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All Journal Jurnal Berdaya Mandiri Advance Sustainable Science, Engineering and Technology (ASSET)
ADITYA DIMAS WAHYU SASONGKO
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PEMANFAATAN MESIN FEEDER SEBAGAI INOVASI EFISIENSI PROSES PEWARNAAN BATIK DALAM UPAYA PENINGKATAN KUALITAS PRODUK Sunarjo, Wenti Ayu; Dwi Edi Wibowo; Nur Baiti Nasution; Nauval Rabbani; Aditya Dimas Wahyu Sasongko; Mukhamad Adzar; Evi Latifah; Rachmawati; Mulyanto; Ubaidillah; Sarah Rum Handayani; Siti Nurlaela
Jurnal Berdaya Mandiri Vol. 6 No. 3 (2024): JURNAL BERDAYA MANDIRI (JBM)
Publisher : Universitas PGRI Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31316/jbm.v6i3.6784

Abstract

Batik is a product that has become Indonesia's cultural identity. As a batik city, Pekalongan continues to strive to improve the quality of batik products so that Indonesian batik does not become extinct. One of the things that makes batik attractive is its motifs and colors. Through its appeal, batik will increasingly exist and become global. In line with the problems that exist in the batik industry, namely the problem of production time efficiency, this community service aims to provide solutions to problems in the batik industry in order to save or reduce production time, especially in the batik industry. color dyeing stage, while maintaining the quality of the batik. The dyeing process carried out by the batik industry which is the activity partner, namely Perkumpulan Kampoeng Batik Kauman and Kampung Wisata Batik Pesindon, still uses traditional dyeing techniques, so that through a batik dyeing machine solution called a feeder machine, the batik production process at the dyeing stage can be made easier. The results of this service activity were achieved with evidence of a success rate based on evaluation results reaching 87.4% as a dyeing tool innovation that had an impact on efficiency and with a color dyeing printing time of around 20-30 minutes on one 2x1m sheet of paper. cloth. Furthermore, the results of using the feeder machine are visible in the even coloring results and the batik wax does not break. This means that apart from being an efficiency solution, the feeder machine also improves the quality of batik.
Kinetic and Equilibrium Study of Synthetic Dye Adsorption Using Alkali-Activated Scallop Shells as Sustainable Adsorbents Muhammad Naoval Haris; Aditya Dimas Wahyu Sasongko; Farchan Mushaf Al Ramadhani
Advance Sustainable Science Engineering and Technology Vol. 7 No. 2 (2025): February-April
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/2nbjnr75

Abstract

Scallop shells are abundant in Indonesia, particularly along the northern coast of Java Island in Pekalongan Regency. These shells serve as natural adsorbents for removing synthetic textile dyes from aqueous solutions due to their high mineral content, especially calcium carbonate. Adsorption experiments were conducted to evaluate the potential of scallop shells as adsorbents for removing vat dye solutions. Adsorption kinetics were analyzed using pseudo-first-order and pseudo-second-order models in both linear and non-linear forms. The results showed that the non-linear pseudo-first-order model best described the adsorption process, with a qe value of 0.98982 mg/g. Equilibrium studies using Langmuir, Freundlich, and Jovanovic isotherm models indicated that the linear Freundlich model provided the best fit, with an R² of 0.99969, suggesting a heterogeneous adsorption process. These findings confirm that scallop shells are effective and eco-friendly adsorbents for textile dye removal and hold promise for sustainable water treatment. Further studies are suggested under real industrial conditions.
Co-Authors Dwi Edi Wibowo Evi Latifah Farchan Mushaf Al Ramadhani Muhammad Naoval Haris Mukhamad Adzar Mulyanto Nasution, Nur Baiti Nauval Rabbani Rachmawati Sarah Rum Handayani Siti Nurlaela Ubaidillah Wenti Ayu Sunarjo