Ethylene Removal
Ethylene Removal - Related Videos
04:20
Investigating the Bacterial Response to Ethylene Using an Ethylene-Releasing Compound
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2025
Source: Augimeri, R. V. et. al., Utilizing the Ethylene-releasing Compound, 2-Chloroethylphosphonic Acid, as a Tool to Study Ethylene Response in Bacteria. J. Vis. Exp. (2016)This video demonstrates the effect of ethylene generated by 2-chloroethylphosphonic acid (CEPA) on bacterial growth and cellulose production. Ethylene activates signaling pathways that stimulate cellulose synthesis, resulting in enhanced pellicle formation. These results highlight the bacterial response to ethylene.
08:51
Utilizing the Ethylene-releasing Compound, 2-Chloroethylphosphonic Acid, as a Tool to Study Ethylene Response in Bacteria
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Cited by 1 •
2016
The protocols outlined herein facilitate the convenient investigation of bacterial ethylene responses by utilizing 2-chloroethylphosphonic acid (CEPA). Ethylene is produced in situ through the decomposition of CEPA in an aqueous bacterial growth medium, circumventing the requirement for pure ethylene gas.
08:56
Catalytic Reactor: Hydrogenation of Ethylene
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2023
Source: Kerry M. Dooley and Michael G. Benton, Department of Chemical Engineering, Louisiana State University, Baton Rouge, LA The hydrogenation of ethylene (C2H4) to ethane (C2H6) has often been studied as a model reduction reaction in characterizing new metal catalysts.1-2 While supported nickel is not the most active metal catalyst for this reaction, it is active enough that reaction can take place at < 200°C. The reaction typically involves adsorbed, dissociated hydrogen (H2) reacting...
07:28
Ethylene Polymerizations Using Parallel Pressure Reactors and a Kinetic Analysis of Chain Transfer Polymerization
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2015
A protocol for the high-throughput analysis of polymerization catalyst, chain transfer polymerizations, polyethylene characterization, and reaction kinetic analysis is presented.
06:00
Cryopreservation of Mouse Embryos by Ethylene Glycol-Based Vitrification
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Cited by 17 •
2011
An ethylene glycol-based vitrification method for mouse embryos is described. It is advantageous to other methods in its simplicity and low embryonic toxicity, and therefore can be broadly applicable to many strains of mice, including inbred and gene-modified mice.
FAQs
These approaches remove ethylene through different chemical pathways. Adsorption holds molecules on the surface of a porous material, whereas absorption transfers them into a reactive solution. Oxidation chemically converts ethylene into less reactive compounds, and catalytic systems promote its breakdown. The distinction matters because removal depends on the interaction between ethylene and the treatment medium.
Potassium permanganate functions as an oxidant rather than merely a storage surface. It reacts with ethylene and converts it into less reactive compounds, reducing the gas available to influence nearby produce or flowers. This chemistry makes oxidation-based removal distinct from passive capture, where ethylene is retained by a porous material without the same conversion pathway.
Performance is governed by the conditions inside the enclosure. Ethylene concentration affects the amount that must be removed, while humidity and temperature can influence how the treatment operates. Contact time determines how long ethylene remains exposed to an adsorbent, absorbent, oxidant, or catalyst. Considering all four variables helps explain why one treatment may work differently under different storage conditions.
A practical workflow begins by identifying the enclosed environment and the ethylene-control goal, then selecting adsorption, absorption, oxidation, or catalysis as the relevant removal approach. The treatment must remain in contact with the enclosed atmosphere for sufficient time, while concentration, humidity, and temperature are considered. This framework supports consistent control rather than relying on a single universal treatment.
Postharvest systems apply ethylene removal to fruits, vegetables, and flowers because controlling the gas can extend storage life and reduce spoilage. The same principle helps protect ethylene-sensitive materials in enclosed environments. These applications connect chemical processes such as oxidation and adsorption with preservation outcomes in postharvest technology.
Within controlled-atmosphere packaging, ethylene removal works as one part of an environment-control strategy. Adsorbents, reactive solutions, oxidants, or catalytic systems can reduce the gas inside the package. Effectiveness still depends on concentration, humidity, temperature, and contact time, so packaging performance must be considered together with the selected removal mechanism.
An appropriate approach depends on whether the goal is to capture ethylene or chemically transform it. Porous materials provide adsorption, reactive solutions provide absorption, and potassium permanganate or other oxidizing systems support conversion into less reactive compounds. Catalytic systems offer another breakdown route. Comparing these mechanisms helps match the treatment to storage or material-protection needs without treating all removers as equivalent.