Application of large-scale honeycomb biofilter as pretreatment system to improve the quality of raw city water: Efficiency and economic analysis

IF 6.3 2区工程技术 Q1 ENGINEERING, CHEMICAL

Journal of water process engineering Pub Date : 2025-02-11 DOI:10.1016/j.jwpe.2025.107213

Nusa Idaman Said , Nicolaus Nezha Nunez Mahasti , Wahyu Widayat , Taty Hernaningsih , Satmoko Yudo , Devona Chandrawaty , Ayudia Mutiara Fani , Ahmad Shoiful , Nur Muhamad Fuad , Veny Luvita , Rudi Nugroho , Sandia Primeia , Ikbal , Arifudin , Yosep Widi Nugraha , Setiyono , Ardie Septian

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Abstract

Removal of natural organic contaminants using the biofilter technique is beneficial for raw city water treatment. Several studies have been conducted using various biofilters for organic contaminant biodegradation; however, a detailed study on honeycomb biofilters applied in large-scale water treatment plants (WTPs) in tropical seasons has never been reported. This study investigates the biofilm on the surface of fixed-in-place honeycomb biofilter to reduce chemical oxygen demand (COD), ammonia, and turbidity. The removal efficiency of COD, ammonia, and turbidity was satisfying at 52 %, 57.8 %, and 41.7 %, respectively, with the optimum hydraulic retention time (HRT) at 142 min and neutral pH. The increase in rain precipitation positively correlated with the COD and turbidity removals. However, the ammonia removal was negatively correlated with the increase in rain precipitation and turbidity. The operational cost of raw water treatment can be saved by controlling the use of chlorine for removing the excess ammonia at the loading between 250 kg/day and 415 kg/day. The result demonstrates the valuable potency of fixed-in-place honeycomb biofilter for raw city water treatment, attributed to its simplicity, low operational and maintenance cost, and high efficiency in removing natural organic contaminants.

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来源期刊

Journal of water process engineering Biochemistry, Genetics and Molecular Biology-Biotechnology

CiteScore

10.70

自引率

8.60%

发文量

846

审稿时长

24 days

期刊介绍： The Journal of Water Process Engineering aims to publish refereed, high-quality research papers with significant novelty and impact in all areas of the engineering of water and wastewater processing . Papers on advanced and novel treatment processes and technologies are particularly welcome. The Journal considers papers in areas such as nanotechnology and biotechnology applications in water, novel oxidation and separation processes, membrane processes (except those for desalination) , catalytic processes for the removal of water contaminants, sustainable processes, water reuse and recycling, water use and wastewater minimization, integrated/hybrid technology, process modeling of water treatment and novel treatment processes. Submissions on the subject of adsorbents, including standard measurements of adsorption kinetics and equilibrium will only be considered if there is a genuine case for novelty and contribution, for example highly novel, sustainable adsorbents and their use: papers on activated carbon-type materials derived from natural matter, or surfactant-modified clays and related minerals, would not fulfil this criterion. The Journal particularly welcomes contributions involving environmentally, economically and socially sustainable technology for water treatment, including those which are energy-efficient, with minimal or no chemical consumption, and capable of water recycling and reuse that minimizes the direct disposal of wastewater to the aquatic environment. Papers that describe novel ideas for solving issues related to water quality and availability are also welcome, as are those that show the transfer of techniques from other disciplines. The Journal will consider papers dealing with processes for various water matrices including drinking water (except desalination), domestic, urban and industrial wastewaters, in addition to their residues. It is expected that the journal will be of particular relevance to chemical and process engineers working in the field. The Journal welcomes Full Text papers, Short Communications, State-of-the-Art Reviews and Letters to Editors and Case Studies