Simultaneous Removal Of Benzene And Copper From Water And Wastewater Using Micellar Enhanced Ultrafiltration

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Simultaneous Removal of Benzene and Copper from Water and Wastewater Using Micellar-enhanced Ultrafiltration

Author : Mohammed Ridha Zaid Ahmed
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (11 download)

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Book Synopsis Simultaneous Removal of Benzene and Copper from Water and Wastewater Using Micellar-enhanced Ultrafiltration by : Mohammed Ridha Zaid Ahmed

Download or read book Simultaneous Removal of Benzene and Copper from Water and Wastewater Using Micellar-enhanced Ultrafiltration written by Mohammed Ridha Zaid Ahmed and published by . This book was released on 2010 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: To remove metal ions and/or organic molecules from aqueous solutions is a difficulty commonly encountered in the treatment of contaminated water. Traditional ultrafiltration is usually used to separate the high molecular weight molecules and is ineffective in removing heavy metal ions or organic molecules with small molecular weights. Micellar-enhanced ultrafiltration (MEUF) is an effective technique to remove contaminants that traditional ultrafiltration cannot remove. Micellar-enhanced ultrafiltration makes use of the micellar properties of surfactant solutions to remove dissolved ions and/or organics from aqueous streams. Chemical surfactants have proven effective. However compared to biosurfactants they are toxic and create a secondary problem since part of the surfactant monomers frequently leak through the pores of membrane filters. This study is an attempt to examine the effect of rhamnolipid biosurfactant, JBR 425, on contaminant removal from aqueous solutions. The required quantity of rhamnolipid to remove the copper ions as a heavy metal pollutant and benzene molecules as an organic pollutant separately has been determined for different concentrations of pollutants. This quantity, the molar ratio (MR), was 6.25 to obtain a 100% rejection for the copper ions and 1.33 to obtain the same rejection of benzene molecules. When copper and benzene were mixed, these molar ratios have been either improved as in benzene molar ratio which was decreased from 1.33 to 0.56 or remained the same as in copper molar ratio but in all cases rhamnolipid JBR 425 proved of excellent efficiency in the removal of contaminants and a rejection of 100% has been obtained for copper and benzene either separately or simultaneously which is the objective of this study.

Micellar Enhanced Ultrafiltration

Author : Sirshendu De
Publisher : CRC Press
ISBN 13 : 1439898030
Total Pages : 217 pages
Book Rating : 4.4/5 (398 download)

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Book Synopsis Micellar Enhanced Ultrafiltration by : Sirshendu De

Download or read book Micellar Enhanced Ultrafiltration written by Sirshendu De and published by CRC Press. This book was released on 2012-06-04 with total page 217 pages. Available in PDF, EPUB and Kindle. Book excerpt: A response to increasingly stringent regulation of pollution and toxicity levels in industrial waste discharge, Micellar Enhanced Ultrafiltration: Fundamentals & Applications offers the most complete book available on the benefits and use of micellar-enhanced ultrafiltration (MEUF) to achieve continuous removal of organic and inorganic pollutan

Biosurfactants

Author : Gloria Soberon-Chavez
Publisher : Elsevier
ISBN 13 : 0323985610
Total Pages : 336 pages
Book Rating : 4.3/5 (239 download)

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Book Synopsis Biosurfactants by : Gloria Soberon-Chavez

Download or read book Biosurfactants written by Gloria Soberon-Chavez and published by Elsevier. This book was released on 2023-01-06 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biosurfactants: Research and Development provides a thorough overview of biosurfactant research and development across a range of settings and industries, highlighting the novel use of enzymes, metabolic and genetic engineering in biosurfactant production and showcasing diverse experimental models and approaches. Sections discuss fundamental characteristics of biosurfactants, their physio-chemical properties, and their differences from chemically synthesize surfactants, different research approaches for the study of known biosurfactants, and the genetic manipulation of microorganisms to increase biosurfactant productivity, or to produce molecules with improved characteristics. Throughout the book, methods and approaches are discussed in easy-to-digest formats, with methods discussed, ranging from in silico approaches to classical biocatalysis omics analysis and metabolic engineering. Provides a through overview of biosurfactant enzymes and microorganisms used in biosurfactant production Features instruction in a wide range of research and development approaches, ranging from in silico techniques to classical biocatalysis omics analysis and metabolic engineering Features chapter contributions from international leaders in the field

