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Membranes, Volume 10, Issue 6

June 2020 - 24 articles

Cover Story: The aim of this work is to study the combined effect of colloids and soluble microbial products (SMP) on membrane fouling. Two MBRs were investigated for treating two types of wastewater (wwt). Domestic wwt presented 5.5 times more SMP proteins and 11 times more SMP carbohydrates compared to the synthetic one. In contrast, synthetic wwt had 20% more colloids with a size lower than membrane pore size than domestic. Finally, the TMP at 36 days reached 16 kPa for synthetic wwt and 11 kPa for domestic. Consequently, the quantity of colloids and possibly their special characteristics play a more important role in membrane fouling compared to the SMP, a novel conclusion that can be used for mitigation of membranes fouling. View this paper
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Articles (24)

  • Article
  • Open Access
12 Citations
3,371 Views
11 Pages

Microfiltration Membranes Modified with Silver Oxide by Plasma Treatment

  • Joanna Kacprzyńska-Gołacka,
  • Anna Kowalik-Klimczak,
  • Ewa Woskowicz,
  • Piotr Wieciński,
  • Monika Łożyńska,
  • Sylwia Sowa,
  • Wioletta Barszcz and
  • Bernadetta Kaźmierczak

Microfiltration (MF) membranes have been widely used for the separation and concentration of various components in food processing, biotechnology and wastewater treatment. The deposition of components from the feed solution and accumulation of bacter...

  • Article
  • Open Access
23 Citations
4,907 Views
21 Pages

Characterization of Poly(Acrylic) Acid-Modified Heterogenous Anion Exchange Membranes with Improved Monovalent Permselectivity for RED

  • Ivan Merino-Garcia,
  • Francis Kotoka,
  • Carla A.M. Portugal,
  • João G. Crespo and
  • Svetlozar Velizarov

The performance of anion-exchange membranes (AEMs) in Reverse Electrodialysis is hampered by both presence of multivalent ions and fouling phenomena, thus leading to reduced net power density. Therefore, we propose a monolayer surface modification pr...

  • Article
  • Open Access
17 Citations
5,532 Views
15 Pages

The crystalized mixed salts from the zero liquid discharge process are a hazardous threat to the environment. In this study, we developed a novel electrodialysis (SBMED) method by assembling the monovalent selective anion-exchange membrane (MSAEM) in...

  • Article
  • Open Access
45 Citations
4,794 Views
18 Pages

Effect of Vitamin K3 Inhibiting the Function of NorA Efflux Pump and Its Gene Expression on Staphylococcus aureus

  • Saulo R. Tintino,
  • Veruska C. A. de Souza,
  • Julia M. A. da Silva,
  • Cícera Datiane de M. Oliveira-Tintino,
  • Pedro S. Pereira,
  • Tereza C. Leal-Balbino,
  • Antonio Pereira-Neves,
  • José P. Siqueira-Junior,
  • José G. M. da Costa and
  • Fabíola F. G. Rodrigues
  • + 5 authors

Resistance to antibiotics has made diseases that previously healed easily become more difficult to treat. Staphylococcus aureus is an important cause of hospital-acquired infections and multi-drug resistant. NorA efflux pump, present in bacteria S. a...

  • Review
  • Open Access
102 Citations
13,237 Views
56 Pages

Wastewater reuse as a sustainable, reliable and energy recovery concept is a promising approach to alleviate worldwide water scarcity. However, the water reuse market needs to be developed with long-term efforts because only less than 4% of the total...

  • Article
  • Open Access
64 Citations
4,958 Views
20 Pages

Metal Complex as a Novel Approach to Enhance the Amorphous Phase and Improve the EDLC Performance of Plasticized Proton Conducting Chitosan-Based Polymer Electrolyte

  • Ahmad S. F. M. Asnawi,
  • Shujahadeen B. Aziz,
  • Muaffaq M. Nofal,
  • Yuhanees M. Yusof,
  • Iver Brevik,
  • Muhamad H. Hamsan,
  • Mohamad A. Brza,
  • Rebar T. Abdulwahid and
  • Mohd F. Z. Kadir

This work indicates that glycerolized chitosan-NH4F polymer electrolytes incorporated with zinc metal complexes are crucial for EDLC application. The ionic conductivity of the plasticized system was improved drastically from 9.52 × 10−4 S...

  • Article
  • Open Access
32 Citations
6,821 Views
17 Pages

Diffusion Dialysis for Separation of Hydrochloric Acid, Iron and Zinc Ions from Highly Concentrated Pickling Solutions

  • Rosa Gueccia,
  • Alba Ruiz Aguirre,
  • Serena Randazzo,
  • Andrea Cipollina and
  • Giorgio Micale

Acid recovery from pickling waste solutions is an important step to enhance hot-dip-galvanizing industry process sustainability. Diffusion dialysis (DD) can be used to separate acids and heavy metals (e.g., iron and zinc) from pickling waters, promot...

  • Review
  • Open Access
125 Citations
14,611 Views
24 Pages

Solid-Contact Ion-Selective Electrodes: Response Mechanisms, Transducer Materials and Wearable Sensors

  • Yan Lyu,
  • Shiyu Gan,
  • Yu Bao,
  • Lijie Zhong,
  • Jianan Xu,
  • Wei Wang,
  • Zhenbang Liu,
  • Yingming Ma,
  • Guifu Yang and
  • Li Niu

Wearable sensors based on solid-contact ion-selective electrodes (SC-ISEs) are currently attracting intensive attention in monitoring human health conditions through real-time and non-invasive analysis of ions in biological fluids. SC-ISEs have gone...

  • Article
  • Open Access
14 Citations
3,983 Views
36 Pages

Herring milt hydrolysate (HMH), like many fish products, presents the drawback to be associated with off-flavors. As odor is an important criterion, an effective deodorization method targeting the volatile compounds responsible for off-flavors needs...

  • Article
  • Open Access
18 Citations
5,464 Views
21 Pages

Direct Measurement of Crossover and Interfacial Resistance of Ion-Exchange Membranes in All-Vanadium Redox Flow Batteries

  • Yasser Ashraf Gandomi,
  • Doug S. Aaron,
  • Zachary B. Nolan,
  • Arya Ahmadi and
  • Matthew M. Mench

Among various components commonly used in redox flow batteries (RFBs), the separator plays a significant role, influencing resistance to current as well as capacity decay via unintended crossover. It is well-established that the ohmic overpotential i...

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Membranes - ISSN 2077-0375