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All Journal International Journal of Renewable Energy Development Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Journal of Degraded and Mining Lands Management The Journal of Pure and Applied Chemistry Research IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) Biomedical Journal of Indonesia Science and Technology Indonesia Jurnal Penelitian Sains Indonesian Journal of Chemistry Communications in Science and Technology CHEESA: Chemical Engineering Research Articles Molekul: Jurnal Ilmiah Kimia Jurnal Gema Ngabdi Jurnal Abdi Insani Jurnal Pengendalian Pencemaran Lingkungan (JPPL) Budapest International Research and Critics Institute-Journal (BIRCI-Journal): Humanities and Social Sciences Jurnal Abdi Masyarakat Indonesia Jurnal Altifani Penelitian dan Pengabdian kepada Masyarakat SRIWIJAYA JOURNAL OF ENVIRONMENT Makara Journal of Science Jurnal Pepadu Jurnal Ruaya : Jurnal Penelitian dan Kajian Ilmu Perikanan dan Kelautan Aceh International Journal of Science and Technology Molekul: Jurnal Ilmiah Kimia Komunita: Jurnal Pengabdian dan Pemberdayaan Masyarakat Bulletin of Chemical Reaction Engineering & Catalysis
Poedji Loekitowati Hariani
Department Of Chemistry, Universitas Sriwijaya
Religion 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 Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Nursing Physics Public Health Social Sciences Veterinary

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Biokonsentrasi Faktor (BCF) dan Faktor Translokasi (TF) Purun tikus (Eleocharis dulcis) dalam Fitoremediasi Air Asam Tambang Ratu Wulandari Permatasari Putri; Poedji Loekitowati Hariani; Zainal Arifin
Jurnal Pengendalian Pencemaran Lingkungan (JPPL) Vol. 5 No. 1 (2023): JPPL, Maret 2023
Publisher : Pusat Penelitian dan Pengabdian Kepada Masyarakat (P3M)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/jppl.v5i1.1832

Abstract

Acid mine drainage is mining waste that contains a lot of sulfate and heavy metals such as Fe and Mn which can cause environmental damage and pollute the ecosystem, therefore it needs to be managed. One way to manage acid mine drainage is with phytoremediation techniques using Purun tikus (Eleocharis dulcis). The ability of Purun tikus to accumulate heavy metals can be known by calculating the bio-concentration factor (BCF) and tranclocation factor (TF). This study aims to determine the value of bio concentration factor (BCF) and tranclocation factor (TF) in rat purun in absorbing Fe and Mn so that it can be used for coal mine acid water management. Sampling was conducted using Convenience sampling method. Analysis of Fe, Mn, BCF and TF levels was carried out using an atomic absorption spectrophotometer. In the study, the bio concentration factor (BCF) value for Fe was 7.53, and for Mn was 30.09. While the value of the tranclocation factor (TF) for Fe is 0.77 or the value of TF less than 1, this indicates that rat Purun in accumulating Fe metal uses a phytostabilization mechanism. Then the tranclocation factor (TF) value for Mn is 1.44 or TF value more than 1, indicating that in accumulating Mn metal, Purun rats use a phytoextraction mechanism.
Performance Analysis of Ceramic Membranes in Clean Water Treatment on River Water Quality Yogi Astrada; Poedji Loekitowati Hariani; Muhammad Faizal
IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) Vol 7, No 3 (2022): October 2022
Publisher : IJFAC (Indonesian Journal of Fundamental and Applied Chemistry)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24845/ijfac.v7.i3.100

Abstract

The clean water treatment process changes the physical, chemical, and biological properties of water so that it meets the requirements for use as drinking water or daily needs. The purpose of this research is to analyze the performance of ceramic membranes in processing water from the Kelekar River into clean water using an environmentally friendly microfiltration–adsorption–ceramic membrane integrated process. The research was carried out from January to April 2022 at the Chemical Engineering Laboratory of the Sriwijaya Polytechnic. The sampling location for this research is Kelekar River, Karang Raja Village, East Prabumulih. The main tools and materials are a series of water filters (microfiltration–adsorption–ceramic membrane) and river water. The analysis results show that a series of microfiltration-adsorption-ceramic membrane integrated process water treatment equipment can be used to treat river water into clean water. Based on the analysis of river water quality parameters, such as BOD5, iron (Fe), manganese (Mn), nitrate (NO3-), ammonia (NH3-N), and total coliform bacteria after water treatment were within environmental quality standards. Meanwhile, COD and nitrite (NO2-) were still not meeting the environmental quality standards set by Government Regulation of Republic Indonesia No. 22 of 2021 concerning the implementation of environmental protection and management.
Natural Resources and Environment Management for the Development of Local Wisdom Yuliana, Evi; Yusuf, Maulana; Nirmalasary, Try Nensy; Amri, Nanda Hasanul; Erlyn, Putri; Hariani, Poedji Loekitowati; Hidayat, Bachtari Alam
Budapest International Research and Critics Institute-Journal (BIRCI-Journal) Vol 4, No 4 (2021): Budapest International Research and Critics Institute November
Publisher : Budapest International Research and Critics University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/birci.v4i4.2759

