UKURAN PARTIKEL DAN KONFORMASI KRISTAL ZEOLIT-A HASIL SINTESIS DENGAN PENAMBAHAN TETRAPROPILAMMONIUM HIDROKSIDA (TPAOH)
<p><strong>Abstract</strong></p> <p><strong> </strong></p> <p><strong>PARTICLE SIZE AND CRYSTAL CONFORMATION </strong><strong>OF </strong><strong>SYNTHESIZED ZEOLITE-A </strong><strong> WITH</strong>...
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Format: | Article |
Language: | English |
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Diponegoro University
2014-12-01
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Series: | Reaktor |
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Online Access: | http://ejournal.undip.ac.id/index.php/reaktor/article/view/8402 |
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author | Nurul - Widiastuti Farhanah Thalib Didik Prasetyoko Hamzah Fansuri |
author_facet | Nurul - Widiastuti Farhanah Thalib Didik Prasetyoko Hamzah Fansuri |
author_sort | Nurul - Widiastuti |
collection | DOAJ |
description | <p><strong>Abstract</strong></p> <p><strong> </strong></p> <p><strong>PARTICLE SIZE AND CRYSTAL CONFORMATION </strong><strong>OF </strong><strong>SYNTHESIZED ZEOLITE-A </strong><strong> WITH</strong><strong> TETRAPROPYLAMMONIUM HYDROXIDE (TPAOH) ADDITION.</strong><em> The aims of this research is to study the effect of tetrapropylammonium hydroxide (TPAOH) concentration </em><em>i</em><em>n </em><em>the </em><em>synthesis of zeolite A</em><em> to its physical characteristics such as crystallinity, crystal conformation and average crystal size</em><em>. </em><em>The</em><em> zeolite A was synthesized with composition 3</em><em>.</em><em>165</em><em> </em><em>Na<sub>2</sub>O</em><em> </em><em>: 1</em><em>.000 </em><em>Al<sub>2</sub>O<sub>3</sub></em><em><sub> </sub></em><em>:</em><em> </em><em>1</em><em>.</em><em>926</em><em> </em><em>SiO<sub>2</sub></em><em><sub> </sub></em><em>:</em><em> </em><em>128</em><em> </em><em>H<sub>2</sub>O</em><em> </em><em>:</em><em> </em><em>x</em><em> </em><em>TPAOH </em><em>where x</em><em> was 0; 0.0385; 0.0577; 0.0770; 0.1540 and 4.1602. </em><em>The zeolite was crystalized under h</em><em>ydrothermal </em><em>condition in a stainless steel autoclave </em><em>at 100°C </em><em>for</em><em> 5 hours</em><em>.</em><em> </em><em>T</em><em>he</em><em> resulting crystal </em><em>was washed </em><em>with distilled water </em><em>until pH 8</em><em> and then dried in an oven at 80<sup>o</sup>C for 24 hours</em><em>. FT-IR and XRD </em><em>analysis results </em><em>show that the synthesized zeolite A at</em><em> x =</em><em> 4.1602 has the lowest crystal</em><em>l</em><em>i</em><em>ni</em><em>ty. It is </em><em>estimated du</em><em>e </em><em>to </em><em>the mass of TPAOH was four times </em><em>h</em><em>igger than the mass of zeolite framework </em><em>components </em><em>(Si</em><em> and </em><em>Al). SEM and PSD</em><em> (Particle Size Distribution) analysis results show that</em><em> TPAOH concentration affected the crystal conformation and the average size of </em><em>zeolite A </em><em>particles. The formation of chain</em><em>ed</em><em> crystal conformation was caused by the electrostatic interactions between TPA<sup>+</sup> and negatively charge of zeolite framework. In addition, the particel size of the synthesized zeolite A at </em><em>x =</em><em> 0.1540 was 2.024 µm</em><em> which </em><em>was smaller than the particel size of the synthesized zeolite A without TPAOH, which was 3.534 µm.