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Zulmiardi, Zulmiardi
Universitas Malikussaleh
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Journal : International Journal of Engineering, Science and Information Technology

 1 
Methyl Orange Absorption Using Chitosan from Shrimp Skin as an Adsorbent Meriatna Meriatna; Sanda Mulia Utari; Rizka Mulyawan; Muhammad Muhammad; Zulmiardi Zulmiardi
International Journal of Engineering, Science and Information Technology Vol 3, No 2 (2023)
Publisher : Department of Information Technology, Universitas Malikussaleh, Aceh Utara, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52088/ijesty.v3i2.431

Abstract

In the coloring process, the textile industry generally uses synthetic (artificial) dyes, methyl orange (MO). In this study, the adsorption of methyl orange (MO) dye with chitosan was investigated in a series of batch laboratory studies. The adsorption equilibrium study used a MO solution with a concentration of 10 to 50 mg/L with an adsorbent weight of 3 g put into an Erlenmeyer and shaken until the adsorption reached an equilibrium condition. Meanwhile, the adsorption kinetics used a MO solution with an initial concentration of 10 and 20 mg/L with a volume of 100 mL with an adsorbent weight of 3 g and the solution was adjusted to pH 2. Effective operating parameters such as pH, initial concentration of dye (C0) and contact time at adsorption has been investigated. The results showed that the adsorption capacity of methyl orange (MO) dye from chitosan increased with an increasing acid content, and it was found that a solution of pH 2 was the optimal pH value for MO adsorption. The adsorption parameters for the Langmuir and Freundlich isotherms were determined by nonlinear regression and the equilibrium data were best explained by the Langmuir isotherm model, this was indicated by the high value of the correlation coefficient (R2), which was 0.9595. The maximum adsorption capacity was 0.1297 mg/g. Adsorption kinetics can be successfully applied to pseudo second-order kinetic models. The pseudo second-order model results show that the adsorption process is controlled by chemical sorption (chemisorption).
Study of Adsorption of Lead Metal (Pb) Using Chemically Acti-vated (Nypa Fruticans) Powder Biosorbent Meriatna Meriatna; Lukman Hakim; Masrullita Masrullita; Zulmiardi Zulmiardi; Suri Atika
International Journal of Engineering, Science and Information Technology Vol 3, No 2 (2023)
Publisher : Department of Information Technology, Universitas Malikussaleh, Aceh Utara, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52088/ijesty.v3i2.443

Abstract

Heavy metal contamination in the environment is now quite concerning, and it is hazardous if it enters the body. Continuous human interaction with heavy metal lead (Pb) will result in various health problems. Nipa palm is a palm (Palma) thrives in mangrove forest habitats or along the seashore, with a cellulose content of 35.1%, 26.4% hemicellulose, and 17.8% lignin. This research aims to see if palm fronds (Nypa fruticans) can be used as a biosorbent to remove the heavy metal Pb in artificial solutions. The analysis was carried out in phases, beginning with the creation of biosorbents from Nipah fronds by decreasing their size to powder and drying them in the sun, followed by analyzing the efficacy of the biosorbents and the number of functional groups using the FTIR instrument. The research was carried out by varying the particle size of the nipa palm frond adsorbent, namely 40, 60, and 80 mesh, as well as contact times of 30, 60, 90, and 100 minutes, to determine the level of adsorption absorption and the adsorption mechanism using the Langmuir and Freundlich isotherm equation approach. The Pb solution used had a concentration of 20 ppm. The results showed that the maximum metal absorption level was 99.29% at a particle size of 80 mesh with a contact time of 100 minutes. The absorption mechanism is close to the Langmuir isotherm equation with R2 = 0.9998. It is suspected that the adsorption process occurs in one layer (monolayer) of the adsorbent.
Synthesis Carboxyl Methyl Cellulose (CMC) from Rice Straw (Oryza Sativa L.) Waste Masrullita, Masrullita; Nurlaila, Rizka; Zulmiardi, Zulmiardi; Safriwardy, Ferri; Auliani, Auliani; Meriatna, Meriatna
International Journal of Engineering, Science and Information Technology Vol 2, No 1 (2022)
Publisher : Department of Information Technology, Universitas Malikussaleh, Aceh Utara, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (553.889 KB) | DOI: 10.52088/ijesty.v2i1.200

