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All Journal Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Jurnal Reka Lingkungan Jurnal Sains & Teknologi Lingkungan JPSE (Journal of Physical Science and Engineering) SUSTINERE: Journal of Environment and Sustainability SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Jurdimas (Jurnal Pengabdian Kepada Masyarakat) Royal Jurnal Rekayasa Hijau J-Dinamika: Jurnal Pengabdian Kepada Masyarakat Specta Journal of Technology Makara Journal of Science PIKAT Jurnal Teknik Kimia dan Lingkungan Jurnal Teknologi Lingkungan Journal Serambi Engineering (JSE)
Anifah, Eka Masrifatus
Program Studi Teknik Lingkungan, Institut Teknologi Kalimantan, Balikpapan
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Pengaruh Kemiringan dan Diameter Tube Settler terhadap Kinerja Unit Sedimentasi Novemi, Ramsiska; Ariani, Ismi Khairunnissa; Anifah, Eka Masrifatus
Rekayasa Hijau : Jurnal Teknologi Ramah Lingkungan Vol 8, No 3 (2024)
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/jrh.v8i3.251-262

Abstract

AbstrakUnit sedimentasi yang bekerja tidak optimal mengakibatkan rendahnya kualitas efluen.. Oleh sebab itu, modifikasi diperlukan dengan cara menambah tube settler di zona pengendapan untuk meningkatkan efisiensi IPAL. Penelitian ini bertujuan untuk menganalisis pengaruh kemiringan dan diameter tube settler pada proses sedimentasi terhadap kualitas efluen. Penelitian dilakukan secara kontinu menggunakan reaktor sedimentasi dengan debit aliran 94,44 L/jam dan waktu detensi 3 jam. Variabel yang digunakan yaitu kemiringan (40°, 55°, dan 70°) dan diameter (4, 6, dan 8 cm). Semakin besar diameter dan kemiringan tube settler semakin rendah efisiensi penyisihan TSS dan kekeruhan. Efisiensi penyisihan TSS yang paling tinggi yaitu pada kemiringan 55° dan diameter 4 cm sebesar 57,14%. Efisiensi penyisihan kekeruhan yang paling tinggi yaitu pada kemiringan 70° dan diameter 6 cm sebesar 86,84%. Penambahan tube settler pada unit sedimentasi dapat meningkatkan efisiensi penyisihan TSS sebesar 60%, sehingga terjadi peningkatan kualitas efluen IPAL. Kata kunci: air limbah, kekeruhan, sedimentasi, total suspended solid, tube settlerABSTRACTAn inefficient sedimentation process deteriorates effluent quality in WWTP. Tube settler integration to the clarification zone is required. The research aims to determine the effect of the tube settler slope and diameter on the sedimentation unit efficiency. The experiment was conducted in a continuous sedimentation reactor with a flow rate of 94.44 L/hour and a detention time of 3 hours. The slope is 40°, 55°, and 70°, and the diameter is 4, 6, and 8 cm. The larger the diameter and higher slope of the tube settler, the lower the TSS and turbidity removal efficiency. The highest TSS removal of 57.14% was obtained at the slope 55° slope and a diameter of 4 cm. The tube settler with a slope of 70° and a diameter of 6 cm demonstrated the highest turbidity removal of 86.84%. The tube settler increased the TSS removal efficiency by 60%. Keywords: sedimentation, total suspended solid, tube settler, turbidity, wastewater 
Coagulation-Flocculation of Tofu Wastewater using Natural Coagulant of Chempedak (Artocarpus integer) Seed Anifah, Eka Masrifatus; Sholikah, Umi; Ariani, Ismi Khairunnissa; Yorika, Rahmi; Raharti, Henny Widya
Jurnal Teknologi Lingkungan Vol. 25 No. 2 (2024)
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/jtl.2024.1678

