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Journal : JURNAL REKAYASA KIMIA

Sintesis dan Karakterisasi Membran Poliuretan dari Minyak Biji Karet dan Heksametilen-1,6-diisosianat Nurman, Salfauqi; Marlina, Marlina; Saiful, Saiful; Saleha, Sitti
Jurnal Rekayasa Kimia & Lingkungan Vol 10, No 4 (2015): Jurnal Rekayasa Kimia & Lingkungan
Publisher : Chemical Engineering Department, Syiah Kuala University, Banda Aceh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23955/rkl.v10i4.3772

Abstract

Minyak biji karet dapat dimanfaatkan untuk pembuatan membran poliuretan. Minyak biji karet memiliki bilangan hidroksi 40,33 mgKOH/g dan bilangan iod 154,05 gI2/g. Sintesis membran poliuretan menggunakan metode ikatan silang. Ikatan silang terbentuk dengan mereaksikan minyak biji karet sebagai sumber gugus -OH dengan heksametilen-1,6-diisosianat sebagai sumber gugus -NCO. Membran poliuretan yang optimum dihasilkan pada komposisi 4,55:5 (g/g) memiliki sifat homogen, kering, elastis, berwarna kuning kecoklatan, bergelombang, fluks 0,544 L/m2.h.bar dan faktor rejeksi 100%. Hasil karakterisasi membran menunjukkan terbentuknya ikatan uretan pada bilangan gelombang 3480 cm-1, struktur morfologi membran padat, memiliki dua tahap dekomposisi pada 210 oC dan 392 oC, titik transisi gelas 65 oC, kekuatan tarik 1,03 kgf/mm2 dan elongasi 497,14%. Dari hasil karakterisasi membran poliuretan, membran tersebut dapat digolongkan pada tipe membran reverse osmosis.
Pengembangan Membran Magnesol untuk Pemurnian Biodiesel Saiful, Saiful; Nurfitriana, Nurfitriana; Ramli, Muliadi; Maulana, Ilham
Jurnal Rekayasa Kimia & Lingkungan Vol 9, No 3 (2013): Jurnal Rekayasa Kimia & Lingkungan
Publisher : Chemical Engineering Department, Syiah Kuala University, Banda Aceh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23955/rkl.v9i3.780

Abstract

Magnesol membrane has been prepared by mixing chitosan polymer with magnesol particles via phase inversion method. The optimum compositions of adsorptive membranes were 3% chitosan, 15% DMF and 60% loading adsorbent. The porosity of these membranes was 34,17% and swelling degree was 51,91%. The membrane clean water flux was 224,4 Lm2h1 at a transmembrane pressure of 2.5 bar. The adsorptive membrane possesses an open and interconnected porous structure with a large surface area available for biodiesel purities adsorption. The results showed that after contacting in 60 minutes, numbers of acid value was reduced as 81,12% which is in accordance with value of SNI quality standards. In addition, the soap content adsorbed was 86,74% as potassium soap and 86,73% as sodium soap. The regenerated membrane can be reused with mantaining the high adsorption capacity. The methanol was better than ethanol to regenerate the magnesol membrane. The Magnesol membrane will be a new alternative method for biodiesel purification.Keywords: biodiesel, membrane adsorption, chitosan, magnesol, acid number, soap
Performance of Mixed Matrix Membrane Adsorbers for Lysozyme Separation Saiful, Saiful
Jurnal Rekayasa Kimia & Lingkungan Vol 8, No 1 (2011): Jurnal Rekayasa Kimia & Lingkungan
Publisher : Chemical Engineering Department, Syiah Kuala University, Banda Aceh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

