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Riza Hudayarizka
Teknik Lingkungan, Institut Teknologi Kalimantan
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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.
Utilization of Moringa Seed Powder (Moringa Oleifera) as a Natural Coagulant for Reducing Pollution Parameters in Tofu Wastewater Ismi Khairunnissa Ariani; Riza Hudayarizka; Rahmi Yorika; Rebecca Olfin Liery Any
Frontier Advances in Applied Science and Engineering Vol. 2 No. 1 (2024)
Publisher : Tinta Emas Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59535/faase.v2i1.234

Abstract

The wastewater generated from the tofu industry often contains elevated levels of COD and TSS pollutants. One effective method for treating this wastewater is through the coagulation-flocculation process. Moringa seeds, recognized as a biomass with natural coagulant properties, contain a bioactive compound known as 4αL-rhamnosyloxy-benzyl-isothiocyanate, capable of adsorbing particles present in wastewater. The objective of this study is to assess the efficiency of reducing pollutant parameters (COD, TSS, and Turbidity) in wastewater from the tofu industry by utilizing Moringa seeds as a natural coagulant. The research was conducted using a jar test apparatus with coagulation stirring at 100 rpm and flocculation at 40 rpm for 12 minutes. The study involved varying coagulant doses (2, 3, 4, 5, and 6 g/L of tofu wastewater) and coagulation stirring times (1, 3, and 5 minutes). Based on the results obtained, the optimal stirring duration and dose, as well as the efficiency of reducing each pollutant parameter, were determined. For COD, the optimal conditions were found to be 3 minutes stirring time with a dose of 4 g/L, resulting in an efficiency of 64.88%. Similarly, for TSS parameters, the optimum conditions were achieved with 3 minutes of stirring time and a dose of 4 g/L, yielding an efficiency of 52.71%. Lastly, for turbidity, the most effective conditions were observed with 3 minutes of stirring time and a dose of 4 g/L, with an efficiency of 58.85%.
Analisis Pengaruh Variasi Aktivator Kimia Pada Karbon Aktif Kayu Sengon Untuk Pengolahan Filtrasi Air Asam Tambang Riza Hudayarizka; Raudiah Tuzzahra Putri; Mochammad Purwanto; Ismi Khairunnissa Ariani
SPECTA Journal of Technology Vol. 9 No. 2 (2025): Specta Journal of Technology
Publisher : LPPM ITK

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35718/specta.v9i2.8481421

Abstract

Acid mine drainage is one of the major pollutants generated from coal mining activities, characterized by high concentrations of heavy metals such as Fe and Mn and very low pH levels, making it unsuitable for environmental discharge. This study aims to analyze the effect of different chemical activators (NaOH, H₃PO₄, HCl, and no activator) on the effectiveness of activated carbon made from sengon wood in removing contaminants from acid mine drainage. The carbonization process was carried out at high temperatures, followed by chemical activation and application as filtration media. The results showed that unactivated carbon provided the highest TSS removal efficiency at 65.79% and increased the pH to 2.7. However, all variations of activated carbon were ineffective in removing Fe and Mn, likely due to the low initial pH causing protonation of functional groups on the carbon surface, thus reducing their adsorption capacity. This study indicates that while chemical activation influences the characteristics of activated carbon, it is not yet sufficient for optimal removal of heavy metal pollutants.
Aplikasi Campuran Ekstrak Kulit Nanas dan Biji Pepaya sebagai Biokoagulan untuk Penurunan Fe, Mn, dan Kekeruhan pada Air Asam Tambang dengan Metode Jar Test Ismi Khairunnissa Ariani; Rina Noor Hayati; Riza Hudayarizka; Cut Keumala Banaget; Krisma Nabilla
SPECTA Journal of Technology Vol. 9 No. 3 (2025): Specta Journal of Technology
Publisher : LPPM ITK

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35718/specta.v9i3.8481486

Abstract

Acid mine drainage can pollute the environment if not treated properly. Acid mine drainage can be treated using the coagulation-flocculation jar test method with pineapple peel and papaya seed biocoagulants to reduce the contaminants contained therein. The purpose of this study was to determine the characteristics of acid mine drainage, analyze the effect of biocoagulant dosage and analyze the variation of slow stirring time in reducing Fe, Mn, Turbidity parameters in Acid Mine Drainage. The research variables used were biocoagulant dosage of 0.5 - 2.5 gr/500 mL and slow mixing time of 10 - 30 minutes. Based on the characteristic test, acid mine drainage has content that exceeds the quality standard. The optimum biocoagulant dose was 0.5 gr/500 mL with Fe parameter removal efficiency of 66.56% with a concentration of 18.3 mg/L, Mn of 8.71% with a concentration of 12.78 mg/L, and Turbidity of 78.87% with a concentration of 5.33 NTU. The optimum stirring time is 10 minutes with Fe removal efficiency of 61.71%, Mn of 71.18%, and Turbidity of 63.12%.
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.
Sistem Penyiraman Otomatis pada Vegetasi Lebah Kelulut Kelompok Tani Karamunting Kota Balikpapan Muhamad Nur Ibnu Luthfi Saud; Riza Hudayarizka; Rahmad Raharja; Muhammad Fauzan; M Nur Alif Humam El Yunus; Alfandi Yusuf Prabowo; Aa Kurniawan; Affredo Meiriyansyah; Ahmad Dicky Fathurrahman; Bima Wahyu Ramadhan; Aditya Fitrah Ramadhani
Jurnal Pengabdian ILUNG (Inovasi Lahan Basah Unggul) Vol 5, No 3 (2026)
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/ilung.v5i3.17267

