Critical review of adsorption and biodegradation mechanisms for removal of biogenic taste and odour compounds in granular and biological activated carbon contactors

Paulino, Rafael; Tamburic, Bojan; Stuetz, Richard M.; Zamyadi, Arash; Crosbie, Nicholas D.; Henderson, Rita K.

doi:10.1016/j.jwpe.2023.103518

Cited by 13 publications

(2 citation statements)

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“…Activated carbon adsorption is the most widely studied method for T&O compound removal and is often used in water treatment plants. Its porous structure combines with the positively charged hydrophobic surface to create the adsorption of organic matter and many micropollutants [23]. According to the particle size, activated carbon can be divided into three types: granular activated carbon (GAC), powdered activated carbon (PAC) and super-powdered activated carbon (S-PAC) [32,33].…”

Section: Physical Methodsmentioning

confidence: 99%

“…Activated carbon adsorbent is an effective removal method and has been widely used in water treatment processes. However, reducing the concentration of T&O compounds to OTC requires a large amount of activated carbon, and high costs are associated with frequent carbon renewal and regeneration [23]. In natural water, activated carbon adsorption is susceptible to natural organic matter (NOM), which leads to the decline of its adsorption capacity [22].…”

Section: Introductionmentioning

confidence: 99%

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Removal of Taste and Odor Compounds from Water: Methods, Mechanism and Prospects

Wang,

Li,

Liu

et al. 2023

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In recent years, taste and odor (T&O) compounds in drinking water are becoming a serious problem, which has brought many challenges to drinking water treatment plants. Due to global concerns about the emergence of T&O compounds, researchers have proposed various water treatment technologies to ensure the quality of drinking water. In this paper, abiotic and biotic methods for the treatment of T&O compounds are reviewed, including process parameters, advantages and disadvantages, removal efficiency and mechanism. Geosmin (GSM) and 2-methylisoborneol (2-MIB) are the most common odorous substances with earthy and musty smells. The chemical and biological methods for the possible degradation pathways of these two compounds are summarized. Furthermore, suggestions and approaches are provided for efficient and safe strategies for T&O compound treatments and their future applications.

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Section: Physical Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%