Gas‐to‐liquids processes: Preface

Patience, Gregory S.; Boffito, Daria C.

doi:10.1002/cjce.22425

Cited by 19 publications

(40 citation statements)

References 12 publications

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“…Further, mechanisms of catalyst deactivation have been broadly categorized as: (i) intrinsic deactivation, characterized by aging or sintering over time‐on‐stream (TOS); (ii) reversible deactivation as a result of blocked active sites of the catalyst (e.g., carbon deposition); and (iii) irreversible deactivation by chemical transformation of the catalyst surface due to poisoning (e.g., sulphur contaminants such as H 2 S) . It has been noted that feed‐gas impurities such as water vapour and NH 3 may increase selectivity towards the formation of CO 2 and coke, partially deactivating the catalysts that become unstable online, but can be recovered entirely . Such contaminants must be removed.…”

Section: Introductionmentioning

confidence: 99%

Activation and deactivation scenarios in a plasma‐synthesized Co/C catalyst for Fischer‐Tropsch synthesis

Aluha

Abatzoglou

2018

Can J Chem Eng

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A carbon‐supported cobalt nano‐catalyst (Co/C) synthesized through plasma was tested for Fischer‐Tropsch activity. Catalyst deactivation and activation protocols studied included in situ sample pre‐treatment at 673 K in gas flowing at the rate of 250 cm3 · min−1 in: (a) H2 only, (b) CO only, and (c) CO followed by H2, with each cycle lasting 24 h. The so‐treated catalyst samples were then tested for FTS activity for over 50 h of time‐on‐stream (TOS), at 2.2 MPa pressure and 493 or 518 K temperature in a 3‐phase continuously‐stirred tank slurry reactor (3‐φ‐CSTSR) using squalane (C30H62) as the carrier liquid phase. The feed gas composition of molar H2:CO = 1.7 comprising 50 % H2, 30 % CO, and 10 % CO2 balanced in Ar for mass balance determination, flowing at a gas hourly space velocity (GHSV) of 3360 cm3 · h−1 · g−1 of catalyst. Fresh catalysts and those reduced by CO‐only were completely inactive at 493 K and initial inactivity was attributed to the excessive C matrix formed around the metal nanoparticles during catalyst synthesis. The sample that was reduced by H2 only was the most active, although it showed the fastest declining activity due to cumulative high H2O vapour pressure in the FTS reactor, while the sample pre‐treated in both CO and H2 demonstrated a higher degree of stability with TOS.

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Section: Introductionmentioning

confidence: 99%

Activation and deactivation scenarios in a plasma‐synthesized Co/C catalyst for Fischer‐Tropsch synthesis

Aluha

Abatzoglou

2018

Can J Chem Eng

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“…Good orators repeat their message to help the audience retain it; good writers do not. Articles should be precise (little boosting), concise (trim the hedges), active, [34] vigorous, [20] and straightforward.…”

Section: Discussionmentioning

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“…. (Figure 1) [20] a new improved algorithm an improved algorithm represents a possible alternative is an alternative very unique unique we calculated yield the yield was A median filter was applied to remove as much of the background noise as possible (Figure 6c). [21] [p. 2070]…”

Section: Redundantmentioning

confidence: 99%

How do you write and present research well? Q4 – Do not metastasize with metadiscourse

2015

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In the classic writing style, writers recognize that readers are competent and will recognize the truth as you lead them through your work. Soggy prose seeks “to argue for the truth.”[1] Your text should read like a conversation rather than a lecture. Match each sentence with one of the cardinal sins of writing to the left.[2,3] (Multiple choices possible) 1 Hedgingb)In general these results show that a system with zero‐cost identities does not require centralized allocation of identities to encourage cooperation.[4]2 Signpostingf)In this section we shall evaluate the rate of recombination for nonequilibrium conditions.[5]3 Redundantc)Here we report our new results on the samarium‐arsenide.[6]4 Self‐conscious, 6 Boostinge)Whether established pests are suitable for attempted eradication is extremely controversial.[7]5 Narcissismd)More recently researchers have attempted to quantify the effects of anxiety on foreign language learning.[8]6 Boostinga)These results are extremely significant statistically and compare favorably with validation studies.[9]

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“…Passive voice (Replace 007 with an Explicit Agent [4] ) 3. Activating verbs (Shave Your Text with Occam's Razor [5] ) 4. Metadiscourse (Do Not Metastasize with Metadiscourse [6] ) 5.…”

Section: Introductionmentioning

confidence: 99%

“…Metadiscourse (Do Not Metastasize with Metadiscourse [6] ) 5. Sentence length (Revise Sentences over 30 Words Long [7] )…”

Section: Introductionmentioning

confidence: 99%

How do you write and present research well? 7—Cite to get cited

Patience

Boffito

et al. 2016

Can J Chem Eng

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Q7 We cite other researchers to recognize their contribution, educate, and establish the foundation of the research. References should balance recent breakthroughs with past contributions. Between 2011 and 2014, Nature published over 3200 articles and letters that referenced 113 000 papers. What is the average age of the references in these papers (the difference between the year Nature published the paper and the year the cited article was published)?[1] 4 6 bold-italic8 10 12

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Gas‐to‐liquids processes: Preface

Cited by 19 publications

References 12 publications

Activation and deactivation scenarios in a plasma‐synthesized Co/C catalyst for Fischer‐Tropsch synthesis

Activation and deactivation scenarios in a plasma‐synthesized Co/C catalyst for Fischer‐Tropsch synthesis

How do you write and present research well? Q4 – Do not metastasize with metadiscourse

How do you write and present research well? 7—Cite to get cited

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