Abstract

Limbah cair tahu mencemari badan air dan menyebabkan bau tidak sedap di lingkungan. Koagulasi-flokulasi adalah metode efektif untuk menyisihkan kontaminan di limbah cair tahu karena metode ini memiliki efisiensi tinggi dan kebutuhan energi rendah. Namun, penggunaan koagulan kimia menghasilkan lumpur yang berbahaya, sehingga koagulan dari bahan alami lebih disukai karena aman untuk lingkungan dan manusia. Penelitian ini bertujuan menganalisis potensi ekstrak biji cempedak untuk menyisihkan COD, TSS, dan kekeruhan pada limbah cair tahu. Biji cempedak diekstrak menggunakan n-heksana dan NaCl untuk meningkatkan karakteristik koagulan. Eksperimen dilakukan secara batch menggunakan jar-tes. Dosis yang digunakan adalah 1,5–4 mL/L dengan pengadukan cepat 120 rpm selama 3 menit, pengadukan lambat 60 rpm selama 15 menit, dan sedimentasi 60 menit. Hasil penelitian menunjukkan bahwa koagulan biji cempedak dapat menurunkan kekeruhan dan TSS, tetapi meningkatkan konsentrasi COD. Gugus fungsi hidroksil dan karboksil memegang peranan penting dalam proses koagulasi. Kenaikan dosis koagulan dapat meningkatkan efisiensi penyisihan kekeruhan dan TSS. Dosis berlebih dapat menyebabkan resuspensi yang meningkatkan kekeruhan air. Dosis optimum untuk menyisihkan kekeruhan dan TSS di limbah cair tahu adalah 2,5 mL/L pada pH 9 dengan efisiensi penyisihan 78%. Efisiensi penyisihan TSS sebesar 77% didapatkan pada dosis 3,5 mL/L. Abstract The tofu wastewater contaminates water bodies and causes unpleasant odors to the environment. Coagulation-flocculation is an effective method to remove contaminants because of its high removal efficiency and low energy requirement. However, the use of chemical coagulants generates a significant amount of toxic sludge. Thus, a natural coagulant is more favorable because it is biodegradable and safe for human health. The objective of this study is to analyze the performance of chempedak seed extract to remove chemical oxygen demand (COD), total suspended solids (TSS), and turbidity in tofu wastewater. Chempedak seed was extracted using n-hexane and NaCl to improve the coagulant characteristics. The experiment was conducted in the batch system using a jar test apparatus. The experiment was carried out on a dosage range of 1.5–4 mL/L with a flash mixing rate of 120 rpm for 3 minutes, slow mixing of 60 rpm for 15 minutes, and sedimentation for 60 minutes. The result proved that the chempedak seed coagulant could reduce turbidity and TSS but increase COD concentration. The hydroxy and carboxy functional groups play a crucial role in coagulation activity. The increasing coagulant dosage increased the removal efficiency of turbidity and TSS. Overdosing can influence resuspension conditions that increase final turbidity. The optimum dosage to remove turbidity and TSS in tofu wastewater was 2.5 mL/L at a pH of 9 with a removal efficiency of 78%. The TSS removal efficiency of 77% was achieved at a dosage of 3.5 mL/L.
Adsorption of iron and manganese from acid mine drainage by zalacca (Salacca zalacca) peel- activated carbon Eka Anifah; Ismi Khairunnissa Ariani; Janet Tio Panny Tindaon; Basransyah
Sustinere: Journal of Environment and Sustainability Vol. 8 No. 1 (2024): pp. 1 - 137 (April 2024)
Publisher : Center for Science and Technology, IAIN Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22515/sustinere.jes.v8i1.366

Abstract

The low pH and high metal concentration in acid mine drainage cause environmental problems and affect human health. Adsorption not only removes the pollutants but also increases pH levels. Natural adsorbents have gained attention because of their widespread availability, low cost, and effectiveness. Zalacca peel waste is among the biomass materials showing promise as activated carbon for removing contaminants from acid mine drainage. This study aims to investigate the adsorption capacity of activated carbon from zalacca peel for removing iron and manganese from acid mine drainage. Adsorption studies were conducted in batch experiments using various dosages and contact times. Optimal results were achieved with a dosage of 0.8 grams per 100 mL and contact time of 60 minutes, resulting in 80% removal efficiency for iron and 24% for manganese. The neutralization process occurred post-adsorption, bringing the final pH close to neutral levels, suitable for environmentally safe discharge. Experiment data were fitted to the Freundlich isotherm and pseudo-second order kinetics. FTIR analysis revealed functional groups including C-H, C-O, and C=C was found in the adsorbent. Furthermore, surface area and pore volume experienced slight increases following activation with KOH.
Implementasi Sistem Filtrasi Air Asam Tambang (AAT) Sebagai Sumber Irigasi Perkebunan Berkelanjutan di Kecamatan Samboja Felecya Sitinjak, Joyce; Martin Sinambela, Johannes; Saroh Qarini, Ayuk; Rozul Faza, Muhammad; Fatimatuz Zahrah, Annisa; Wahyu Yusariarta Putra Parmita, Ade; Masrifatus Anifah, Eka; Khairunnisa Ariani, Ismi; Hudayarizka, Riza; Basransyah, basransyah; Hasanah, Barokatun; Aprillia, Happy
PIKAT Jurnal Pengabdian Kepada Masyarakat ITK Vol. 6 No. 1 (2025): PIKAT : Jurnal Pengabdian Kepada Masyarakat
Publisher : LPPM Institut Teknologi Kalimantan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35718/pikat.v6i1.1273