Abstract

Rice straw is one of material containing cellulose to produce Carboxymethyl Cellulose (CMC). CMC is a non toxic polysaccharide that produces from cellulose that widely used in the pharmaceutical, food, textile, detergent, and cosmetic products industries. There are two stages usually use to produce CMC which are mercerization and esterification processes. Rice straw waste is one of the materials to produce CMC, it has a cellulose content of 37.7%, hemi-cellulose 21.99%, and lignin 16.62 %.  BPS Aceh shown that the total rice harvested area was 310.01 hectares, with a total production of 1.71 million tons, and rice produced at 982.57 thousand ton. This study aims to reduce waste and environmental pollution caused by rice straw and collects information of rice straw as a basic material to produce of carboxymethyl cellulose and to increase the economic value of rice straw.  The effects of various wieght parameters sodium monochloroacetate on chemical properties of CMC that produce from rice straw were investigated in this research. Rice straw was collected from a rice field in Nisam, North Aceh. The research conducted by synthesizing 5 grams rice straw for 5.5 hours using NaOH and Sodium Monochloroacetate solutions. With variations weight of sodium monochloroacetate are 5,6,7,8 and 9 grams. The characterization of CMC was carried out by Fourier Transform Infrared (FTIR), CMC yield, DS, Viscosity, water content, pH. The result shows that addition of sodium monochloroacetate was significant factors influence the chemical properties on CMC. The CMC that produced in this study achieved to National Indonesia Standard (SNI).
Application of Pisang Awak Bunch-Derived Heterogenous Base Catalyst in Transesterification of Palm Oil into Biodiesel Meriatna, Meriatna; Zulmiardi, Zulmiardi; Suryati, Suryati; Sulhatun, Sulhatun; Dina Nasution, Zukhrufi; Rahmadhani, Rahmadhani
International Journal of Engineering, Science and Information Technology Vol 2, No 1 (2022)
Publisher : Department of Information Technology, Universitas Malikussaleh, Aceh Utara, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (301.396 KB) | DOI: 10.52088/ijesty.v2i1.204

Abstract

Biodiesel is an alternative fuel for diesel machine comprosied of alkyl monoesters deriving from vegetable oils or animal fats. Cooking oil is an oil originated from vegetable or animal fat which has been priorly purified, where it appears in liquid form at room temperature and is usually used to fry food ingredients. Heterogenous catalyst is a catalyst present in different phase with the reagent in a reaction it catalyzes. Kalium content in banana in a banana bunch is sufficiently high reaching 94.4%. The aim of this study was to utilize banana bunch which has been priorly ashed using furnace at 700°C for 4 hours, thereafter, applied as a heterogenous catalyst in a the preparation process of biodiesel from cooking oil. Processing variables investigated in this research included the influences of the number of catalyst (3, 4, 5, 6, and 7%) and molar rasio of oil and methanol (1:5, 1:6, 1:7, 1:8, and 1:9) against the properties of produced biodiesel, namely density, viscosity, and water content which later compred with Indonesian standard (SNI). From the study, it was obtained maximum yield of 90.97% with methanol:oil rasio of 1:7 at processing temperature of 60°C with reaction time of 90 minutes and catalyst as much as 3 % w/w. The characteristics of the cooking oil-based biodiesel obtained from the a reaction with oil: methanol rasio of 1:6 and catalyst as much as 3% w/w were density 850 kg/m3 and viscosity 621 mm2/s. This research showed that the obtained biodiesel characteristics had been sufficient according to the SNI, and the use of calcinated banana bunch was very potential in the production of biodiesel acting as solid catalyst person.
Optimization Study Of Time And Mass Of Ketapang Fruit Shell Biosorbent in the Methylene Blue Batch Adsorption Process Meriatna, Meriatna; Zulmiardi, Zulmiardi; Nurlaila, Rizka; Suryati, Suryati; Hasfita, Fikri; Faisal, Faisal
International Journal of Engineering, Science and Information Technology Vol 5, No 3 (2025)
Publisher : Malikussaleh University, Aceh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52088/ijesty.v5i3.1000