An application of EVAL based mixed matrix membrane adsorbers containing a strongcation exchange resins (Lewatit SP 112 WS) for capturing of Lysozyme (LZ) has been investigated.The preparation and performance of the mixed matrix membrane adsorbers is studied with 1-octanol as additive. The membranes in this study are prepared by immersion precipitation out of a DMSO solution containing 14% EVAL and with or without 14% 1-octanol. All membranes contain 65% resin based on dry solids. The morphology of the membranes are characterized using scanning electron microscopy.The membrane structure demonstrated open and interconnected porous structure with large resin particles are distributed in membrane structure. The MMM adsorber proved high adsorption capacity for capturing and concentrating LZ in feed solution. The Mixed matrix membranes (MMM) concept was anticipated as a moderate process with an increasedcapacity and a maximum adsorption capacity of 166 mg LZ/g membrane. The MMM act in protein separations both as protein purifier and concentrator and is an attractive alternative for packed bed systems because of its high capacity, high throughput, robustness, and ease of scaling up.Keywords: Mixed Matrix Membrane (MMM), Lysozyme (LZ), Adsorption, Membrane adsorber
Co-Authors Abrar Muslim Adisalamun Adisalamun Agus Winarsih Ahmad, Khairunnas Aidah, Mus Ainal Mardhiah Akmalauddin, Akmaluddin Alfian, Nurul Amar, Siti Salama Amelia, Marysha Ameraldo, Fedi Amiruddin, Nurul Khairiyah Anak Agung Gede Sugianthara Anastasya, Millenia Putri Andi Desiah Pradilia Andika, Mohammad Angela Ruban, Angela Anggreni Bako Angrainum, Ode Delvi Apriani, Eva Aprila, Nila Arafah, Abdul Latif Arung ARDIANSYAH ARDIANSYAH Arfiani, Berliana Ariana Ariana Ariesta Setyawati Arthana, Nana Aslawiyah, Siti Rabiaatul Atrhana, Nana Ayudho Selviani Azmil Umur, Azmil Bakri, Rina Asrini Bakri, Rina Asrini Basra, Siti Mutia B. Bustaram, Isnain Chamariyah, Chamariyah Darmadi Darmadi Delsinasari, Adella Dharma, Dian Budi Divianto Divianto Djaja, Herman Dzilarsy, Adni Ema Sulastri Eriza, Tiara Erna Hayati, Erna Erna Sari, Erna Faisal Abdullah Faiza Nudia Fakhrul Rijal, Fakhrul Fatkhiyaturrohmah, Fatkhiyaturrohmah Febriani Febriani, Ike Fitri Santi Fransisca Fransisca Gazali Gazali Gianni, Shelli Elsa Hadini Hadini, Hadini Hafid, Hilda Hafiz, Muhammad Ariqoh Halimatusyadiah, Halimatusyadiah Hamdi Yusliani Hamdi Yusliani Hamid Ismail Hayati Hayati Hellen Nanlohy Hertika, Elvira Heru Juabdin Sada Hesti Meilina Hijrah Hijrah Husaini Husaini I Dewa Gde Mayun Permana Ibrahim, Muliyaty Ichwana Ichwana Ilham Maulana Imam Bukhori Imam Prawiranegara Gani Imamuddin, M. Imamuddin Iqhrammullah, Muhammad Irfan Mustafa Irmawanty, Irmawanty Isma Coryanata Ismail, Hamid Istiqomah, Vania Anbael Nur Iwan Ramadhan Jayaprawira, Acep Riana Juliana Juliana Kamaludin Kamaludin Kamaruzzaman, Suraiya Kamila, Nurul Kanda, Pajri Khaeriyah, Andi Kurnia, Yustina Kurniawan Kurniawan Lala, Andi Lismijar, Lismijar Lisya, Rahma M. Ikhwan M. Raihan Zahri Mahmud, Ikwan Mahmudi Mahmudi Maimun Maimun Maishara, Fitria Marlina Marlina Maswar Maswar Masya, Saifullah Maulidani, Yurdi Mauliza, Mauliza Maulydia, Nur Balqis Midiastuti, Pratana Puspa Midiastuty, Pratana P Midiastuty, Pratana Puspa Mihani, Mihani Mirjan Mirjan Muhammad AR Muhammad Farhan Muhammad Yusuf Muliadi Ramli Mumtazul Fikri Murni Murni Muslim*, Abrar Muwatto', Muhammad Nabila, Nabila Nabilla Dwi Puspita Nikmah Nikmah Nindita, Nansi Ria Nirma Nirma Novadilastri, Novadilastri NOVIANTI, MAYA Novita Sari Nudia, Faiza Nurbayani Nurbayani nurfitriana nurfitriana Oktasari, Dwince Pamuji, Siti Sulistyani Panjaitan, Riong seulina parma, syafriadi kurnia Permatasari, Rinny Pika, Pika Prabulana, Rahadian Dopin Pradipta, Oki Prasetyo, Siswoyo Puspita, Lisa Martiah Nila Putra, Anggar Putra, Fabian Anugrah Putra Putranto, Haidar Dwi Putri, Hervita Qalbi, Nur Qoyyimah, Annisaul Rahmalita, Nurul Aisyah Rahman, Sunarti Abd Rais, Rasnindah Abu Realita Realita, Realita Reza, Fakhrur riana, ausy Rinaldi Idroes Rindiani, Rindiani Risaldi, Moh. Romadhona, Agus Romadloni, Moh. Rosnidarwati Rosnidarwati Rosnidarwati, Rosnidarwati ruban, angela1004 Sabrina, Rorina Salfauqi Nurman, Salfauqi Samin, Sabri Sanusi Sanusi Sari, Rita Kumala Sattar Sattar, Sattar SH, Hendra Silahuddin Silahuddin Silvia, Ika Sinambela, Rio Pandi Siti Aisyah Siti Maryam Siti Munawati Siti Nur Aisyah Siti Nurislamiah Siti Rahmi, Siti Siti Sarah, Siti Sitorus, Yalizar Rahayu Sitti Saleha, Sitti Solly Aryza Subekti, Putri Refani Suciati, Lily Sufriadi, Elly Suhendra, Rivansyah Sularno Sularno, Sularno Sunartaty, Rita Suranta, Eddy Suratin, Sonia Isna Suriana Suriana Syahrun Nur Syahrun Nur Abdulmadjid Syamsiarna Nappu Syamsiarna Nappu, Syamsiarna Syamsuddin, Fitria Syahruni Syatriana, Eny Tanri Wulan, Dian Teuku Zulfikar Ulfaika, Romlah Wahid Haddade, Abdul Wahyuni, Marina Fitri Widiyastuti, Lusi Wildanika, Arifian Wisesa, Muhammad Akbar Yohanes Bahari yuni ratnasari Yunida, Hailen Ike Zahrah, Anita Zahri, M. Raihan Zainuddin Zainuddin Zainuddin, Zainuddin Zakaria Zakaria Zarrazir, Alifia Zulfiani, Utari