The Preparation Of Dispersions In Liquids
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The Preparation Of Dispersions In Liquids
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Author : H.N. Stein
language : en
Publisher: CRC Press
Release Date : 2020-07-24
The Preparation Of Dispersions In Liquids written by H.N. Stein and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-07-24 with Science categories.
This work details the preparation of dispersions in liquids. It sets out to bridge the gap in information for the chemist who is not applications oriented and the chemical engineer who needs to solve problems in the field based on theoretical methods of dispersions of solids, liquids and gases. Insights are provided into many topics, including the transportation and handling of finely divided soils or highly viscous liquids; the reactions between reactants dissolved in immiscible phases; the formation of porous materials; and filtration.
Solid Liquid Dispersions
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Author : Bohuslav Dobias
language : en
Publisher: CRC Press
Release Date : 1999-03-04
Solid Liquid Dispersions written by Bohuslav Dobias and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999-03-04 with Science categories.
Reviews a range of fundamental concepts, recent developments and practical applications in dispersion theory, along with relevant insights from colloidal and interfacial science. The text contains new work on the stabilization of solid-liquid dispersions. It focuses on topics as varied as electrostatics, hydrodynamics and rheology.
Colloids
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Author : Mohamed Nageeb Rashed
language : en
Publisher: BoD – Books on Demand
Release Date : 2021-09-08
Colloids written by Mohamed Nageeb Rashed and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-09-08 with Science categories.
Colloids are submicron particles that are ubiquitous in both natural and industrial products. Colloids and colloidal systems play a significant role in human health as well as commercial and industrial situations. Colloids have important applications in medicine, sewage disposal, water purification, mining, photography, electroplating, agriculture, and more.This book gathers recent research from experts in the field of colloids and discusses several aspects of colloid morphology, synthesis, and applications. The book is divided into three sections that cover different techniques for the synthesis of colloids, the structure, dynamic and stability of colloids, and applications of colloidal particles, respectively.
Geological Survey Water Supply Paper
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Author :
language : en
Publisher:
Release Date : 1964
Geological Survey Water Supply Paper written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1964 with Floods categories.
Physicochemistry Of Petroleum Dispersions In Refining Technology
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Author : Maciej Paczuski
language : en
Publisher: BoD – Books on Demand
Release Date : 2024-03-06
Physicochemistry Of Petroleum Dispersions In Refining Technology written by Maciej Paczuski and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-03-06 with Technology & Engineering categories.
The book describes the results of research dealing with two types of petroleum dispersions: water in petroleum fractions and fuels as well as asphaltenes in crude oil. Such industrial research is aimed at acquiring new knowledge useful for improving processes and products. The main goal of the research carried out was to solve problems of refining technology and the exploitation of petroleum products. Some of the developed solutions have been patented and applied in industry. The problem of solubilizing a small technological amount of water in gasoline and diesel fuels with the aid of surfactant compositions has been successfully resolved. This solution has been used in business practice; it also increases the water tolerance of gasoline with 5% ethanol and allows for the effective use of LPG. The coalescence on fibrous barriers for dewatering fractions from the atmospheric distillation of crude oil allowed for the economic removal of dispersed water and additionally - the removal from diesel distillates of a significant part of the mineral contaminations. A coalescing method of removing sodium lye dispersed in heavy gasoline from the FCC process was successfully used in an industrial plant, replacing the sand filter used in Merox technology. The deep dehydration of the hydrotreated kerosene fraction by evaporating water into an inert gas, a nitrogen blanket, was developed. The product was additionally protected against the aging processes. The influence of pyrolysis oil, a waste product of the pyrolysis process, on the physical structure of crude oil was investigated. The results of the laboratory tests were verified in industrial trials in the AVD plant. Positive test results made it possible to use pyrolysis oil on an industrial scale changing the dispersion structure and properties of crude oil as well as distillation results.
Study On Microstructure And Rheological Properties Of Cement Chemical Admixtures Water Dispersion System At Early Stage
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Author : Yanrong Zhang
language : en
Publisher: Springer
Release Date : 2017-07-25
Study On Microstructure And Rheological Properties Of Cement Chemical Admixtures Water Dispersion System At Early Stage written by Yanrong Zhang and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-07-25 with Science categories.
This thesis studies the effects of superplasticizers, polyacrylate latexes and asphalt emulsions, which differ in molecular/particle size from nanometers to microns, on the rheological properties of fresh cement pastes (FCPs), as well as the action mechanisms involved. It systematically investigates the rheological properties and microstructure of cement-based materials, and elucidates the adsorption behaviors of polycarboxylate polymers with different functional groups and their effects on cement hydration. Moreover, it reveals how the working mechanism of naphthalene sulfonate formaldehyde (NSF) differs from that of polycarboxylate ether-based (PCE) superplasticizers. Lastly, it develops a conceptual microstructure model and two rheological equations. These findings lend theoretical support to the development of new chemical admixtures and new, higher-performance, cement-based composites.
Water Insoluble Drug Formulation
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Author : Ron Liu
language : en
Publisher: CRC Press
Release Date : 2018-03-12
Water Insoluble Drug Formulation written by Ron Liu and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-03-12 with Medical categories.
