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All Journal Eksergi: Chemical Engineering Journal Seminar Nasional Teknik Kimia Kejuangan Konversi Jurnal Penelitian Karet Jurnal Chemurgy Jurnal Nutrisi Ternak Tropis (JNT) Abdimasku : Jurnal Pengabdian Masyarakat Jurnal Riset Teknologi Pencegahan Pencemaran Industri REACTOR : Journal of Research On Chemistry And Engineering JITEL (Jurnal Ilmiah Telekomunikasi, Elektronika, dan Listrik Tenaga) Journal of Industrial Community Empowerment Jurnal Pengabdian Masyarakat Bangsa Maximus: Journal of Biological and Life Sciences TeknoKreatif: Jurnal Pengabdian kepada Masyarakat Journal Of Chemical Process Engineering JURNAL REKAYASA KIMIA & LINGKUNGAN Jurnal Bioteknologi & Biosains Indonesia (JBBI) Jurnal Bioteknologi & Biosains Indonesia ISTA Online Technologi Journal
Deviany, Deviany
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Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Nursing Physics Public Health Social Sciences Veterinary Other

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UJI EFEKTIVITAS ADSORBEN DARI KULIT DURIAN TERHADAP KADAR COD DAN TSS PADA LIMBAH CAIR INDUSTRI TAHU Nury, Dennis Farina; Damayanti, Alfira Putri; Deviany, Deviany; Luthfi, Muhammad Zulfikar
Jurnal Chemurgy Vol 9, No 2 (2025): Jurnal Chemurgy-Desember 2025
Publisher : Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/cmg.v9i2.21739

Abstract

AbstrakPenelitian ini bertujuan untuk mengevaluasi efektivitas adsorben arang aktif dari kulit durian dalam menurunkan kadar BOD dan COD pada limbah cair industri pengolahan rumput laut. Proses adsorpsi dilakukan dengan variasi massa adsorben dan waktu kontak untuk menentukan kondisi optimum. Hasil terbaik diperoleh pada perlakuan massa adsorben 100 gram dengan waktu kontak 2 jam, yang menghasilkan penurunan BOD sebesar 74,4 mg/L (6,06%) dan COD sebesar 224,1 mg/L (21,64%). Penurunan kadar BOD dan COD menunjukkan bahwa peningkatan massa adsorben dan waktu kontak memberikan pengaruh positif terhadap kemampuan adsorpsi. Namun demikian, efektivitas adsorpsi dapat dipengaruhi oleh faktor kejenuhan adsorben, fouling pada permukaan, serta proses desorpsi yang terjadi pada waktu kontak lebih lama. Karakteristik proses adsorpsi dianalisis menggunakan model isoterm Langmuir dan Freundlich. Hasil analisis menunjukkan bahwa data adsorpsi lebih sesuai dengan model isoterm Langmuir, yang mengindikasikan terjadinya adsorpsi monolayer pada permukaan homogen. Dengan demikian, optimasi massa dan waktu kontak diperlukan agar adsorpsi berlangsung efektif dalam menurunkan beban pencemar organik. Kata Kunci: adsorpsi, arang aktif, kulit durian, BOD, COD, isoterm LangmuirAbstract This study aims to evaluate the effectiveness of activated carbon adsorbent derived from durian peel in reducing BOD and COD levels in wastewater from the seaweed processing industry. The adsorption process was conducted by varying the adsorbent mass and contact time to determine the optimum conditions. The best result was achieved with 100 grams of adsorbent and 2 hours of contact time, resulting in a BOD reduction to 74.4 mg/L (6.06%) and COD to 224.1 mg/L (21.64%). The decrease in BOD and COD levels indicates that increasing adsorbent mass and contact time positively influences adsorption efficiency. However, the adsorption performance may be limited by adsorbent saturation, surface fouling, and desorption at prolonged contact times. The adsorption characteristics were analyzed using Langmuir and Freundlich isotherm models. The results revealed that the Langmuir isotherm better described the adsorption process, indicating monolayer adsorption on a homogeneous surface. Therefore, optimizing the adsorbent mass and contact time is crucial to achieving efficient organic pollutant removal. Keywords: adsorption, activated carbon, durian peel, BOD, COD, Langmuir isotherm
Performance Test of Biogas Production from Tapioca Wastewater: Effect of HRT and Immobilized Media Sanjaya, Andri; Arhab, jabir Shoji; Salsabila, Dwinda; Damayanti, Damayanti; Fahni, Yunita; Deviany, Deviany; Agustryani, Putri; Auriyani, Wika Atro; Saputri, Desi Riana
Eksergi Vol 23 No 1 (2026)
Publisher : Prodi Teknik Kimia UPN "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/eksergi.v23i1.16197

