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Muldiani, Ratu Fenny
Politeknik Negeri Bandung
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Centrifugal Pump Design with Capacity 50.6 L/Min for Water Utilization From Steam Trap As Boiler Feed Water Hesti Sekar Sari; Ratu Fenny Muldiani; Sri Wuryanti
Journal of Green Science and Technology Vol 7 No 3 (2023): Journal of Green Science and Technology Vol.7 No.3 Special Edition : Applied scie
Publisher : Faculty of Engineering, Universitas Swadaya Gunung Jati

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33603/jgst.v7i3.81

Abstract

Condensate water is the result of condensing steam which has decreased in temperature and pressure due to losses from the environment. Steam trap used to separate water or dew from steam resulting from a decrease in temperature. This condensate water has a temperature of 50°C. Based on the results of condensate water testing from steam trap it has permissible criteria for boiler feed. In the existing conditions, the boiler feed water requirement is 500 liters/hour with a temperature of 25°C, while the water produced from steam trap of 230 liters/hour so that to be able to meet the needs of boiler feed water, a pump designed with a capacity of 50.6 liters/minute is needed. The purpose of this research is to design a pump to utilize steam trap water as boiler feed water. Materials are selected according to requirements and standards. Condensate water from the steam trap becomes the initial parameter for calculating Head, NPSH, Impeller Diameter, and Shaft Diameter. NPSH available must be greater than NPSH request to prevent pump cavitation, which can cause damage or loss. Based on the calculations, the NPSH req value is smaller than the NPSH available, which is 4.62 m < 11.48 m. The total head is 7.97 meters, and the number of blades is 7. The design dimensions obtained are the impeller inner diameter of 29.47 mm, outer diameter of 72.58 mm, shaft diameter of 6 mm, casing diameter of 76.215 mm.
POTRET BANK SAMPAH CEMPAKA 2 SEBAGAI MEDIA PENINGKATAN PERAN SERTA MASYARAKAT CIWARUGA DALAM PENGELOLAAN SAMPAH Ratu Fenny Muldiani; Yanti Suprianti; Sri Widarti; Defrianto Pratama; Nita Henita Koesoemah; Farida Agoes; Sri Nur Yuliyawati
Jurnal Pengabdian Masyarakat Bumi Rafflesia Vol. 5 No. 3 (2022): Jurnal Pengabdian Kepada Masyarakat Bumi Raflesia
Publisher : Universitas Muhammadiyah Bengkulu

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Abstract

Kurangnya peran serta warga atau masyarakat RW 02 Ciwaruga, Kabupaten Bandung Barat dalam pengelolaan sampah walaupun telah memiliki Bank Sampah Cempaka 2, yang dibentuk sejak tahun 2016. Metode pelaksanaan kegiatan PKM ini  disesuaikan  dengan  kondisi dan waktu kegiatan Bank Sampah dengan langkah-langkah melakukan kunjungan dan diskusi dengan kader penggiat bank sampah, memotret dan mensosialisasikan tingkat keberhasilan bank sampah dilihat dari manfaat secara sosial dan ekonomi, serta merumuskan penyuluhan dan mempersiapkan berbagai media sosialisasi. Perilaku memilah sampah berpotensi untuk ditumbuhkan sebagai gerakan massal dan adanya Bank Sampah, secara ekonomi, sangat membantu dalam menciptakan pekerjaan dan menambah penghasilan masyarakat RW 02 Ciwaruga. Kata Kunci: Bank Sampah, Dampak Sosial, Ekonomi, Memilah Sampah  
Co-Authors Adistia Prajani Agoes, Farida Alisa Gandini Suganda Amalia Zia Salma Anny Suryani Ari Marlina ASTI DESI FITRIYANI Bevi Lidya Budi Suharto Chatarina Umbul Wahyuni Defrianto Pratama Eliana, Bella Euis Sartika Fadhila, Nisya Fitri Farida Agoes Farida Agoes GANTINA, TINA MULYA H., Kunlestiowati Hadiningrum, Kunlestiowati Hesti Sekar Sari I Gede Rasagama Ijlal Syaifullah Koesoemah, Nita Hernita Kunlestiawati Kunlestiawati Kunlestiowati Handinigrun Lusiani, Anie M., Bambang P. M., Ignatius R. M., Wahyu B. Mutiarani, Rizky Nani Yuningsih Nani Yuningsih, Nani Neneng Nuryati nita henita koesoemah Nita Henita Koesoemah PUDIN, APIP Purwaningsih, S.S. Riniati Salsabila Gina Nursyfa Sapto Prajogo Siti S Purwaningsih Siti Samsiyah Purwaningsih Siti Samsiyah Purwaningsih SITI SAODAH Siti Syamsiah Purwaningsih Sri Nur Yuliyawati Sri Nuryuliyawati Sri Suratmi Sri Suratmi Sri Utami Sri Widarti Sri Widarti Sri Wuryanti Sri Wuryanti Sri Wuryanti Teguh Sasono Tri Wibianto Widiastuti, Endang YANTI SUPRIANTI, YANTI Yuliyani, Ika