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Journal : Indonesian Journal of Chemistry

THE PROPERTIES OF THERMOSENSITIVE ZWITTERIONIC SULFOBETAINE NIPAM-CO-DMAAPS POLYMER AND THE HYDROGELS: THE EFFECTS OF MONOMER CONCENTRATION ON THE TRANSITION TEMPERATURE AND ITS CORRELATION WITH THE ADSORPTION BEHAVIOR Ningrum, Eva Oktavia; Purwanto, Agus; Rosita, Galuh Chynintya; Bagus, Asep
Indonesian Journal of Chemistry Vol 20, No 2 (2020)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (449.466 KB) | DOI: 10.22146/ijc.41499

Abstract

The properties of N-isopropylacrylamide copolymerized with N,N-dimethyl(acrylamidopropyl)ammonium propane sulfonate [poly(NIPAM-co-DMAAPS)] prepared with various monomer ratios such as transition temperature, molecular structure, viscosity were systematically investigated in water and Zn(NO3)2 solution. Poly(NIPAM-co-DMAAPS) in water and Zn(NO3)2 solution exhibited a phase transition with a lower critical solution temperature (LCST). The higher ratio of NIPAM monomer in poly(NIPAM-co-DMAAPS), the lower the LCST of the polymer. Furthermore, the transition temperature of poly(NIPAM-co-DMAAPS) with a lower NIPAM concentration were not confirmed both in water nor Zn(NO3)2 solution. The more increase the NIPAM concentration used in the preparation, the more increase the polymer viscosity. Moreover, the more increase the adsorption amount of ions onto the gel, the more increase the polymer transmittance as well.
Adsorption and Desorption of Na+ and NO3− Ions on Thermosensitive NIPAM-co-DMAAPS Gel in Aqueous Solution Ningrum, Eva Oktavia; Purwanto, Agus; Mulyadi, Eka Octaviyatna; Dewitasari, Dinny Islamiah; Sumarno, Sumarno
Indonesian Journal of Chemistry Vol 17, No 3 (2017)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (409.597 KB) | DOI: 10.22146/ijc.25297

Abstract

Adsorbent gel with the ability to absorb and to desorb Na+ and NO3− ions simultaneously with temperature swing was synthesized by free radical copolymerization reaction of N-isopropylacrylamide (NIPAM) and N,N-dimethyl-(acrylamidopropyl)ammonium propane sulfonate (DMAAPS). In this study, NIPAM acts as a thermosensitive agent and DMAAPS as an adsorbent agent. The purpose of this research is to investigate the effect of temperature and solution concentration on the swelling, adsorption, and desorption behaviors of NIPAM-co-DMAAPS gel. The relationship between adsorption and desorption behaviors of the gel was also elucidated. NaNO3 solution was selected as the target solution in swelling, adsorption, and desorption test. It was observed that the swelling degree of the gel increased as temperature and solution concentration raised. The adsorption amount of ions decreased with the increase of temperature. In contrast, the amount of ions desorbed from the gel increased linearly with temperature.
Removal Efficiency of Nitrite and Sulfide Pollutants by Electrochemical Process by Using Ti/RuIrO2 Anode Mukimin, Aris; Purwanto, Agus
Indonesian Journal of Chemistry Vol 18, No 2 (2018)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (443.567 KB) | DOI: 10.22146/ijc.26609

