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Tuesday, May 19, 2020 | History

1 edition of Active liquid treatment by a combination of precipitation and membrane processes found in the catalog.

Active liquid treatment by a combination of precipitation and membrane processes

Active liquid treatment by a combination of precipitation and membrane processes

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Published by Commission ofthe European Communities in Luxembourg .
Written in English


Edition Notes

StatementR.G. Gutman... [et al.].
SeriesNuclear science and technology
ContributionsGutman, R. G.
ID Numbers
Open LibraryOL20646360M
ISBN 109282568261

APPLICATIONS: Liquid membrane technology has found applications in the fields of chemical and pharmaceutical technology, biotechnology, food processing and environmental engineering. On the other hand, its use in other fields, such as in the case of hydrogen separation, the recovery of aroma compounds from fruits, the application of ionic Cited by: This document, Design and selection of separation processes, acts as a theory source for the use of the model. In this document, the biochemical production processes and waste water treatment systems. The idea of this study absorption). Less common is the use of a barrier, usually a polymer membrane, which involves a gas or liquid feed.

operation of cost-effective treatment and conditioning processes for radioactive organic liquids arising as effluents from institutions or small research centres. The IAEA wishes to express its gratitude to the consultants, A.S. Williamson (Ontario Hydro, Canada) and S.K. Cowlam (UKAEA Research. precipitation and electrochemical treatments are ineffective, especially when metal ion concentration in aqueous solution is lower than 50 mg/L. Moreover, such treatments produce large amounts of sludge to be treated with great difficulties. Ion exchange, membrane technologies and activated carbon adsorption processes are extremely expensive.

The methods and mechanisms of nonsolvent induced phase separation have been studied for more than fifty years. Today, phase inversion membranes are widely used in numerous chemical industries, biotechnology, and environmental separation processes. The body of knowledge has grown exponentially in the past fifty years, which suggests the need for a critical review of the by: An integrated membrane process for the treatment of wastewaters from a flue gas desulfurization (FGD) plant was implemented on a laboratory scale to reduce their salt content and to produce a water stream to be recycled in the power industry. The process is based on a preliminary pretreatment of FGD wastewaters, which includes chemical softening and ultrafiltration (UF) to remove Ca2+ and Mg2 Cited by: 4.


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Active liquid treatment by a combination of precipitation and membrane processes Download PDF EPUB FB2

Liquid Membranes: Principles and Applications in Chemical Separations and Wastewater Treatment discusses the principles and applications of the liquid membrane (LM) separation processes in organic and inorganic chemistry, analytical chemistry, biochemistry, biomedical engineering, gas separation, and wastewater treatment.

It presents updated, useful, and systematized information on. Liquid Membranes: Principles and Applications in Chemical Separations and Wastewater Treatment discusses the principles and applications of the liquid membrane (LM) separation processes in organic and inorganic chemistry, analytical chemistry, biochemistry, biomedical engineering, gas separation, and wastewater treatment.

It presents updated, useful, and systematized information on new LM Format: Hardcover. Liquid Membranes: Principles and Applications in Chemical Separations and Wastewater Treatment discusses the principles and applications of the liquid membrane (LM) separation processes in organic and inorganic chemistry, analytical chemistry, biochemistry, biomedical engineering, gas separation, and wastewater treatment.

It presents updated, useful, and systematized information on new LM. At the same time, there is a growing interest in membrane-based separation methods that are considered environmentally benign []. A combination of membrane separation and solvent extraction techniques, known as the liquid membrane (LM) technique, has drawn considerable attention for the separation scientists and : Anil Kumar Pabby, Syed S.H.

Rizvi, Ana Maria Sastre Requena. In overall, a combination of these two processes could be used as a zero-liquid discharge (ZLD) scheme by reusing the waste products in different applications.

For instance, the produced sludge from the IERW conditioning unit can be used for extraction of calcium sulfate, which is used as a direct additive in many applications such as cement, water treatment, and food by: 3.