Simultaneous Recovery of Copper and Surfactant by an Electrolytic Process from Synthetic Solution Prepared to Simulate a Concentrate Waste Stream of a Micellar-enhanced Ultrafiltration Process

Download Simultaneous Recovery of Copper and Surfactant by an Electrolytic Process from Synthetic Solution Prepared to Simulate a Concentrate Waste Stream of a Micellar-enhanced Ultrafiltration Process PDF Online Free

Author : Chi-Wang Li
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (814 download)

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Book Synopsis Simultaneous Recovery of Copper and Surfactant by an Electrolytic Process from Synthetic Solution Prepared to Simulate a Concentrate Waste Stream of a Micellar-enhanced Ultrafiltration Process by : Chi-Wang Li

Download or read book Simultaneous Recovery of Copper and Surfactant by an Electrolytic Process from Synthetic Solution Prepared to Simulate a Concentrate Waste Stream of a Micellar-enhanced Ultrafiltration Process written by Chi-Wang Li and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Use of Ligand-modified Micellar-enhanced Ultrafiltration to Slectively Separate Copper Ions from Wastewater Streams

Author : Susan Bakhtiari Shadizadeh
Publisher :
ISBN 13 :
Total Pages : 128 pages
Book Rating : 4.:/5 (464 download)

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Book Synopsis Use of Ligand-modified Micellar-enhanced Ultrafiltration to Slectively Separate Copper Ions from Wastewater Streams by : Susan Bakhtiari Shadizadeh

Download or read book Use of Ligand-modified Micellar-enhanced Ultrafiltration to Slectively Separate Copper Ions from Wastewater Streams written by Susan Bakhtiari Shadizadeh and published by . This book was released on 1992 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Biosurfactants

Author : Catherine N. Mulligan
Publisher : CRC Press
ISBN 13 : 1466518243
Total Pages : 346 pages
Book Rating : 4.4/5 (665 download)

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Book Synopsis Biosurfactants by : Catherine N. Mulligan

Download or read book Biosurfactants written by Catherine N. Mulligan and published by CRC Press. This book was released on 2014-02-10 with total page 346 pages. Available in PDF, EPUB and Kindle. Book excerpt: Microbially derived surfactants, called biosurfactants, provide a promising alternative to synthetic surfactants, displaying better availability and being generally nontoxic and biodegradable. Biosurfactants also have the advantage of diverse chemical properties and the potential to be less expensive. They demonstrate properties such as reducing su

Use of Ligand-modified Micellar-enhanced Ultrafiltration to Selectively Separate Copper Ions from Wastewater Streams

Author :
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (685 download)

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Book Synopsis Use of Ligand-modified Micellar-enhanced Ultrafiltration to Selectively Separate Copper Ions from Wastewater Streams by :

Download or read book Use of Ligand-modified Micellar-enhanced Ultrafiltration to Selectively Separate Copper Ions from Wastewater Streams written by and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The selective removal of target ions from an aqueous solution containing ions of like charge by ligand-modified micellar-enhanced ultrafiltration (LM-MEUF), is presented. In LM-MEUF, surfactant and specially tailored ligand are added to the contaminated stream. The surfactant forms aggregates called micelles, the hydrocarbon core of which the ligand complexed with the target species will solubilize. The surfactant is chosen to have the same charge type as the target ion; therefore, other ions (with similar charge) will not associate with the micelle, which makes the separation of the target ion selective. The solution is then processed by ultrafiltration, using a membrane with pore size small enough to block the passage of the micelles. In this study the divalent copper is the target ion in the solution containing divalent calcium. The surfactant is cetylpyridinium chloride (CPC) and the ligand is 4-hexadecyloxybenzyliminodiacetic acid (C[sub 16]BIDA). Experiments were conducted with batch stirred cells and the results have been compared to separation that take place under a variety of conditions in the LM-MEUF process. Rejections of copper of up to 99.8% are observed, with almost no rejection of calcium, showing that LM-MEUF has excellent selectivity and separation efficiency.

