Journals / Konya Mühendislik Bilimleri Dergisi / 2017 / Cilt: 5 - Sayı: 1

RECOVERY OF FORMIC ACID BY REACTIVE EXTRACTION USING AN ENVIRONMENTALLYFRIENDLY SOLVENT

Formik Asidin Çevre Dostu Bir Çözücü Kullanılarak Tepkimeli Özütleme Yöntemi ile Geri Kazanımı

Pages
26–37
Publication Date
2017-03-01
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

FA can be recovered from aqueoussolutions by reactive extraction using environmentally-friendly solvents such as SFO.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:Today many carboxylic acids are recovered from biological production media andindustrial wastewaters.
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Key Findings & Data:Alamine-336 was used as the extractant and the results obtained with SFO were comparedwith those obtained using octanol.
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Conclusion & Impact:FA can be recovered from aqueoussolutions by reactive extraction using environmentally-friendly solvents such as SFO.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Formik asit · Tepkimeli özütleme · Ayçiçek yağı

Abstract

Today many carboxylic acids are recovered from biological production media andindustrial wastewaters. Reactive extraction is favored over other separation methods due to its highrecovery efficiency, ease of operation, low energy demand and reduced cost. However, use of toxicorganic diluents in the organic phases is the main disadvantage of the method. In this study, theappropriateness of an environmentally-friendly solvent, sunflower oil (SFO) to be used as organic phasediluent during the recovery of formic acid (FA) from aqueous solutions by reactive extraction wasevaluated. Alamine-336 was used as the extractant and the results obtained with SFO were comparedwith those obtained using octanol. The separation process reached an equilibrium in 3 hours and therecovery efficiency increased with the increase in extractant percentages. The initial FA concentrationpositively influenced the recovery when SFO was used as the diluent. In the ranges of the parametersstudied, the highest recovery values were 98.6% and 82.6% with octanol and SFO, respectively. Thisstudy shows that low molecular weight carboxylic acids, e.g. FA can be recovered from aqueoussolutions by reactive extraction using environmentally-friendly solvents such as SFO.

Özet

Günümüzde pek çok karboksilik asit biyolojik üretim ortamlarından ve endüstriyel atık sulardangeri kazanılmaktadır. Tepkimeli özütleme, yüksek geri kazanım verimi, işlem basitliği, düşük enerjigereksinimi ve maliyeti nedeniyle diğer ayırma yöntemlerine tercih edilmiştir. Fakat organik fazlardazehirli organik seyrelticilerin kullanımı yöntemin en önemli dezavantajıdır. Bu çalışmada çevre dostu birçözücünün, ayçiçek yağının formik asidin sulu çözeltilerinden tepkimeli özütleme yöntemi ile gerikazanımı sırasında organik faz seyrelticisi olarak zehirli organik kimyasallar yerine kullanımıdeğerlendirilmiştir. Özütleyici olarak Alamine-336 kullanılmış ve ayçiçek yağı ile elde edilen sonuçlaroktanol ile elde edilen sonuçlarla karşılaştırılmıştır. Ayırma süreci 3 saatte dengeye ulaşmış ve gerikazanım verimi özütleyici yüzdesi ile birlikte artmıştır. Ayçiçek yağı seyreltici olarak kullanıldığındabaşlangıç asit derişimi geri kazanımı pozitif yönde etkilemiştir. Çalışılan değişken aralıklarında oktanolve ayçiçek yağı ile en yüksek geri kazanım verimleri sırasıyla %98,6 ve %82,6’dır. Bu çalışma formik asitgibi düşük molekül ağırlıklı karboksilik asitlerin tepkimeli özütleme ile ayçiçek yağı gibi çevre dostuçözücüler kullanılarak sulu çözeltilerden geri kazanılabileceğini göstermiştir.

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Cite This Article

MARTI, M. E. (2017). RECOVERY OF FORMIC ACID BY REACTIVE EXTRACTION USING AN ENVIRONMENTALLYFRIENDLY SOLVENT. Konya Mühendislik Bilimleri Dergisi, Cilt: 5 - Sayı: 1, 26–37. https://ajindex.com/articles/786860

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