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All Journal World Chemical Engineering Journal FLYWHEEL : Jurnal Teknik Mesin Untirta JURNAL INTEGRASI PROSES
Kanani, Nufus
Universitas Sultan Ageng Tirtayasa
Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation Other

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Journal : World Chemical Engineering Journal

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Effectivity Of Zeolite As An Adsorbent For Methyl Violet Adsorption Wardalia, Wardalia; Septi, Dede; Dewiyanti, Isna; Kanani, Nufus; Adiwibowo, Muhammad Triyogo
World Chemical Engineering Journal VOLUME 7 NO.1 JUNE 2023
Publisher : Chemical Engineering Department, Engineering Faculty, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/wcej.v7i1.20851

Abstract

The textile industry in Indonesia is developing. This development aligns with the amount of waste produced, such as dyes and metal waste, which can harm the environment and must be processed. One of the waste treatment methods that can be used is adsorption using zeolite. This study aims to determine the absorption effectiveness of Bayah natural zeolite adsorbents on lead and methyl violet waste. The zeolite was mashed and uniformed in size up to 80 mesh and then washed and heated to 120℃ to remove impurities in the zeolite. Then the zeolite was activated using 1 M HCl and 1 M NaOH activators and calcined at 500 ℃ for 4 hours. This research was carried out by varying the mass of the adsorbent as much as 0.5 and 1 g and the adsorption stirring time for 30 and 60 minutes. The results show that the maximum adsorption capacity was 181.84 mg/g with an efficiency of 91% for methyl violet adsorption and 198.7 mg/g with an efficiency of 99.57% for lead adsorption. The adsorption of natural zeolite on methyl violet and lead metal followed the Langmuir isotherm pattern with adsorption capacity of 23.04 mg/g and 87.72 mg/g, respectively.
Eco-Friendly Transformation and Energy Efficiency in Methanol-to-Olefins (MTO) Processes: Innovations Toward Sustainable Olefin Production Heriyanto, Heri; Rochmat, Agus; Suhendi, Endang; Pujiastuti, Hendrini; Wardalia, Wardalia; Kanani, Nufus
World Chemical Engineering Journal VOLUME 8 NO. 2 DECEMBER 2024
Publisher : Chemical Engineering Department, Engineering Faculty, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/wcej.v8i2.30231

Abstract

Uncertainty regarding global crude oil prices has raised concerns for industry players, including the intermediate chemical industry such as olefins. The possibility of oil prices rising unpredictably makes the production of olefins from naphtha less attractive. On the other hand, abundant reserves of coal and natural gas are being considered as the foundation for developing the olefin industry based on gasification processes. The process routes include the formation of synthetic gas (SynGas) consisting of Hydrogen and Carbon Monoxide (H2 and CO), Methanol production from SynGas, and Olefin production from Methanol (MTO). This review aims to provide an overview of MTO and future developments related to the diversification of processes and technologies for the commercial production of olefins. Current research development on the Methanol-to-Olefins (MTO) process has narrowed down to three main areas, including: (1) Catalyst modification to increase reaction yield (particularly C2 and C3 products), (2) Determination of detailed reaction mechanisms in olefin formation, and (3) Catalyst deactivation processes in MTO.
Evaluating Emulsion Dynamics: The Role of Surfactants and Mixing Conditions in Non-Baffled Configurations Kanani, Nufus; Kustiningsih, Indar; Wardhono, Endarto Yudo; Wardalia, Wardalia; Heriyanto, Heri; Adiwibowo, Muhammad Triyogo; Rusdi, Rusdi; Hartono, Rudi; Demustila, Harly; Damayanti, Demietrya Renata Sashi; Maulida, Alyssa Shafira; Priyatna, Aufa Irsyad
World Chemical Engineering Journal VOLUME 8 NO. 2 DECEMBER 2024
Publisher : Chemical Engineering Department, Engineering Faculty, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/wcej.v8i2.30085

Abstract

The study investigates the impact of surfactant concentration and mixing time on the physical properties and stability of emulsions in non-baffle mixing systems. Surfactants, known for their ability to reduce interfacial tension, play a pivotal role in enhancing emulsion stability by promoting uniform droplet dispersion and reducing coalescence. Experiments were conducted using varying surfactant concentrations (0, 5, and 10 mL) to evaluate their effects on key parameters such as density, viscosity, Reynolds number, emulsion height, and stability over time. The results revealed that higher surfactant concentrations significantly improved emulsion uniformity and stability, with the 10 mL concentration yielding the most consistent outcomes. However, the absence of baffles introduced challenges, including prolonged mixing times and stratification tendencies, underscoring the need for optimized mixing configurations. These findings have practical implications for industries reliant on stable emulsions, highlighting the importance of balancing surfactant concentration and mixing dynamics to achieve efficient and cost-effective processes.
Co-Authors Damayanti, Demietrya Renata Sashi Dewiyanti, Isna Dhimas Satria Endarto Yudo Wardhono Harly Demustila Heriyanto, Heri Jannah, Miftahul Kustiningsih, Indar Listijorini, Erny Maulida, Alyssa Shafira Muhammad Triyogo Adiwibowo Nazwa, Intan Pinem, Mekro Permana Priyatna, Aufa Irsyad Pujiastuti, Hendrini Rochmat, Agus Rudi Hartono Rusdi, Rusdi Septi, Dede Setiawan, Ipick Suhendi, Endang Suprayogi, Dedy Triawan Wardalia, Wardalia