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All Journal Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Indonesian Journal of Chemistry Jurnal Sains dan Aplikasi Keilmuan Teknik Industri Molekul: Jurnal Ilmiah Kimia
Filardli, Abdullah Malik Islam
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Transportation

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Synthesis of Printed Hollow Fiber Membranes Urea as a Membrane Candidate Hemodialysis Djunaidi, Muhammad Cholid; Ayuningrum, Denandha Putri; Maharani, Nesti Dwi; Khabibi, Khabibi; Pardoyo, Pardoyo; Raharjo, Yanuardi; Susanto, Heru; Filardli, Abdullah Malik Islam
Indonesian Journal of Chemistry Vol 24, No 6 (2024)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijc.83068

Abstract

Chronic kidney failure is a disease that affects the world's population and an alternative solution is hemodialysis. Hemodialysis is the process of cleaning the blood from urea and creatinine through a semi-permeable membrane in the form of a hollow fiber membrane (HFM) with the following advantages: flexible and low energy requirements. The weaknesses of commercial hemodialysis membranes are that they are hydrophobic, chemical resistant, and low biocompatibility. This research uses a membrane of polysulfone combined with eugenol and polyethylene glycol (PEG) or polyethylene glycol diglycidyl ether (PEGDE). Eugenol has allyl, hydroxy, and methoxy groups which are derived from polyeugenol via allyl groups and from polyeugenol to polyeugenoxy acetic acid via hydroxyl groups. The resulting molecularly imprinted membrane (MIM) in the form of hollow fiber has better porosity, absorption, flux values and is highly selective in transport, with the order of selectivity, namely urea > creatinine > vitamin B12.
An Overview of the Utilization of PET Plastic Bottle Waste for Membrane Fabrication Istirokhatun, Titik; Siahaan, Samuel Ezra; Gonzales, Ralph Rolly; Andarani, Pertiwi; Susanto, Heru; Filardli, Abdullah Malik Islam
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 22, No 1 (2025): March 2025
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v22i1.15-37

Abstract

Plastic use, in this case including plastic drinking water bottles particularly polyethylene terephthalate (PET) has resulted in significant environmental, social, economic, and health repercussions. It will ultimately be deposited in landfills, requiring up to 1,000 years for each individual bottle to degrade. This review begins by briefly introducing the composition and characteristics of PET. It then details the methods for converting waste PET into valuable materials for diverse applications. The review emphasizes advanced uses of these materials in water treatment, highlighting the development of robust, organic solvent-resistant membranes. The primary aim of this review is to evaluate recent studies of PET bottle recycling to membrane technologies, membrane fabrication from PET waste, applications of PET-based membranes, advantages and challenges of using PET waste for membrane fabrication.
Eco-friendly Corrosion Inhibitor Coatings Based on Plant Waste Extracts: A Comparative Study of Tea Waste and Orange Peel Filardli, Abdullah Malik Islam; Fadilah, Muhammad Zidan; Syahrizal, Muhammad Isyar; Rahmawati, Mafniatul; Febriani, Anisa Dwi; Adhilisty, Clarissa Mayla; Pratiwi, Latifah Indah; Salsabila, Ulfa Mazroatus; Setiawan, Naufal Dafa Akbar; Syahputra, Muhammad Rakha; Ghani, Afzaal Zaydan
Jurnal Sains dan Aplikasi Keilmuan Teknik Industri (SAKTI) Vol. 5 No. 1 (2025): June 2025
Publisher : Teknik Industri Universitas Ma Chung

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

This study seeks to assess the efficacy of plant-based waste extracts, namely orange peel extract and tea waste extract, as natural corrosion inhibitors for mild steel submerged in a 3.5% NaCl solution. The methodology adhered to ASTM G31 standards, employing mild steel specimens coated with each extract using three application techniques: brushing, immersion, and spraying. The weight loss method was used to measure corrosion rates (Mmpy), enabling the calculation of inhibition efficiency (IE%) for each specimen. The uncoated control specimen consistently exhibited the highest corrosion rate (3.4523 Mmpy), categorized as "Poor." Specimens treated with orange peel extract showed significantly lower corrosion rates, with the brushing method yielding an inhibition efficiency of 98.7%, categorized as "Excellent." Likewise, specimens coated with tea waste extract demonstrated remarkable inhibition, with the brushing and immersion techniques achieving efficiencies of 98.9% and 97.7%, respectively. These results indicate that both orange peel and tea waste extracts serve as promising, eco-friendly alternatives for corrosion protection of mild steel, with their effectiveness significantly influenced by the method of application.
The Desalination of Seawater from Jepara Beach uses Hollow Fiber Imprinted Membrane-Based Eugenol Djunaidi, Muhammad Cholid; Maharani, Nesti Dwi; Khabibi, Khabibi; Susanto, Heru; Filardli, Abdullah Malik Islam
Molekul Vol 20 No 1 (2025)
Publisher : Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jm.2025.20.1.7836

Abstract

ABSTRACT. In 2022, Indonesia will experience a major problem with clean water, almost 119 million people do not have access to clean water and are forced to consume unsuitable water. This problem is caused by poor water management and the high cost of separating using a reverse osmosis membrane. The abundance of seawater in Indonesia and Jepara in particular has encouraged researchers to create alternative desalination membranes that are efficient and selective using Hollow Fiber Desalination Imprinted Membranes (HFDIM), which are available on the market with better quality. Hollow Fiber uses an imprinted method that has good efficiency and selectivity. The variations used in this research were variations in seawater dilution concentration of 0, 3, 5, and 10 times. In tensile, biodegradable, contact angle, TGA, porosity, water absorption, flux, and transport tests, the best results were obtained using HFDIM at varying concentrations of 10 times dilution solutions with a percentage of 86.67% in the receiving phase and 10.89% in the feed phase. on HFDNIM it is 48.33% in the receiving phase and in the feed phase it is 50%. Keywords: Desalination, hollow fiber, imprinted, polyeugenol
Co-Authors Adhilisty, Clarissa Mayla Ayuningrum, Denandha Putri Fadilah, Muhammad Zidan Febriani, Anisa Dwi Ghani, Afzaal Zaydan Gonzales, Ralph Rolly Heru Susanto khabibi Khabibi Maharani, Nesti Dwi Muhammad Cholid Djunaidi Pardoyo Pardoyo Pertiwi Andarani Pratiwi, Latifah Indah Rahmawati, Mafniatul Salsabila, Ulfa Mazroatus Setiawan, Naufal Dafa Akbar Siahaan, Samuel Ezra Syahputra, Muhammad Rakha Syahrizal, Muhammad Isyar Titik Istirokhatun Yanuardi Raharjo, Yanuardi