A review on the production of nitrogen-containing compounds from microalgal biomass via pyrolysis

Yu, Jianglong; Maliutina, Kristina; Tahmasebi, Arash

doi:10.1016/j.biortech.2018.08.127

Cited by 86 publications

(26 citation statements)

References 112 publications

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“…Because incineration is carried out in oxidizing atmosphere, the nitrogen-and sulfur-containing compounds in sewage sludge would convert to air pollutants NO x and SO x , causing major environmental problems such as acid rain and photochemical fog [46,47]. HCl and Cl 2 can also be detected in the flue gas while incinerating sewage sludge due to the presence of chlorine in the feedstock [48], which leads to corrosion of incinerator [49].…”

Section: Pollutants Emissionmentioning

confidence: 99%

Thermochemical conversion of sewage sludge for energy and resource recovery: technical challenges and prospects

Zhang

et al. 2021

Environmental Pollutants and Bioavailability

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Thermochemical processes are considered as a promising technology for sewage sludge management, which could achieve volume reduction, energy and resource recovery, and effective destruction of pathogens. However, there are still many technology limitations and challenges of the thermochemical processes toward industrialization and commercialization. This review first briefly discusses the impact of sewage sludge on environmental sustainability and its current treatment and disposal methods. Typical thermochemical conversion technologies i.e., incineration/combustion, pyrolysis, gasification, and hydrothermal liquefaction for energy and resource recovery from sewage sludge are then comprehensively summarized. Subsequently, the technical challenges of thermochemical conversion of sewage sludge and the solutions that have been and/or are being developed to address the challenges are in-depth analyzed. Meanwhile, the prospects and future directions of the thermochemical technologies are outlined. In addition, the economic analysis and life cycle assessment of thermochemical conversion technologies are evaluated. Finally, the conclusions are put forward.

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Section: Pollutants Emissionmentioning

confidence: 99%

Thermochemical conversion of sewage sludge for energy and resource recovery: technical challenges and prospects

Zhang

et al. 2021

Environmental Pollutants and Bioavailability

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“…In addition, the high proportion of N atoms in the bio-oil should also be removed to meet the standard of combustion fuel. With the aid of an appropriate catalyst, the pyrolytic pathway can be changed, and consequently the selectivity of products is influenced [97]. Generally, catalysts such as zeolite are frequently applied in catalytic pyrolysis, due to the high activity in deoxygenation, cracking, and dehydration [68,98].…”

Section: Catalytic Pyrolysis Of Algaementioning

confidence: 99%

Catalytic Thermochemical Conversion of Algae and Upgrading of Algal Oil for the Production of High-Grade Liquid Fuel: A Review

Zhou

2020

Catalysts

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The depletion of fossil fuel has drawn growing attention towards the utilization of renewable biomass for sustainable energy production. Technologies for the production of algae derived biofuel has attracted wide attention in recent years. Direct thermochemical conversion of algae obtained biocrude oil with poor fuel quality due to the complex composition of algae. Thus, catalysts are required in such process to remove the heteroatoms such as oxygen, nitrogen, and sulfur. This article reviews the recent advances in catalytic systems for the direct catalytic conversion of algae, as well as catalytic upgrading of algae-derived oil or biocrude into liquid fuels with high quality. Heterogeneous catalysts with high activity in deoxygenation and denitrogenation are preferable for the conversion of algae oil to high-grade liquid fuel. The paper summarized the influence of reaction parameters and reaction routes for the catalytic conversion process of algae from critical literature. The development of new catalysts, conversion conditions, and efficiency indicators (yields and selectivity) from different literature are presented and compared. The future prospect and challenges in general utilization of algae are also proposed.

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“…The employed nitrogen sources can be derived from ammonia, amines/amides pre-prepared by C-N coupling reactions (e.g., reductive amination, aminolysis, and amidation), [32][33][34][35][36] or natural N-reservoirs (e.g., chitin, proteins) for producing amines and derivatives (e.g., glucosamine, N-acetyl-D-glucosamine, amino acids). [37][38][39][40][41] Beginning from the accessible bio-based functional molecules, N-heterocycles can be constructed by C-N and/or C-C bond formation typically via three dominant synthetic routes including intramolecular cyclization, cycloaddition (e.g., aza-Diels-Alder), and multicomponent condensation reactions (Fig. 2).…”

Section: Introductionmentioning

confidence: 99%

Cycloamination strategies for renewable N-heterocycles

et al. 2020

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A review on the production of nitrogen-containing compounds from microalgal biomass via pyrolysis

Cited by 86 publications

References 112 publications

Thermochemical conversion of sewage sludge for energy and resource recovery: technical challenges and prospects

Thermochemical conversion of sewage sludge for energy and resource recovery: technical challenges and prospects

Catalytic Thermochemical Conversion of Algae and Upgrading of Algal Oil for the Production of High-Grade Liquid Fuel: A Review

Cycloamination strategies for renewable N-heterocycles

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