Journals / Anadolu Üniversitesi Bilim ve Teknoloji Dergisi :A-Uygulamalı Bilimler ve Mühendislik / 2015 / Cilt: 16 - Sayı: 2

AMİNOPROPİL SİLİKAJEL İMMOBİLİZE KALİKS[4]AREN POLİMERİ (K[4]APS) KULLANILARAK p -NİTROFENOLÜN SULU ÇÖZELTİLERDEN GİDERİMİ

REMOVAL OF p-NITROPHENOL FROM AQUEOUS SOLUTIONS USING AMINOPROPYL SILICA GEL-IMMOBILIZED CALIX[4]ARENE POLYMER (C[4]APS)

Pages
155–166
Publication Date
2022-10-11
DOI
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AI Summary & Key Takeaways

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⚡ TL;DR(Too Long; Didn't Read)

The results showed that pH 6, contact time 1 hour, the concentration of 5.0x10-5 M PNP, 0.025 g of sorbent dosage and 25o C of temperature was found as optimum parameters of PNPadsorption by 6 .

📌 3 Key Takeaways

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Objective & Hypothesis:This study describes the preparation of a new polymeric calix[4]arene derivative and itsapplication as a sorbent material in adsorption of p -nitro phenol (PNP).
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Key Findings & Data:Thus after the preparing of theprecursor calixarene derivatives (1 -5), compound 5 was immobilized onto aminopropyl silica gelsupporting material to obtain polymeric calix[4]arene (6 ).
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Conclusion & Impact:The results showed that pH 6, contact time 1 hour, the concentration of 5.0x10-5 M PNP, 0.025 g of sorbent dosage and 25o C of temperature was found as optimum parameters of PNPadsorption by 6 .
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

This study describes the preparation of a new polymeric calix[4]arene derivative and itsapplication as a sorbent material in adsorption of p -nitro phenol (PNP). Thus after the preparing of theprecursor calixarene derivatives (1 -5), compound 5 was immobilized onto aminopropyl silica gelsupporting material to obtain polymeric calix[4]arene (6 ). All compounds were characterized by usingsome methods such as FTIR, 1 H NMR, elemental analysis, TGA and SEM. Aminopropyl silica gel- immobilized calix[4]arene (C[4]APS) 6 was used as a sorbent in the adsorption studies of PNP and itwas examined some parameters such as pH, contact time, initial concentration, process temperatureand sorbent dosage. The results showed that pH 6, contact time 1 hour, the concentration of 5.0x10-5 M PNP, 0.025 g of sorbent dosage and 25o C of temperature was found as optimum parameters of PNPadsorption by 6 . Also Langmuir and Freundlich isotherms were evaluated to clarify the PNPadsorption mechanism.

Özet

Bu çalışma yeni polimerik kaliksaren türevinin hazırlanması ve p -nitrofenolün (PNF)adsorpsiyonunda sorbent malzemesi olarak uygulanmasını içermektedir. Kaliksaren türevleri 1-5'inhazırlanmasından sonra, 5 no'lu moleküle aminopropil silika jel destek maddesi tutturularak polimerikkaliksaren 6 türevi elde edildi. Bütün bileşikler, FTIR, 1 H NMR, elemental analizi, TGA ve SEM gibimetotlar kullanılarak karakterize edildi. Aminopropil silika jel immobilize kaliks[4]aren (K[4]APS) 6 ,PNF adsorpsiyonu çalışmalarında sorbent olarak kullanılmış ve pH, etkileşim süresi, konsantrasyon,proses sıcaklığı ve sorbent dozajı gibi parametreler çalışıldı. Sonuçlara göre, 6 no'lu molekülün PNFadsorpsiyonu için optimum koşullar pH 6, etkileşim süresi 1 saat, PNF konsantrasyonu 5.0x10-5 M,sorbent dozajı 0.025g ve proses sıcaklığı 25o C olarak bulundu. PNF adsorpsiyon mekanizması,Langmuir ve Freundlich izotermleri ile değerlendirildi.

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Cite This Article

TABAKCI, M., TEMEL, F., ALADAĞLI, V. (2022). AMİNOPROPİL SİLİKAJEL İMMOBİLİZE KALİKS[4]AREN POLİMERİ (K[4]APS) KULLANILARAK p -NİTROFENOLÜN SULU ÇÖZELTİLERDEN GİDERİMİ. Anadolu Üniversitesi Bilim ve Teknoloji Dergisi :A-Uygulamalı Bilimler ve Mühendislik, Cilt: 16 - Sayı: 2, 155–166. https://ajindex.com/articles/438359

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