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All Journal Ecotrophic, Journal of Environmental Science Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Jurnal Ilmu Lingkungan Jurnal Reka Lingkungan REKAYASA Jurnal Sains & Teknologi Lingkungan Jurnal Tekno Insentif AMALIAH: JURNAL PENGABDIAN KEPADA MASYARAKAT Journal of Information System, Applied, Management, Accounting and Research JPKMI (Jurnal Pengabdian Kepada Masyarakat Indonesia) Jurnal Pengabdian kepada Masyarakat Nusantara Pelita Teknologi : Jurnal Ilmiah Informatika, Arsitektur dan Lingkungan Jurnal Ilmiah SIGMA: Informatics Engineering Journal of UPB Jurnal Pengabdian Masyarakat Akademisi Journal of Practical Computer Science (JPCS) Jurnal Informatika Teknologi dan Sains (Jinteks) JURNAL POLI-TEKNOLOGI Jurnal Pengabdian Pelitabangsa Jurnal Nusantara Mengabdi Jurnal Lentera Pengabdian Proceeding International Pelita Bangsa VIDHEAS: Jurnal Nasional Abdimas Multidisiplin JMMR (Jurnal Medicoeticolegal dan Manajemen Rumah Sakit) Jurnal Pelita Pengabdian Jurnal Pengabdian Masyarakat (Jupemas) SAINTEK JPMAS : Jurnal Pengabdian Masyarakat
Nurhidayanti, Nisa
Program Studi Teknik Lingkungan, Universitas Pelita Bangsa, Bekasi
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Social Sciences Transportation Other

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Adsorption, Kinetic and Thermodynamic Studies for the Adsorption of Cadmium onto Combination of Chitosan and Coffee Ground Activated Carbon Nurhidayanti, Nisa; Riyadi, Agus
Rekayasa Vol 17, No 1: April, 2024
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/rekayasa.v17i1.20364

Abstract

The presence of cadmium in water due to its natural mobility can cause the nature of the water to become toxic and threaten the surrounding ecosystem when it accumulates in the food chain. The aim of this study was to investigate the maximum adsorption capacity using an isothermal model, to determine the rate of adsorption kinetics using chitosan and coffee powder adsorbents in reducing cadmium concentrations in industrial wastewater, and to investigate its thermodynamic magnitude. The research method was applied with laboratory experiments followed by quantitative data analysis to determine the isothermal model and adsorption kinetics. The results showed that the adsorption isotherm follows the Langmuir isotherm model with a correlation coefficient of 0.9970 and a maximum adsorption capacity of 0.7546 mg.g-1, which indicates that the chemical adsorption occurs in a monolayer, where the  adsorption sites are homogeneously distributed with the adsorption energy. Permanent and negligible interactions between cadmium molecules (adsorbate) and adsorbent. Thus the pseudo second order kinetic model is a better way to explain the reaction rate for cadmium in combination chitosan and coffee ground activated carbon. Negative ΔGo values indicate that the adsorption reaction takes place spontaneously, ΔHo of 0.3467 indicates an endothermic reaction, and ΔSo of 3.5296 indicates an increase in the randomness of the adsorption process at the adsorbent interface and cadmium during adsorption.
Penyuluhan Teknik Evaluasi Kinerja Melalui Pendekatan 5 Dimensi Kualitas Jasa/Servqual Di Sekolah Taman Kanak-Kanak Cikarang Selatan Supriyati Supriyati; Adi Rusdi Widya; Siti Rahayu; Nisa Nurhidayanti; Ikhsan Romli
Amaliah: Jurnal Pengabdian Kepada Masyarakat Vol 9 No 1 (2025): Amaliah Jurnal: Pengabdian kepada Masyarakat
Publisher : LPPI UMN AL WASHLIYAH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32696/ajpkm.v9i1.4635