All the proposed extractants for liquid membrane can be used for the organic phase of the membrane contactor. Membrane adsorption can also be used for binding of a specific radioactive element to the membrane. Incorporation of adsorbent nanoparticles in the membrane would enhance the number of adsorption by: Properly selected, membrane processes such as reverse osmosis and nanofiltration, ultrafiltration, and microfiltration in integrated systems, Donnan dialysis, and electrodialysis, as well as membrane bioreactors and liquid membranes, offer the advantage of producing high-quality drinking water and purified wastewater that can be drained off to natural water sources.

Surface active agents are widely used to improve membrane processes due to the ability to trap organic compounds and metals in the treatment of industrial waste water.

The method commonly used for metal separation processes with leaching agents is liquid-liquid extraction, electrowinning, liquid membrane, evaporation, crystallization and hydroxide [5]. Application of pressure-driven membrane processes (microfiltration, ultrafiltration, nanofiltration, and reverse osmosis) results in the generation of a large concentrated waste stream, the concentrate fraction, as a byproduct of the purification process.

Treatment of the concentrate is a major hurdle for the implementation of pressure-driven membrane processes since the concentrate is Cited by: Removal of radioactive iodide from simulated liquid waste in an integrated precipitation reactor and membrane separator (PR-MS) system and the combination of precipitation.

Contents vii Membrane units (module design) 6. MembraneStability Factors influencing membranestability Degradation mechanisms ImprovingSLM stability Gel SLM Polymerinclusion membranes Integration of SLMwith other membrane processes 7.

Supported Liquid MembranesApplication Analytical applications Till now, industrial fractionation and isolation processes for whey proteins have mainly been based on chemical process steps combined with membrane techniques.

The performance and sludge diminution property in wool scouring wastewater treatment of an anaerobic-process in combination with an ultrafiltration membrane (UFM) was evaluated.

The present paper on the supported liquid membrane (SLM) deals with the general principles and applications, followed by the uphill transportation characteristic of SLM. The liquid-liquid extraction with supported liquid membrane is one of the best alternate and promising technologies for the extraction of metal ions from solutions over other hydrometallurgical separation by:   Regeneration of liquid desiccant solutions is critical for the liquid desiccant air conditioning (LDAC) process.

In most LDAC systems, the weak desiccant solution is regenerated using the energy-intensive thermal evaporation method which suffers from desiccant carry-over.

Recently, membrane processes have gained increasing interest as a promising method for liquid desiccant Author: Hung Cong Duong, Ashley Joy Ansari, Long Duc Nghiem, Hai Thuong Cao, Thao Dinh Vu, Thao Phuong Nguye. Membrane bioreactor (MBR) is the combination of a membrane process like microfiltration or ultrafiltration with a biological wastewater treatment process, the activated sludge is now widely used for municipal and industrial wastewater treatment.

Journal of Chemical and Pharmaceutical Research,8(4) Membrane bioreactor is the combination of a membrane process like microfiltration or ultrafiltration with a suspended growth bioreactor, and is now widely used for municipal and industrial wastewater treatment with plant and hence membrane processes in water treatment.

Two main phase separation processes for polymeric membrane formation are discussed: thermally induced phase separation and immersion precipitation. Special attention is paid to phase transitions like liquid-liquid demixing, crystallization, gelation, and vitrification Cited by:   Liquid Membranes: Principles and Applications in Chemical Separations and Wastewater Treatment discusses the principles and applications of the liquid membrane (LM) separation processes in organic and inorganic chemistry, analytical chemistry, biochemistry, biomedical engineering, gas separation, and wastewater treatment.

It presents updated, useful, and systematized information on. Membrane distillation (MD) has been around since the s but only recently it has been widely studied, mainly for desalination. Its application in wastewater treatment is emerging more and more, but despite its great potential for the realization of zero-liquid-discharge systems, many advances are still needed for its acceptance by industrial : Antonio Comite, Marcello Pagliero, Camilla Costa.

This book contains detailed and specialized information in this rapidly growing field for scientists and engineers working in the research and development of separation technologies and will serve as a valuable reference for students studying separation processes, liquid membrane separations, and membrane reactors.Membrane fouling is defined as the irreversible formation of deposits on the active surface of a membrane, causing a decline in flux and a loss of performance.

This is a particular problem during the filtration of brackish water, seawater, and industrial wastewater. The filtration of black liquor and spent sulfite liquor is prone to fouling Cited by: