Articles with "high ash" as a keyword



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Low-quality animal by-product streams for the production of PHA-biopolymers: fats, fat/protein-emulsions and materials with high ash content as low-cost feedstocks

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Published in 2020 at "Biotechnology Letters"

DOI: 10.1007/s10529-020-03065-y

Abstract: Objective The rapid accumulation of crude-oil based plastics in the environment is posing a fundamental threat to the future of mankind. The biodegradable and bio-based polyhydroxyalkanoates (PHAs) can replace conventional plastics, however, their current production… read more here.

Keywords: fat protein; production; pha; high ash ... See more keywords

Gasification of high-ash Indian coal in bubbling fluidized bed using air and steam – An experimental study

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Published in 2017 at "Applied Thermal Engineering"

DOI: 10.1016/j.applthermaleng.2017.01.102

Abstract: Abstract In this experimental study, gasification characteristics of Indian coals having high ash content (>35%) in a bubbling fluidized bed reactor, using air and steam as the gasification agents under atmospheric pressure, are presented. The… read more here.

Keywords: air steam; air; high ash; gasification ... See more keywords

Study on the characteristics of microwave pyrolysis of high-ash sludge, including the products, yields, and energy recovery efficiencies

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Published in 2018 at "Energy"

DOI: 10.1016/j.energy.2017.12.085

Abstract: Abstract The pyrolysis residues of high-ash sludge are rich in the metallic oxides of silicon (Si), iron (Fe), and aluminum (Al), enabling high-ash sludge to achieve complete pyrolysis without the addition of wave-absorbing materials. Therefore,… read more here.

Keywords: ash sludge; energy; pyrolysis; high ash ... See more keywords

Modification of ash fusion behavior of coal with high ash fusion temperature by red mud addition

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Published in 2017 at "Fuel"

DOI: 10.1016/j.fuel.2016.12.012

Abstract: Abstract The influences of two red mud (RM) samples (ZZ and ZM) on fusion behaviors of three high ash fusion temperature (AFT) coals (FZ, JC and JZ) were investigated. It was evaluated by determining AFTs… read more here.

Keywords: red mud; high ash; fusion; coal ... See more keywords

Fast pyrolysis of cellulosic ethanol solid residues with high ash and lignin contents in a fluidized bed

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Published in 2017 at "Journal of Analytical and Applied Pyrolysis"

DOI: 10.1016/j.jaap.2017.10.008

Abstract: Abstract Pyrolysis of corn stalk residue (CSR) and cassava rhizome residue (CRR) to produce bio-oil were investigated using a fluidized bed reactor. Both feedstocks possessed low volatile matters and high ash contents. The results showed… read more here.

Keywords: residues high; pyrolysis; lignin; high ash ... See more keywords

Evaluation of feasibility of pelletized wood co-firing with high ash Indian coals

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Published in 2018 at "Journal of the Energy Institute"

DOI: 10.1016/j.joei.2017.06.011

Abstract: Abstract To reduce anthropogenic CO 2 emissions from power plants, biomass is an immediate alternative fuel which has similar properties as coal. In this regard, the present study discusses about pelletized wood (PW) co-firing with… read more here.

Keywords: wood firing; firing high; high ash; pelletized wood ... See more keywords

Chemical Beneficiation of High-Ash Indian Noncoking Coal by Alkali Leaching under Low-Frequency Ultrasonication

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Published in 2018 at "Energy & Fuels"

DOI: 10.1021/acs.energyfuels.7b03291

Abstract: Coal mined from the Talcher region of Odisha, India is known to be high-ash, surface-oxidized, and noncoking in nature. It is quite challenging to beneficiate such low-grade coal by physical or physicochemical processes due to… read more here.

Keywords: ash indian; high ash; low frequency; ash ... See more keywords

Regulation of Ash Fusibility Characteristics for High-Ash-Fusion-Temperature Coal by Bean Straw Addition

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Published in 2018 at "Energy & Fuels"

DOI: 10.1021/acs.energyfuels.8b01013

Abstract: The effects of bean straw (BS) on ash fusion behaviors of coals (Jiaozuo (JZ) and Zaozhuang (ZZ)) with high ash fusion temperature (AFT) and the regulating mechanism were investigated from the perspectives of ash chemical… read more here.

Keywords: high ash; ash fusion; ash; fusion temperature ... See more keywords

Effective Separation of High-Ash Fine Coal Using Water Containing Positively Charged Nanobubbles and Polyaluminum Chloride

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Published in 2022 at "ACS Omega"

DOI: 10.1021/acsomega.1c05751

Abstract: The coal industry is facing the challenge of treating high-ash fine coal. In this study, we proposed an effective method to handle high-ash fine coal using water containing positively charged nanobubbles (PCNBs) and polyaluminum chloride… read more here.

Keywords: ash fine; high ash; water; coal ... See more keywords

Modeling and development of technology for smelting a complex alloy (ligature) Fe-Si-Mn-Al from manganese-containing briquettes and high-ash coals

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Published in 2024 at "Scientific Reports"

DOI: 10.1038/s41598-024-57529-6

Abstract: Investigation of the possibility of obtaining a complex master alloy used in the deoxidation of steel, smelted from substandard manganese-containing materials, briquettes, and high-ash coals in ore-thermal electric furnaces. Thermodynamic modeling was carried out using… read more here.

Keywords: briquettes high; high ash; manganese containing; ligature ... See more keywords
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Grindability Studies on Blended Coals of High-Ash Indian Coals with Low-Ash Imported Coals

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Published in 2018 at "International Journal of Coal Preparation and Utilization"

DOI: 10.1080/19392699.2017.1281254

Abstract: ABSTRACT The study investigates the Hardgrove Grindability Index (HGI) values for binary blends of high-ash Indian coals and low-ash imported coals. The coals were selected in such a way that their grindability values were not… read more here.

Keywords: ash indian; grindability; high ash; indian coals ... See more keywords