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Fadlilah, Ilma
Politeknik Negeri Cilacap
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Journal : CHEESA: Chemical Engineering Research Articles

 1 
Perbandingan Karbon Aktif-Tempurung Nipah dan Karbon Aktif-Kulit Pisang Kepok Teraktivasi Kalium Hidroksida Fadlilah, Ilma; Triwuri, Nurlinda Ayu; Pramita, Ayu
CHEESA: Chemical Engineering Research Articles Vol. 5 No. 1 (2022)
Publisher : Universitas PGRI Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25273/cheesa.v5i1.10992.20-27

Abstract

Penggunaan karbon aktif (activated carbon/AC) semakin luas seperti untuk reaksi kimia, adsorpsi limbah cair dan gas, serta sebagai katalis dalam proses katalitik. AC-tempurung nipah dan AC-kulit pisang kepok telah disintesis dengan aktivator kalium hidroksida (KOH) 0,5 M. Karbonisasi dilakukan dengan furnace pada suhu 300 °C selama 2 jam. Karakterisasi AC dilakukan dengan analisis kadar air, analisis kadar abu, analisis daya serap I2, dan analisis gugus fungsi sebelum proses aktivasi dan setelah proses aktivasi menggunakan FTIR. Nilai kadar air, kadar abu, daya serap terhadap I2berturut-turut adalah 1% ; 9,9%; 1307 mg/g (AC-tempurung nipah) dan 3% ; 7,4% ; 1777 mg/g (AC-kulit pisang kepok), memenuhi kriteria karbon aktif yang telah ditetapkan SNI. Hasil spektra FTIR AC-tempurung nipah dan AC-kulit pisang kepok menunjukkan adanya pergeseran bilangan gelombang serapan gugus -OH setelah aktivasi. Serapan gugus C=C aromatik mengindikasikan telah terbentuknya grafit.
Synthesis of KAl(SO4)2 Solid Coagulants from Used Pots and Beverage Cans Mustikarini, Nanda; Fadlilah, Ilma; Rahayu, Theresia Evila Purwanti Sri
CHEESA: Chemical Engineering Research Articles Vol. 7 No. 2 (2024): In Progress
Publisher : Universitas PGRI Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25273/cheesa.v7i2.17766.84-89

Abstract

Used pots and beverage cans are good sources of aluminum-rich raw materials for the synthesis of potassium aluminum sulfate (KAl(SO4)2), a solid coagulant. The synthesis process includes preparation, dissolution, extraction, sedimentation, and drying. Therefore, this research aimed to determine the characteristics of KAl(SO4)2 synthesized from aluminum pots and beverage cans waste, adjusted to the quality requirements of commercial KAl(SO4)2 according to SNI 06-2102-1991 standard. The materials used were aluminum pots, as well as a mixture of pots and beverage cans, with varying concentrations of 20%, 30%, and 40% KOH solvent. The synthesis results, characterized by XRF (X-ray fluorescence), showed an Al content of 0.001-3%. In addition, the results of the data analysis, adapted to SNI 06-2102-1991 standard for potassium aluminum sulfate, indicated that the synthesis met the required parameters for water-insoluble parts, Fe, Pb, and As, and Al2SO3, which was close to the quality requirements.
Co-Authors Afrizal Abdi Musyafiq Agus Prasetya Agus Santoso Alimudin, Erna Andesita Prihantara Anisa Imaniar Ari Gunawan Ari Kristiningsih Aris Supriyadi Ayu Pramita Ayu Pramita Devi Fitriana Dodi Satriawan Dwi Novia Dwityaningsih, Rosita Elmanna Kasifya Erliza Septia Nagara Evila Purwanti Sri Rahayu, Theresia Fadhillah Hazrina Ganjar Ndaru Ikhtiagung Hanung Kurniawan Hety Dwi Hastuti Husna, Kulaiah Syifaul Jati, Unggul Satria Jayana, Rena Jenal Sodikin Khoerudin Wittriansyah Laura Sari Lutfi Syafirullah M. Fakhruriza Pradana, M. Fakhruriza Mawarni, Mintan Mustikarini, Nanda Novita Asma Ilahi Nur Rochman Nurlinda Ayu T. Nurlinda Ayu Triwuri Nurlinda Ayu Triwuri Nurlinda Ayu Triwuri Oman Somantri Oto Prasadi Oto Prasadi Panut Mulyono Pramita, Ayu Prasadi, Oto Putri, Arsita Nur Rizkia Riyan Rudi Saputra Rizkia Putri, Arsita Nur Rosita Dwityaningsih Roy Aries Permana Tarigan Royani Royani Royani Sari, Mediana Puspita Sodikin, Jenal Sugiana Putri Lestari Sukmawati Sukmawati Theresia Evila PSR Theresia Sri Rahayu Triwardhani, Aline Bella Triwuri, Nurlinda Ayu Ulikaryani, Ulikaryani Zhilal Shadiq