Article Per Year (5 Year)
p-Index From 2020 - 2025
0.444
P-Index
This Author published in this journals
All Journal JURNAL INTEGRASI Jurnal Riset Teknologi Pencegahan Pencemaran Industri
Rakiman
Unknown Affiliation
Chemical Engineering, Chemistry & Bioengineering Chemistry Energy Engineering Environmental Science Other

Published : 2 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 2 Documents
Search

 1 
Modification of Steel Surface with Addition of Cocoa Fruit Pod Extract Inhibitor Using Electrodeposition Method Yetri, Yuli; Rakiman; Sukatik; Maimuzar; Silva Azaria Mahaputri
Jurnal Riset Teknologi Pencegahan Pencemaran Industri Vol. 14 No. 2 (2023): November
Publisher : Balai Besar Standardisasi dan Pelayanan Jasa Pencegahan Pencemaran Industri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21771/jrtppi.2023.v14.no2.p1-9

Abstract

The steel surface modification has been carried out with the addition of an inhibitor of cocoa fruit pod extract with varying concentrations of 0.5%, 1%, 1.5%, 2.0% and 2.5%. The aim is to add inhibitors to improve the appearance, and to slow down the corrosion rate. The electrodeposition method was used to form a thin film on the surface at a voltage of 3 volts for 3 minutes. Surface characterization using optical microscopy and scanning electron microscopy (SEM). X-Ray Diffraction (XRD) is used to determine the phase that occurs. The corrosion rate was calculated using the weight loss and potentiostate methods. The results of the characterization of the steel surface with the addition of 1% fruit pod extract inhibitor at the electrodeposition showed that the surface was smoother and more even and there was no porosity. XRD analysis showed that the electrodeposition results under the same conditions contained two elemental phases, namely Cu and Fe with different intensity values. The highest intensity is located at the peak of the second position of 2-Theta 44,84860 which is the peak of the Fe crystal. The lowest intensity is located at the third peak of 259.89 at the position of 2-Theta 98.9141 which is the peak of Cu. The high intensity indicates that the particle has good crystallinity. Cocoa fruit pod inhibitor is able to slow down the corrosion rate and smooth the metal surface by electrodeposition method.
Desain Alat Pengering Pozzolan di PT Semen Padang Rakiman; Zaini, Muhammad Fadhel; Muchtar, Ridwan; Hidayati, Rahmi; Yetri, Yuli
JURNAL INTEGRASI Vol. 17 No. 2 (2025): Volume 17, Nomor 2, Oktober 2025
Publisher : Pusat Penelitian dan Pengabdian Masyarakat Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/ji.v17i2.9975

Abstract

PT. Semen Padang, sebagai salah satu perusahaan semen terus berinovasi untuk meningkatkan kualitas produk dalam proses produksinya. Salah satu inovasi yang dikembangkan  yaitu alat pengering pozzolan akan digunakan untuk mengeringkan material pozzolan yang mengandung kadar air 18%. Tujuan utama untuk menghasilkan sistem pengering yang efisien, andal, dan sesuai dengan karakteristik material pozzolan yang digunakan di PT Semen Padang. Alat pengering pozzolan didesain menggunakan metode flash drayer dengan bantuan software solidworks yang mampu menyediakan sketsa 2D dan dapat di-upgrade menjadi bentuk 3D, serta juga bisa digambarkan dalam sebuah drawing. Spesifikasi alat pengeringan pozzolan yang dihasilkan panjang alat 2400 mm dan lebar casing 315 mm, massa material pozzolan 60 ton/jam kecepatan rantai yang dibutuhkan 0,03 m/sec dan massa pozzolan pada masing masing rantai scraper 1.333 kg. Alat ini mampu menghilangkan  massa air sampai 78 ton sehingga dapat mencapai 5% kadar air. Desain alat pengering pozzolan yang dirancang dapat mengatasi terjadi kerusakan dan penyumbatan di bagian penyaringan siklon atau filter nantinya.
Co-Authors Maimuzar Muchtar, Ridwan Nurwijayanti Silva Azaria Mahaputri Sukatik Yuli Yetri Zaini, Muhammad Fadhel