Tributyl citrate production via reactive distillation: Model reconciliation, optimization, scale up and sustainability indicators

Santaella, Miguel A.; Gutiérrez, María F.; Orjuela, Álvaro

doi:10.1016/j.cej.2021.133199

Cited by 7 publications

(6 citation statements)

References 16 publications

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“…Nevertheless, the proposed method in the presence of inexpensive protic ILs offers the synthesis of TBC at the lowest temperature and shortest reaction time with improved yields (> 99 %), and high selectivity of up to 99 %, resulting from negligible yield of dibutyl or monobutyl citrates, resulting from the optimization of the reaction conditions (reactions of indirect esterification to mono-and diesters are relatively very fast. [46,52,53,68,69]…”

Section: Catalysts Scope In Tbc Synthesismentioning

confidence: 99%

“…[39][40][41] Moreover, TBC is useful as a solvent in the manufacturing of inks and coatings. [42] Tributyl citrate is typically synthesized via esterification of citric acid with 1butanol (BuOH) in the presence of a catalyst commonly sulfuric acid, p-toluenesulfonic acid, [43,44] ion-exchange resin [45][46][47] and supported [48][49][50] or solid acids. [51] Once the reaction is complete, the TBC is typically purified by distillation to remove any remaining water and unreacted starting materials.…”

Section: Introductionmentioning

confidence: 99%

“…Especially, neutralization of the homogenous catalysts is needed. [46,51] Other promising method for TBC production involves reactive distillation. [46,52,53] Consequently, there is an interest in the exploration of alternative catalysts that possess exceptional activity, selectivity, and stability, while simultaneously addressing the challenges arising from the utilization of conventional acids.…”

Section: Introductionmentioning

confidence: 99%

“…Conventional production approaches suffer from product purification from the catalyst and resulting waste generation. Especially, neutralization of the homogenous catalysts is needed [46,51] . Other promising method for TBC production involves reactive distillation [46,52,53] …”

Section: Introductionmentioning

confidence: 99%

“…Especially, neutralization of the homogenous catalysts is needed [46,51] . Other promising method for TBC production involves reactive distillation [46,52,53] …”

Section: Introductionmentioning

confidence: 99%

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Water‐Doped Brønsted Acidic Protic Ionic Liquids for Enhanced Tributyl Citrate Synthesis in a Two‐Phase Esterification System

Więcławik,

Brzęczek‐Szafran,

Barteczko

et al. 2024

Chemistry An Asian Journal

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Tributyl citrate (TBC) plays a crucial role as a plasticizer, enhancing the flexibility of polymers like polyvinyl chloride. Its biodegradability and non‐toxic nature contribute to its eco‐friendly appeal, making it a preferred additive in diverse industries, including food packaging, medical devices, toys, and consumer goods. Herein, a method for the synthesis of TBC using inexpensive Brønsted acidic protic ionic liquids (ILs) in a two‐phase reaction system is presented. The esterification process is carried out with high yield (>99%), selectivity (up to 98%) and short reaction time of 2h. The catalyst in the form of IL shows excellent performance and stability, desirable for industrial applications.

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Section: Catalysts Scope In Tbc Synthesismentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

“…Especially, neutralization of the homogenous catalysts is needed [46,51] . Other promising method for TBC production involves reactive distillation [46,52,53] …”

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations