Packing granular activated carbon into a submerged gravity-driven flat sheet membrane module for decentralized water treatment

Schumann, Pia; Andrade, J. A.; Jekel, Martin; Ruhl, Aki Sebastian

doi:10.1016/j.jwpe.2020.101517

Cited by 22 publications

(7 citation statements)

References 39 publications

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“…It has been shown that organic micropollutants can be effectively removed by ultraviolet irradiation. The proposed membrane system effectively traps bacteria and particles at 5.1 and 1.6 log removal value (LRV), respectively [ 87 ].…”

Section: Activated Carbonmentioning

confidence: 99%

Recent Advances on Membranes for Water Purification Based on Carbon Nanomaterials

et al. 2022

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Every year the problem of water purification becomes more relevant. This is due to the continuous increase in the level of pollution of natural water sources, an increase in the population, and sharp climatic changes. The growth in demand for affordable and clean water is not always comparable to the supply that exists in the water treatment market. In addition, the amount of water pollution increases with the increase in production capacity, the purification of which cannot be fully handled by conventional processes. However, the application of novel nanomaterials will enhance the characteristics of water treatment processes which are one of the most important technological problems. In this review, we considered the application of carbon nanomaterials in membrane water purification. Carbon nanofibers, carbon nanotubes, graphite, graphene oxide, and activated carbon were analyzed as promising materials for membranes. The problems associated with the application of carbon nanomaterials in membrane processes and ways to solve them were discussed. Their efficiency, properties, and characteristics as a modifier for membranes were analyzed. The potential directions, opportunities and challenges for application of various carbon nanomaterials were suggested.

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Section: Activated Carbonmentioning

confidence: 99%

Recent Advances on Membranes for Water Purification Based on Carbon Nanomaterials

et al. 2022

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“…Increasing the eukaryote activity by increasing temperature seems impractical, as demonstrated elsewhere [ 75 ]. On the other hand, increasing the surface area for biofilm by introducing a carrier or even altering the filtration configuration seems more practical [ 76 , 77 ].…”

Section: Confounding Effects Of Compaction Wetting and Fouling And Fu...mentioning

confidence: 99%

Confounding Effect of Wetting, Compaction, and Fouling in an Ultra-Low-Pressure Membrane Filtration: A Review

et al. 2022

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Ultra-low-pressure membrane (ULPM) filtration has emerged as a promising decentralized water and wastewater treatment method. It has been proven effective in long-term filtration under stable flux without requiring physical or chemical cleaning, despite operating at considerably lower flux. The use of ultra-low pressure, often simply by hydrostatic force (often called gravity-driven membrane (GDM) filtration), makes it fall into the uncharted territory of common pressure-driven membrane filtration. The applied polymeric membrane is sensitive to compaction, wetting, and fouling. This paper reviews recent studies on membrane compaction, wetting, and fouling. The scope of this review includes studies on those phenomena in the ULPM and how they affect the overall performance of the system. The performance of GDM systems for water and wastewater treatment is also evaluated. Finally, perspectives on the future research direction of ULPM filtration are also detailed.

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“…2 As a new ultra-low pressure UF technology, gravity-driven membranes (GDMs) have the potential to be a competitive alternative to traditional water treatment processes due to their low energy consumption, environmental friendliness, and ease of operation and maintenance. 3 Currently, the GDM system demonstrates unique advantages in the purification of greywater, 4 treatment of shale gas wastewater, 5 and pretreatment of seawater desalination, 6 among others. With the operation of the GDM system, a porous biofilter cake layer with a stable structure can form on the membrane surface, leading to a relatively stable flux range, typically between 4 and 15 L m −2 h −1 , depending on the type of raw water.…”

Section: Introductionmentioning

confidence: 99%

Improved stable flux and antifouling properties of a PSF gravity-driven membrane by blending with hydrophilic functionalized mesoporous silicon

Wang,

Cheng

et al. 2024

Environ. Sci.: Water Res. Technol.

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Packing granular activated carbon into a submerged gravity-driven flat sheet membrane module for decentralized water treatment

Cited by 22 publications

References 39 publications

Recent Advances on Membranes for Water Purification Based on Carbon Nanomaterials

Recent Advances on Membranes for Water Purification Based on Carbon Nanomaterials

Confounding Effect of Wetting, Compaction, and Fouling in an Ultra-Low-Pressure Membrane Filtration: A Review

Improved stable flux and antifouling properties of a PSF gravity-driven membrane by blending with hydrophilic functionalized mesoporous silicon

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