Investigation of CO<sub>2</sub> removal by immobilized carbonic anhydrase enzyme in a hollow‐fiber membrane bioreactor
Why this work is in the frame
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Bibliographic record
Abstract
Gas–liquid membrane contactors are compelling candidate bioreactors for implementing CO 2 capture because of large mass transfer rates and liquid–solid interfaces, low pressure drop, low axial dispersion and mixing, modularity, simple scale‐up or scale‐down, and operational suppleness. Binding the carbonic anhydrase (CA) enzyme on the membrane surface adds extra advantages due to the impressive large hydration turnover number and offers an attractive way for CO 2 capture. This novel approach to CO 2 removal by immobilized CA in a hollow‐fiber membrane bioreactor ( HFMB ) was investigated via a multiscale steady‐state model, under gas‐filled and partially liquid‐filled membrane pores conditions. The impact of CA loading, buffer acid‐base constant and concentration, membrane wetting, uncatalyzed/catalyzed CO 2 hydration in the wetted membrane zone, operating conditions, and cocurrent/countercurrent flow orientation on the HFMB performance was analyzed. The results showed that this low‐cost, green, and environmentally friendly technology could be an appealing alternative to CO 2 capture from stationary emissions sources. © 2017 American Institute of Chemical Engineers AIChE J , 63: 2996–3007, 2017
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it