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All Journal Jurnal Penelitian Rumpun Ilmu Teknik Serambi Engineering
Pedro Caesariano
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Computer Science & IT Earth & Planetary Sciences Energy Engineering Environmental Science Industrial & Manufacturing Engineering

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Analisis Kualitas Air di Daerah Aliran Sungai Welang Rejoso pada Musim Kemarau dan Musim Hujan Pedro Caesariano; Munawar Ali
Jurnal Penelitian Rumpun Ilmu Teknik Vol. 3 No. 2 (2024): Mei : Jurnal Penelitian Rumpun Ilmu Teknik
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/juprit.v3i2.3731

Abstract

This study discusses topics related to water quality, fecal coliforms, total coliforms, and the comparison of the dry season and the rainy season. Apart from that, other journals discuss water quality analysis in the Welang Rejoso River Basin during the dry season and rainy season. This research aims to determine the level of river water pollution and compare it with water quality standards. The research method uses secondary data and sampling is carried out at 10 location points. The analysis results show several water parameters that exceed class III river water quality standards. It is hoped that the results of this research will help in more effective management and preservation of the river environment, with policy recommendations that need to be implemented to overcome water quality problems in the river.
Pemanfaatan Limbah Tambak Garam Sebagai Koagulan Bittern Untuk Menurunkan Parameter Kekeruhan Pada Limbah Tahu Pedro Caesariano; Muhammad Abdus Salam Jawwad
Jurnal Serambi Engineering Vol. 10 No. 4 (2025): Oktober 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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

Abstract

The tofu industry produces wastewater with high turbidity, requiring treatment before being discharged into the environment. This study aims to utilize bittern, a byproduct of salt pond production, as an environmentally friendly alternative coagulant to reduce turbidity in tofu wastewater. Bittern was activated using three types of strong bases Ca(OH)₂, KOH, and NaOH with dosage variations of 40,50,60 mL and concentrations of 4%,6%,8%. The results showed that all activators enhanced the coagulation performance of bittern, with varying effectiveness under each treatment. NaOH provided the best result at a dosage of 50 mL and a concentration of 4%, achieving a turbidity removal efficiency of 95%. KOH reached optimal performance at 50 mL and 6%, with a turbidity removal efficiency of 93%, while Ca(OH)₂ achieved 85% efficiency at 50 mL and 6%. Overall, this study demonstrates that NaOH-activated bittern is an effective alternative coagulant with potential for sustainable application in tofu wastewater treatment.
Co-Authors Ali, Munawar Muhammad Abdus Salam Jawwad