

Опубликована: Март 1, 2025

This study investigates the wastewater management challenges and solutions in Dar es Salaam, Tanzania, amidst rapid urbanization population growth. largest city is experiencing severe difficulties due to inadequate infrastructure, insufficient financial resources, ineffective governance, lack of proper planning. As has surged from 3.87 million 2010 an estimated 8.56 by 2025, volume generated overwhelmed existing treatment facilities, resulting untreated sewage being discharged into local water bodies. situation poses significant public health risks contributes environmental degradation. The research highlights need for improved practices explores various innovative technologies, such as Anaerobic Digestion (AD), that can address these pressing challenges. It also underscores importance community engagement, robust regulatory frameworks, sustainable funding mechanisms enhance effectiveness strategies. concludes a holistic approach essential realizing improvements, thereby safeguarding securing resources rapidly growing Salaam.

Язык: Английский

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Optimizing biomethane production and plants growth with biochar-enhanced anaerobic digestion

Results in Engineering, Год журнала: 2025, Номер unknown, С. 104883 - 104883

Опубликована: Апрель 1, 2025

Язык: Английский

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