Biogenic corrosion of cementitious composite in wastewater sewerage system–A review

A Anwar, X Liu, L Zhang - Process Safety and Environmental Protection, 2022 - Elsevier
Biogenic corrosion of concrete in wastewater systems is a severe and widespread global
problem, costing billions of dollars in annual maintenance and rehabilitation. Corrosion of …

[HTML][HTML] Microbiologically induced concrete corrosion: a concise review of assessment methods, effects, and corrosion-resistant coating materials

B Chaudhari, B Panda, B Šavija, S Chandra Paul - Materials, 2022 - mdpi.com
Microbiologically induced concrete corrosion (in wastewater pipes) occurs mainly because
of the diffusion of aggressive solutions and in situ production of sulfuric acid by …

Evaluating acid resistance of Portland cement, calcium aluminate cement, and calcium sulfoaluminate based cement using acid neutralisation

T Damion, P Chaunsali - Cement and Concrete Research, 2022 - Elsevier
Cementitious materials are alkaline in nature. As a result, they are prone to neutralisation
reaction by acids and possible deterioration. Among the existing binders, the acid resistance …

Corrosion investigation of fly ash based geopolymer mortar in natural sewer environment and sulphuric acid solution

HA Khan, A Castel, MSH Khan - Corrosion Science, 2020 - Elsevier
The objective of this research is to estimate the durability of low-calcium fly ash based
geopolymer mortar (FA-GPm) in comparison with sulphate resistant Portland cement mortars …

Modelling concrete deterioration in sewers using theory and field observations

T Wells, RE Melchers - Cement and Concrete Research, 2015 - Elsevier
Samples of new and 70 year old pre-corroded OPC concrete were exposed for up to 48
months in 6 sewers throughout Australia. Corrosion losses at each site followed the bi-linear …

Mechanisms of fat, oil and grease (FOG) deposit formation in sewer lines

X He, ML Leming, LO Dean, SE Lappi, JJ Ducoste - Water research, 2013 - Elsevier
FOG deposits in sewer systems have recently been shown to be metallic salts of fatty acids.
However, the fate and transport of FOG deposit reactant constituents and the complex …

An observation-based model for corrosion of concrete sewers under aggressive conditions

T Wells, RE Melchers - Cement and Concrete Research, 2014 - Elsevier
Abstract Development of rational mathematical models for prediction of the likely present
and future internal corrosion of reinforced concrete sewers requires understanding of the …

Evidence for fat, oil, and grease (FOG) deposit formation mechanisms in sewer lines

X He, M Iasmin, LO Dean, SE Lappi… - … science & technology, 2011 - ACS Publications
The presence of hardened and insoluble fats, oil, and grease (FOG) deposits in sewer lines
is a major cause of line blockages leading to sanitary sewer overflows (SSOs). Despite the …

Deterioration of alkali-activated mortars exposed to natural aggressive sewer environment

HA Khan, MSH Khan, A Castel, J Sunarho - Construction and Building …, 2018 - Elsevier
This study aims to evaluate the performance of low calcium fly ash based geopolymer (FA-
GPm) and alkali-activated slag based mortars (AASm) in an aggressive sewer environment …

Biogenic acid resistance of calcium sulfoaluminate cement: revelations from a field study

T Damion, P Chaunsali - Cement and Concrete Composites, 2024 - Elsevier
Biogenic acid attack of concrete is prevalent in sewers, posing a serious durability concern
and financial burden. There are very limited number of field studies on durability of concrete …