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All Journal Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Jurnal Pengabdian Masyarakat (ABDIRA) Jurnal Riset Pendidikan Multidisiplin dan Pengabdian Kepada Masyarakat
Nurlita, Siti
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Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Computer Science & IT Earth & Planetary Sciences Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Nursing Social Sciences Other

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Gapura Desa Sukmajaya Simbol Gotong Royong Dan Identitas Kampus Taufika Rahmah, Alifia; Kartika, Ika; Firdaus, Risky; Rizki Hidayat, Muhammad; Suhenda, Suhenda; Setiawan, Iwan; Nurhalim, Nurhalim; Nurlita, Siti; Amara, Itaqila
Jurnal Riset Pendidikan Multidisiplin dan Pengabdian Kepada Masyarakat Vol. 1 No. 3 (2025): Oktober-Nopember
Publisher : SMA Negeri 1 Bangkinang Kota

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jrppm.v1i3.77

Abstract

Pembangunan gapura di Desa Sukmajaya, Kecamatan Tajurhalang, melalui program Kuliah Kerja Nyata (KKN) Tahun 2025 merupakan bentuk nyata dari kolaborasi mahasiswa, aparat desa, dan masyarakat dalam mewujudkan pembangunan berbasis partisipasi. Gapura yang dibangun tidak hanya memiliki fungsi sebagai pintu gerbang dan penanda wilayah, tetapi juga memuat makna filosofis sebagai simbol identitas, kebersamaan, dan nilai gotong royong masyarakat Desa Sukmajaya. Proses pembangunan dilakukan secara terencana melalui musyawarah desa, perencanaan desain bersama, serta pelaksanaan dengan melibatkan karang taruna, tokoh masyarakat, dan perangkat desa. Penelitian atau laporan ini bertujuan untuk mendeskripsikan proses pembangunan gapura mulai dari tahap perencanaan, pelaksanaan hingga dampak yang dirasakan masyarakat setelahnya. Keterlibatan aktif masyarakat menjadi aspek penting dalam menjaga keberlangsungan dan rasa memiliki terhadap hasil pembangunan. Hasil pembangunan gapura menunjukkan adanya peningkatan estetika lingkungan, penguatan identitas desa, serta terciptanya rasa kebanggaan kolektif di kalangan warga. Dengan demikian, pembangunan gapura bukan sekadar infrastruktur fisik, tetapi juga simbol kebersamaan dan representasi jati diri Desa Sukmajaya.
Identification of Fe and Mn Heavy Metal in Stream Sedimentation at Putri Cempo Landfill Rachmawati, Siti; Kusumaningrum, Lia; Aulia, Ahmad Asfar; Utomo, Alifia Namira; Nabila, Iffah; Kurniasari, Intan Dwi; Aryanto, Anisa Eka Putri; Nurlita, Siti
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 23, No 1 (2026): March 2026
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v23i1.233-243

Abstract

The Putri Cempo landfill serves as the final disposal site for organic and inorganic waste. Waste from the landfill can dissolve and settle in river sediments, potentially accumulating heavy metals, such as iron (Fe) and manganese (Mn), which easily bind to organic matter. This study aims to determine the content of Iron (Fe) and Manganese (Mn) in rivers around the Putri Cempo landfill. The concentrations of Fe and Mn weres analyzed using atomic absorption spectrometry (AAS) according to SNI 6989.84:2019, with sediment sampling conducted in rivers around the Putri Cempo landfill. Sediment sampling in these rivers revealed Fe levels of 1519.414245 mg/L and Mn levels of 130.033 mg/L. The analysis indicated that Fe concentrations exceeded the established quality threshold, whereas Mn levels remained below it. Heavy metals like Fe and Mn negatively impact abiotic and biotic environments, including human health and agricultural productivity. Elevated heavy metal levels disrupt ecosystem balance and pose health risks, making their management crucial. Reducing heavy metals in river sediments near the landfill is essential. Remediation efforts using bioremediation and phytoremediation technologies can help mitigate these impacts. Ongoing efforts are necessary to control heavy metal contamination in river sediments, ensuring ecosystem stability and public health.
The Potential of Bioplastic Waste Made From Polybutylene Adipate-Co-Terephthalate (PBAT) as Compost Mixtures Rachmawati, Siti; Matin, Hashfi Hawali Abdul; Suhardono, Sapta; Daniswara, Agnar Pradipa; Fadhilah, Ririn Nur; Nurlita, Siti
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 23, No 1 (2026): March 2026
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v23i1.1-14