</em><em> </em></p> <p><strong> </strong></p> <p><strong>Keywords: </strong><em>average size of particles</em><em>;</em><em> crystal conformation</em><em>;</em><em> </em><em>TPAOH</em><em>;</em><em> zeolite A</em></p> <p><strong> </strong></p> <p><strong> </strong></p> <p><strong>Abstrak</strong></p> <p><strong> </strong></p> <p><em>Penelitian ini bertujuan untuk mempelajari pengaruh konsentrasi TPAOH (Tetrapropilamonium hidroksida) dalam sintesis zeolit A</em><em> terhadap sifat fisikanya yang meliputi kekristalan, konformasi kristal dan ukuran rata-rata kristal yang terbentuk</em><em>. </em><em>Pada</em><em> penelitian ini zeolit A disintesis dengan komposisi 3,165</em><em> </em><em>Na<sub>2</sub>O : 1</em><em> </em><em>Al<sub>2</sub>O<sub>3 </sub>: 1,926</em><em> </em><em>SiO<sub>2 </sub>:128</em><em> </em><em>H<sub>2</sub>O: x</em><em> </em><em>TPAOH. Konsentrasi TPAOH divariasikan dengan nilai x adalah 0; 0,0385; 0,0577; 0,0770; 0,1540 dan 4,1602. Metode hidrotermal digunakan dalam penelitian ini dengan kondisi suhu hidrotermal 100°C dan waktu kristalisasi selama 5 jam dengan pH pencucian 8. Hasil karakterisasi menggunakan FT-IR (Fourier Transform – Infrared Spectroscopy) dan XRD (X-Ray Diffraction) menunjukkan bahwa zeolit A yang disintesis dengan </em><em>x =</em><em> 4,1602 memiliki </em><em>ke</em><em>kristal</em><em>an</em><em> terendah. Hal ini</em><em> diperkirakan terjadi</em><em> karena masa TPAOH yang digunakan empat kali lebih besar daripada masa penyusun zeolit (Si</em><em> dan </em><em>Al). Berdasarkan hasil karakterisasi menggunakan SEM (Scanning Electron Microscopy) dan PSD (Particle Size Distribution), dapat diketahui bahwa TPAOH berpengaruh terhadap konformasi kristal dan rata-rata ukuran </em><em>kristalnya</em><em>. Terbentuknya konformasi kristal seperti rantai disebabkan oleh adanya interaksi elektrostatik antara muatan</em><em> positif pada</em><em> TPA<sup>+</sup> dan muatan negatif dari kerangka zeolit. </em><em>Z</em><em>eolit A yang disintesis dengan </em><em>x =</em><em> 0,1540 memiliki ukuran partikel rata-rata 2,024 µm yang lebih kecil </em><em>dari </em><em>daripada zeolit A tanpa TPAOH </em><em>yaitu sebesar </em><em>3,534 µm.</em></p> <p><em> </em><strong><em> </em></strong></p> <strong>Kata kunci :</strong><em> ukuran partakel rata-rata; konformasi kristal; TPAOH; zeolite A</em><p> </p> <p><strong><em><span style="text-decoration: underline;"> </span></em></strong></p> |
first_indexed | 2024-12-19T14:44:50Z |
format | Article |
id | doaj.art-17ec392a7dc340ae95be8fbd8fd0ee39 |
institution | Directory Open Access Journal |
issn | 0852-0798 2407-5973 |
language | English |
last_indexed | 2024-12-19T14:44:50Z |
publishDate | 2014-12-01 |
publisher | Diponegoro University |
record_format | Article |
series | Reaktor |