Abstract

In general, wastewater treatment by physical, chemical and biological methods are only focused on TSS, BOD and COD removals that the effluent still contains anion pollutant as NO2- and S2-. Electrochemical technology is a proper method for those pollutants treatment due to its fast process, easy operation and minimum amount of sludge. Electrocatalytic reactor with 8 L capacity using Ti/RuIrO2 cylinder as anode and Fe plate as cathode was arranged and applied to treat anion pollutants. Hydraulic retention time (30, 60, 90 and 120 min), salt concentration (250, 500 and 750 mg/L) and voltage (4, 5, and 6 V) were chosen as operation variables and NO2- and S2- concentrations as parameter indicators. Nitrite removal efficiency reached 75 and 99.7% after 60 and 120 min of electrolysis, respectively, while sulfide could obtain higher efficiency, i.e., 97 and 99.9% after 60 and 90 min, respectively, at operation variables of potential of 5 V and salt of 500 mg/L. Removal process is dominated by indirect oxidation mechanism by HClO/ClO- oxidators generated at anode surface as intermediate products. The lifespan of electrode and electric consumption are two main factors of operation cost. Electric consumed was 0.452 kWh per 1 g nitrite removed.
Co-Authors - Isdiyarto ?Izzah, Naila Abdurohman Muslim Abdurrahman, Naufal Adhy Karyo Nugroho Adi Putra Setianto Adila Ashari Partono, Adila Ashari Adimas Wahyu Saputro Adrian Nur Agistiawati, Eva Agung Budiarto, Agung Agustika, Dyah Kurniawati Agustikasa, Dyah Kurniawati Ahmad Fauji, Ahmad ahmad yani Akhmad Aminuddin Bama, Akhmad Aminuddin Akuba, Stefy Falentino Alamsyah, Virza Utama Aljana, Bahana Takbir Alqodri, Achmad Fatih Andika Fajar Andika, Charter Bing Andreani Hanjani Andriyani, Yulia Anggaripeni Mustikasiwi Anggraini, Winda Nirwana Anggun Nugroho, Anggun Anif Jamaluddin Anindita Putri Nurmalita Sari Anisa Agni Putri Aris Mukimin Arkhan Subari Artawan, I Nengah Arum Purwandari Asbari, Masduki Author, Hafza Neill Bagus, Asep Bagus, Asep Basuki, Sucipto Bhagas Adhitya Ardia Pratama Bintoro Anang Subagyo, Bintoro Anang Budhy Kurniawan Budi Santoso, Priyono Budiwati Budiwati Budiyono Budiyono chi hyun, Choi Chidir, Gusli Chintya Fadila Laksmitaningrum Cholid Syahroni, Cholid Cornelia, July Dadan Rosana Dalimunthe, Ulian Febriansyah Darmadi, Eko Agus Decy Lukitasari DEDDY MUCHTADI Dewi, Wulan Rahma Dewitasari, Dinny Islamiah Dhaniel Hutagalung, Dhaniel Dhanindra Prabowo, Dhanindra Dian Purnamasari Dina Dina, Dina Dwi Arizky, Annisa Dwi Harjanto, Ganang Dwi Ratmono Eddy Santoso Endang Kwartiningsih Endang Mastuti Eny Sri Widyastuti Erika Rani Eva Oktavia Ningrum, Eva Oktavia Fayzhall, Miyv Febryanita, Renna Fikri, Muhamad Agung Ali Firdaus, Muhammad Sai FRANSISKA RUNGKAT ZAKARIA Gde Sastrawangsa, Gde Goestjahjanti, Francisca Sestri Goestjahjanti, Fransisca Sestri Hadi, Agus Hari Hakim, Much Azizum Handayani, Rr Sri Hanny Vistanty, Hanny Hari Hadi, Agus Hasanah, Luthfi Mufidatul Hatmoko, Bayu Dwi Hendri Widiyandari Heny Kusumayanti Hermitasari, Rosana Velly HERNAYANTI HERNAYANTI Heru Sukamto, Heru HERY WINARSI Hidayah Dwiyanti Hulu, Paolinus Hutagalung, Dhaniel hutagalung, leo