Rima Dhinta Dewi Astuti

Application of Kaolin Adsorbent on Fe(II) Metal Absorption in Water Open

Alfian Putra, Zuhra Amalia, Rima Dhinta Dewi Astuti, Umi Qhanita Putri Swya, Rika Wahyuni Rusti Annisa · 2024

In this study, a comparison was made of the absorption of kaolin in reducing Fe(II) metal in water by modifying kaolin with anionic surfactants and also irradiating kaolin with ultrasonics. The aim of this research is to compare the optimi…

REFINERY OF CITRONELLA OIL USING VACUUM HYDRODISTILATION METHOD IN ACEH UTARA DISTRICT Open

Syafruddin Syafruddin, Reza Fauzan, Zulfan Khairil Simbolon, Rizal Syahyadi, Atiqah Aida , et al. · 2023

Citronella oil is a non-timber forest product (NTFP) and is commercially obtained from the distillation of citronella leaves (Cymbopogon nardus L). Fragrant citronella leaves are one of the raw materials for obtaining vegetable oils in the…

INFLUENCE OF THE ADDITION OF PARAFFIN AND GRAPHITE ON ETHYLENE PROPHYLENE DIENE MONOMER (EPDM) FOR THERMAL ENERGY STORAGE Open

Pocut Nurul Alam, Isra Adelya Izzati, Rima Dhinta Dewi Astuti, Umi Qhanita Putri Swya, Teuku Rihayat · 2023

This study aims to determine the effect of the paraffin: graphite ratio on the thermal resistance of the Phase Change Material (PCM). PCM mixed with Ethylene Propylene Diene Monomer (EPDM) which has good compatibility with paraffins as a b…

REFINERY OF CITRONELLA OIL USING VACUUM HYDRODISTILATION METHOD IN ACEH UTARA DISTRICT Open

Syafruddin Syafruddin, Reza Fauzan, Zulfan Khairil Simbolon, Rizal Syahyadi, Atiqah Aida , et al. · 2022

Citronella oil is a non-timber forest product (NTFP) and is commercially obtained from the distillation of citronella leaves (Cymbopogon nardus L). Fragrant citronella leaves are one of the raw materials for obtaining vegetable oils in the…

PENYISIHAN ION LOGAM FE MENGGUNAKAN ADSORBEN KAOLIN YANG DIMODIFIKASI SURFAKTAN Open

Alfian Pramudita Putra, Teuku Rihayat, Rima Dhinta Dewi Astuti · 2022

ABSTRAK Penelitian ini dilakukan untuk mempersiapkan adsorben berbahan baku kaolin alam yang dimodifikasi CTAB untuk menyisihkan ion logam Fe2+ dari permukaan air. Kaolin alam dicuci dengan air suling dan selanjutnya dikeringkan dalam oven…

ULTRASOUND-ASSISTED ADSORPTION HG (II) USING KAOLIN ADSORBENTS MODIFIED WITH ANIONIC SURFACTANT Open

Alfian Putra, Zaimahwati, Rizal Syahyadi, Teuku Rihayat, Rima Dhinta Dewi Astuti , et al. · 2022

This study aims to test the reservoir wastewater containing domestic waste using a modified kaolinite adsorbent with Alkyl Benzene Sulfonate surfactant using ultrasonic technology (KM). First, the adsorbent to be used is characterized usin…

SINTESA MATERIAL PERUBAHAN FASA BERAZASKAN PARAFFIN/GRAFIT DENGAN MATRIX HDPE/PLA Open

Rima Dhinta Dewi Astuti · 2021

Material perubahan fase distabilkan bentuk (PCM) berdasarkan parafin dan high-density polyethylene (HDPE) yang digunakan sebagai media penyimpanan energi panas. Media penyimpanan ini dapat mempertahankan bentuknya bahkan ketika parafin dal…

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