Abstract

Natural resources are environmental components that include biological and non-biological resources that work together to produce an ecosystem. Rivers are one of the natural resources that sustain life. Musi River is a 750-kilometer-long river in the Indonesian state of South Sumatra. Rivers are an integral aspect of the environment and natural resources that must be protected in order for humanity to survive. Natural resources have the potential to be a source of local wisdom development. The objective of this research is to gain an understanding of how natural resources and the environment are managed in order to foster the development of indigenous wisdom. The purpose of this study is to define and analyze the opportunities, challenges, strengths, and weaknesses associated with natural resource management and the development of indigenous knowledge in Palembang. Palembang's natural resources, particularly its rivers, have the potential to have a positive impact on the environment and the development of indigenous wisdom if managed optimally. Ecological awareness is critical for the people of Palembang in managing the potential of natural resources for the development of local knowledge, such as maintaining the river's purity and keeping the fauna that is a source of local wisdom.
The Use of Molasses in Producing Bioethanol Catalyzed by Candida tropicalis (Isolated from Cocos nucifera. L) Immobilized MnFe2O4 Coated-Chitosan Kasmiarti, Getari; Hermansyah, Hermansyah; Novia, Novia; Hariani, Poedji Loekitowati
Molekul Vol 19 No 1 (2024)
Publisher : Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jm.2024.19.1.10765

Abstract

Bioethanol is a sustainable fuel product to be an alternative energy source. Therefore, the study aims to observe and analyze the effect of MnFe2O4 coated-chitosan in increasing bioethanol production. This bioethanol was produced from molasses with a high total sugar content of up to 50% with Candida tropicalis as the microorganism. Fermentation is divided into two parts, namely using free C. tropicalis and C. tropicalis immobilized MnFe2O4 coated-chitosan. There was electrostatic interaction between MnFe2O4 and chitosan in 578 cm-1 and 659 cm-1 of FTIR, cubic spinel pattern in XRD, and SEM surface image of C. tropicalis immobilized MnFe2O4 coated-chitosan interaction. These characterization results show very good properties as a biocatalyst. The highest concentration was produced by fermentation using C. tropicalis immobilized MnFe2O4 coated-chitosan about 4.35% with residual sugar of 8.46 g/L. In summary C. tropicalis immobilized MnFe2O4 coated-chitosan have the potential to improve bioethanol products.
Pelatihan Pembuatan Salep Untuk Infeksi Kulit dari Ekstrak Daun Karamunting (Rhodomyrtus Tomentosa) Di Desa Tanjung Baru, Ogan Ilir Ferlinahayati, Ferlinahayati; Rachmat, Addy; Hermansyah, Hermansyah; Elfita, Elfita; Hariani, Poedji Loekitowati
Jurnal Altifani Penelitian dan Pengabdian kepada Masyarakat Vol. 4 No. 1 (2024): Januari 2024 - Jurnal Altifani Penelitian dan Pengabdian kepada Masyarakat
Publisher : Indonesian Scientific Journal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59395/altifani.v4i1.518

