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All Journal Jurnal Civics: Media Kajian Kewarganegaraan Masalah-Masalah Hukum Seminar Nasional Teknik Kimia Kejuangan KURVATEK Prosiding Conference on Research and Community Services Prosiding Seminar Nasional Rekayasa Teknologi Industri dan Informasi ReTII JIPI (Jurnal IPA dan Pembelajaran IPA) Contemporary Issues on Interfaith Law and Society
Ani Purwanti
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Aerospace Engineering Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry 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 Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences Transportation Other

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Pemanfaatan Abu Hasil Gasifikasi Sekam Padi Menjadi Silika Gel Ani Purwanti
Retii 2024: Prosiding Seminar Nasional ReTII ke-19 (Edisi Penelitian)
Publisher : Institut Teknologi Nasional Yogyakarta

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Abstract

The rice milling industry produces 35% rice husk, which contains silica (SiO2) as one of its main components. Rice husk comprises water (9.02%), ash (17.71%), and carbohydrates (33.71%). Silica gel is derived from the coagulation of sodium silicate (NaSiO₂) sol and is highly porous, making it effective in moisture adsorption. Utilizing rice husk for silica gel production presents an efficient solution. Rice husk gasification transforms biomass waste into syngas, with ash as a byproduct. This study involved processing rice husk ash from gasification into sodium silicate, followed by a sol-gel process using both strong and weak acids to produce silica gel. Gasification was performed at 750 °C for 5 hours. The ash was ground and sieved (150 mesh). Extraction was conducted at 80°C for 1 hour using 1N NaOH, after which acid was added until the pH reached 7. The acids used were 1N HCl and acetic acid . The mixture was heated to 80°C until the silica gel reached a constant weight. The resulting silica gel was analyzed using FT-IR and tested for air moisture adsorption. The synthesis of silica gel using HCl yielded less product compared to using CH3COOH. FT-IR analysis of the rice husk ash silica gel indicated the presence of Si-OH and Si-O-Si functional groups. In the water adsorption test, silica gel synthesized with strong acid (HCl) exhibited higher water adsorption capability compared to silica gel synthesized with weak acid (CH3COOH).
Inclusive Education, Disability, and Interfaith Justice: Legal and Religious Barriers in Plural Indonesian Society Lestari , Eta; Ani Purwanti; Ratna Herawati; Atmojo, Danang Puji; Saputra, Meidi
Contemporary Issues on Interfaith Law and Society Vol. 4 No. 2 (2025): Digital Society and Interfaith Legal Challenges
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/ciils.v4i2.32547

Abstract

Inclusive education is widely recognized as a fundamental human right; however, its realization for persons with disabilities remains uneven in plural societies such as Indonesia. This study examines inclusive education as an interfaith legal issue, arguing that the persistent failure to achieve substantive equality is not merely a problem of weak policy implementation but a consequence of normative dissonance among state law, religious norms, and social practices. Employing a juridical-empirical approach within a legal pluralism framework, the study draws on qualitative data from interviews, observations, and document analysis to explore how stigma and exclusion are socially and normatively produced. The findings reveal that disability stigma is reinforced through paternalistic religious interpretations, institutional routines in schools, and the lack of harmonization between Law No. 8 of 2016 on Persons with Disabilities and the National Education System Law. At the same time, religious values across faith traditions possess significant normative potential to function as modalities of inclusion when mobilized through interfaith engagement. This study contributes to socio-legal scholarship by reframing inclusive education as a contested normative space shaped by interfaith dynamics and legal pluralism, and by highlighting the necessity of legal reform alongside cross-religious collaboration to achieve substantive justice in education.
PEMANFAATAN CANGKANG DAN FRASS LARVA BLACK SOLDIER FLY UNTUK PEMBUATAN PUPUK PADAT DAN CAIR SERTA APLIKASINYA PADA TANAMAN CABAI Ani Purwanti; Kurniawati, Mukasi Wahyu
KURVATEK Vol 11 No 1 (2026): Energy Management and Sustainable Environment
Publisher : Institut Teknologi Nasional Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33579/krvtk.v11i1.6529

Abstract

Penelitian ini bertujuan untuk menilai kemampuan frass dan cangkang larva Black Soldier Fly (BSF) sebagai bahan baku dalam pembuatan pupuk baik yang padat maupun cair, serta dampaknya terhadap perkembangan tanaman cabai (Capsicum annuum L.). Riset ini dilaksanakan dengan menggunakan metode rancangan acak lengkap (RAL) yang terdiri dari empat perlakuan: kontrol tanpa pupuk (P0), pupuk kimia NPK (P1), pupuk padat dari frass BSF (P2), dan pupuk cair yang berasal dari fermentasi frass dan cangkang BSF (P3). Beberapa parameter yang diukur mencakup tinggi tanaman, jumlah daun, bobot buah segar, serta kadar nitrogen dalam tanah setelah panen. Temuan dari penelitian menunjukkan bahwa perlakuan P3 menghasilkan pertumbuhan dan hasil cabai yang tertinggi dengan peningkatan rata-rata sebesar 94% dibandingkan kontrol. Peningkatan kadar nitrogen dalam tanah mencapai 68% dibandingkan P0. Ini menunjukkan bahwa frass dan cangkang BSF memiliki potensi sebagai pupuk organik yang memiliki fungsi ganda, baik sebagai sumber nutrisi maupun sebagai stimulan pertumbuhan tanaman.
Co-Authors . Suhartono Abd. Rasyid Syamsuri Astuti Muh. Amin Atmojo, Danang Puji Deviana Rizki Nurfadilah Dony Syamsuddin Halomoan Pasaribu Fajar Y. Prabowo Fatah Ibnul Qoyyim Febry Amalia Iska Ayu Pratiwi Jasiah Jasiah Lestari , Eta Lestari, Eta Yuni Maria Egenia Vivian Eksi Putri Meidi Saputra Miftaahur Rahmawati Miftahul Arifin MUCHLIS Muhammad Nurrahman Mukasi Wahyu Kurniawati Nadia Alviyati Noor Hujjatusnaini* Nurul Septiana PUTRI OKTAVIANI Ratna Herawati Rina Resiana Dewi Satriawan D. Hariyanto Suparni S. Rahayu Tanti Kusuma Amanningrum Theodorus Cahyo Paparingan Uli Anita Ambarita Wisnu Prayogo