Abstract

Vegetasi yang baik akan menghasilkan nektar dan bermanfaat bagi lebah kelulut sebagai sumber nutrisi. Pertumbuhan vegetasi akan dipengaruhi oleh unsur hara tanah dan ketersediaan air yang cukup. Budidaya lebah kelulut yang dikelola oleh kelompok Tani Karamunting Kota Balikpapan memiliki beberapa tantangan terkait vegetasi, seperti jarak tanam vegetasi yang tersebar, tingkat kelembapan tanah yang tidak terkontrol, serta penyiraman yang masih secara manual dan bertahap. Kemajuan teknologi dapat membantu masalah tersebut, salah satunya melalui sistem penyiraman secara otomatis yang berbasis sensor kelembapan tanah. Sistem penyiraman akan membaca tingkat kelembapan air di dalam tanah dan selanjutnya memerintahkan keran air dan pompa bekerja, serta otomatis berhenti saat kelembapan tanah tercukupi. Sistem ini akan terintegrasi dengan tanki penyimpanan air, pompa air, dan penyiram tanaman sehingga mempermudah kerja petani lebah. Kegiatan ini juga mendukung tujuan Sustainable Development Goals (SDGs), khususnya dalam mendukung pertumbuhan ekonomi masyarakat secara inklusif dan berkelanjutan. Hasil implementasi sistem ini terbukti memudahkan petani budidaya lebah kelulut dalam penyiraman vegetasi. Terlihat kualitas vegetasi semakin baik dan menandakan bahwa kuantitas dan kualitas nektar yang dihasilkan cukup untuk nutrisi lebah kelulut..
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.
PERANCANGAN DAN PEMBANGUNAN SISTEM IRIGASI SEMI-OTOMATIS UNTUK PERKEBUNAN BERKELANJUTAN DI KELOMPOK TANI PEDULI API Gusti Umindya Nur Tajalla; Riza Hudayarizka; Ismi Khairunnissa Ariani; Yosua Anjupaian Situmeang; Bimo Surya Lesmana; Yurischa Deify Utami; Muhammad Yazid Abyan Rahim
JMM (Jurnal Masyarakat Mandiri) Vol 9, No 1 (2025): Februari
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jmm.v9i1.28825

Abstract

Abstrak: Kelompok Tani Peduli Api (KTPA) adalah kelompok tani yang berlokasi di Balikpapan Utara dengan jumlah anggota terdiri dari 10 kepala keluarga. KTPA berfokus pada budidaya sayur-sayuran seperti bayam, tomat, cabai, dan kangkung. Dalam menjalani kegiatan perkebunan, KTPA masih memanfaatkan air sungai yang cukup jauh dari lahan perkebunan, sistem penyiraman manual, penggunaan pompa bahan bakar fosil, dan menggunakan pupuk kimia yang tidak tersubsidi oleh pemerintah. Permasalahan tersebut dapat diatasi menggunakan teknologi tepat guna berupa sistem irigasi semi-otomatis yang terdiri dari teknologi Rainwater Harvesting (RWH) yang terintegrasi dengan filter air, pompa PLTS, dan irigasi sprinkle, serta pembuatan pupuk organik cair (POC). Teknologi tepat guna yang hadir bisa meningkat efisiansi proses penyiraman sebesar 40%. Kegiatan sosialisasi yang diikuti oleh 28 warga setempat menunjukkan tren peningkatan hasil post-test dibandingkan pre-test dengan tingkat pemahaman meningkat sebesar 13,46% setelah post-test. Hal tersebut menunjukkan bahwa sosialisasi berhasil meningkatkan pemahaman dan pengetahuan peserta mengenai materi yang disampaikan.Abstract: The Kelompok Tani Peduli Api (KTPA) in North Balikpapan comprises 10 houses engaged in the cultivation of vegetables, including spinach, tomatoes, chili peppers, and water spinach. They depend on remote river water, laborious irrigation, fossil fuel-operated pumps, and unsubsidized chemical fertilizers, presenting obstacles to efficiency and sustainability. A semi-automated irrigation system was implemented to resolve these challenges, incorporating Rainwater Harvesting (RWH), a filtration system, solar-powered pumps, spray watering, and the manufacture of liquid organic fertilizer (POC). This system could enhance irrigation efficiency by 40%. A community outreach initiative with 28 participants demonstrated a 13.46% enhancement in comprehension from pre-test to post-test, signifying increased knowledge and awareness. These findings illustrate the efficacy of implementing suitable technology in empowering farmers and advancing sustainable farming practices.
Application of Mung Bean Biocoagulant for Tofu and Tempeh Wastewater Treatment Ismi Khairunnissa Ariani; Rina Noor Hayati; Sukma Agustina; Riza Hudayarizka
Journal of Multidisciplinary Science: MIKAILALSYS Vol 4 No 2 (2026): Journal of Multidisciplinary Science: MIKAILALSYS
Publisher : Darul Yasin Al Sys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/mikailalsys.v4i2.11226