Abstract

Kelurahan Sungai Merdeka KM. 36 RT 07 merupakan salah satu wilayah pemukiman yang berada di Kecamatan Samboja Barat, Kabupaten Kutai Kartanegara. Mayoritas masyarakat di wilayah ini bermata pencaharian utama sebagai petani dengan komoditas sayur-mayur dan buah-buahan bervariasi seperti cabai, tomat, bawang, jagung, dan kacang-kacangan. Kendala yang terjadi pada kelompok tani di daerah tersebut adalah kurangnya pasokan air bersih untuk irigasi perkebunan. Hal ini dikarenakan air sungai yang dijadikan sebagai sumber irigasi telah tercemar oleh limpasan air asam tambang (AAT) dari hulu sungai. Penelitian ini bertujuan untuk mengidentifikasi karakteristik air baku dari sungai tercemar AAT, merancang konfigurasi sistem filtrasi yang sesuai, dan meningkatkan kualitas air hasil filtrasi. Melalui hasil uji laboratorium, diketahui nilai pH, kandungan besi (Fe) terlarut, dan MPN Coliform air baku masing-masing sebesar 5,15 (bersifat asam), 0.6345 mg/L, dan 920 x 10^6 MPN/100 mL. Kondisi air sungai tersebut berpotensi menghambat produktivitas tanaman yang berakibat pada penurunan kualitas dan kuantitas hasil perkebunan karena belum sesuai dengan baku mutu air irigasi. Oleh karena itu, sistem filtrasi air asam tambang diimplementasikan guna menyokong pasokan air bersih bagi irigasi perkebunan yang sesuai dengan standar mutu air irigasi.
Adsorption Kinetics and Process Parameter Effects on Oil Uptake by Tamarind Fruit-Shell Activated Carbon Ernawati, Lusi; Anifah, Eka Masrifatus; Musyarofah, Musyarofah; Reza, Mutia; Waluyo, Joko; Sapawe, Norzahir
Jurnal Teknik Kimia dan Lingkungan Vol. 9 No. 2 (2025): October 2025
Publisher : Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/jtkl.v9i2.7596

Abstract

Oil contamination presents a major challenge to wastewater treatment systems due to its detrimental effects. This research explores the effectiveness of activated carbon derived from tamarind fruit shells as an adsorbent for removing oil from wastewater. The activated carbon was prepared using three different chemical agents: phosphoric acid, zinc chloride, and sodium hydroxide. Characterization of the resulting carbon materials was performed using XRD, FTIR, SEM, and BET analysis. Batch adsorption experiments were conducted to evaluate the influence of initial oil concentration, adsorbent dosage, contact time, temperature, and pH. The BET specific surface area, pore size and total pore volume for the optimum adsorption capacity of activated carbon using H3PO4 are obtained at 617.59 m2.g-1, 37.14 cm3.g-1 and 0.812 g.g-1, respectively. Optimal adsorption occurred at an oil concentration of 5000 mg.L-1, a dosage of 1 g.L-1, a contact time of 60 minutes, a temperature of 60°C, and neutral pH (7). Across all activating agents, the Langmuir isotherm best described the adsorption equilibrium, while adsorption kinetics followed the pseudo-second-order model. Among the samples, activated carbon treated with H3PO4 demonstrated the highest adsorption capacity (1070 mg.g-1), followed by ZnCl2 (879 mg.g-1), and NaOH (643 mg.g-1). These results indicate that tamarind shell-derived activated carbon is a cost-effective and efficient solution for oil removal in wastewater treatment applications.
The Spatial Distribution of Petroleum Hydrocarbon Contamination in Groundwater Around Fuel Storage Tank Utami, Ayu; Sahetapi, Calvin Alex; Rahayu, Mey Yani Puji; Kristanto, Wisnu Aji Dwi; Raharjo, Wiji; Isnaini, RR Desi Kumala; Fahri, Ricky Al; Anifah, Eka Masrifatus
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 22, No 3 (2025): November 2025
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v22i3.782-791