Enhancing Copper Recovery from Cu-edta Wastewater by Electrodeposition with Addition of Iron

Author : Sabine Jessica Ouedraogo
Publisher :
ISBN 13 :
Total Pages : 128 pages
Book Rating : 4.:/5 (122 download)

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Book Synopsis Enhancing Copper Recovery from Cu-edta Wastewater by Electrodeposition with Addition of Iron by : Sabine Jessica Ouedraogo

Download or read book Enhancing Copper Recovery from Cu-edta Wastewater by Electrodeposition with Addition of Iron written by Sabine Jessica Ouedraogo and published by . This book was released on 2020 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: The presence of ligands such as EDTA causes difficulties for the treatment of metal-contaminated wastewaters. Electrochemical processes have been widely used for metal-contaminated wastewaters treatment as well as for the recovery of metals. In the present work, a replacement and electrodeposition processes with the addition of either Fe(II) or Fe(III) ions as a replacement agent were studied for copper recovery. A titanium plate coated with ruthenium and iridium (Ti/Ru-Ir) is employed as anode and a stainless-steel plate as a cathode. The effects of voltage, pH, iron dosing rate, iron dosing time, and surface area of the cathode on the simultaneous removal of organic matters and heavy metals were systematically investigated. The removal efficiency of copper increased with decreasing of the voltage from 44.79 % at 20 V to 93.87 % at 1 V. In contrast, the cathodic recovery of Cu increased with increasing voltage, reaching 2.08 % at 1 V to 38.2 % at 20 V. The results elucidated that at the low voltage the liberated Cu (II) ions were mainly removed by chemical precipitation and by deposition at high voltage. A greenish sludge was observed during the experimentation for a fixed voltages of 1 V and 3 V, indicating that Fe(II) could precipitate as Fe(OH)2. In contrast, brownish sludge was observed for fixed voltages of 10, 15, and 20 V, indicating that Fe(II) is oxidized to Fe(III) followed by the precipitation to Fe(OH)3. At the same time with the increase of voltage, the increase of total organic carbon removal is observed. Contrary to copper removal efficiency, the recovery efficiency increases with increasing voltage.

Micellar- and Polymer-enhanced Ultrafiltration for Heavy Metal and Sulfate Removal from Aqueous Solutions

Author : Weiyun Lin
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (132 download)

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Book Synopsis Micellar- and Polymer-enhanced Ultrafiltration for Heavy Metal and Sulfate Removal from Aqueous Solutions by : Weiyun Lin

Download or read book Micellar- and Polymer-enhanced Ultrafiltration for Heavy Metal and Sulfate Removal from Aqueous Solutions written by Weiyun Lin and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Micellar-enhanced ultrafiltration (MEUF) and polymer-enhanced ultrafiltration (PEUF) show potential as promising techniques to remove dissolved ions from wastewater, but they remain inadequately understood. In this thesis, the MEUF removal of copper, nickel, and cobalt ions from aqueous solutions was investigated. The effect of surfactant-to-metal (S/M) ratio and pH on MEUF performance (i.e., metal rejection rate and permeate flux) were examined to obtain the preferred operational conditions. A resampling-based artificial neural network (ANN) modeling was proposed as a promising tool to predict the MEUF performance and to reveal the importance of process parameters. The model-predicted values showed good agreement with experimental data (R2 > 0.99). S/M ratio and pH had relatively greater contributions to the system performance, whereas sampling time contributed less. A high MEUF efficiency (Rejection > 99%) was achieved. To optimize the system performance and to observe the interactions among operational parameters, the statistical-based response surface methodology (RSM) was used to overcome the drawbacks of the commonly used one-factor-at-a-time method. The thesis is the first study to use an RSM method based on a Box-Behnken design to examine nickel ion removal in a MEUF system while combine with an ANN model. The generated RSM models described the relationship between each performance indicator (nickel rejection rate or permeate flux) and process variables (transmembrane pressure, feed nickel concentration, feed surfactant concentration, and membrane molecular weight cut-off (MWCO) of the membrane). Both RSM and ANN methods adequately described the performance indicators within the examined ranges of the process variables. Next, the thesis targets on sulfate ions, a dissolved anion of increasing concern but not tackled in the MEUF/PEUF field. The thesis is the first study to use MEUF and PEUF to remove sulfate ions as the target component from aqueous solutions. It is also the first to examine the adsorption mechanism of sulfate to surfactant/polymer in such systems. Both MEUF and PEUF were found technically viable to remove sulfate from aqueous streams, with the highest rejection rate (Rejection > 99%) found in dilute sulfate solutions. Further, adsorption equilibrium and kinetics studies show that Freundlich isotherm and pseudo-second-order kinetics can describe the adsorption process. This thesis adds knowledge to the existing MEUF/PEUF techniques by improving system operation, conducting system optimization, and exploring new components (i.e., sulfate ions) that can be removed. It also provides treatment information and potentially facilitates reservoir souring control and mining wastewater treatment.