Abstract

Kulit memiliki fungsi sebagai pertahanan pertama untuk melindungi tubuh dari penyakit. Infeksi kulit dapat disebabkan oleh mikroorganisme, seperti bakteri, virus, jamur, atau parasit. Tanaman karamunting (Rhodomyrtus tomentosa) secara tradisional telah digunakan masyarakat untuk pengobatan termasuk pengobatan luka. Kegiatan pengabdian masyarakat ini bertujuan memberikan pelatihan pembuatan salep untuk pengobatan infeksi kulit dari ekstrak etanol daun karamunting berbasis vaselin.  Kegiatan pengabdian masyarakat dilakukan di desa Tanjung Baru, kecamatan Indralaya Utara, kabupaten Ogan Ilir. Khalayak sasaran adalah ibu-ibu PKK dan remaja putri sebanyak 30 orang. Tahapan kegiatan yaitu (i) penyuluhan tentang penyakit infeksi kulit, penyebab infeksi kulit, penularan dan pengobatan, (ii) pelatihan pembuatan ekstrak etanol dari daun karamunting, pembuatan salep berbasis vaselin dan (iii) evaluasi hasil kegiatan. Hasil evaluasi kegiatan dengan memberikan berbagai pertanyaan setelah kegiatan menunjukkan 97,62 % peserta menjawab tepat dan sangat tepat materi yang diberikan. Hasil uji tingkat kesukaan dan kenyamanan penggunaan salep menunjukkan sebanyak 82,64 % peserta menyatakan sangat suka terhadap aroma, bentuk, warna, kenyamanan dan daya lekat ketika salep digunakan. Hal ini mengindikasikan bahwa salep untuk infeksi kulit ini diterima dengan baik oleh masyarakat sebagai alternatif pengobatan penyakit infeksi kulit.
Determination of mercury in soil and water from a gold mining area in Karang Jaya Sub-district, Musi Rawas Utara, Indonesia Amallia, Ra Hoetary Tirta; Ibrahim, Eddy; Irfannuddin, Irfannuddin; Hariani, Poedji Loekitowati
Journal of Degraded and Mining Lands Management Vol. 11 No. 2 (2024)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2024.112.5375

Abstract

The present study focuses on the assessment of Hg distribution in both soil and water samples from the small-scale gold mining region of Karang Jaya Sub-district, Musi Rawas Utara Regency, South Sumatra Province. For over 30 years, this region has witnessed persistent utilization of mercury as an amalgam for gold extraction. The investigation encompasses an analysis of total mercury levels in soil samples obtained from Sukamenang, Muara Batang Empu, and Terusan Villages. As a comparative reference point devoid of gold mining activities, the neighboring Muara Lakitan Village was selected. The obtained results indicate a moderate to strong contamination level across the 30 sampled locations based on the Geoaccumulation Index (Igeo), with an average Igeo value of 2.6. Furthermore, Pollution Load Index (PLI) and Contamination Factor (CF) values demonstrate high contamination. Conversely, analysis of river water samples from 30 stations along the Rupit River reveals that most of the samples comply with quality standards (<0.0005 mg/L), with an average value at 0.000322 mg/L; only four stations exhibit total Hg concentrations surpassing regulatory thresholds. All soil and river water samples from the control area (10 stations) exhibited no signs of pollution. Appropriate investments in technology, finance, and technical skills are needed to reduce mercury pollution due to small-scale gold mining activities.
Photocatalytic degradation of methylene blue and Congo red dyes from aqueous solutions by bentonite-Fe3O4 magnetic Riyanti, Fahma; Hasanudin, Hasanudin; Rachmat, Addy; Purwaningrum, Widia; Hariani, Poedji Loekitowati
Communications in Science and Technology Vol 8 No 1 (2023)
Publisher : Komunitas Ilmuwan dan Profesional Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21924/cst.8.1.2023.1007

Abstract

This study describes the co-precipitation synthesis of magnetic bentonite-Fe3O4 for photocatalytic degradation of methylene blue and Congo red pigments under visible light. Bentonite-Fe3O4 composites were produced using the mass ratio of 2:1 and 1:1 for bentonite to Fe3O4, respectively. X-ray Powder Diffraction (XRD), Fourier Transform Infra-Red (FTIR), BET surface area, Vibrating-Sample Magnetometer (VSM), Scanning Electron Microscopy with Energy Dispersive Spectroscopy (SEM-EDS), and Ultraviolet–Visible Diffuse Reflectance Spectroscopy (UV DRS) were used to characterize the materials. The bentonite-Fe3O4 (1:1) composite exhibited a greater surface area in comparison to the bentonite-Fe3O4 (2:1) composite with a measured value of 106.6 m2/g. It is a superparamagnetic material with a band gap of 2.25 eV and a saturation magnetization of 69.64 emu/g. The photocatalytic degradation of dye using bentonite-Fe3O4 (1:1) with the initial dye concentration of 25 mg/L, volume of 50 mL, catalyst dose of 0.05 g/L, addition of 3 mL H2O2, and 90 minutes of visible irradiation resulted in 94.34% and 98.45% degradation efficiency of methylene blue and Congo red dyes, respectively. The study determined that the most favorable pH for the photocatalytic degradation of methylene blue was pH 11, whereas the optimal pH for Congo red was found at pH 5. For methylene blue and Congo red dyes, photocatalytic degradation followed pseudo-first-order with the constant rates of 0.0356 min-1 and 0.0348 min-1, respectively. After five cycles of use in the photocatalytic process, the catalyst's degradation efficiency fell into below 5%. This research demonstrated that catalysts could be utilized in wastewater treatment technology.
Optimization Photodegradation of Methylene Blue Dye using Bentonite/PDA/Fe3O4@CuO Composite by Response Surface Methodology Riyanti, Fahma; Hariani, Poedji Loekitowati; Hasanudin, Hasanudin; Rachmat, Addy; Purwaningrum, Widia
Bulletin of Chemical Reaction Engineering & Catalysis 2024: BCREC Volume 19 Issue 2 Year 2024 (August 2024)
Publisher : Masyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/bcrec.20132

