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Characteristics and Applications of Sea Water Reverse Osmosis Reject Water of PT Cirebon Electric Power as Voltaic Cell Electrolyte and Salt Raw Material Dimas Agung Pramudikto; Satya Nugroho; Agik Dwika Putra; Ilham Satria Raditya Putra; Sigit Setyawan; Teguh Ariyanto
Eksergi Vol 19, No 2 (2022)
Publisher : Prodi Teknik Kimia, Fakultas Teknologi Industri, UPN "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/e.v19i2.5361

Abstract

Sea Water Reverse Osmosis (SWRO) reject water produced by PT Cirebon Electric Power has not been optimally utilized. In this research, a study of the characteristics of SWRO reject water was carried out to determine important properties such as turbidity, conductivity, pH and salinity. This characteristic is important as a basis for consideration of SWRO reject water applications. In addition, data were taken from a fairly long period of 5 years of SWRO operation (2016-2021) so that the consistency of the data can be known. The results showed that SWRO reject water had low turbidity (0.18±0.08 NTU), high conductivity of ca. 76.000 µS/cm, neutral pH and high salinity (4.6±0.3%). The study of the utilization of SWRO reject water was then carried out, namely as an electrolyte for salt water lamps and as raw material for making salt. The results showed that SWRO reject water can be used as an electrolyte for salt water lamps which produces a voltage potential up to 1.4 Volts (20% higher than seawater electrolyte). As a raw material for salt, the salt produced has excellent characteristics (eg 99% NaCl) and complies with SNI 3556:2016, except for the KIO3 content.
Negotiating Identity: The Cultural and Religious Significance of Rifa'iyah Batik for Women Sigit Setyawan; Titis Srimuda Pitana; Prasetyo Adi Wisnu Wibowo
IBDA` : Jurnal Kajian Islam dan Budaya Vol. 23 No. 1 (2025): IBDA': Jurnal Kajian Islam dan Budaya
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat, Universitas Islam Negeri Profesor Kiai Haji Saifuddin Zuhri Purwokerto Purwokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24090/ibda.v23i1.13973

Abstract

This study examines how the Rifa'iyah batik tradition becomes a conveyance for self-actualization for Rifa'iyah women in public spaces, focusing on negotiating women's identity in existing social constructions. Located in Kalipucang Wetan, Batang, Jawa Tengah Indonesia. This study uses a descriptive qualitative method with a post-structuralist feminist approach to reveal the dynamics of Rifa'iyah women's identity. Data were obtained through interviews with batik artisans and cultural observers, observations, and literature studies. The study results show that Rifa'iyah women can negotiate sociocultural structures through the batik tradition, changing society's perception of the role of women in the public sphere. They are not merely economic actors who contribute to family income but also agents of social change and cultural preservers. The gender identity of Rifa'iyah women is proven to be dynamic and continues to be formed through repeated actions and negotiations with prevailing norms. The implications of this study enrich cultural and gender studies, especially in understanding the interaction between gender, spirituality, and culture in shaping women's identity. This study also provides a new perspective on how women can utilize creative spaces to participate in the public sphere without violating the values ​​​​adopted by society. Research findings are relevant to women's empowerment efforts in traditional societies, showing that traditions can empower when interpreted and practised creatively.
Hubungan Obesitas pada Preeklamsia dengan APGAR Score Bayi di RSUD Dr.Moewardi Tahun 2024 Putri, Hanifa Fauzia Widya; Ridwan, Robert; Sigit Setyawan; Nutria Widya Purna Anggraini
Plexus Medical Journal Vol. 5 No. 2 (2026): April
Publisher : Fakultas Kedokteran, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/plexus.v5i2.3098

Abstract

Pendahuluan: Preeklamsia merupakan salah satu komplikasi kehamilan kompleks yang dapat berdampak terhadap kesehatan ibu dan bayi, ditandai dengan hipertensi yang disertai dengan gangguan organ pada atau setelah usia kehamilan 20 minggu. Obesitas diketahui berperan dalam patofisiologi preeklamsia dan dapat meningkatkan risiko luaran neonatus yang buruk, termasuk risiko APGAR score rendah. Penelitian ini bertujuan untuk menganalisis hubungan antara obesitas pada preeklamsia dengan APGAR score bayi. Metode: Penelitian ini menggunakan metode observasional analitik dengan pendekatan potong lintang (cross-sectional). Penelitian ini melibatkan 67 pasien yang diseleksi berdasarkan kriteria inklusi dan eksklusi yang telah ditetapkan. Data yang digunakan adalah rekam medis ibu hamil dengan diagnosis preeklamsia yang melakukan persalinan di RSUD Dr. Moewardi selama tahun 2024 dan data rekam medis bayi yang dilahirkan oleh ibu tersebut. Analisis data dilakukan dengan menggunakan uji chi-square dengan bantuan software SPSS. Hasil: Hasil analisis chi-square menunjukkan tidak terdapat hubungan yang signifikan antara obesitas pada preeklamsia dengan APGAR score bayi. Hal ini dibuktikan dengan p-value tercatat 0,172 (p>0,05) untuk obesitas pada preeklamsia dengan APGAR pada menit ke-1 dan p-value tercatat 0,170 (p>0,05) untuk obesitas pada preeklamsia dengan APGAR pada menit ke-5. Kesimpulan: Obesitas pada ibu hamil preeklamsia terbukti tidak berhubungan secara signifikan dengan APGAR score bayi.