Novel Membrane Processes for Water Treatment

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Water Quality and Contamination".

Deadline for manuscript submissions: closed (30 May 2024) | Viewed by 2114

Special Issue Editors


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Guest Editor
School of Industrial Engineering, Universitat Politècnica de València, 46022 Valencia, Spain
Interests: synthetic membranes; water and wastewater treatment; filtration
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E-Mail Website
Guest Editor
Research Institute for Industrial, Radiophysical and Environmental Safety (ISIRYM), Universitat Politècnica de València, Camino de Vera, s/n, 46022 Valencia, Spain
Interests: membrane technology; circular economy; waste valorization; wastewater treatment; membrane fouling and cleaning
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Research Institute for Environmental, Radio Physics and Industrial Safety (ISIRYM), Universitat Politècnica de València, Valencia, Spain
Interests: environment; industrial wastewater treatment; membrane processes; recovery of high-value compounds from wastewater; physical-chemical separation processes; membrane process modeling

Special Issue Information

Dear Colleagues,

This Special Issue is devoted to evaluating the viability of applying novel membrane processes to water treatment. Examples of innovative membrane processes include, but are not limited to, membrane contactors (membrane distillation, osmotic membrane distillation, etc.) and forward osmosis, among others. These technologies have been developed recently and are of growing interest in water production and wastewater treatment. Indeed, research papers on novel membrane technologies are growing exponentially due to their enormous potential: an increasing tendency has been observed over the past five years.

New emergent membrane processes have promising advantages compared to conventional membrane technologies, such as low energy requirements as they operate without pressure, low chemical consumption as membrane fouling is low, and the simultaneous production of a high-quality water stream and another highly concentrated stream of invaluable products. Recent studies have reported very high separation efficiencies in different applications. However, further studies are needed to cope with detected problems in the complex characteristics of the treated streams. This Special Issue considers the production of freshwater and processed water alongside wastewater treatments. Additionally, the development of membrane materials for these novel membrane processes is covered. Both original research and reviews are welcome.

Dr. María Cinta Vincent-Vela
Prof. Dr. Silvia Álvarez Blanco
Dr. Magdalena Cifuentes Cabezas
Guest Editors

Manuscript Submission Information

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Keywords

  • membrane contactors
  • forward osmosis
  • membrane distillation
  • osmotic membrane distillation
  • novel membrane processes
  • water production
  • wastewater treatment

Published Papers (1 paper)

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Research

15 pages, 1903 KiB  
Article
Electrodeionization for Wastewater Reuse in Petrochemical Plants
by Andréia Barros dos Santos, Alexandre Giacobbo, Marco Antônio Siqueira Rodrigues and Andréa Moura Bernardes
Water 2024, 16(3), 401; https://doi.org/10.3390/w16030401 - 25 Jan 2024
Cited by 1 | Viewed by 1468
Abstract
This study investigated a hybrid membrane and electro-membrane separation process for producing demineralized water from tertiary petrochemical effluent, reusing it as feeding water for high-pressure boilers for steam generation. The effluents were treated in a pilot plant with a 1 m3 h [...] Read more.
This study investigated a hybrid membrane and electro-membrane separation process for producing demineralized water from tertiary petrochemical effluent, reusing it as feeding water for high-pressure boilers for steam generation. The effluents were treated in a pilot plant with a 1 m3 h−1 capacity by using a hybrid process of ultrafiltration (UF), reverse osmosis (RO), and electrodeionization (EDI). The physicochemical parameters of interest and maximum limits in industrial water were pre-determined by the industries. Operating parameters such as flow rate, pressure, percentage of recovery, and electric current were monitored, along with the frequency of chemical cleaning. The UF and RO systems operated with average permeate fluxes of 17 ± 4.06 L h−1 m−2 and 20.1 ± 1.9 L h−1 m−2, respectively. Under optimal operating conditions (flow rate of 600 L h−1, voltage of 22.2 ± 0.7 V, and electric current of 1.3 A), EDI produced high-quality water with an average electrical conductivity of 0.22 μS cm−1. Thus, the industrial water produced reached the quality required for reuse as make-up water for high-pressure boilers in the petrochemical industry. In addition, the specific energy consumption; the use of chemicals, spare materials, equipment; and labor costs were determined to support the technical feasibility study for implementing an industrial plant with a 90 m3 h−1 producing capacity. This resulted in a cost of USD 0.64 per cubic meter of demineralized water produced, a cost similar to values reported in the literature. Full article
(This article belongs to the Special Issue Novel Membrane Processes for Water Treatment)
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