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All Journal Jurnal Teknik Kimia Specta Journal of Technology Indonesian Applied Physics Letters
Putra, Ade Wahyu Yusariarta
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Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Environmental Science Materials Science & Nanotechnology Physics

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FOTODEGRADASI ZAT PEWARNA TEKSTIL (RHODAMIN B) MENGGUNAKAN ADSORBEN BERBASIS MATERIAL KOMPOSIT KALSIUM TITANATE (CATIO3) Ernawati, Lusi; Wahyuono, Ruri Agung; Maharsih, Inggit Kresna; Yusariarta, Ade Wahyu; Laksono, Andromeda Dwi; Kartikowati, Christina Wahyu; Nandiyanto, Asep Bayu Dani
Jurnal Teknik Kimia Vol 14, No 2 (2020): JURNAL TEKNIK KIMIA
Publisher : Program Studi Teknik Kimia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/jurnal_tekkim.v14i2.2023

Abstract

Komposit nanopartikel kalsium titanate (CaTiO3) berhasil disintesis melalui metode solid-state dan proses kalsinasi menggunakan kalsium karbonat (CaCO3) dan titanium oksida (TiO2) anatase. Bahan awal ditetapkan dalam perbandingan molar CaCO3/TiO2 yakni (1:1), (1:5), dan (1:7). Kedua bahan campuran CaCO3 dan TiO2 dilarutkan dan dihomogenkan melalui pengadukan. Campuran larutan yang telah homogen, diendapkan, dikeringkan dan dikalsinasi menggunakan suhu 900oC. Morfologi dan sifat mikro struktural dari bahan CaTiO3 dikarakterisasi menggunakan scanning electron microscopy (SEM) dan analisis energy dispersive X-ray (EDX). Komposit nanopartikel CaTiO3 selanjutnya digunakan untuk fotodegradasi zat pewarna Rhodamine B (RhB) di bawah sinar lampu UV. Hasil investigasi menunjukkan bahwa mekanisme penyerapan (adsorbsi) RhB dan sifat fotokatalitik dari CaTiO3 sangat tergantung pada komposisi bahan awal. Studi kinetika menunjukkan bahwa aktivitas fotokatalitik reaksi CaTiO3 terhadap RhB mengikuti model kinetika orde pertama. Lebih lanjut, 100mg RhB dapat terdegradasi sebesar 97.37% 23.34% pada penggunaan komposisi CaTiO3 sebanyak 0.5 hingga 2.0g dalam waktu 40menit. Hasil penelitian menunjukkan bahwa fotokatalis berbasis komposit CaTiO3 sangat efektif dalam mendegradasi zat pewarna RhB. Hal ini dikaitkan dengan besarnya luas permukaan aktif katalis serta kemampuan menghasilkan ion radikal pendegradasi RhB dari proses pemisahan muatan.  Kata kunci: CaTiO3; fotodegradasi ; fotokatalisis ; pewarna tekstil ; rhodamine B DOI : https://doi.org/10.33005/jurnal_tekkim.v14i2.2023
The Characteristics of Polyester Concrete with Local Sand of East Borneo as Filter Dewi, Asti Lolita; Tanjung, Rifqi Aulia; Tajalla, Gusti Umindya Nur; Parmita, Ade Wahyu Yusariarta Putra
Indonesian Applied Physics Letters Vol. 5 No. 1 (2024): June 2024
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/iapl.v5i1.58323

Abstract

Concrete is a mixture of coarse aggregate and fine aggregate mixed with water and cement as a binder and filler. The disadvantages of traditional concrete are that high water absorption causes low chemical resistance, low modulus of elasticity, low impact strength and a long hardening time to reach its maximum properties, namely 28 days. The solution to these shortcomings that is being developed for construction material applications is by using polymers as polymer concrete. In this research, polyester resin and sand aggregate were used as basic materials. Polyester resin is a type of thermosetting polymer that is widely used in various applications such as automotive parts, composites and construction because of its suitable processing characteristics and affordable price. Meanwhile, the sand used is local Kalimantan sand, where from the XRF and XRD test results, local Kalimantan sand is included in the silica sand type. This research varies the weight fraction of polyester resin used to determine its effect on polymer concrete characteristics such as porosity, water absorption, compressive strength, and macro observations. Variations in the polymer weight fraction used were 20%, 25% and 30%. Compressive strength testing was carried out at the age of 7 days of concrete. The results of the porosity test show that the average porosity of all variations is ± 0.5%. Meanwhile, the average value of water absorption for all fractions is 0.2%. And the highest average value of compressive strength in the 30% polyester resin weight fraction was 66.9 MPa. So it can be concluded that all variations meet SNI standards to become concrete materials.
Penerapan Inovasi Hijau dalam Perancangan Souvenir Wisata Berkelanjutan Menggunakan Material Biokomposit dari Limbah Tandan Kosong Kelapa Sawit (TKKS) untuk Mendukung Branding IKN sebagai Ibu Kota Negara Terhijau di Dunia Syaputra, Eko Agung; Parmita, Ade Wahyu Yusariarta Putra; Febrianti, Nia; Maharany, Gunanda Tiara; Rossalina, Novianti
SPECTA Journal of Technology Vol. 8 No. 3 (2024): SPECTA Journal of Technology
Publisher : LPPM ITK

