Flux Decline in Polyetherimide Microfiltration Membranes for Synthetic Water Clarification

Evelin Campos Verdolin Brandão's research paper describes experimental data on polyetherimide microfiltration membranes prepared by phase inversion. The study addresses membrane properties, including pore sizes ranging from 1.2 to 10.4 µm, and performance in dead-end and tangential flow filtration of synthetic produced water, showing flux declines of 97.3% and 89.5% respectively. The work investigates pore blocking mechanisms using Hermia models and reports rejection rates higher than 95.5%.

Use Cases

• Modeling flux decline mechanisms based on described Hermia models and filtration modes.
• Comparing membrane performance based on pore size, structure, and filtration mode (dead-end vs. tangential flow).
• Analyzing the relationship between membrane preparation kinetics and resulting morphology for process optimization.
• Evaluating long-term microfiltration potential based on reversible and irreversible flux decline data.

Strengths

• Specific quantitative results are provided, including pore size range (1.2 to 10.4 µm) and flux decline percentages (89.5% and 97.3%).
• The description details the experimental methods, including membrane preparation (phase inversion) and characterization techniques (SEM, microfiltration tests).
• Performance metrics are clearly stated, such as a rejection rate higher than 95.5% addressed by turbidity.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Last update date is unknown; freshness unverified.

Provenance

Source

Evelin Campos Verdolin Brandão via paperswithcode

Collection Method

Experimental data from laboratory preparation and testing of microfiltration membranes.