نتایج جستجو برای: pressure retarded osmosis pro

تعداد نتایج: 508085  

2009
Andrea Achilli Tzahi Y. Cath Eric A. Marchand Amy E. Childress A. Achilli

A novel osmotic membrane bioreactor (OsMBR) is presented. The system utilizes a submerged forward osmosis (FO) membrane module inside a bioreactor. Through osmosis, water is transported from the mixed liquor across a semi-permeable membrane, and into a draw solution (DS) with a higher osmotic pressure. To produce potable water, the diluted DS is treated in a reverse osmosis (RO) unit; the by-pr...

Journal: :Nanotechnology 2013
Minmin Xue Hu Qiu Wanlin Guo

Desalination that produces clean freshwater from seawater holds the promise of solving the global water shortage for drinking, agriculture and industry. However, conventional desalination technologies such as reverse osmosis and thermal distillation involve large amounts of energy consumption, and the semipermeable membranes widely used in reverse osmosis face the challenge to provide a high th...

Objective(s): To investigate the association of single nucleotide polymorphisms (SNPs) in the peroxisome proliferator-activated receptors gamma (PPARG) with essential hypertension (EH) and additional role of gene– high-density lipoprotein cholesterol (HDL) interaction. Materials and Methods:A total of 1640 patients with EH (806 males, 834 females), with a mean age of 52.5±12.6 years, were selec...

Journal: : 2023

The conversion of saltwater and brackish water into fresh through desalination has gained significant importance as a solution to the worldwide scarcity resources. Reverse Osmosis (RO) method been effectively utilized generate from sources water. This research aims examine variables that affect performance reverse osmosis process. effectiveness membrane was assessed experiments explored impact ...

2009
Douglas M. Ruthven

This paper considers permeation through microporous or nanoporous inorganic membranes under the influence of an applied pressure gradient. In general membrane permeation may be considered as a diffusive process, driven by the gradient of chemical potential (which depends on both composition and pressure). The relative importance of these two factors varies greatly for different types of system....

2009
Jian-Jun Qin Boris Liberman Kiran A. Kekre

Reverse osmosis (RO) has been widely applied in various water and wastewater treatment processes as a promising membrane technology. However, RO membrane fouling is a global issue, which limits it operating flux, decreases water production, increases power consumption and requires periodical membranes Cleaning-in-Place (CIP) procedure. This may result in low effectiveness, high cost and adds en...

2017
Yang Shen Chenchen Qiu Yande Li Wen Shi Xiaoxi Rui

China is a country with vast territory, but economic development and population growth have reduced the usable land resources in recent years. Therefore, reclamation by pumping and filling is carried out in eastern coastal regions of China in order to meet the needs of urbanization. However, large areas of reclaimed land need rapid drainage consolidation treatment. Based on past researches on h...

2014
A. Megaritis M. L. Wyszynski

It has been shown previously that applying forced induction to Homogeneous Charge Compression Ignition (HCCI) of bioethanol with residual gas trapping, results in a greatly extended load range compared to normal aspiration. However at very high boost pressures, very high cylinder pressure rise rates develop. The approach documented here explores two ways that might have an effect on combustion ...

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