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All Journal Jurnal Katalisator Miracle Get Journal
Aidil Onasis
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Agriculture, Biological Sciences & Forestry Chemistry Public Health

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Development of Engineered Water Reservoirs for Aedes Mosquito Breeding Control Aidil Onasis; Jihad Wafiqa Rahmah; Rahmi Hidayanti; Akhirul Desman; Evino Sugriarta; Awalia Gusti
Miracle Journal Get Press Vol 2 No 2 (2025): May, 2025
Publisher : CV. Get Press Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69855/mgj.v2i2.121

Abstract

The presence of water reservoirs as mosquito breeding sites is a major factor in the transmission of dengue hemorrhagic fever (DHF). This study developed an engineering-based tool to manage larval density and prevent mosquito proliferation. Experiments were conducted using 18 water reservoirs made of fiber, concrete, metal, and plastic, both with and without larval traps, with 900 Aedes aegypti larvae as samples. Data were analyzed using univariate and bivariate methods (T-test) at a 95% confidence level. Results showed no significant difference among container materials in supporting mosquito breeding, allowing flexibility in designing water containers for vector control. A light sensor was later integrated to detect larval presence, and a model for community-based application was introduced. The findings confirm that all types of water storage, regardless of material or size, can support mosquito breeding. Incorporating technologies such as light or motion sensors can enhance larval control efforts. This model also serves as a tool for public education on environmental health, emphasizing the importance of household conditions in preventing mosquito proliferation. Further research will refine and implement the model in real-world settings.
ADSORPTION STUDY OF LEAD (Pb²⁺) IONS USING CASSAVA PEEL BIOCHAR: EFFECT OF pH AND CONTACT TIME Elfia, Mega; Etriyanto Arman; Eduwin Saputra; Alfin Surya; Yoravika Dwiwibangga; Vicka Andini; Aidil Onasis; Nadya Br Debora
JURNAL KATALISATOR Vol. 10 No. 2 (2025): Jurnal Katalisator, Volume 10 No 2 Oktober 2025
Publisher : LLDIKTI X Sumbar, Riau, Jambi, Kepri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62769/katalisator.v10i2.3484

Abstract

This study evaluates the adsorption performance of NaOH-activated cassava peel biochar (Manihot esculenta Crantz) for the removal of Pb²⁺ ions from aqueous solutions, with particular focus on the effects of solution pH and contact time. Cassava peel biochar was produced via pyrolysis at 180–350 °C and chemically activated using 0.1 M NaOH. Surface functional groups and morphology were characterized using Fourier Transform Infrared Spectroscopy (FTIR) and Scanning Electron Microscopy–Energy Dispersive X-ray (SEM–EDX). Batch adsorption experiments were conducted by varying solution pH (3–8) and contact time (30–120 min), while Pb²⁺ concentrations before and after adsorption were analyzed using Atomic Absorption Spectroscopy (AAS). The results showed that solution pH significantly affected Pb²⁺ adsorption, with the highest adsorption capacity of 9.94 mg/g achieved at pH 5. Contact time also influenced adsorption performance, and the optimum condition was obtained at 90 min, yielding a maximum adsorption capacity of 9.94 mg/g. These findings indicate that NaOH-activated cassava peel biochar exhibits stable and effective Pb²⁺ adsorption under slightly acidic conditions and moderate contact time, highlighting its potential as a low-cost and environmentally friendly adsorbent for Pb²⁺ removal from contaminated wastewater.
Co-Authors Akhirul Desman Alfin Surya Awalia Gusti Eduwin Saputra Etriyanto Arman Jihad Wafiqa Rahmah Mega Elfia Nadya Br Debora Rahmi Hidayanti Sugriarta, Evino Vicka Andini Yoravika Dwiwibangga