Polymer Solutions and Processing

Rodríguez, Dámaso Navarro

doi:10.1002/9781118480793.ch25

Cited by 5 publications

(1 citation statement)

References 149 publications

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“…Phenol is a volatile, aromatic organic compound that is extremely toxic to human and animals. (Rodríguez, 2013; Skotti et al, 2014). The discharge limit for phenol as prescribed in sewerage and drainage regulations is 0.5 mg/lit (Jenkins, 1982).…”

Section: Removal Of Phenol and Its Derivativesmentioning

confidence: 99%

MEUF for removal and recovery of valuable organic components present in effluents: A process intensified technology

Das

Sharma

Singh

et al. 2022

Water Environment Research

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In recent years, the domain of the research space in novel separation process has been led by membrane systems as a panacea providing multifarious benefits of high separation efficiency, elimination of extreme process conditions, sustainability, and environment friendliness coupled with high operational flexibility. In this niche area, often, ultrafiltration is touted as a robust separation technique due to its high separation efficiency, membrane stability, and lower operating costs. The only drawback of relatively large pore size can be overcome by combining surfactant addition, leading to development of integrated processes termed as Micellar Enhanced Ultrafiltration. MEUF processes isolate and selectively separate valuable organics present in effluent streams.The process characteristics fit the bill as a typified example for process intensification Technology interventions for recycling of surfactants can enhance the cost-competitiveness of the process. This has the potential to develop into a broad-spectrum effluent treatment option with a change of surfactants for target contaminants. Here, in this review, we attempt to critically examine the unique features of this technology, development of spin-offs with wide-ranging applications. Specifically applications in removal of hazardous, and persistent components like dissolved organics have been critically studied. The focus was to highlight the crux of the novel technologies highlighting the efficacy and the underlying concept of process intensification. Practitioner Points• Role of MEUF as a sustainable process intensifying separation technique for removal and recovery of organics.• Novel process development using MEUF.• Comparative performance analysis to assess efficacy.• Discussions on future integrative process development.• Sustainability aspect of MEUF with possibility of byproduct recovery.

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Section: Removal Of Phenol and Its Derivativesmentioning

confidence: 99%

MEUF for removal and recovery of valuable organic components present in effluents: A process intensified technology

Das

Sharma

Singh

et al. 2022

Water Environment Research

View full text Add to dashboard Cite

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Effect of Polymer Concentration on Wetting and Cooling Performance During Immersion Quenching

Ramesh

Prabhu

2015

Metall Mater Trans B

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The effect of varying concentrations (0 to 100 vol pct) of glycol polymer solution on wetting kinetics, kinematics, and cooling performance during immersion quenching was studied by using goniometry, online video imaging, and cooling curve analysis techniques. An increase in concentration of the polymer solution resulted in improved wettability and accelerated spreading kinetics of the quench medium. The quench medium showed mediumfast-nonuniform, fast-uniform, slow-uniform, explosive/rapid, repeated, and slow-nonuniform rewetting phenomena depending on the concentration of the polymer solution. The collapse of the vapor film was by an instantaneous rupture process in the quench medium containing more water and by nucleation of bubbles caused by the selective rupture process in the quench medium enriched with polymer. The quench medium consisting of an equal amount of water and polymer showed an explosive collapse of the vapor film on the quench probe surface. The nature of the wetting front was uniform with polymer quench media except at 100 vol pct concentration of polymer quenchant. There was enhancement in the cooling performance of the quench medium, which was enhanced for a lower volume concentration of the polymer solution. However, an increase in the concentration of the polymer resulted in a decreased cooling performance. The cooling of the probe was more uniform with polymer quenchants (5 to 25 vol pct), which exhibited fast and uniform rewetting. Polymer quenchants (75 to 100 vol pct) that exhibited repeated and slow-nonuniform rewetting showed large variation in heat transfer over the quench probe surface.

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Quenchants: Polymer

Prabhu¹

2016

Encyclopedia of Iron, Steel, and Their Alloys

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Polymer Solutions and Processing

Cited by 5 publications

References 149 publications

MEUF for removal and recovery of valuable organic components present in effluents: A process intensified technology

MEUF for removal and recovery of valuable organic components present in effluents: A process intensified technology

Effect of Polymer Concentration on Wetting and Cooling Performance During Immersion Quenching

Quenchants: Polymer

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