Abstract

Tapioca starch industry wastewater contains high concentrations of organic matter, offering potential for renewable energy generation via biogas production. This study evaluates the effects of hydraulic retention time (HRT) variation and Lampung natural zeolite as an immobilization medium on biogas production in an anaerobic reactor. Two reactor configurations were compared: one with zeolite as the microbial immobilization medium and a control reactor without any immobilization media. Zeolite improved the sCOD degradation efficiency up to 93% compared to the non-immobilized reactor. VFA conversion to methane remained more stable with zeolite, producing up to 520 mL of biogas at a 10-day HRT, with an average biogas yield of 61.97 mL/g dry substrate, much higher than 4.15 mL/g in the non-immobilized reactor. This research confirms the effectiveness of Lampung natural zeolite for enhancing microbial retention, accelerating methanogenesis, and improving overall anaerobic reactor performance. These results have substantial implications for developing efficient, sustainable, and environmentally friendly treatment technologies for tapioca starch wastewater, offering simultaneous solutions for pollution control and renewable energy generation.
PENGARUH MASSA KARBON AKTIF DAN KONSENTRASI ADSORBAT DALAM PENYERAPAN ZAT WARNA METILEN BLUE Nury, Dennis; Luthfi, Muhammad Zulfikar; Deviany, Deviany; Achmad, Feerzet; Panjaitan, Jabosar Ronggur Hamonangan
ISTA Online Technologi Journal Vol. 4 No. 2 (2023): Agustus 2023
Publisher : Institut Sains dan Teknologi Al-Kamal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62702/ion.v4i2.89

Abstract

In this study, the effect of activated carbon mass and methylene blue solution concentration on adsorption capacity, the length of time required to reach equilibrium, and isothermal modeling of activated carbon material in the adsorption process were studied. The variables used are the mass of activated carbon as much as 100 mg, 75 mg, and 50 mg and the concentration of methylene blue solution of 20, 40, 60, 80, and 100 ppm. The adsorption process in the three mass variations occurred at an optimum contact time of 80 and 90 minutes with an adsorption percentage of 99%. Adsorption of methylene blue dye by activated carbon from durian peel follows Freundlich isothermal modeling with a K value of 15846.44 mg/g and 1/n of 23.666 which shows an indicator of concentration dependence of the amount of energy associated with the adsorption process.
Co-Authors AA Sudharmawan, AA Aditya, Fajri Afriliza, Tiara Fitri Agustryani, Putri Akhmad Zainal Abidin, Akhmad Zainal Aldillah Herlambang Alhuda, Alhuda Andri Sanjaya Antika, Rindi Ardian, Muhammad Ikhwan Arhab, Jabir Shoji Armanda, Selvy Auriyani, Wika Atro Az-zahra, Syifa A’yuni , Dewi Qurrota Br Pelawi, Luluinaita Corrysha, Jihan Luthfi Damayanti Damayanti Damayanti, Alfira Putri Demi Dama Yanti Dennis Farina Nury Fahmi, Yunita Fahni, Yunita Febrina, Yane Fita Feerzet Achmad Fikrah, Faizatul Hernawan, Ashilah Diandra Jabosar Ronggur Hamonangan Panjaitan Khaerunissa Anbar Istiadi Mahendra, Lufi Eka Mardiansyah, Rio Marlina, Titi Mediana, Annisa Misbahudin Alhanif Muhammad Zulfikar Luthfi Musa Musa Mustafa , Mustafa Nainggolan, Gabriela Nugraha, Dea Amanda Nurafinda, Meylani Dwi Nuranisa, Ayunda Nury, Dennis Oktasari, Anggi Prasetyo, Rizky Dimas Purwanti, Millennia Rischa Putri, Amelia Syifa Divana Qarimah, Akhlatul Qorimah, Akhlatul Rahmadini, Gustia Ramadhan, Aditia Fajar Ramadhan, Zulfikar Raqin, Mohammad Rayhan Reni Yuniarti Rosafira, Adela Salsabila, Dwinda Saputri, Desi Riana Satria , Arysca Wisnu Setianingsih, Putri Indah Ayu Simbolon, Nur Indah Suharto Suharto Suhartono Suryanto, Ido Syarifah Aini Tambunan, Yonathan Marasi Yudhanti, Tri Febri Yusadetama, Ega Amoret Yusuf, Reggina Aulia Yusupandi, Fauzi Zhofiroh, Nawrah Meisyah Muthi'ah