Properties and Formulation: From Theory to Real-World Application Scientists have attributed more than 40 percent of the failures in new drug development to poor biopharmaceutical properties, particularly water insolubility. Issues surrounding water insolubility can postpone or completely derail important new drug development. Even the much-needed reformulation of currently marketed products can be significantly affected by these challenges. More recently it was reported that the percentage increased to 90% for the candidates of new chemical entities in the discovery stage and 75% for compounds under development. In the most comprehensive resource on the topic, this third edition of Water-Insoluble Drug Formulation brings together a distinguished team of experts to provide the scientific background and step-by-step guidance needed to deal with solubility issues in drug development. Twenty-three chapters systematically describe the detailed discussion on solubility theories, solubility prediction models, the aspects of preformulation, biopharmaceutics, pharmacokinetics, regulatory, and discovery support of water-insoluble drugs to various techniques used in developing delivery systems for water-insoluble drugs. This book includes more than 15 water-insoluble drug delivery systems or technologies, illustrated with case studies and featuring oral and parenteral applications. Highlighting the most current information and data available, this seminal volume reflects the significant progress that has been made in nearly all aspects of this field. The aim of this book is to provide a handy reference for pharmaceutical scientists in the handling of formulation issues related to water-insoluble drugs. In addition, this book may be useful to pharmacy and chemistry undergraduate students and pharmaceutical and biopharmaceutical graduate students to enhance their knowledge in the techniques of drug solubilization and dissolution enhancement.
Practical Guide To Latex Technology
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Author : Rani Joseph
language : en
Publisher: Smithers Rapra
Release Date : 2013-01-10
Practical Guide To Latex Technology written by Rani Joseph and has been published by Smithers Rapra this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-01-10 with Science categories.
Latex-based technology forms a sizable fraction of natural and synthetic rubber technology and an introduction to the important technologies is beneficial to all practicing technical personnel. This book offers a condensed practical guidance on the technologies used for the production of important latex products. The book begins with a short history of natural rubber latex, formation in the tree and the tapping, storage and conversion of latex to marketable forms. It discusses preservation and concentration of natural rubber latex and the most widely used latex compounding ingredients. Dipping and casting techniques are discussed, as well as the technology related to foams, threads and adhesives. In addition, the book offers an introduction to important lattices such as styrene-co-butadiene rubber, acrylonitrile-co-butadiene, polychloroprene, polyvinyl chloride, and so on. Fully illustrated throughout, with photographs from actual production sites, this practical guide is ideal for academics, research and development managers, students of polymer technology and all those working in the latex industry.
Characterization Of Nanomaterials In Liquid Disperse Systems
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Author : R. R. Retamal Marín
language : en
Publisher: Springer Nature
Release Date : 2022-04-22
Characterization Of Nanomaterials In Liquid Disperse Systems written by R. R. Retamal Marín and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-04-22 with Technology & Engineering categories.
This book describes different aspects of characterization and detection of nanomaterials in liquid disperse systems, such as suspensions, emulsions and suspoemulsions. Natural and technical particulate nanomaterials (NMs) are often present in formulations and products consisting of several disperse phases and complex dispersion media. Specific interfacial properties of the particles, their interactions with each other and with the dispersion medium, have to be considered. For example, the interfacial properties determine whether the particles tend to be arranged in aqueous or lipid phases or at their phase boundaries. The interfacial properties are significantly influenced by the adsorption of dissolved species, i.e., they depend on the composition of the dispersion medium. This poses great challenges for the characterization of these nanoparticle systems and requires adequate preparation methods. The nanoparticle measurement techniques aim at a deep physico-chemical understanding of the dispersity state of nanoparticle systems. Since the dispersity state of nanoparticle systems in an application usually does not correspond to their original manufacturing process, the formulation of new or improved product properties is of decisive importance. The characterization of nanoparticles in complex formulations or matrices requires an adequate sample preparation based on an existing or yet to be developed Standard Operating Procedure (SOP). The structure of the SOPs includes the dispersion regulations, which are of essential importance for comparing reproducible results of nanoparticle measurement with respect to comparability and transferability worldwide. The aim is to separate and isolate relevant NMs with knowledge of the interrelationships.
Nanotechnology For The Preparation Of Cosmetics Using Plant Based Extracts
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Author : Siti Hamidah Mohd Setapar
language : en
Publisher: Elsevier
Release Date : 2022-02-18
Nanotechnology For The Preparation Of Cosmetics Using Plant Based Extracts written by Siti Hamidah Mohd Setapar and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-02-18 with Technology & Engineering categories.
Cosmetic manufacturers use nanoscale size ingredients to provide better UV protection, deeper skin penetration, long-lasting effects, increased color and finish quality. This approach enables the forming of nanoscale cosmetic ingredients, which can possess active components readily absorbed into the skin, repair damage easily, and promote improved product outcomes.Nanotechnology for the Preparation of Cosmetics using Plant-Based Extracts explores the various applications of nanotechnology in the cosmetic industry. Techniques for the development of cosmetic are a topic of increasing interest with widespread opportunities for potential applications in a broad range of industrial applications. The book covers a variety of techniques and processes, focusing on its potential applications in the field of skincare and makeup cosmetics. The book will cover not only conventional processes but also innovative and efficient techniques for the preparation of cosmetics exhibiting unique applications in the field.Nanotechnology for the Preparation of Cosmetics using Plant-Based Extracts is an important reference source for materials scientists, engineers and pharmaceutical scientists who want to learn more about the use of cosmetics prepared through nanotechnology to achieve the materials characteristics and enhancements in the mechanism and properties of makeup and skincare. - Presents techniques for the design and manufacture of high-performance skincare products using nanotechnology - Demonstrates systematic approaches and investigations for the design, synthesis, characterization and applications of various plant-based extracts in order to make them effective ingredients for cosmetics creation - Assesses the major challenges of using plant-based materials in the manufacture of cosmetic products