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Rahmayanti
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Journal : Journal Of Chemical Process Engineering

 1 
The The Effect of Seawater Use and Solution Composition on the Quality of Blackening Results Purnama Sari, Dewi; Razzaq, Khazainnur; Ikhwan, Ris Muhammad Noval; Rahmayanti; Kamaludin; Pradana Putra, Eriek Aristya; Larasati, Tantra Diwa
Journal of Chemical Process Engineering Vol. 9 No. 3 (2024): Special Issue
Publisher : Fakultas Teknologi Industri - Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33096/jcpe.v9i3.1566

Abstract

The study of the use of seawater and the composition of blackening solutions on the quality of blackening results is essential in increasing the efficiency of raw materials and finding an adequate formulation in the blackening process. Blackening is a black oxide coating process that aims to increase metal resistance to corrosion and wear. This study uses seawater as a solvent with blackening solution raw materials consisting of NaOH and oxidizers with varying compositions. The parameters for testing the quality of blackening results include color testing using the visual matching method, image color picker application, and corrosion resistance testing using the weight loss method. The study results showed that seawater can be used as a solvent in making blackening solutions by providing a somewhat contrasting black color and slower corrosion rate compared to solutions without seawater. NaOH with a percentage of 50%, 70%, and 80% in the corrosion test showed an increase in corrosion resistance of 10%, 30%, and 40%, respectively, after immersion for 30 minutes at a temperature of 150°C. The resulting blackening process not only provides aesthetic value through black coating but also increases protection against material surface degradation. This research is expected to provide an alternative formulation of a blackening solution that is more environmentally friendly and economically efficient, mainly by utilizing seawater as a solvent. In addition, these results are expected to be the basis for further development in blackening applications on various materials for industrial needs.
Co-Authors Abdul Haliq, Abdul Abigail Dwi Puspita Napitupulu Ade Ira Octa Femi Agustini Ahmad Al Faruqy Al Ansari Alexander Malau alfriz hutabarat Aliifa Nazlizasandi Allen, Jansen Alza Hamonangan Pasaribu Amalia, Ananda Andi Sukmawati Assaad, Andi Sukmawati Andika, Pratama Andry Syafrizal Tanjung Astrialusiana Buulolo Audina, Karina Azizah, Rafika Briski Viktor H. Sinaga Bukit, Octa Shela Karlin Chairuni Nasution Cindy Aulia Rahmadina Damanik, Rudy Darmawati Derta Simbolon Deskia Renata Br. Sitorus Desthiani, Unik Dewi Purnama Sari Dewi Suryati Edgardo Williamson Edi Hidayat Edwin Syahrizal Pohan Eka Fitri Lestari Fadillah Aditya Pratama Ferdinand Sembiring Firman Halawa Haka Hasbiyah, Desi Hasibuan, Lidya Rahmadhani Hijja, Nurul Ikhwan, Ris Muhammad Noval Irni Cahyani Irwana Wahab, Irwana Ismaidar I, Ismaidar Iswahyudi JUMADDIL HAIR JUSTIADI Kalih Trumansyahjaya Kamaludin Karolus Agung Dery Rianto Kevin Fernando Yuliardin Khaerudin Imawan Laia, Hepi Krisman Larasati, Tantra Diwa Liana, Nora Lume Hetty Alphani Simbolon Makmur, Adil Manahap Cerarius Mardiati, Nurul Mardiati Masitah Pohan Meliani, Yurfida Muhammad Arif Sahlepi Muhammad Hatta Mulyani, Novia Sari Mulyawati, Yayu Mus Mulyadi Mutmainnah, Nur Nadila Natasya, Ananda Ulya Netty BR. Siahaan Novalina Br Kembaren Nst, Siti Ellyza Sari Nurhikmah Patangkin, Imelda Pradana Putra, Eriek Aristya Putra, Eriek Aristya Pradana Putri, Afika Sari Ramadhan, Rifal Ratna Widyaningrum Razzaq, Khazainnur Redyanto Sidi Rifki Mulia Riskawati Rizal Efendi Harahap Robby Yusuf Syahputra Rusli Salam, Reski Amalia Sapar Sihombing, Mula Silistiawati, Ira Sinaga, Rahmah Hayati Siregar, Burhanuddin Siti Hadijah Siti Khumayah Siti Maisyaroh Bakti P Sri Utaminingsih Sudarsono Sudaryanto Sulistyowati, Annisa Sumarno Suwandi syafriyani, Syafriyani Tampubolon, Luna Lidya Toga Adi Putra Sinaga Umi Indah Hazrina Utreck Ricardo Vinna Muchlisina, Ajeng Viona Shafa Auliya Wahyu Rahmatica Wahyu Saputra Wildan Fahriza William Ramdhan Wily Novan Prakoso Wingcun, Wingcun Yasmira Mandasari Saragih Yasmirah Mandasari Saragih Yunita Ramadhani Panjaitan Yunita, Marwah Yurizka Sri Nanda Yusdianto