New Horizons

Author : Richard T. Coffey
Publisher : The American Oil Chemists Society
ISBN 13 : 9780935315783
Total Pages : 186 pages
Book Rating : 4.3/5 (157 download)

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Book Synopsis New Horizons by : Richard T. Coffey

Download or read book New Horizons written by Richard T. Coffey and published by The American Oil Chemists Society. This book was released on 1996 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Application of Nanotechnology for Resource Recovery from Wastewater

Author : Jitendra Kumar Pandey
Publisher : CRC Press
ISBN 13 : 1003859801
Total Pages : 341 pages
Book Rating : 4.0/5 (38 download)

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Book Synopsis Application of Nanotechnology for Resource Recovery from Wastewater by : Jitendra Kumar Pandey

Download or read book Application of Nanotechnology for Resource Recovery from Wastewater written by Jitendra Kumar Pandey and published by CRC Press. This book was released on 2024-02-06 with total page 341 pages. Available in PDF, EPUB and Kindle. Book excerpt: Most of the time, industrial wastes contain recoverable resources that would be useful in other applications. For example, greywater have enough nutrient to support the growth of microalgal biomass that are useful for biofuel production. Similarly, solid waste generated in metal extraction industries often contain high concentration of other metals that could be extracted using various processes. This book presents a critical overview on the current nanotechnologies that are being utilized for extraction of valuable resources from various industrial and domestic wastes. This book presents research, reviews, and case studies on the extraction of metal, organic compounds, energy and nutrients from waste through nanotechnological interventions.

Water Pollution and Remediation: Heavy Metals

Author : Inamuddin
Publisher : Springer Nature
ISBN 13 : 3030524213
Total Pages : 591 pages
Book Rating : 4.0/5 (35 download)

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Book Synopsis Water Pollution and Remediation: Heavy Metals by : Inamuddin

Download or read book Water Pollution and Remediation: Heavy Metals written by Inamuddin and published by Springer Nature. This book was released on 2020-11-18 with total page 591 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pollution of waters by toxic metals is accelerating worldwide due to industrial and population growth, notably in countries having poor environmental laws, resulting in many diseases such as cancer. Classical remediation techniques are limited. This books reviews new, advanced or improved techniques for metal removal, such as hybrid treatments, nanotechnologies and unconventional adsorbents, e.g. metal-organic frameworks. Contaminants include rare earth elements, arsenic, lead, cadmium, chromium, copper and effluents from the electronic, textile, agricultural and pharmaceutical industries.

Metals Abstracts

Author :
Publisher :
ISBN 13 :
Total Pages : 1516 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Metals Abstracts by :

Download or read book Metals Abstracts written by and published by . This book was released on 1992 with total page 1516 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Nanomaterials for Water Treatment and Remediation

Author : Srabanti Ghosh
Publisher : CRC Press
ISBN 13 : 1000485323
Total Pages : 488 pages
Book Rating : 4.0/5 (4 download)

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Book Synopsis Nanomaterials for Water Treatment and Remediation by : Srabanti Ghosh

Download or read book Nanomaterials for Water Treatment and Remediation written by Srabanti Ghosh and published by CRC Press. This book was released on 2021-12-28 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt: Offering a comprehensive view of water-treatment technologies, Nanomaterials for Water Treatment and Remediation explores recent developments in the use of advanced nanomaterials (ANMs) for water treatment and remediation. In-depth reaction mechanisms in water-treatment technologies, including adsorption, catalysis, and membrane filtration for water purification using ANMs, are discussed in detail. The book includes an investigation of the fabrication processes of nanostructured materials and the fundamental aspects of surfaces at the nanoscale. The book also covers the removal of water-borne pathogens and microbes through a photochemical approach. FEATURES Explains various chemical treatments for the removal and separation of hazardous dyes, organic pollutants, pharmaceuticals, and heavy metals from aqueous solutions, including adsorption, advanced oxidation process, and photocatalysis Discusses the rational design of nanoporous materials with a tunable pore structure and fabrication of nanomaterials by surface chemistry engineering Covers the role of nanomaterials-assisted oxidation and reduction processes, design of nano-assisted membrane-based separation, and multifunctional nanomaterials and nanodevices for water treatment Provides an understanding of the structure–activity relationship and stability of ANMs under critical experimental conditions Identifies potential challenges in the application of multifunctional ANMs for future research Nanomaterials for Water Treatment and Remediation is aimed at researchers and industry professionals in chemical, materials, and environmental engineering as well as related fields interested in the application of advanced materials to water treatment and remediation.