Abstract

Ketapang fruit shell (Terminalia catappa) has shown potential as a low-cost, eco-friendly biosorbent for removing synthetic dyes from aqueous solutions. This study aimed to determine the optimum conditions for contact time and adsorbent mass of ketapang fruit shell in the adsorption of methylene blue dye. The research involved several stages: preparation and chemical activation of the fruit shells, batch adsorption experiments, analysis of adsorption capacity and efficiency, and optimization using the Response Surface Methodology (RSM). Characterization of the adsorbent was conducted using UV-Visible spectroscopy, Fourier Transform Infrared (FTIR) spectrosco-py, and Scanning Electron Microscopy (SEM) to analyze functional groups and surface morphology. The RSM approach was employed to evaluate the interaction effects of contact time and adsorbent mass, as well as to predict the optimal conditions for maximum dye re-moval. The optimum adsorption conditions were achieved at a contact time of 39.15 minutes and adsorbent mass of 0.416 g, resulting in an adsorption capacity of 1.935 mg/g and 100% removal efficiency. The regression model obtained from RSM was: Y= 35.13437  + 334.35597A – 1.67299B + 0.088354AB – 402.98656A² + 0.018207B², with  a coefficient of determination R² = 0.7857 (78.57%), indi-cating a good model fit. Furthermore, the adsorption behavior followed the Freundlich isotherm model, supported by an R² value of 0.787 (78.7%), suggesting multilayer adsorption on a heterogeneous surface. These findings confirm the effectiveness of ketapang fruit shell as a promising adsorbent for methylene blue removal in wastewater treatment applications.
Co-Authors Abdul Rahman Abubakar Dabet Agam Muarif Ahmad Nayan Alvira Rosa Asnawi Asran Asran Asran Auliani Auliani Auliani Auliani, Auliani Azhari, Nur Jannah Badriana, Badriana Bakhtiar Burhanuddin Chairunnisa Chairunnisa Dedi Fariadi Devi, Sri Marlia Dina Nasution, Zukhrufi Dion Aidil Putra Dwi Dear Asrianda Damanik Eka Intan Kumala Putri Ezwarsyah Faisal Faisal Fajar Sidiq Seregar Fajar, Aidil Ferri Safriwardy Ferry Safriwardi Fibarzi, Wiza Ulfa Fikri Hafita Fikri Hasfita Fitriani Fitriani Hadi, Dodi Alfarasi Hanie, Nawardah Hery Widijanto Ibrahim, Ishak Iqbal Kamar Ishak Ibrahim Jalaluddin Kamar, Iqbal Kurniawan, Meutia Leni Maulinda, Leni Leni, Maulinda Lukman Hakim Lukman Hakim Lutvia, Faiza Masrullita Masrullita Masrullita Masrullita, Masrullita Maulana, Muhammad Zikri Meriatna Meriatna Muhammad Habibi Muhammad Muhammad Muhammad Muhammad Muhammad Nuzan Rizki Muhammad Sayuthi Muhammad Zakaria Muhammad, M Mulyawan, Rizka Munawar Khalil Mutamimmul Ula Nasrul ZA, Nasrul Nasrul Za, Nasrul Za Novi Sylvia Nurlaila, Rizka Nurmalita Panjaitan, Muhammad Ishak Idrus Pradesti, Salsa Putra, Reza Raden Mohamad Herdian Bhakti Rahmadhani, Rahmadhani Raudhatul Ulfa Rianda, Rizki Rina Afriani Rizka Mulyawan Rizka Nurlaila Rosdiana Rosdiana Safrida, Riana Safriwardi, Ferri Salim, Muhammad Yahdi Sanda Mulia Utari Selamat Meliala Sinaga, Ahmad Roihan Sofiyani, Nurwardina Sulhatun Sulhatun Suri Atika Suryati Suryati Suryati Suryati Suryati Syamsiar, Syamsiar Syamsul Bahri Syukriah Syukriah Syukriah, Syukriah Taufiq Taufiq Teuku Multazam Trisna Trisna, Trisna Wiza Ulfa Fibarzi Wusnah Wusnah Wusnah, Wusnah Yasir Amani Yudistira Yudistira Yusuf, Edy Zainuddin Ginting Zuraida Zuraida