Hyun, Choi Chi I Kadek Ariana, I Kadek Ida Hayu Dwimawanti Idzni, Irsalina Nur Ihyaul Ulum Imam Ghozali Imelda, Donna Inayati Inayati Indah Nuraeni Indrianto Indrianto, Indrianto Innocentius Bernarto, Innocentius Intan Fatimah Hizbullah, Intan Fatimah Irfan Hafid Irnaning Handayani, Novarina Ischiadica Elharomy Isni Nurruhwati Iswandi, I Jang, Johan Jayeng Basundoro, Muchammad Sasa Jidanah Darmiyati Jumari, Arif Karnawi Kamar, Karnawi Kotamena, Fredson Kumaralita, Prasiska Widya Kuncoro Diharjo Kusumadewi, RR Karlina Aprilia Kusumaningsih, Sekundina Williana kusumaningsih, Williana Latief, Widyanto Faisal Liem, Juliana Lila Yuwana Lilik Eka Radiati M. Refai Muslih Mahari, Ardhyayuda Patria Mety Nuraini Miratul Atiqah Mirayani, Rubi Misbachul Moenir, Misbachul Mugihardjo, Herry Muhamad Fauzan Muhammad Baru Herman, Muhammad Baru Muhammad Setio Priambodo, Muhammad Mulyadi, Eka Octaviyatna Mulyoto ,, Mulyoto Mumtazah, Fahmi Mustikasiwi, Anggaripeni Mustofa Mustofa Muzayanha, Soraya Ulfa Nilawati Nilawati Nugraheni, Agustina Dewi Nugraheni, Anggiyani Ratnaningtyas Eka Nugroho, Anwari Adi Nugroho, Yunianto Agung Nur Cahyonowati Nur Kadarisman Nur Zen, Nur Nur?aini, Anafi Nurasiah Nurasiah Nurhayati, Wakhida Nurintiati, Anastasia Angesti Nurkholis Nurkholis Nurtjahjo Dwi Sasongko Oktita Earning Hanifah Ong, Freddy Paryanto Paryanto Paryanto Permata Sari, Intan Pradana, Satria Edvan Nanda Prakoso, Ganang Prameswari, Mirza Pramono, Rudy Prasetiyo, Agus Eko Prasetiyo, Agus Eko Purwaningrum, Fajar Adhi Putra, Firdaus Putri, Ratna Setyowati Radhitiya, Ema Radita, Fatrilia Rasyi Rafika Rahmawati Rahadyan W, S. Willy Rahma Ayu Maharani Rahmawati, Rosa Yuni Ramdan, Mohamad Rame Rame, Rame Ranni Rahmayanthi Ratnawati Ratnawati Reny Yesiana, Reny Richardus Eko Indrajit Risha Aristiani N, Risha Riza Primahendra, Riza Rosita, Galuh Chynintya Rosita, Galuh Chynintya Rosita Ruliaty, Lisa S.Williana Kusumaningsih Saifuddin, Mirza Prameswari Samuel Setiawan, Samuel Santoso, Priyono Budi Sanusi, Muhammad Anwar Sari, Atika Aulia Novita Sari, Septi Sarliyani, Sarliyani Sastradi, Y.K Senjaya, Pierre Setiawan, Samuel Tanasjah Shobihi, Abdul Wahid Imam Shofwan Hanief, Shofwan Sihite, Otto Berman Silvy Djayanti, Silvy Singgih, Eman Siti Maesaroh Siwi P. M. Wijayanti Siwi P.M. Wijayanti SIWI PRAMATAMA MARS WIJAYANTI Sodikin . Sopa, Ardian Sri Wahyuni Asnaini, Sri Wahyuni Stephani Novitasari Christianingsih Kaluti Suciutami, Diajeng Putri Sudiyono, Rachma Nadhila Suhardi, Robby Priyambada Suharno Suharno Suharto, Toni Suharto, Toni Sulistiyadi, Andi Sumarna Sumarna Sumarna, . Sumarna, . Sumarno Sumarno Suratsih Suratsih Surliyani, Surliyani Surliyani, Surliyani Suroso Suroso Suryani, Popong Susilo Adi Widyanto Taufiq Bagus Prasojo Teguh Yuwono Tiffany, Tiffany Vincensius Gunawan Warsito Kawedar Waruwu, Hatoli Wibisono, Muhammad Hardityo Wicaksono, Kukuh Aryo Wijayanti, Laksmi m Wijayanti, Laksmi Mayesti WINANTI, WINANTI Windasari, Dhynandra Wisnu Ari Adi Xavir, Yos yanthy, Evy Yohanes Dwi Saputra, Yohanes Dwi Yoyok Cahyono, Yoyok Yudha, Cornelius Satria Yulia, Yayah Yulita Setiawanta Yuniar Mulyani Yusmansyah Yusmansyah Yuvita Avrie Diany