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All Journal TOFEDU: The Future of Education Journal
Mukhnizar Mukhnizar
Universitas Ekasakti, Padang, Indonesia
Education Languange, Linguistic, Communication & Media Mathematics Other

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Analysis of the Causes of Damage to the Poly Aluminium Chloride (PAC) Dosing Pump for Maintenance Actions at the Palukahan Water Treatment Plant (IPA), Perumda Air Minum Kota Padang Hal Haviz; Risal Abu; Mukhnizar Mukhnizar
The Future of Education Journal Vol 5 No 3 (2026)
Publisher : Lembaga Penerbitan dan Publikasi Ilmiah Yayasan Pendidikan Tumpuan Bangsa

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Abstract

The increasing demand for clean water in Padang City requires optimal performance of water treatment plants (WTPs), including the Palukahan Water Treatment Plant. In the water treatment process, Poly Aluminium Chloride (PAC) solution is used as a coagulant and injected through a dosing pump. The reliability of the dosing pump is crucial for ensuring that the quality of treated water complies with the standards stipulated in Indonesian Ministry of Health Regulation No. 2 of 2023. However, failures in the dosing pump can disrupt the coagulation process and reduce water treatment efficiency. This study aims to analyze the causes of dosing pump failures and provide recommendations for appropriate maintenance actions. The recommended maintenance strategies include periodic preventive maintenance, corrective maintenance in response to operational anomalies, and regular evaluation of pump performance parameters. This study is expected to serve as a technical reference for Perumda Air Minum Kota Padang in improving the reliability of the dosing system and maintaining the quality of clean water services for the community.
Design of a Centrifugal Pump with a Capacity of 50 Liters per Second, a Head of 35 m, and a Rotational Speed of 1,550 rpm Apri Muhtadi; Mukhnizar Mukhnizar; Risal Abu
The Future of Education Journal Vol 5 No 3 (2026)
Publisher : Lembaga Penerbitan dan Publikasi Ilmiah Yayasan Pendidikan Tumpuan Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61445/tofedu.v5i3.2285

Abstract

A pump is a type of fluid machinery used to transfer fluids from one location to a higher elevation or to a location with higher pressure. It is an energy-conversion machine that converts mechanical energy in the form of rotational motion into fluid energy in the form of pressure and velocity. Understanding pump characteristics is essential for selecting a pump that meets the required operating conditions, particularly in terms of flow capacity, head, and operational efficiency. The centrifugal pump in this study was designed with a flow capacity of 50 liters per second, a head of 35 m, and a rotational speed of 1,550 rpm. Based on the design results, the pump to be redesigned is a single-stage centrifugal pump equipped with an open radial impeller, a pump head of 50 m, and a pump power requirement of 75 kW. The design process involved comprehensive calculations, including pump head, number of stages, impeller dimensions, supporting components, efficiency, and pump characteristics. The pump is driven by an AC electric motor with a voltage of 380 V and a rotational speed/frequency of approximately 3,000 rpm/50 Hz. Thus, the production unit is expected to operate continuously, enabling the treated clean water to be distributed to the community in accordance with the specifications and performance requirements of the pump.
Co-Authors Apri Muhtadi Hal Haviz Risal Abu