Abstract

Groundwater is vital for domestic, agricultural, and industrial use; however, previous studies have indicated that its quality often fails to meet drinking water standards. The sources of groundwater contaminants can be from domestic, industrial, saltwater intrusion, surface waste ponds, pipelines, mine pits, underground storage tanks, waste pits, etc. This research investigates the spatial distribution of Total Petroleum Hydrocarbons (TPH) contamination in groundwater surrounding fuel storage tanks, using the LeGrand method to assess groundwater vulnerability based on five physical environmental parameters. The study employs a quantitative approach, incorporating primary data from well measurements and secondary data from geological and land use maps. The results reveal that shallow groundwater levels significantly increase vulnerability to contamination, while the type of soil and aquifer permeability also play critical roles in contaminant transport dynamics. In the second research location, the analysis focuses on benzene contamination, with low concentrations below 0.02 ppb. Despite the low levels detected, the potential for contamination remains a concern due to the proximity of the gas station to residential areas. Statistical correlation analysis demonstrates a significant inverse relationship between TPH concentrations and vulnerability scores. The study underscores the importance of preventive measures to mitigate contamination risks, involving collaboration among stakeholders. 
Application of Microbial Fuel Cells for Leachate Bioremediation: The Effects of Nutrient Nourishment Sholikah, Umi; Chosta, Fidela; Fiqar, Tegar Palyus; Anifah, Eka Masrifatus; Hudayarizka, Riza; Hibino, Tadashi
Makara Journal of Science Vol. 30, No. 1
Publisher : UI Scholars Hub

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Leachate contains a high organic content, which can cause environmental pollution. The organic content in leachate can be removed through bioremediation using microbial fuel cell (MFC) systems to remediate pollutants and generate bioelectricity. Organic matter is important to the MFC process as both a substrate and a nutrient source. This study investigated the effects of glucose and sodium phosphate buffer nourishment on BOD, COD, and TSS removal and bioelectricity generation. This study used leachate as a substrate and a graphite rod with a surface area of about 32.98 cm2 as an electrode. The reactor uses plastic blocks with a 3L capacity. Bioremediation using MFC was conducted in batch experiments under aerobic conditions for 20 days at various glucose dosages. All monitoring processes were conducted in real time using the internet of things (IoT). The glucose variations used were 10% (b/v) and 20% (b/v) with the addition of a sodium phosphate buffer. The removal efficiencies of BOD, COD, and TSS with 10% glucose and sodium phosphate buffer addition were 86.05%, 81.84%, and 75.50%, respectively. The highest electrical voltage was observed upon the addition of 20% glucose and sodium phosphate buffer at about 900 mV.
KARBON AKTIF KULIT SINGKONG (Manihot utilissima) UNTUK PENYISIHAN FOSFAT AIR LIMBAH LAUNDRY ARTIFISIAL Muhamad Nur Ibnu Luthfi Saud; Muhammad Yoga Amukti; Riza Hudayarizka; Eka Masrifatus Anifah
Jurnal Reka Lingkungan Vol 13, No 1 (2025)
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/rekalingkungan.v13i1.25-36

Abstract

Konsentrasi fosfat yang tinggi pada air limbah laundry perlu diolah karena dapat menyebabkan eutrofikasi. Eutrofikasi di badan air dapat berdampak langsung bagi makhluk hidup. Selain itu, banyaknya pemanfaatan singkong sebagai bahan makanan berpotensi menghasilkan limbah biomassa seperti kulit singkong. Limbah kulit singkong mengandung karbon dan selulosa yang baik untuk dijadikan karbon aktif. Salah satu metode yang efektif, efisien, dan murah untuk menurunkan konsentrasi fosfat adalah adsorpsi menggunakan karbon aktif. Penelitian ini bertujuan menganalisis pengaruh dosis dan waktu kontak untuk menurunkan fosfat dalam air limbah laundry artificial serta menentukan kinetika adsorpsi yang terjadi. Penelitian dilakukan secara batch menggunakan variasi dosis adsorben 2-10 gr/L dan waktu kontak 15-120 menit dengan kecepatan pengadukan 110 RPM. Karbon aktif dihasilkan melalui proses karbonisasi kulit singkong dan aktivasi dengan NaOH 0,3 N. Hasil penyisihan optimum sebesar 8% didapatkan pada dosis adsorben 4 gr/L dengan waktu kontak 60 menit. Kinetika adsorpsi yang didapatkan termasuk model Orde Dua Semu.
PEMANFAATAN AIR SUNGAI SEBAGAI SUMBER IRIGASI PERTANIAN BERKELANJUTAN DENGAN SISTEM ENERGI BARU TERBARUKAN BERBASIS IOT Muhammad Fajar Rivaldi; Khoirul Erfanudin; Maulana Ibrahim; Adnan Dafa Raihan; Nur Sepliana Harfika; Muhammad Fathur Rozi; Ade Wahyu Yusariarta Putra Parmita; Eka Masrifatus Anifah; Ismi Khairunnisa Ariani; Riza Hudayarizka; basransyah basransyah; Kharis Sugiarto; Barokatun Hasanah; Happy Aprillia
Jurnal Pengabdian Kepada Masyarakat ITK (PIKAT) Vol. 7 No. 1 (2026): PIKAT : Jurnal Pengabdian Kepada Masyarakat
Publisher : LPPM Institut Teknologi Kalimantan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35718/pikat.v7i1.1272

