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All Journal Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Jurnal Ilmiah Wahana Pendidikan
Kardo Kardo
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Pre-Treatment Air Payau Dengan Koagulan Tepung Jagung Dan Filtrasi Dengan Membran Ultrafiltrasi Sistem Aliran Crossflow Kardo Kardo; Syarfi Daud; Shinta Elystia
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 4, No 1 (2017): Wisuda Februari Tahun 2017
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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The coastal area are poor raw water eligible to be used as a standard raw water based on PERMENKES No. 492/210 and PP No. 82/2001. This area typically used brackish water daily needs. Due to the presence of sea water intrussion in to wells. The brackish water are not suitable to be use continue. It therefore reguirestreatment to get suitable water. Pre-treatment of brackish water with contrarch as coagulant and filtration membrane as alternative technology to be developed in water treatment. This research aims to be knowing the influence of coagulant dose variation, the transmembrane flux and rejction against of salinity, turbidity,COD, TSS, and pH. This result are showing the best reduction of pre-treatment process in 50 ppm therefore efectivity each other are salinity 23,61%, turbidity 43,64%, COD 83,58%, TSS 98,03%, and pH 12,05%. The filtration with membrane each parameter are salinity 89,09%, turbidity 88,94%, COD 58%, TSS 85,71 and pH 27,10%. Flux value obtained pressure is 1,5 bar that is 276,506l/m2.jam.Keywords: Brackish Water, COD (Chemical Oxygent Demand), Corn Starch, Pre-treatment, Ultrafiltration Membrane, Salinity, TSS (Total Suspended Solid), Turbidity
ANALISIS DETERMINAN INDEKS PEMBANGUNAN MANUSIA KABUPATEN/KOTA DI PROVINSI KALIMANTAN TENGAH Desi Rita Sari; Dicky Perwira Ompusunggu; Ermawati Ermawati; Kardo Kardo; Merihtya Adelina Br Ginting; Micka Himart; Putri Naysila Rahayu; Saturina Maya Dewi
Jurnal Ilmiah Wahana Pendidikan Vol 12 No 6.D (2026): Jurnal Ilmiah Wahana Pendidikan
Publisher : Peneliti.net

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Penelitian ini dimaksudkan untuk meneliti dampak partisipasi angkatan kerja, persentase penduduk miskin, dan indeks pemberdayaan gender terhadap IPM (Indeks Pembangunan Manusia) di 14 kabupaten/kota Provinsi Kalimantan Tengah pada periode 2019–2023. Pendekatan yang diterapkan ialah regresi data panel melalui model Fixed Effect, yang dipilih sesuai hasil Uji Hausman dan Chow. Temuan penelitian mengungkapkan bahwa partisipasi angkatan kerja serta penduduk miskin memberikan pengaruh negatif yang bermakna terhadap IPM, sedangkan indeks pemberdayaan gender menunjukkan dampak positif yang signifikan. Secara bersamaan, ketiga variabel ini memberi kontribusi yang signifikan pada IPM. Kesimpulan ini menyoroti perlunya upaya mengurangi kemiskinan, meningkatkan mutu tenaga kerja, dan memperkuat pemberdayaan gender guna mendukung pertumbuhan IPM yang berkelanjutan di Provinsi Kalimantan Tengah.
Co-Authors Desi Rita Sari Dicky Perwira Ompusunggu Ermawati Ermawati Merihtya Adelina Br Ginting Micka Himart Putri Naysila Rahayu Saturina Maya Dewi Shinta Elystia Syarfi Daud