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Hendriyana
Universitas Jenderal Achmad Yani
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Teknologi Tepat Guna Pembuatan Sabun Cuci Piring untuk Skala Home Industri Hendriyana
Jurnal Teknik: Media Pengembangan Ilmu dan Aplikasi Teknik Vol 7 No 1 (2008): Jurnal Teknik - Media Pengembangan Ilmu dan Aplikasi Teknik
Publisher : Fakultas Teknik - Universitas Jenderal Achmad Yani

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26874/jt.vol7no1.277

Abstract

Kebersihan merupakan salah satu faktor penting bagi kesehatan masyarakat. Untuk menjaga kebersihan badan, pakaian, tempat tinggal serta tempat umum dibutuhkan produk pembersih yang dapat diandalkan. Ibu rumah tangga, rumah sakit, sarana umum lain hingga hotel berbintang lima pasti menjadikan produk yang satu ini sebagai bagian kehidupan sehari-hari untuk mencuci pakaian maupun peralatan rumah tangga. Untuk pemenuhan kebutuhan masyarakat tersebut di atas, maka perlu rasanya bagi saya untuk melakukan penelitian formulasi salah satu sabun cuci piring cair, sehingga diharapkan minimalnya pembaca dapat memenuhi kebutuhan pembersihnya dengan cara membuat sendiri dan lebih jauhnya dapat berbisnis sabun cuci piring cair tersebut dengan skala home industri. Dari penelitian ini didapatkan hasil produk yang belum memenuhi spesifikasi standar, namun paling tidak formula-IIl hampir mendekati spesifikasi standar. Untuk didapatkan formula yang memenuhi spesifikasi standar harus dilakukan peneletian lebih lanjut dengan mengatur komposisi campuran.
Henry's Constants Prediction Study of VOC in Several Types Solvents by UNIFAC-FV Hendriyana
Jurnal Teknik: Media Pengembangan Ilmu dan Aplikasi Teknik Vol 9 No 2 (2010): Jurnal Teknik - Media Pengembangan Ilmu dan Aplikasi Teknik
Publisher : Fakultas Teknik - Universitas Jenderal Achmad Yani

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26874/jt.vol9no2.318

Abstract

Absorption of hydrophobic volatile organic compounds (VOC) such as toluene, was studied. In order to characterise the absorption capacity of toluene/oil solvent systems, the Henry's constant (H) was determined. Prediction of Henry's constants are also carried out using UNIFAC-FV model which is known to be suitable for hydrocarbon gases and high-boiling point hydrocarbon solvent.kg/cm2, 220 kg/cm2 dan 260 kg/cm2.
Prototype of an ESP32-Based Internet of Things Trash Vessel with Integrated Solar Cell Charging Handoko Rusiana Iskandar; Hendriyana; Fadillah Arianto; Firman Ramdhani Putra; Lisman Khosiban; Ibnu Supriatna; M. Ansel Wardana
Jurnal Teknologi Vol. 18 No. 2 (2026): Jurnal Teknologi
Publisher : Faculty of Engineering Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/jurtek.18.2.149-164

Abstract

The global issue of increasing amounts of waste in water areas has been very detrimental to the environment and has become a serious concern due to its impacts, especially on water quality, which can disrupt aquatic ecosystems and cause public health problems. Current conventional cleaning methods still rely on manual labor, which is time-consuming and inefficient. This study proposes a solar cell-based and Internet of Things (IoT)-enabled waste transport vessel and utilizes sensors in its design. This prototype was built using an ESP32 microcontroller as the main control unit, two HC-SR04 ultrasonic sensors for waste detection and container level monitoring, servo-based waste pickup, and a DC motor-driven conveyor. Remote monitoring and supervision are implemented through the Blynk IoT platform, enabling actual and real-time system observation. The prototype was built and evaluated, showing an average response time of 4.0–5.2 seconds across various types of waste samples; sensor calibration yielded good linearity (R² = 0.9987) and an average distance error of only 2.08 mm. Stable buoyancy testing where the prototype was able to hold a total mass of 1.73 kg. The solar cell successfully charged a parallel Li-ion 18650 battery bank from 3.40 V to 3.75 V over a period of 5 hours, resulting in a near-neutral daily energy output (~3.43 Wh consumption vs. ~3.38 Wh generation). IoT telemetry successfully monitors and stores data in the cloud efficiently. These results enhance operational reliability, energy efficiency, and control systems that benefit the environment, making this technology a promising solution for sustainability and addressing environmental issues, particularly in aquatic environments. Further research is expected to focus on real-world, dynamic field applications by integrating multi-sensor data and waste classification.
Co-Authors Fadillah Arianto Firman Ramdhani Putra Handoko Rusiana Iskandar Ibnu Supriatna Lisman Khosiban M. Ansel Wardana