Abstract

This study aims to synthesize bentonite/PDA/Fe3O4@CuO composites as a catalyst for the photodegradation of Methylene blue dye. Composite characterization involves X-ray Diffractometry (XRD), Scanning Electron Microscopy (SEM) with X-ray Energy Dispersion Spectrometry (EDS), UV-Vis Diffuse Reflectance Spectroscopy (UV-Vis DRS), and Vibrating Sample Magnetometer (VSM). Response Surface Methodology (RSM) employs Central Composite Design (CCD) to optimize photodegradation by varying dye concentration, irradiation time, and catalyst dose. The bentonite/PDA/Fe3O4@CuO composites exhibit a saturation magnetization value of 54.82 emu/g and a band gap of 2.1 eV. The optimization revealed that concentration and dose significantly impact the photodegradation efficiency. A quadratic model is suitable for modeling the photodegradation of Methylene blue dye using bentonite/PDA/Fe3O4@CuO composites, as determined by analysis of variance (ANOVA). The optimal conditions for achieving maximum photodegradation efficiency were identified as a dye concentration of 10 mg/L, an exposure time of 90 min, and a catalyst dose of 1.67 g/L. Under these parameters, the photodegradation process exhibited a remarkable efficiency of 100%. The Bentonite/PDA/Fe3O4@CuO composites exhibited strong stability, efficiency, and recyclability. After six photodegradation cycles, there was a 5.18% decrease in photodegradation efficiency. Copyright © 2024 by Authors, Published by BCREC Publishing Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0).
Fabrication of NiFe2O4/SiO2/TiO2 Magnetic Composite for Effective Photodegradation of Congo Red Dye Hariani, Poedji Loekitowati; Salni, Salni; Kimur, Melviana Violetta; Hidayati, Nurlisa; Elfita, Elfita
Indonesian Journal of Chemistry Vol 25, No 3 (2025)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijc.94143

Abstract

This study aims to fabricate a NiFe2O4/SiO2/TiO2 magnetic composite to serve as a photocatalyst for the degradation of Congo red dye. The catalyst characterization involved XRD, FTIR, UV-vis DRS, BET, VSM, SEM-EDS, and pHpzc analyses. The performance in degradation was determined by the effect of various variables, including solution pH, dye concentration, and irradiation time. Results revealed that the NiFe2O4/SiO2/TiO2 composite exhibited a crystallite size of 24.56 nm and a bandgap of 2.1 eV. The surface area of NiFe2O4/SiO2/TiO2 was measured at 154 m2/g, exceeding that of NiFe2O4/SiO2 and NiFe2O4, which were observed at 122 and 51 m2/g, respectively. NiFe2O4/SiO2/TiO2 exhibited magnetic properties with a magnetic saturation of 18.55 emu/g. Under optimal conditions (pH 5, initial dye concentration of 20 mg/L, and 90 min of visible irradiation), the degradation efficiency reached 96.86%. It was concluded that the photodegradation was effective, as its efficiency decreased from 96.86 to 92.45% after five reuse cycles. The presence of mineralization was evaluated using total organic carbon analysis, which revealed an 84.60% reduction in carbon content.
PELATIHAN PEMBUATAN LULUR WAJAH DARI DAUN SIRSAK (Annona Muricata L) UNTUK MENDAPATKAN KULIT SEHAT DI DESA TANJUNG ATAP Hariani, Poedji Loekitowati; Fatma, Fatma; Said, Muhammad; Ahadito, Bijak Riyandi; Rohendi, Dedi
Jurnal Pepadu Vol 6 No 1 (2025): Jurnal Pepadu
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/pepadu.v6i1.6149

