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All Journal Jurnal Rekayasa Proses Reaktor JURNAL TEKNOLOGI LINGKUNGAN Jurnal Bahan Alam Terbarukan Eksergi: Chemical Engineering Journal JURNAL INTEGRASI PROSES Teknika: Jurnal Sains dan Teknologi Jurnal Agroekoteknologi Jurnal Teknika ALCHEMY Jurnal Penelitian Kimia Jurnal Rekayasa Proses Jurnal Teknik Kimia Indonesia Journal of Community Service in Science and Engineering Metalurgi Bulletin of Chemical Reaction Engineering & Catalysis
Jayanudin Jayanudin
Universitas Sultan Ageng Tirtayasa
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences Transportation Other

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Journal : JURNAL TEKNOLOGI LINGKUNGAN

 1 
Modifikasi Pupuk Urea Pelepasan Terkendali dan Pengaruhnya terhadap Lingkungan: Modification of Controlled Release Urea Fertilizer and Its Effect on the Environment Jayanudin Jayanudin; Retno S.D. Lestari; Muhammad Luthfi; Maulana Suyuti
Jurnal Teknologi Lingkungan Vol. 23 No. 2 (2022)
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1306.618 KB) | DOI: 10.29122/jtl.v23i2.5262

Abstract

Controlled release urea fertilizer is one solution to increase the efficiency of nutrient absorption by plants and is more environmentally friendly. The aims of this study was to determine the yield and water absorption of controlled release urea fertilizer and analyze the content of nitrate, nitrite, and ammonia as environmental pollution parameters. Controlled release urea fertilizer was prepared using the emulsion crosslinking method with chitosan as the matrix. Urea was dissolved in chitosan then added in oil and stirred to form an emulsion. Next, glutaraldehyde saturated toluene (GST) as a crosslinker was dripped slowly and then continuously stirred for 2 hours. Urea loaded-chitosan microspheres (controlled release urea fertilizer) were dried and analyzed. Furthermore, the yield, water absorption, and analysis of nitrate, nitrite, and ammonia from the released urea was determined. Controlled release urea fertilizer obtained yield was 91.3–97.28%, water absorption of 78.87–91.61%. Analysis of nitrate, nitrite, and ammonia from the study concluded that urea fertilizer contained in chitosan microspheres is more environmentally friendly. Keywords: Controlled release urea, Chitosan, Environmentally friendly, Emulsion crosslinking, Fertilizer ABSTRAK Pupuk urea pelepasan terkendali merupakan salah satu solusi untuk meningkatkan efisiensi penyerapan nutrisi oleh tanaman dan lebih ramah lingkungan. Tujuan penelitian ini adalah menentukan yield dan daya serap air dari pupuk urea pelepasan terkendali dan analisis kandungan nitrat, nitrit, dan amonia sebagai parameter pencemaran lingkungan. Pupuk urea pelepasan lambat dibuat menggunakan metode crosslink emulsi dengan kitosan sebagai matriksnya. Urea dilarutkan dalam larutan kitosan kemudian dimasukkan ke dalam minyak dan diaduk untuk membentuk emulsi. Selanjutnya, glutaraldehyde saturated toluene (GST) sebagai crosslinker diteteskan secara perlahan dan terus diaduk selama 2 jam. Kitosan mikrosfer berisi urea (pupuk urea pelepasan terkendali) dikeringkan dan dianalisis. Selanjutnya, menentukan yield, daya serap air, dan menganalisis nitrat, nitrit, dan amonia dari hasil urea yang rilis. Pupuk urea pelepasan terkendali diperoleh yield sebesar 91,3–97,28%, daya serap air sebesar 78,87–91,61% . Analisis nitrat, nitrit, dan amonia dari pupuk menyimpulkan bahwa pupuk urea pelepasan terkendali lebih ramah lingkungan. Kata kunci: Urea pelepasan terkendali, Kitosan, Ramah lingkungan, Crosslink emulsi, Pupuk
Co-Authors A.A. Ketut Agung Cahyawan W Abd. Rasyid Syamsuri Adenia, Atika Putri Adi Winata Ahmad Imanudin Ahmad Suhendi Aldi Fathurohman Ali Hafid Supriatna Alia Badra Pitaloka Anellysha Putri Apriantika Anggoro, Dendy Vito Artika Sari Septiaziz Ayu Zakiyah Lestari Azzahra, Atina Sabila Barleany, Dhena Ria Chatarina Umbul Wahyuni Dandi Irawanto Dandi Irwanto Denni Kartika Lestari Denni Kartika Sari Denni Kartika Sari Devi Nuraini M Dewi, Heny Puspita Diki Suhendar Edi Mikrianto Endang Suhendi Endang Suhendi, Endang Endrian Harzuli Fakhri Muhammad Fakhri Muhammad Feni Nurbayanti Gustiana Awaludin Sobarsah Hafid Alwan Harly Demustila Hary Sulistyo Indar Kustiningsih Iqbal Syaichurrozi Iryanti Fatyasari Nata, Iryanti Fatyasari Jauharotul Uyun Kiky Corneliasari Sembiring Kosimaningrum, Widya Ernayati Kustiningsih, Indar Lestari, Retno Sulistyo D. Listiyani Nurwindya Sari M. Kemal Renaldi Marta Pramudita Maulana Suyuti Maulana Suyuti Meri Yulvianti Moh. Fahrurrozi Moh. Fahrurrozi Mohammad Fahrurrozi Mohammad Fakhrurozi Muhammad Luthfi Nicken Ayoe Fajrianto Nuryoto Ofi Shofiah Pangihutan Pangihutan Pitaloka, Alia Badra R Rochmadi Rahmayetti Rahmayetti Reta Pujinia Retno Hadi Winoto Retno S.D. Lestari Retno Sulistyo D Lestari Retno Sulistyo Dhamar Lestari Retno Sulistyo Dhamar Lestari Reyonaldo Langgeng Adi Wardana Reyonaldo Langgeng Adi Wardana Rizkina Ika Aryana Rochmadi Rochmadi Rochmadi Rochmadi Rochmadi Rochmadi Rochmadi Rochmadi Rodiansono Rodiansono Rozak Bahaudin Rozak Rozak Rudi Hartono Ruhiatna, Adam Saepurahman Saepurahman Sang Kompiang Wirawan Selfira Arum Andadari Seta Dewo Siahaan, Yudhistira Madani Putra Sunnardianto, Gagus Ketut Teguh Kurniawan Teguh Kurniawan Tri Rina Sari Wahyu Budi Setiawan Yulianto, Amin Yulvianti, Meri Zulfaidah, Farah Alifia