Search Results - "Nugraha, Reva Edra"

Bubble formation phenomenon on the absorber column for CO2 absorption and to produce precipitated silica sodium carbonate by Muljani, Srie, Setyawan, Heru, Reva Edra Nugraha

“…CO2 absorption using sodium silicate aqueous solution in a bubble column has been studied. Sodium silicate aqueous solutions are classified as non-Newtonian…”
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Facile synthesis of ZIF-8 nanoparticles using polar acetic acid solvent for enhanced adsorption of methylene blue by Santoso, Eko, Ediati, Ratna, Istiqomah, Zahrotul, Sulistiono, Dety Oktavia, Nugraha, Reva Edra, Kusumawati, Yuly, Bahruji, Hasliza, Prasetyoko, Didik

“…Synthesis of ZIF-8 using acetic acid (AA) as polar solvent produced uniform nanoparticles with enhanced adsorption properties for methylene blue removal…”
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Green Synthesis of Hexagonal Hematite (α-Fe 2 O 3 ) Flakes Using Pluronic F127-Gelatin Template for Adsorption and Photodegradation of Ibuprofen by Ulfa, Maria, Prasetyoko, Didik, Bahruji, Hasliza, Nugraha, Reva Edra

“…Hematite (α-Fe O ) with uniform hexagonal flake morphology has been successfully synthesized using a combination of gelatin as natural template with F127 via…”
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Coprecipitation and hydrothermal synthesis of CaO from dolomite in the presence of Sapindus rarak extract for biodiesel production: catalysts characterization and optimization by Widiarti, Nuni, Holilah, Holilah, Bahruji, Hasliza, Nugraha, Reva Edra, Suprapto, Suprapto, Ni'mah, Yatim Lailun, Prasetyoko, Didik

“…High-purity CaO cubic crystallites extracted from limestone exhibited excellent activity as base catalysts for waste cooking oil (WCO) conversion into…”
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Utilization of red mud waste into mesoporous ZSM-5 for methylene blue adsorption-desorption studies by Tehubijuluw, Hellna, Subagyo, Riki, Yulita, Maulil Fatma, Nugraha, Reva Edra, Kusumawati, Yuly, Bahruji, Hasliza, Jalil, Aishah Abdul, Hartati, Hartati, Prasetyoko, Didik

“…Red mud as industrial waste from bauxite was utilized as a precursor for the synthesis of mesoporous ZSM-5. A high concentration of iron oxide in red mud was…”
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Microwave-assisted synthesis of silver nanoparticles as a colorimetric sensor for hydrogen peroxide by Ismillayli, Nurul, Suprapto, Suprapto, Santoso, Eko, Nugraha, Reva Edra, Holilah, Holilah, Bahruji, Hasliza, Jalil, Aishah Abdul, Hermanto, Dhony, Prasetyoko, Didik

“…To consider silver nanoparticles (AgNPs) as a colorimetric sensor for H 2 O 2 we require investigation of the effects of the homogeneity of the nanoparticle…”
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The role of pH-induced tautomerism of polyvinylpyrrolidone on the size, stability, and antioxidant and antibacterial activities of silver nanoparticles synthesized using microwave radiation by Ismillayli, Nurul, Suprapto, Suprapto, Santoso, Eko, Nugraha, Reva Edra, Holilah, Holilah, Bahruji, Hasliza, Jalil, Aishah Abdul, Hermanto, Dhony, Prasetyoko, Didik

“…Tautomerism alters the structure and properties of materials, which can be exploited to control their chemical and biological activities. The role of…”
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Optimization of hierarchical ZSM-5 structure from kaolin as catalysts for biofuel production by Maharani, Dina Kartika, Kusumawati, Yuly, Safitri, Widiya Nur, Nugraha, Reva Edra, Holilah, Holilah, Sholeha, Novia Amalia, Jalil, Aishah Abdul, Bahruji, Hasliza, Prasetyoko, Didik

“…Optimization of hierarchical ZSM-5 structure by variation of the first hydrothermal step at different times provides insight into the evolution of…”
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Synthesis of mesoporous zeolite Y using Sapindus rarak extract as natural organic surfactant for deoxygenation of Reutealis trisperma oil to biofuel by Aziz, Abdul, Andini Putri, Berliana Gricelda, Prasetyoko, Didik, Nugraha, Reva Edra, Holilah, Holilah, Bahruji, Hasliza, Jalil, Aishah Abdul, Suprapto, Suprapto, Hartati, Hartati, Asikin-Mijan, Nurul

“…Saponin is a plant-derived chemical with an amphiphilic glycoconjugate structure extracted from sapindaceae plants like Sapindus rarak . This study…”
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Direct synthesis of Fe-aluminosilicates from red mud for catalytic deoxygenation of waste cooking oil by Ramdhani, Eka Putra, Santoso, Eko, Holilah, Holilah, Nugraha, Reva Edra, Bahruji, Hasliza, Suprapto, Suprapto, Jalil, Aishah Abdul, Asikin-Mijan, Nurul, Akhlus, Syafsir, Prasetyoko, Didik

“…Conversion of red mud (RM) that contains a high level of silica, alumina and iron minerals into heterogenous catalysts, offers a route for the utilization of…”
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Lewis acid Ni/Al-MCM-41 catalysts for H2-free deoxygenation of Reutealis trisperma oil to biofuels by Reva Edra Nugraha, Prasetyoko, Didik, Bahruji, Hasliza, Suprapto, Suprapto, Asikin-Mijan, Nurul, Titie Prapti Oetami, Aishah Abdul Jalil, Vo, Dai-Viet N, Taufiq-Yap, Yun Hin

