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All Journal Indonesian Journal of Pure and Applied Chemistry Dalton : Jurnal Pendidikan Kimia dan Ilmu Kimia Jurnal Inovasi Teknik Kimia
Ninik Triayu Susparini, Ninik Triayu
Universitas Sebelas Maret
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education

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EFESIENSI PENURUNAN KANDUNGAN LOGAM BERAT TIMBAL (Pb) MENGGUNAKAN METODE FITOREMEDIASI DENGAN MEDIA TANAMAN GONDA (Sphenoclea zeylanica Gaertn) Susparini, Ninik Triayu; Rohman, Fathur; Hindriani, Heny
Dalton : Jurnal Pendidikan Kimia dan Ilmu Kimia Vol 7, No 2 (2024)
Publisher : Universitas Islam Kalimantan MAB Banjarmasin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31602/dl.v7i2.15719

Abstract

Limbah industri merupakan salah satu sumber pencemaran logam berat seperti timbal (Pb) yang menimbulkan dampak berbahaya bagi ekosistem dan kesehatan. Tanaman gonda (Sphenoclea zeylanica gaertn) merupakan komoditi lokal Kota Cilegon yang belum banyak dieksplor manfaatnya. Penelitian ini bertujuan untuk mengetahui efektivitas tanaman gonda terhadap penurunan kadar logam Pb pada limbah cair industri. Metode yang digunakan adalah metode analisis deskriptif kuantitatif rancangan acak lengkap desain faktorial 2x3x3 dengan variable bebas berupa jumlah tanaman yaitu, 5,10 dan 15 tangkai dan waktu fitoremediasi yaitu, 2,4 dan 6 hari. Penurunan konsentrasi Pb diukur dengan Spektrofotometri Serapan Atom (AAS). Hasil penelitian menunjukan tanaman gonda dapat menyerap logam berat timbal (Pb) dengan hasil efesiensi optimum yaitu pada hari ke-6 dan jumlah tanaman sebanyak 15 tangkai dengan persentase sebesar 92,43 %. Dapat disimpulkan bahwa hubungan antara waktu dan jumlah tanaman gonda berpengaruh dalam penurunan kandungan logam berat timbal (Pb) menggunakan metode fitoremediasi.
PENGARUH PENAMBAHAN KOAGULAN BIJI KELOR TERHADAP PENURUNAN KADAR LOGAM KROMIUM (Cr), MANGAN (Mn), DAN TIMBAL (Pb) MENGGUNAKAN ICP-OES (THE ADDITION EFFECT OF KELOR SEEDS COAGULANT ON THE DECREASING OF CHROMIUM (Cr), MANGANESE (Mn), AND LEAD (Pb) LEVELS USING ICP-OES) Susvira, Dian; Ramadhan, Muhammad Bagus; Susparini, Ninik Triayu; Situmeang, Boima; Widiyanto, Holisha; Bialangi, Nurhayati; Musa, Weny JA
Indonesian Journal of Pure and Applied Chemistry Vol 7, No 1 (2024)
Publisher : Tanjungpura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/indonesian.v7i1.63599

Abstract

Electroplating process has a negative effect in form metal ions waste. Today, industrial wastewater treatment widely using aluminum sulfate or alum as synthetic coagulants, although hazardous and expensive. This study was conducted to discover the activity of Moringa seeds (Moringa oleifera) as natural coagulants to substitute synthetic coagulants. Trapped metal ions detected by ICP-OES. The results showed that moringa seed coagulants could reduce 53% Cr, 64.56% Mn, and 92.89% Pb in the addition of 15 grams of moringa seed coagulants.
SYNERGISTIC INTERFACIAL CHEMISTRY OF HUMIC ACID AND ACTIVATED FLY ASH FOR HIGH-PERFORMANCE Mn²⁺ ADSORPTION Susparini, Ninik Triayu; Ramadhan, Alamsyah Sultan; Aferta, Lusi; Benu, Marlon Jusak Renaldy; Wijayanti, Sri; Tantowi, Ali
Jurnal Inovasi Teknik Kimia Vol. 10 No. 4 (2025): October| INTEKA - Jurnal Inovasi Teknik Kimia
Publisher : Fakultas Teknik Universitas Wahid Hasyim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31942/inteka.v10i4.14706

Abstract

This study developed a hybrid adsorbent derived from activated fly ash (FA) and humic acid (HA) for effective Mn²⁺ removal from aqueous solutions. Fly ash was activated using 1 M NaOH to increase its surface hydroxyl groups (≡Si–OH and ≡Al–OH) and enhance reactivity. The activated FA was then composited with HA, which contains abundant –COOH and –OH groups, forming an inorganic–organic hybrid with improved adsorption capability. The HA–FA composite with a 1:3 mass ratio exhibited the highest Mn²⁺ removal efficiency of 98.80% after 120 minutes, significantly outperforming both HA and FA individually. FTIR analysis confirmed the formation of Si–O–C and Al–O–C linkages, indicating strong chemical interactions between the mineral and organic phases. Statistical analysis (Shapiro–Wilk, Levene, and ANOVA; p < 0.05) demonstrated that both adsorbent composition and contact time significantly influenced the adsorption efficiency. Overall, the HA–FA hybrid represents a low-cost, sustainable, and high-performance adsorbent capable of efficiently removing heavy metals from wastewater, providing a promising approach for transforming industrial and natural wastes into functional environmental materials
Co-Authors Aferta, Lusi Ali Tantowi Benu, Marlon Jusak Renaldy Fathur Rohman, Fathur Heny Hindriani Nurhayati Bialangi Ramadhan, Alamsyah Sultan Ramadhan, Muhammad Bagus Situmeang, Boima Sri Wijayanti Susvira, Dian Widiyanto, Holisha