Abstract

Biodegradable bioplastics offer an environmentally friendly alternative. One type of bioplastic being developed is Polybutylene Adipate-Co-Terephthalate (PBAT), an aliphatic-aromatic polyester capable of decomposing through microbial activity. This study aimed to analyze the potential of bioplastic waste as a compost mixture ingredient and determine the optimal composition of bioplastic waste mixtures for compost production. The study utilized a Completely Randomized Design (CRD). The quality of the compost made from bioplastic waste mixtures was evaluated based on SNI 7763:2024 standards, with parameters including pH, temperature, additional substances, and chemical content, such as nitrogen (N), phosphorus (P), potassium (K), and organic carbon (C-organic). The composting process lasted 60 d, using mixtures of bioplastics and cow manure organic waste in proportions of 95:5, 90:10, 85:15, 80:20, 75:25, and 70:30, each weighing 1 kg. Some mixtures were supplemented with 30 mL of activated EM4 to accelerate decomposition, whereas the control group used only cow manure. The results indicate that the compost produced generally met the SNI 7763:2024 standards. The most effective composition was 80% organic waste, 20% bioplastic, and 30 mL EM4. This composition achieved N+P2O5+K2O levels of 2.88%, C-organic content of 30.46%, moisture content of 24.60%, and pH of 7.60.
Effectiveness of Sugarcane Bagasse Adsorbents for Chromium Removal from Industrial Metal Plating Wastewater Nabila, Iffah; Rachmawati, Siti; Masykuri, Mohammad; Nurlita, Siti
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 23, No 1 (2026): March 2026
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v23i1.203-218

Abstract

Wastewater from metal plating businesses contains hazardous heavy metals, including chromium (Cr), which must be properly treated to avoid environmental contamination. Adsorption utilizing natural materials, such as sugarcane bagasse, is a promising option. This study compared the effectiveness of H2SO4-activated sugarcane bagasse with sugarcane bagasse-based activated carbon in removing total chromium (Cr-T) from metal plating wastewater and analyzed the effects of adsorbent mass and contact time. Atomic absorption spectrophotometry (AAS) was used to measure the final chromium concentrations after batch adsorption was conducted with different masses and contact periods. The findings revealed that the adsorption effectiveness increased as the adsorbent mass and contact duration increased, reaching an ideal point. While activated carbon achieved its peak at 12 g and 120 min (95% and 47.6% efficacy, respectively), activated bagasse performed best at 15 g and 150 min (51.9% and 43% effectiveness, respectively). Activated carbon performed better because of its increased surface area and pore structure resulting from carbonization. These results demonstrate that sugarcane bagasse is a potential, affordable, and sustainable natural adsorbent for lowering total chromium in industrial effluents, particularly when transformed into activated carbon.
Peningkatan Kapasitas UMKM Melalui Sosialisasi Digital Marketing dan Optimalisasi Media Bisnis di Desa Pasirnangka Rachmawati, Rizqi Nur; Nugroho, Ibrahim Tri; Nurlita, Siti; Putra, Alvin Anggarda; Sholahudin, Muhamad Indra
Jurnal Pengabdian Masyarakat (ABDIRA) Vol 6, No 2 (2026): Abdira
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/abdira.v6i2.1421

Abstract

The limited digital literacy and low online visibility of micro, small, and medium enterprises (UMKM) in Desa Pasirnangka have hindered their ability to compete in an increasingly digital marketplace. This community service program was designed to address these challenges by strengthening the digital marketing capacity of local business owners. The main objective of the initiative was to introduce practical digital promotion strategies and improve the use of online business tools that can enhance customer reach. The program was implemented through a series of socialization sessions, structured training, and hands-on practice, which included creating Google Maps business points, setting up WhatsApp Business profiles, and designing promotional banners. The results show a significant increase in participants’ understanding of digital marketing concepts, alongside their ability to independently create digital business assets. These improvements contributed to better online discoverability and increased confidence among UMKM in utilizing digital platforms for business development. The program demonstrates that targeted digital literacy interventions can generate meaningful and sustainable impacts on local economic empowerment.
Co-Authors Amara, Itaqila Aryanto, Anisa Eka Putri Aulia, Ahmad Asfar Daniswara, Agnar Pradipa Fadhilah, Ririn Nur Firdaus, Risky Ika Kartika Iwan Setiawan Kurniasari, Intan Dwi Lia Kusumaningrum, Lia Matin, Hashfi Hawali Abdul Mohammad Masykuri Nabila, Iffah Nugroho, Ibrahim Tri Nurhalim Nurhalim, Nurhalim Putra, Alvin Anggarda Rachmawati, Rizqi Nur Rizki Hidayat, Muhammad Sholahudin, Muhamad Indra SITI RACHMAWATI Suhardono, Sapta Suhenda, Suhenda Taufika Rahmah, Alifia Utomo, Alifia Namira