Abstract

This community service activity aims to improve the quality of educational services at Kindergarten Schools (TK) in South Cikarang through performance evaluation techniques based on the SERVQUAL method. The main problem identified was that there had been no systematic measurement of the quality of educational services at the school. The SERVQUAL method was used with five main dimensions, namely Reliability, Responsiveness, Assurance, Empathy, and Tangibles. The activity began with observations and interviews with the school to understand the initial conditions of the service. Furthermore, training and counseling were carried out for the school regarding the importance of performance evaluation and the use of questionnaires based on the five dimensions of service quality. The evaluation results showed a gap between parents' expectations and perceptions of the services provided. This gap is used as a basis for priority service improvements, especially in dimensions with the largest differences. This activity provides benefits for schools in improving and enhancing the quality of education in a sustainable manner and involving the active role of parents in the evaluation process
Pemanfaatan Teknologi ChatGPT Meningkatkan Keterampilan Komunikasi dan Keterlibatan Rukun Tetangga RT 07 RW 08 Donny Maulana; Eko Budiarto; Maha Putra; Nisa Nurhidayanti; Amali Amali
Jurnal Pelita Pengabdian Vol. 1 No. 2 (2023): Juli 2023
Publisher : DPPM Universitas Pelita Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37366/jpp.v1i2.2383

Abstract

Pemanfaatan teknologi dalam kegiatan Rukun Tetangga (RT) dapat meningkatkan efektivitas komunikasi dan keterlibatan warga. Salah satu teknologi yang dapat dimanfaatkan adalah chatbot, seperti ChatGPT, yang dapat mempercepat proses komunikasi dan memudahkan warga dalam memperoleh informasi yang dibutuhkan. Penelitian ini bertujuan untuk menguji pemanfaatan teknologi ChatGPT sebagai sarana komunikasi efektif dan cepat dalam meningkatkan keterlibatan dan keterampilan warga RT 07 RW 08 di Desa Jayamukti, Kecamatan Cikarang Pusat. Metode yang digunakan adalah pelatihan dan pengujian terhadap warga RT. Hasil penelitian menunjukkan bahwa penggunaan teknologi ChatGPT dapat meningkatkan keterlibatan dan keterampilan warga RT dalam menjalankan tugas-tugas di lingkungan sekitar.
Co-Authors Adi Rusdi Widya Agus Jatnika Effendi Agus Riyadi Agus Riyadi Akhmad Khawari Amali Amali Ana Fitrotun Nisa Andini Putri Riandani Angga Bahrul Fahmi Arum Tarina Asep Muhidin Aswan S Sunge Ayu Wahyuningtyas Cici Arinih Dadang Heri Kusumah Daspar Daspar Dema Puji Lazuardini Deni Rusli Dhonny Suwazan Dhonny Suwazan Dhonny Suwazan Dhora Jati, Erwika Dodit Ardiatma Donny Maulana Dyah Wulandari Putri Edi Widodo Efendi L, Rudi Eko Budiarto Endah Yaodah Kodratillah Erina Rulianti Febrinasari, Tantry Fitri Rezeki Giri Nurpribadi Halomoan, Nico Harry Fadillah Pratama Helbi Nurul Huda Hendrian Nunggu Huda, Miftakul Ika Juhriati Ikhsan Romli Indah Yulian Kusuma Wardani Inna Nisawati Mardiani Ismi Trialfhianty, Tyas Isyulianto Isyulianto Jamaludin Tasdik Jati, Erwika Dhora Jayawarsa, A.A. Ketut Lina Yulita Maha Putra Mamad Nurahmad Martin Dharma Setiawan Maulana, Donny Meika Hikmatriana Miftakul Huda Mindriany Syafila Nadia Fitra Firnadi Nadya Ulfani Sara Nani Hartati Nasution Nasution Neny Mulyani Nida An Khofiyah Nisawati, Inna Novi Justika Harini Nur Ilman Ilyas Nur'aeni, Nur'aeni Puspita Sari, Intan Putri Anggun Sari Putri Riandani, Andini Rahma Dewi Ramadhani RDS, Yunita Retno Fitri Astuti Riandani, Andini Putri Rustianah, Rustianah Sandy Nugraha Sari, Putri Anggun Serta Manullang Setiawan , Martin Darma Simbar Fatih Buari Siti Rahayu Sofianti Sofianti Suherman Suherman Supriyanto Supriyanto Supriyati . Supriyati Supriyati Suri, Anita Tan, Emmelia Tata Tarnita TITIN SUNARYATI Tri Ngudi Wiyatno Winda Yulianti Wiyanto Wiyanto Yuli Winarto Yuni Hertati