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Review solid-liquid separation challenges in coal liquefaction slurries and evaluate how heteroatom-driven molecular interactions affect filtration efficiency.

April 1, 1980Separation Science and Technology

Filtration of Slurries from Coal Liquefaction Processes

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Authors

DBDale E. BriggsIBM (United States)JCJohn CameronUniversity of East Anglia BHB. HoUniversity of Michigan

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Implication

Literature review reveals heteroatom interactions govern slurry rheology and cake resistance during coal liquefaction, highlighting key bottlenecks in solid-liquid separation.

Key Points

Review solid-liquid separation challenges in coal liquefaction slurries and evaluate how heteroatom-driven molecular interactions affect filtration efficiency.
Reviewed literature on the chemical characteristics of coal-derived asphaltenes and preasphaltenes, focusing on phenolic oxygen and basic nitrogen content.
Examined interfacial and rheological interactions between coal-derived liquid phases and suspended mineral solids during filtration.
Phenolic oxygen and basic nitrogen heteroatoms drive intermolecular associations that create colloidal behavior within coal-derived liquids.
Interactions between liquid phases and mineral solids govern slurry rheology, filtrate properties, specific cake resistance, and cake compressibility.

Cite This Study

Briggs et al. (1980) studied this question.

synapsesocial.com/papers/6a9e7b15d8a839f62537ff89 https://doi.org/10.1080/01496398008068481

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Implication

Literature review reveals heteroatom interactions govern slurry rheology and cake resistance during coal liquefaction, highlighting key bottlenecks in solid-liquid separation.

Filtration of Slurries from Coal Liquefaction Processes

Discussion

Member takes

Implication

Key Points

Cite This Study

Filtration of Slurries from Coal Liquefaction Processes

Discussion

Member takes

Implication

Key Points

Cite This Study

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