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  • Synthesis of Carbon Dots From Empty Fruit Bunch Biochar an Acid-Free Hydrothermal Method

    Marpongahtun Marpongahtun, Rufina Pramudita, Saharman Gea, Amru Daulay
    🏢 Affiliation Details
    (1) Marpongahtun Marpongahtun: Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Sumatera Utara, Medan
    (2) Rufina Pramudita: Postgraduate School, Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Sumatera Utara, Medan
    (3) Saharman Gea: Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Sumatera Utara, Medan
    (4) Amru Daulay: Postgraduate School, Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Sumatera Utara, Medan
    📄 Pages: 61-70
    📊 Views: 151 , ⬇️ Downloads: 103 , 🌐️ DOI: 10.22373/ekw.v9i1.14524
    📅 Published: 18-08-2023

  • Nitrogen-Doped Carbon Dots From Bilimbi Juice (Averrhoa bilimbi L.) Via Hydrothermal Method For Iron and Mercury Sensing

    Averroes Fazlur Rahman Piliang, Kerista Tarigan, Syahrul Humaidi, Diana Alemin Barus, Saharman Gea
    🏢 Affiliation Details
    (1) Averroes Fazlur Rahman Piliang: Department of Physics, Faculty of Mathematics and Natural Sciences, Universitas Sumatera Utara, Medan
    (2) Kerista Tarigan: Department of Physics, Faculty of Mathematics and Natural Sciences, Universitas Sumatera Utara, Medan
    (3) Syahrul Humaidi: Department of Physics, Faculty of Mathematics and Natural Sciences, Universitas Sumatera Utara, Medan
    (4) Diana Alemin Barus: Department of Physics, Faculty of Mathematics and Natural Sciences, Universitas Sumatera Utara, Medan
    (5) Saharman Gea: Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Sumatera Utara, Medan
    📄 Pages: 149-160
    📊 Views: 129 , ⬇️ Downloads: 92 , 🌐️ DOI: 10.22373/ekw.v8i1.11813
    📅 Published: 30-06-2022

  • Removal of Lead Ion (Pb2+) in Water Using Modified Clay-Carbon-Manganese Monolith: Characterization and Adsorption Studies

    Hafni Putri Indriani Indra, Darmadi Darmadi, Adisalamun Adisalamun, Aula Chairunnisak, Nasrullah RCL
    🏢 Affiliation Details
    (1) Hafni Putri Indriani Indra: Graduate School of Chemical Engineering, Universitas Syiah Kuala, Banda Aceh
    (2) Darmadi Darmadi: Department of Chemical Engineering, Universitas Syiah Kuala, Banda Aceh
    (3) Adisalamun Adisalamun: Department of Chemical Engineering, Universitas Syiah Kuala, Banda Aceh
    (4) Aula Chairunnisak: Department of Chemical Engineering, Universitas Syiah Kuala, Banda Aceh
    (5) Nasrullah RCL: Department of Chemical Engineering, Universitas Syiah Kuala, Banda Aceh
    📄 Pages: 188-203
    📊 Views: 108 , ⬇️ Downloads: 114 , 🌐️ DOI: 10.22373/ekw.v9i2.16976
    📅 Published: 30-12-2023

  • Potensi Karbon Tersimpan Hutan Taman Nasional Gunung Leuser Resort Tenggulun Sebagai Upaya Mitigasi Perubahan Iklim

    Zulfan Arico, Sri Jayanthi
    🏢 Affiliation Details
    (1) Zulfan Arico: Program Studi Biologi, Universitas Samudra, Langsa, Indonesia
    (2) Sri Jayanthi: Program Studi Pendidikan Biologi, Universitas Samudra, Langsa, Indonesia
    📄 Pages: 143-152
    📊 Views: 79 , 🌐️ DOI: 10.22373/ekw.v2i2.2660
    📅 Published: 31-12-2016

  • Adsorption of Cadmium Metal Ions by a Physically-Chemically Activated Adsorbent From Candlenut (Aleurites Moluccana) Shells

    Endy Setiawan, Muhammad Faisal, Mariana Mariana
    🏢 Affiliation Details
    (1) Endy Setiawan: Magister Program of Environmental Management, Universitas Syiah Kuala, Banda Aceh
    (2) Muhammad Faisal: Department of Chemical Engineering, Faculty of Engineering, Universitas Syiah Kuala, Banda Aceh
    (3) Mariana Mariana: Department of Chemical Engineering, Faculty of Engineering, Universitas Syiah Kuala, Banda Aceh
    📄 Pages: 172-187
    📊 Views: 99 , ⬇️ Downloads: 67 , 🌐️ DOI: 10.22373/ekw.v9i2.16956
    📅 Published: 31-12-2023
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