“…The activity of mesoporous Al-MCM-41 for deoxygenation of Reutealis trisperma oil (RTO) was enhanced via modification with NiO nanoparticles. Deoxygenation at…”
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Change Of Pvdf Ultrafiltration Membranes For Humus Acid Removal Applications In Water By Adding Fe2o3/Zeolite Additives by Mumtazah, Zuhriah, Nugraha, Reva Edra, Priyangga, Arif, Muharja, Maktum, Fitria Darmayanti, Rizki, Kharisma Yolanda Putri, Ditta

“…One of the most often used polymers as the primary component of membranes is polyvinylidene fluoride or PVDF. Nonetheless, its hydrophobic characteristic…”
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Dolomite catalyst for fast pyrolysis of waste cooking oil into hydrocarbon fuel by Buyang, Yorinda, Nugraha, Reva Edra, Holilah, Holilah, Bahruji, Hasliza, Suprapto, Suprapto, Jalil, Aishah Abdul, Muryani, Muryani, Prasetyoko, Didik

“…•Fresh dolomite has high activity for pyrolysis of WCO than calcined dolomite.•Dolomite enhanced reaction rate, hydrocarbon yield and reduced char…”
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Aluminosilicates Catalysts Synthesis from Low-Grade Indonesian Kaolin for the Acetalization Reaction by Hartati Hartati, Qurrota A’yuni, Nastiti Heru Saputri, Dea Zaqiatul Mardho, Putri Bintang Dea Firda, Hartono Hartono, Hasliza Bahruji, Reva Edra Nugraha, Novia Amalia Sholeha, Didik Prasetyoko

“…Aluminosilicate and ZSM-5 catalyst were synthesized from local materials, low-grade Indonesian kaolin. High quartz impurities content in the low-grade kaolin…”
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Mesoporous silica catalyst using Sapindus rarak extract as template for deoxygenation of waste cooking oil to biofuels by Jovita, Stella, Holilah, Holilah, Khairunisa, Nada Nabila, Bahruji, Hasliza, Nugraha, Reva Edra, Sholeha, Novia Amalia, Aziz, Abdul, Ediati, Ratna, Jalil, Aishah Abdul, Prasetyoko, Didik

“…Mesoporous silica was synthesized using biosurfactant templates to tailor the mesoporosity and catalytic activity in waste cooking oil conversion to liquid…”
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Tailoring acid-base properties on metal-free zeolite from Indonesia kaolin to enhance the CO2 hydrogenation to CH4 by Sholeha, Novia Amalia, Dewanto, Bintang, Jovita, Stella, Nugraha, Reva Edra, Taufiq-Yap, Yun Hin, Ulfa, Maria, Fauzi, Anees Ameera, Jalil, Aishah Abdul, Bahruji, Hasliza, Prasetyoko, Didik

“…The catalytic thermal conversion of carbon dioxide is essential for carbon capture, storage, and utilization, helping to reduce CO2 emissions and potentially…”
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The mechanism of oleic acid deoxygenation to green diesel hydrocarbon using porous aluminosilicate catalysts by Nugraha, Reva Edra, Purnomo, Hari, Aziz, Abdul, Holilah, Holilah, Bahruji, Hasliza, Asikin-Mijan, Nurul, Suprapto, Suprapto, Taufiq-Yap, Yun Hin, Jalil, Aishah Abdul, Hartati, Hartati, Prasetyoko, Didik

“…•Direct synthesis of porous aluminosilicates from Indonesian kaolin.•Mesoporosity arrangement in aluminosilicate determined the mechanistic pathway.•Large…”
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Jet-fuel range hydrocarbon production from Reutealis trisperma oil over Al-MCM-41 derived from Indonesian Kaolin with different Si/Al ratio by Nugraha, Reva Edra, Prasetyoko, Didik, Nareswari, Nabila Argya, Aziz, Abdul, Holilah, Holilah, Bahruji, Hasliza, Yusop, Muhammad Rahimi, Asikin-Mijan, Nurul, Suprapto, Suprapto, Taufiq-Yap, Yun Hin, Jalil, Aishah Abdul, Purnami, Santi Wulan, Hartati, Hartati

“…The catalytic conversion of Reutealis trisperma oil was carried out over a Al-MCM-41 based catalyst with different Si/Al ratio with no added hydrogen to…”
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Reusability of lactic acid on hydrolysis of nanocrystalline cellulose from pepper waste (piper nigrum L.) by Holilah, Holilah, Suryanegara, Lisman, Bahruji, Hasliza, Hamid, Zuratul Ain Abdul, Wahyudi, Muhammad Sapto, Masruchin, Nanang, Asranudin, Asranudin, Faradilla, RH. Fitri, Syafri, Edi, Melenia, Alvina Tata, Jovita, Stella, Nugraha, Reva Edra, Prasetyoko, Didik

“…Lactic acid recovery and reusability for hydrolysis of cellulose offers an economical method and produces fewer waste streams. Successful lactic acid recovery…”
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Recent trend of metal promoter role for CO2 hydrogenation to C1 and C2+ products by Sholeha, Novia Amalia, Holilah, Holilah, Bahruji, Hasliza, Ayub, Athirah, Widiastuti, Nurul, Ediati, Ratna, Jalil, Aishah Abdul, Ulfa, Maria, Masruchin, Nanang, Nugraha, Reva Edra, Prasetyoko, Didik

“…•Different metal promoters result in different selectivity of the C1 (methanol and methane) and C2+ (olefin) products on CO2 hydrogenation.•Metal promoters…”
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