Ultrafiltration Membranes and Applications

Author : Anthony R. Cooper
Publisher : Springer Science & Business Media
ISBN 13 : 1461331625
Total Pages : 691 pages
Book Rating : 4.4/5 (613 download)

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Book Synopsis Ultrafiltration Membranes and Applications by : Anthony R. Cooper

Download or read book Ultrafiltration Membranes and Applications written by Anthony R. Cooper and published by Springer Science & Business Media. This book was released on 2013-03-12 with total page 691 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a record of a symposium, "Ultrafiltration Membranes and Applications," which was held at the l78th National Meeting of the American Chemical Society in Washington, D.C., September 11-13, 1979. In organlzlng these sessions, I hoped to provide a comprehensive survey of the current state of ultrafiltration theory, the most recent advances in membrane technology, and a thorough treatment of existing applications and future directions for ultrafiltration. For me, the symposium was an outstanding success. It was a truly international forum with stimulating presentations and an enthusiastic audience. I hope that some of this spirit has spilled over into this volume, which is intended to reach a much wider audience. I am indebted to the Division of Colloid and Surface Chemistry of the American Chemical Society for their sponsorship. ANTHONY R. COOPER Palo Alto, California }larch, 1980 vii CONTENTS PART I. FUNDMfENTALS Fifteen Years of Ultrafiltration: Problems and Future Promises of an Adolescent Technology . . 1 Alan S. Michaels Production, Specification, and Some Transport Characteristics of Cellulose Acetate Ultrafil tration Membranes for Aqueous Feed Solutions 21 S. Sourirajan, Takeshi Matsuura Fu-Hung Hsieh and Gary R. Gildert Chemical and Morphological Effects of Solute Diffusion Through Block Copolymer Membranes 45 Yatin B. Thakore, Dien-Feng Shieh and Donald J. Lyman Practical Aspects in the Development of a Polymer Matrix for Ultrafiltration. 57 Israel Cabasso Permeability Parameters of a Novel Polyamide Membrane. ... - ...

Water Chemistry

Author : Murat Eyvaz
Publisher : BoD – Books on Demand
ISBN 13 : 1789855578
Total Pages : 252 pages
Book Rating : 4.7/5 (898 download)

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Book Synopsis Water Chemistry by : Murat Eyvaz

Download or read book Water Chemistry written by Murat Eyvaz and published by BoD – Books on Demand. This book was released on 2020-02-05 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: Water, which plays an important role in every aspect of our daily lives, is the most valuable natural resource we have on this planet. Drinking, bathing, cooking, regeneration, cleaning, production, energy, and many other uses of water originate from some of its versatile, useful, basic, and unique features. The access, purification, and reuse of water on our planet, which is of course not endless and not available for direct use, is directly related to the water chemistry that explores its inimitable properties. This book includes research on water chemistry-related applications in environmental management and sustainable environmental issues such as water and wastewater treatment, water quality management, and other similar topics. The book consists of three sections, namely, water treatment, wastewater treatment, and water splitting, respectively, and includes 11 chapters. In these chapters, water-wastewater remediation methods, nanomaterials in water treatment, and water splitting processes are comprehensively reviewed in terms of water chemistry.The editors would like to record their sincere thanks to the authors for their contributions.

Cyanide in Water and Soil

Author : David A. Dzombak
Publisher : CRC Press
ISBN 13 : 1420032070
Total Pages : 616 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Cyanide in Water and Soil by : David A. Dzombak

Download or read book Cyanide in Water and Soil written by David A. Dzombak and published by CRC Press. This book was released on 2005-12-09 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt: The presence of cyanide is a significant issue in industrial and municipal wastewater treatment and management, in remediation of former manufactured gas plant sites and aluminum production waste disposal sites, in treatment and management of residuals from hydrometallurgical gold mining, and in other industrial operations in which cyanide-bearing