Abstract

Desa Sungai Merdeka menghadapi tantangan keterbatasan sistem irigasi dan pasokan listrik yang berdampak pada produktivitas pertanian. Sebagai solusi, program ini mengusulkan pemanfaatan energi baru terbarukan berbasis tenaga surya untuk mendukung sistem irigasi berbasis Internet of Things (IoT). Metode yang digunakan mencakup pemasangan panel surya, pompa air, dan sistem kontrol IoT yang terintegrasi melalui platform berbasis web. Program ini dilakukan dengan pendekatan partisipatif melibatkan kelompok tani setempat untuk meningkatkan pengetahuan terkait pengoperasian dan pemeliharaan sistem. Hasilnya, sistem irigasi yang diimplementasikan mampu mendukung distribusi air ke lahan pertanian secara efisien dan berkelanjutan. Penggunaan energi surya yang melimpah di kawasan ini juga membantu mengurangi ketergantungan pada listrik konvensional. Kesimpulannya, solusi berbasis teknologi hijau ini berhasil memberikan manfaat nyata dalam meningkatkan produktivitas dan kesejahteraan masyarakat Desa Sungai Merdeka.
Co-Authors Abdul Rohim Ade Wahyu Yusariarta Putra Parmita Adnan Dafa Raihan Adrian Gunawan Ahmad Ibnu Arobi Andika Ade Indra Saputra Aprillia, Happy Arenita Patricia Sarira Ariani, Ismi Khairunnissa Ayu Utami, Ayu Barokatun Hasanah Barokatun Hasanah, Barokatun Basransyah Basransyah Basransyah Basransyah Basransyah, Basransyah Bayu Nur Abdallah Chosta, Fidela Cut Keumala Banaget Deta Lestari Smith Fachry Abda El Rahman Fahri, Ricky Al Fatimatuz Zahrah, Annisa Felecya Sitinjak, Joyce Happy Aprillia Hibino, Tadashi Ilham Tubagus Indah Chairun Nikmah Indah Putri Aulia Intan Dwi Wahyu Setyo Rini Ismi Khairunnisa Ariani Isnaini, RR Desi Kumala Janet Tio Panny Tindaon Joko Waluyo Kartika Nugrahaeni Khairunnisa Ariani, Ismi Kharis Sugiarto Khoirul Erfanudin Kristanto, Wisnu Aji Dwi Madah Maria Martin Sinambela, Johannes Maulana Ibrahim Meutya Dwi Leoriza Muhamad Nur Ibnu Luthfi Saud Muhammad Fajar Rivaldi Muhammad Fajar Sidiq Muhammad Fathur Rozi Muhammad Nur Ibnu Lutfi Saud Muhammad Ridho Muhammad Yoga Amukti Musyarofah Musyarofah, Musyarofah Nistia Endah Juniar Novemi, Ramsiska Nur Laylatul Magfiroh Nur Sepliana Harfika Paramita, Fika Rachmat Hidayat Raharti, Henny Widya Rahayu, Mey Yani Puji Reni Anggraini Minanga Reza, Mutia Riza Hudayarizka Rochmat Bagus Al Fitrah Rozul Faza, Muhammad Sahetapi, Calvin Alex Sapawe, Norzahir Saroh Qarini, Ayuk Sholikah, Umi Sholikah, Umi Sona Putri Siswoyo Tegar Palyus Fiqar Umi Sholikah Wahyu Yusariarta Putra Parmita, Ade Wijaya, Siti Iniz Khairunisa Wiji Raharjo Winarni Yehezkiel Wijaya Oey Yorika, Rahmi