Microstructure analysis of electrokinetically stabilized peat

Moayedi, Hossein; Назир, Рамли; Kazemian, Sina; Huat, Bujang Kim

doi:10.1016/j.measurement.2013.11.006

Cited by 18 publications

(7 citation statements)

References 10 publications

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“…A typical plot of the zeta potential versus pH of TiO 2 nanoparticles is shown in Figure 6. In this example, the isoelectric point shown is at pH 5.5, it is stable at pH < 4 (enough positive charge is present) or >7.5 (enough negative charge is present) [22] …”

Section: Factors Affecting Zeta Potentialmentioning

confidence: 93%

Revisiting Zeta Potential, the Key Feature of Interfacial Phenomena, with Applications and Recent Advancements

et al. 2022

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Surface of a particle is inevitably charged. When the particle is surrounded by a fluid a potential difference arises between the surface and bulk, called zeta potential (ζ) which controls many interfacial properties of the particle involving in suspension, emulsion, colloid etc. Many phenomena happening around us have at least one step that passes through an interface. Thus, the application of ζ is practically uncountable. Discovered in late 19th century, almost past 120 years, the application of ζ has emerged in many areas to meet the fruitful need of mankind. However, to the best of our knowledge, there is no report disclosed citing the applications at one place as a ready tool for the readers. The present review accumulates extensive survey of literature, bringing out various aspects of ζ in chemistry, engineering, biology, material, and environmental sciences. A brief theoretical background mentioning the principle and practical applications were focused.

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Section: Factors Affecting Zeta Potentialmentioning

confidence: 93%

Revisiting Zeta Potential, the Key Feature of Interfacial Phenomena, with Applications and Recent Advancements

et al. 2022

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“…Generally, pH PZC is the point at which the net electrical charge density on a surface is zero. 63 This is generally determined in relation to the pH of the medium and therefore it is also called as the pH at which the surface of a particle shows no net charge. 64 In order to determine pH PZC , a series of suspensions of ZnO were prepared at different pH values and the zeta potentials were measured.…”

Section: Zeta Potential Measurementsmentioning

confidence: 99%

Dissolution and aggregation of zinc oxide nanoparticles at circumneutral pH; a study of size effects in the presence and absence of citric acid

Rupasinghe¹

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I would like to thank my advisor, Professor Vicki H. Grassian, for supporting me during last one and half years in several ways. Upon everything thing I am grateful to her for helping me to wake up the "strong woman" inside me. Your "words and decisions" made me became stronger in my academic life. Many thanks also to my committee members, Professors Sarah Larsen, Ed Gillan, for all of your support. A special thank you goes to all the members of Grassian research group specially Dr. Larissa Stebanovna, Dr. Shaowei-bian, Chia-ming Wu, Gayan Rubasinghege and Imali Mudunkotuwa for their valuable support. I would also like to mention all my teachers since my high school time for showing me the correct path in my life. Next, I would like to thank all my friends for their valuable support. All of you were there for me in my "ups and downs" and your words encouraged me a lot to achieve my goal. A special thank goes to my family. Their support was so precious. I should specially mention my mother; you were my first ever chemistry teacher. Thank you very much for showing me the "beauty" of chemistry when I was a small kid. Finally, thanks to my loving Lahiru for his kind, valuable support. You were with me days and nights when I was working in the lab. Honestly, I don't have words to express my thanks to you for everything you have done for me.

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“…The microfabric/particle arrangement of soil can be investigated with representative scanning electron microscopy (SEM) of the dried soil before and after the electro-osmosis process [40]. Soil properties and characteristics depend on the intermediate microstructure of dispersed and flocculated soil [43,[46][47][48]. The compressibility and consolidation characteristics are the results of clay matrices, interstitial pore spaces, diffuse double layer (DDL), and soil particles aggregation [42,49] These physical characteristics can be recognized with the SEM image for all microstructure features like particle arrangements, particle assemblage and pore spaces [50] At anode front Original soil At cathode front Figure 8.…”

Section: Scanning Electron Microscopy (Sem)mentioning

confidence: 99%

Consolidation Assessment of Marine Clay Using Electrokinetic Coupled with Constant Load

Singh¹,

Paramkusam²,

Prasad³

2022

cea

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In Marine clays, the consolidation phenomenon is a significant issue of concern. For this, an innovative electrokinetic consolidation method was adopted by coupling the conventional consolidation technique with a constant voltage gradient. A series of tests were performed on reconstituted marine clay samples for constant loading intensity of 4kg/cm² coupled with a constant DC voltage of 2, 4 and 6V. Various parameters such as deformation, void ratio, current, pH, voltage and moisture content were continuously monitored to compare with test results of conventional Incremental loading (IL) and constant loading (CL) techniques. In the case of electrokinetic (EK) coupled loading, with an increase in voltage gradient, the values obtained for voltage and current were also increased to maximum and then decreased afterwards. Microfabric changes were also visible in soils collected at anode and cathode, which were evidenced with the images of scanning electron microscopy (SEM) data obtained before and after EK consolidation tests when compared with original marine clay. The constant loading intensity of 4kg/cm 2 with a 4V electric gradient resulted in higher compression and better consolidation characteristics than other loading conditions.

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Microstructure analysis of electrokinetically stabilized peat

Cited by 18 publications

References 10 publications

Revisiting Zeta Potential, the Key Feature of Interfacial Phenomena, with Applications and Recent Advancements

Revisiting Zeta Potential, the Key Feature of Interfacial Phenomena, with Applications and Recent Advancements

Dissolution and aggregation of zinc oxide nanoparticles at circumneutral pH; a study of size effects in the presence and absence of citric acid

Consolidation Assessment of Marine Clay Using Electrokinetic Coupled with Constant Load

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