spelling | doaj.art-17ec392a7dc340ae95be8fbd8fd0ee392022-12-21T20:16:59ZengDiponegoro UniversityReaktor0852-07982407-59732014-12-0115213213810.14710/reaktor.15.2.132-1387251UKURAN PARTIKEL DAN KONFORMASI KRISTAL ZEOLIT-A HASIL SINTESIS DENGAN PENAMBAHAN TETRAPROPILAMMONIUM HIDROKSIDA (TPAOH)Nurul - Widiastuti0Farhanah Thalib1Didik Prasetyoko2Hamzah Fansuri3Chemistry Department Institut Teknologi Sepuluh Nopember Surabaya IndonesiaDepartment of Chemistry Institut Teknologi Sepuluh Nopember SurabayaDepartment of Chemistry Institut Teknologi Sepuluh Nopember SurabayaDepartment of Chemistry Institut Teknologi Sepuluh Nopember Surabaya<p><strong>Abstract</strong></p> <p><strong> </strong></p> <p><strong>PARTICLE SIZE AND CRYSTAL CONFORMATION </strong><strong>OF </strong><strong>SYNTHESIZED ZEOLITE-A </strong><strong> WITH</strong><strong> TETRAPROPYLAMMONIUM HYDROXIDE (TPAOH) ADDITION.</strong><em> The aims of this research is to study the effect of tetrapropylammonium hydroxide (TPAOH) concentration </em><em>i</em><em>n </em><em>the </em><em>synthesis of zeolite A</em><em> to its physical characteristics such as crystallinity, crystal conformation and average crystal size</em><em>. </em><em>The</em><em> zeolite A was synthesized with composition 3</em><em>.</em><em>165</em><em> </em><em>Na<sub>2</sub>O</em><em> </em><em>: 1</em><em>.000 </em><em>Al<sub>2</sub>O<sub>3</sub></em><em><sub> </sub></em><em>:</em><em> </em><em>1</em><em>.</em><em>926</em><em> </em><em>SiO<sub>2</sub></em><em><sub> </sub></em><em>:</em><em> </em><em>128</em><em> </em><em>H<sub>2</sub>O</em><em> </em><em>:</em><em> </em><em>x</em><em> </em><em>TPAOH </em><em>where x</em><em> was 0; 0.0385; 0.0577; 0.0770; 0.1540 and 4.1602. </em><em>The zeolite was crystalized under h</em><em>ydrothermal </em><em>condition in a stainless steel autoclave </em><em>at 100°C </em><em>for</em><em> 5 hours</em><em>.</em><em> </em><em>T</em><em>he</em><em> resulting crystal </em><em>was washed </em><em>with distilled water </em><em>until pH 8</em><em> and then dried in an oven at 80<sup>o</sup>C for 24 hours</em><em>. FT-IR and XRD </em><em>analysis results </em><em>show that the synthesized zeolite A at</em><em> x =</em><em> 4.1602 has the lowest crystal</em><em>l</em><em>i</em><em>ni</em><em>ty. It is </em><em>estimated du</em><em>e </em><em>to </em><em>the mass of TPAOH was four times </em><em>h</em><em>igger than the mass of zeolite framework </em><em>components </em><em>(Si</em><em> and </em><em>Al). SEM and PSD</em><em> (Particle Size Distribution) analysis results show that</em><em> TPAOH concentration affected the crystal conformation and the average size of </em><em>zeolite A </em><em>particles. The formation of chain</em><em>ed</em><em> crystal conformation was caused by the electrostatic interactions between TPA<sup>+</sup> and negatively charge of zeolite framework. In addition, the particel size of the synthesized zeolite A at </em><em>x =</em><em> 0.1540 was 2.024 µm</em><em> which </em><em>was smaller than the particel size of the synthesized zeolite A without TPAOH, which was 3.534 µm.</em><em> </em></p> <p><strong> </strong></p> <p><strong>Keywords: </strong><em>average size of particles</em><em>;</em><em> crystal conformation</em><em>;</em><em> </em><em>TPAOH</em><em>;</em><em> zeolite A</em></p> <p><strong> </strong></p> <p><strong> </strong></p> <p><strong>Abstrak</strong></p> <p><strong> </strong></p> <p><em>Penelitian ini bertujuan untuk mempelajari pengaruh konsentrasi TPAOH (Tetrapropilamonium hidroksida) dalam sintesis zeolit A</em><em> terhadap sifat fisikanya yang meliputi kekristalan, konformasi kristal dan ukuran rata-rata