Abstract

Facial scrubs are a part of skin care that is often done by mothers and young women. In line with back to nature awareness, body scrubs use ingredients from natural sources. This community service activity aims to provide counseling and training on the importance of skin care and making facial scrubs from soursop leaves. Soursop leaves contain bioactive ingredients which are antioxidant and antibacterial. The activity was carried out in Tanjung Atap village, Tanjung Batu sub-district, Ogan Ilir district and was attended by 26 participants. The soursop plant is easy to find in the village growing in the yard. Activity participants play an active role in activities both in counseling and training. Evaluations are carried out before and after the activity to determine the level of participants' understanding of the counseling and training provided. Apart from that, an organoleptic test was carried out to determine the level of acceptance of the body scrub product. The results of the activity showed that there was an increase in public understanding of the importance of maintaining healthy skin and making body scrubs from soursop leaves. The increase in participants' understanding was 93.03% from not understanding or not understanding. The organoleptic test results showed that 85.36% of participants said they really liked it and 14.64% said they liked the facial scrub product made from soursop leaves. With this service activity, people are increasingly aware of the importance of skin care using natural resources. Scrubs made from natural ingredients are safe, cheap and avoid the side effects of chemicals.
Co-Authors Abdullah Abdullah Addy Rachmat Ady Mara Ahmad Fatoni Ahmad Fatoni Ahyati Fadilah Aldes Lesbani Aldi Herbanu Amallia, RA Hoetary Tirta Amri, Nanda Hasanul Annisa Filantropie Aria Septi Handayani Aroef, Hukmanan Rais Asia Asia Afriyani Astri Nurmayansih Bachtari Alam Hidayat Bijak Riyandi Ahadito Damayanti Damayanti Dedi Rohendi Dedi Rohendi Denada, Laellia Desneli Desneli Desnelli Desnelli Desnelli Eddy Ibrahim Eddy Ibrahim Elfita Elfita Elfita Elfita Endri Junaidi Eva Musifa Evi Yuliana, Evi Fahma Riyanti Fatma Fatma Febrina Sari Ferlinahayati Ferlinahayati Handayani Citra Pratiwi Hanifa, Hanifa Marisa Harmida Harmida Harmida Hasanudin Hasanudin Heni Oktaviani Heni Yohandini Herlina Herlina Hermansyah Hermansyah Hermansyah Hermansyah Hermansyah Hermansyah Hermansyah Hermansyah Hermansyah Herpandi . Hery Widijanto Hesti Ratnasari, Hesti Hilda Zulkifli Indah Hamida Iqlima Amelia Irfannuddin Irfannuddin Izzati Izzati Juswardi Juswardi Kasmiarti, Getari Kimur, Melviana Violetta Laellia Denada Legiran Legiran Leily Nurul Komariah Lia Nurbanillah Fujianti Lilian Novarika Listiyani Purwitasari M. B. Prayitno Maulana Yusuf Melly Oktaria Mgs. Irsan Saleh Mifthahul Jannah Muhammad Faizal Muhammad Faizal Muhammad Irsan Muhammad Irsan Saleh Muhammad Ramdan Abdul Mannan Muhammad Said Muhammad Said Muhammad Said Muhammad Said Muhammad Said Muhammad Said Muhammad Said MUHAMMAD SAID Muharni Muharni Muryati Muryati Mustafa Kamal Nabila Aprianti Nina Tanzerina Nirmalasary, Try Nensy Nita Aminasih Novia Novia Nur Hanis Hayati Hairom Nurlisa Hidayati Nurlisa Hidayati Oka Yana Afrizki Putri Erlyn Rani Nawang Sari Ratu Wulandari Permatasari Putri Rini Maya Sari Risfidian Mohadi Risfidian Mohadi Riski Dita Asmara Rizki Indah Putri Rizki, Widya Twiny Robert Sibarani Robiyanto Hendro Susanto Sabila Yunita Safitri, Bella Safrina Lamin Salni Salni Salni Salni Salni Salni Salni Salni Salni Salni Salni Salni Sari, Febrina Setiyawan, Bambang Dwi Shella Santika Damarril Singgih Tri Wardana Siti Nuraini Sri Hartika Subroto Subroto Suheyanto Suheryanto Susila Arita Syafrina Lamin, Syafrina Vilantina, Vilantina Vivi Sisca Widia Purwaningrum Wiwin Sepriani Yogi Astrada Zainal Arifin Zazili Hanafiah Zulfikar Zulfikar