Published: Aug 25, 2025

Articles

Engineering and Application of Fe-TiO2/MOR Zeolite Photocatalysts for the Photodegradation of Methylene Blue Dye Waste

10.22487/kovalen.2025.v11.i1.17427
1-11 Liqanatul Putri Sholikah, Sumari Sumari, Suryani Indah Permatasari
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Read Statistic: 139

Comparative Estimation of Some Contaminates in Products of Drinking Water Companies and Government Stations in the City of Mosul

10.22487/kovalen.2025.v11.i1.17787
12-24 Aws Maseer Nejres
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Read Statistic: 106

Evaluation of Antioxidant Activity of Branch Extract from Pouteria campechiana (Sawo Walanda)

10.22487/kovalen.2025.v11.i1.17792
25-34 Nirmala Puteri Batari, Adi Setyo Purnomo, Winda Seviani
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Read Statistic: 80

Speciation and Bioavailability of Heavy Metals Pb and Cd in Palu Bay Sediments after the Earthquake and Tsunami

10.22487/kovalen.2025.v11.i1.17671
35-42 Husain Sosidi, Khairuddin, Ruslan, Rahma Lolita Abustiana, Aksar Ramli, Erwin Abdul Rahim
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Read Statistic: 70

Purification of Crude Glycerol Using Regenerated Spent Bleaching Earth as Palm Oil Refinery Process

10.22487/kovalen.2025.v11.i1.17785
43-53 Sry Wahyuni, Dinda Rizka Fadhillah
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Read Statistic: 77