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35718/specta.v8i3.1222

Abstract

Souvenirs have an important role in supporting regional economic development, souvenirs can also function as an important symbol of identity and culture because they can contribute to the preservation and promotion of local traditional heritage. But on the other hand, the souvenir industry also has the potential to damage the environment. Therefore, it is important to ensure that souvenir production and consumption practices use sustainable principles. The increasing level of deforestation and forest degradation in East Kalimantan due to IKN development needs to be balanced with green innovation. One of them is exploring renewable materials as raw materials for superior regional products. Indonesia has an abundance of empty oil palm fruit bunches (EFB), for every 1 ton of palm oil there is 23% or 230 kg of EFB waste. With its quality and uniqueness, this EFB biocomposite material is suitable as the basic material for sustainable tourism souvenirs as an Indonesian identity. This research aims to develop sustainable tourist souvenir designs made from EFB waste as one of the branding of IKN souvenirs for the international market. The identification in this research used the Design-driven Material Innovation (DDMI) method. DDMI is a product design design model that starts from material development from understanding material characteristics, and creating product lines, to communicating the uniqueness of materials to the market. This research produces designs and prototypes of tea sets as sustainable tourist souvenir products that are ready to be made on an industrial scale. Tea sets are often used as souvenirs in state agendas because they reflect a country's cultural identity and diplomatic status, as well as a way to strengthen relations between countries through appreciation and respect. This aligns with one of the goals to support the branding of the IKN as the greenest capital city in the world.
Studi Pengaruh Temperatur Kalsinasi dalam Pembentukan Nanomagnetite dengan Metode Green Synthesis Ekstrak Daun Nanas Putra Parmita, Ade Wahyu Yusariarta; Panji; Dewanto, Hizkia Alpha; Sasongko, Ashadi; Qulub, Fitriyatul; Triana, Yunita; Parmita, Ade Wahyu Yusariarta Putra
SPECTA Journal of Technology Vol. 7 No. 2 (2023): SPECTA Journal of Technology
Publisher : LPPM ITK

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35718/specta.v7i2.940

Abstract

In synthesizing Fe3O4 nanoparticles using the green synthesis method by adding FeCl3.6H2O and pineapple leaf extract. Pineapple leaf extract is used as a natural reducing agent which contains hydroxyl and carbonyl, which acts as a reducing agent for the synthesized FeCl3.6H2O. Then after the precipitate is obtained, calcination will be carried out, where the calcination temperature in the synthesis becomes a factor in forming Fe3O4 nanoparticles. Different calcination temperatures of 400°C, 450°C, and 500°C were given to prepare Fe3O4 nanoparticles, with the XRD test results confirming that Fe3O4 nanoparticles were formed. In the SEM-EDX test, the optimum variation is 400°C because the average particle size is 150.23 nm with irregular particle shapes. Then proceed with the SAA results with a surface area of 60.125 m²/g. Nanomagnetite produced by green synthesis of pineapple leaf extract can be used as a removal dyes.
Co-Authors Ali Djamhuri Asep Bayu Dani Nandiyanto Ashadi Sasongko Christina Wahyu Kartikowati Dewanto, Hizkia Alpha Dewi, Asti Lolita Eko Agung Syaputra Fitriyatul Qulub Laksono, Andromeda Dwi Maharany, Gunanda Tiara Maharsih, Inggit Kresna NIA FEBRIANTI, NIA Panji Putra Parmita, Ade Wahyu Yusariarta Rossalina, Novianti Ruri Agung Wahyuono Tajalla, Gusti Umindya Nur Tanjung, Rifqi Aulia Yunita Triana, Yunita