kristal yang terbentuk</em><em>. </em><em>Pada</em><em> penelitian ini zeolit A disintesis dengan komposisi 3,165</em><em> </em><em>Na<sub>2</sub>O : 1</em><em> </em><em>Al<sub>2</sub>O<sub>3 </sub>: 1,926</em><em> </em><em>SiO<sub>2 </sub>:128</em><em> </em><em>H<sub>2</sub>O: x</em><em> </em><em>TPAOH. Konsentrasi TPAOH divariasikan dengan nilai x adalah 0; 0,0385; 0,0577; 0,0770; 0,1540 dan 4,1602. Metode hidrotermal digunakan dalam penelitian ini dengan kondisi suhu hidrotermal 100°C dan waktu kristalisasi selama 5 jam dengan pH pencucian 8. Hasil karakterisasi menggunakan FT-IR (Fourier Transform – Infrared Spectroscopy) dan XRD (X-Ray Diffraction) menunjukkan bahwa zeolit A yang disintesis dengan </em><em>x =</em><em> 4,1602 memiliki </em><em>ke</em><em>kristal</em><em>an</em><em> terendah. Hal ini</em><em> diperkirakan terjadi</em><em> karena masa TPAOH yang digunakan empat kali lebih besar daripada masa penyusun zeolit (Si</em><em> dan </em><em>Al). Berdasarkan hasil karakterisasi menggunakan SEM (Scanning Electron Microscopy) dan PSD (Particle Size Distribution), dapat diketahui bahwa TPAOH berpengaruh terhadap konformasi kristal dan rata-rata ukuran </em><em>kristalnya</em><em>. Terbentuknya konformasi kristal seperti rantai disebabkan oleh adanya interaksi elektrostatik antara muatan</em><em> positif pada</em><em> TPA<sup>+</sup> dan muatan negatif dari kerangka zeolit. </em><em>Z</em><em>eolit A yang disintesis dengan </em><em>x =</em><em> 0,1540 memiliki ukuran partikel rata-rata 2,024 µm yang lebih kecil </em><em>dari </em><em>daripada zeolit A tanpa TPAOH </em><em>yaitu sebesar </em><em>3,534 µm.</em></p> <p><em> </em><strong><em> </em></strong></p> <strong>Kata kunci :</strong><em> ukuran partakel rata-rata; konformasi kristal; TPAOH; zeolite A</em><p> </p> <p><strong><em><span style="text-decoration: underline;"> </span></em></strong></p>http://ejournal.undip.ac.id/index.php/reaktor/article/view/8402average size of particlescrystal conformationTPAOHzeolite A |
spellingShingle | Nurul - Widiastuti Farhanah Thalib Didik Prasetyoko Hamzah Fansuri UKURAN PARTIKEL DAN KONFORMASI KRISTAL ZEOLIT-A HASIL SINTESIS DENGAN PENAMBAHAN TETRAPROPILAMMONIUM HIDROKSIDA (TPAOH) Reaktor average size of particles crystal conformation TPAOH zeolite A |
title | UKURAN PARTIKEL DAN KONFORMASI KRISTAL ZEOLIT-A HASIL SINTESIS DENGAN PENAMBAHAN TETRAPROPILAMMONIUM HIDROKSIDA (TPAOH) |
title_full | UKURAN PARTIKEL DAN KONFORMASI KRISTAL ZEOLIT-A HASIL SINTESIS DENGAN PENAMBAHAN TETRAPROPILAMMONIUM HIDROKSIDA (TPAOH) |
title_fullStr | UKURAN PARTIKEL DAN KONFORMASI KRISTAL ZEOLIT-A HASIL SINTESIS DENGAN PENAMBAHAN TETRAPROPILAMMONIUM HIDROKSIDA (TPAOH) |
title_full_unstemmed | UKURAN PARTIKEL DAN KONFORMASI KRISTAL ZEOLIT-A HASIL SINTESIS DENGAN PENAMBAHAN TETRAPROPILAMMONIUM HIDROKSIDA (TPAOH) |
title_short | UKURAN PARTIKEL DAN KONFORMASI KRISTAL ZEOLIT-A HASIL SINTESIS DENGAN PENAMBAHAN TETRAPROPILAMMONIUM HIDROKSIDA (TPAOH) |
title_sort | ukuran partikel dan konformasi kristal zeolit a hasil sintesis dengan penambahan tetrapropilammonium hidroksida tpaoh |
topic | average size of particles crystal conformation TPAOH zeolite A |
url | http://ejournal.undip.ac.id/index.php/reaktor/article/view/8402 |
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