Demir, Ozge; Gok, Asli; Uslu, Hasan; Kirbaslar, Sah Ismail published an article about the compound: Tri-n-octylphosphine Oxide( cas:78-50-2,SMILESS:CCCCCCCCP(CCCCCCCC)(CCCCCCCC)=O ).Related Products of 78-50-2. Aromatic heterocyclic compounds can be classified according to the number of heteroatoms or the size of the ring. The authors also want to convey more information about this compound (cas:78-50-2) through the article.
Cis,cis-Muconic acid falls under the category of carboxylic acids and finds application mostly in biodegradable polymers, agrochems., and the food industry. Owing to the high thermal reactivity based upon the two-terminal carboxylic groups present in their structure, the chem. industry has widely used carboxylic acids. The major obstacle encountered during the production of carboxylic acids is their recovery from aqueous solutions and fermentation media. Therefore, the recovery of HccMA by reactive extraction as a particular product capture method, using tri-n-octylphosphine oxide (TOPO) and tri-Bu phosphate (TBP) in organic diluents such as 1-butanol, isoamyl alc., Me Et ketone (MEK), Me iso-Bu ketone (MIBK), diisobutyl ketone, isobutanol, n-hexane, di-Me glutarate, Et propionate, and di-Et carbonate (DEC) was executed in this study. This method was exptl. conducted to explore the most proper extractant and diluent combination. Extraction experiments were also conducted with pure diluents alone to examine the extractant effect on the extraction system. The important extraction parameters like distribution coefficient (KD), extraction efficiency (E %), loading ratio (Z), dimerization constant (D), partition coefficient (P), and complexation constant (KE11) were determined Mass action law model interpreted the obtained results. For HccMA/TOPO extraction system, the maximum extraction efficiency was found 93.19% in the presence of n-hexane as a diluent. For HccMA/TBP extraction system, the maximum extraction efficiency was found 90.37% in the presence of Et propionate as a diluent. Thermodn. studies at variable temperatures were also carried out to estimate ΔH, ΔS, and ΔG of the process. To investigate the feasibility of designing a counter-current liquid-liquid extraction column, the number of theor. stages (NTS) were assessed by theodified Kremser equation and found between 3 and 5 to et the desired extraction efficiency.
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Reference:
Chapter 1 An introduction to palladium catalysis,
Palladium/carbon catalyst regeneration and mechanical application method