نتایج جستجو برای: direct contact membrane distillation

تعداد نتایج: 942256  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه گیلان - دانشکده فنی 1393

asymmetric membranes are widely used in many industrial membrane separation processes. the major advantage of membrane filtration over the conventional process is its ability to remove a wider spectrum of particles without using any chemicals. hollow fiber configuration offer many advantages over flat-sheet or tubular membranes. the spinning process of hollow fiber may look simple, yet it is te...

2015
Evan Quon Christopher T. Beh

Lipid transport between membranes within cells involves vesicle and protein carriers, but as agents of nonvesicular lipid transfer, the role of membrane contact sites has received increasing attention. As zones for lipid metabolism and exchange, various membrane contact sites mediate direct associations between different organelles. In particular, membrane contact sites linking the plasma membr...

Journal: :Water 2022

Chemical pollutants, such as methyl orange (MO), constitute the main ingredients in textile industry wastewater, and specifically, dyeing process. The use of chemicals leads to huge quantities unfixed dyes make their way water effluent consequently escalates pollution problem. This work investigates incorporation hydrophobic carbon nanospheres (CNS) prepared from pyrolysis acetylene using chemi...

2009
C. Riziero Martinetti Amy E. Childress Tzahi Y. Cath

Vacuum-enhanced direct contact membrane distillation (VEDCMD) and forward osmosis (FO) were investigated for water recovery enhancement in desalination of brackish water. Past studies have demonstrated that both VEDCMD and FO can be effectively utilized in the treatment of a wide range of highly concentrated feed solutions. In the current study, two reverse osmosis (RO) brine streams with total...

Journal: :Journal of Cleaner Production 2021

In this study, the dynamics of scaled-up membrane distillation (MD) modules are tackled for treatment highly saline desalination brines. Physical phenomena occurring inside feed chamber during process scale-up including temperature evolution, species distribution and scaling likeliness were explored using a multicomponent computational fluid (CFD) model that couples momentum, heat, ions transpo...

Background and Objectives: Red beet extract concentrate can be used as a natural colorant in food products; however, destructive effects of thermal methods to produce juice concentrate decrease nutritional value in the final product. Materials and Methods: In this study, red beet extract was concentrated using osmotic distillation method, and the best pretreatment was evaluated to increase t...

Journal: :Sustainability 2023

Sustaining agricultural demands is a typical problem, particularly in locations afflicted by the scarcity of fresh water, poor farming soil, and hot weather. The main goal this study to perform thermodynamic analysis an integrated multigeneration system containing direct contact membrane distillation crystallization that recovers beneficial hydroponic nutrients from seawater using renewable ene...

Together with the supply of energy and the environmental protection, fresh water is one of the three keys elements for the sustainable development of every society. Where the availability of water cannot be carried out by using conventional sources, unavoidable appears the resort of the major water source: the sea. Today, RO is one the most used membrane processes for the production of fresh wa...

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