Abstract

Wastewater generated from tofu and tempeh production commonly contains high organic loads and suspended particles, necessitating environmentally sustainable treatment methods. This study investigated the use of mung bean (Vigna radiata) as a biocoagulant for reducing chemical oxygen demand (COD) and turbidity and improving the pH of tofu and tempeh wastewater. The study evaluated the effect of extraction with 1 M NaCl on biocoagulant performance, determined the optimum biocoagulant dosage, and assessed the influence of slow-mixing time on treatment effectiveness. Coagulation–flocculation was performed using mung bean biocoagulants before and after NaCl extraction, with dosages ranging from 1 to 5 g per 500 mL of wastewater and slow-mixing times ranging from 15 to 35 minutes. Initial characterization indicated that several wastewater quality parameters exceeded the applicable discharge standards. The NaCl-extracted biocoagulant performed better than the unextracted biocoagulant, achieving COD and turbidity removal efficiencies of 9.95% and 90.98%, respectively, with a final pH of 7.27. Across the dosage variations, the highest COD removal efficiency of 41.45% was obtained at 4 g/500 mL, whereas the highest turbidity removal efficiency of 91.17% was achieved at 2 g/500 mL. The highest final pH of 7.81 was recorded at 5 g/500 mL. The optimum slow-mixing time was 15 minutes, resulting in COD removal of 14.26%, turbidity removal of 87.45%, and a final pH of 7.19. These findings demonstrate that NaCl-extracted mung bean biocoagulant has considerable potential for improving tofu and tempeh wastewater quality, particularly through turbidity removal. The study contributes to the development of plant-based biocoagulants as an environmentally sustainable alternative for wastewater treatment, although optimization remains necessary to improve COD removal efficiency.
Co-Authors Aa Kurniawan Ade Wahyu Yusariarta Putra Parmita Aditya Fitrah Ramadhani Adnan Dafa Raihan Affredo Meiriyansyah Agustina Wulandari Ahmad Dicky Fathurrahman Alfandi Yusuf Prabowo Anggreini, Misa Anifah, Eka Masrifatus Aprillia, Happy Ariani, Ismi Khairunnissa Arisandi Bara, Christofel Fiki Barokatun Hasanah Barokatun Hasanah, Barokatun Basransyah Basransyah Basran Basransyah Basransyah Basransyah, Basransyah Bima Wahyu Ramadhan Bimo Surya Lesmana Chandra S. Rahendaputri Chosta, Fidela Christianus Tiaryo Cut Keumala Banaget Daffa, Qamara Dini Tri Budiarti Fatimatuz Zahrah, Annisa Fauziyyah, Aisyah Rezki Felecya Sitinjak, Joyce Fransiska, Shella Margaretha Gusti Umindya Nur Tajalla Happy Aprillia Harfadli, Muhammad Ma'arij Hibino, Tadashi Ismi Khairunnisa Ariani Ismi Khairunnissa Ariani Kasih, Asha Hanjar Khairunnisa Ariani, Ismi Kharis Sugiarto Khoirul Erfanudin Krisma Nabilla Londong, Roni M Nur Alif Humam El Yunus Martin Sinambela, Johannes Maulana Ibrahim Mega Ulimaz Mochammad Purwanto Muhamad Nur Ibnu Luthfi Saud Muhammad Fajar Rivaldi Muhammad Fathur Rozi Muhammad Fauzan Muhammad Yazid Abyan Rahim Muhammad Yoga Amukti Nabilah, Audrey NIA FEBRIANTI, NIA Nur Sepliana Harfika Nurazkiyah, Syifa Paramita, Fika Rahmad Raharja Rahmi Yorika Raudiah Tuzzahra Putri Rebecca Olfin Liery Any Rina Noor Hayati Rina Noor Hayati Rozul Faza, Muhammad Saroh Qarini, Ayuk Selvia Maharani Sholikah, Umi Sholikah, Umi Sukma Agustina Tegar Palyus Fiqar Tiaryo, Christianus Umi Sholikah Umi Sholikah Wahyu Yusariarta Putra Parmita, Ade Wicaksono, Dhany Achmad Wijaya, Siti Iniz Khairunisa Yorika, Rahmi Yosua Anjupaian Situmeang Yurischa Deify Utami