نتایج جستجو برای: membrane bioreactors

تعداد نتایج: 391668  

Journal: :Algal Research-Biomass Biofuels and Bioproducts 2021

Primary urban wastewater was processed using the microalga Scenedesmus sp. in an outdoor pilot-scale raceway reactor connected to ultrafiltration membrane. The goal separate cellular retention time from hydraulic time. This strategy led a 129.3% increase daily volume of treated per square meter, and 48.7% biomass productivity final value 22.2 ± 1.9 g·m−2·day−1. Nutrient removal highly influence...

Journal: :ACS ES&T engineering 2021

Platform chemicals such as medium-chain carboxylic acids (MCCAs) can be produced from organic waste streams via chain elongation in anaerobic mixed-culture bioreactors. A product recovery system is needed to collect MCCAs the bioreactor effluent. Membrane-based liquid–liquid extraction, most commonly used approach, requires suspended solids removal effluent avoid membrane fouling. An dynamic (A...

2015
Majid Ebrahimi Warkiani Andy Kah Ping Tay Guofeng Guan Jongyoon Han

Microfiltration is a ubiquitous and often crucial part of many industrial processes, including biopharmaceutical manufacturing. Yet, all existing filtration systems suffer from the issue of membrane clogging, which fundamentally limits the efficiency and reliability of the filtration process. Herein, we report the development of a membrane-less microfiltration system by massively parallelizing ...

2009
Jing Chan Mei Fong Chong

Anaerobic–aerobic systems have been remarkably employed in industrial and municipal wastewater treatment for many years. While previously most treatment of wastewaters have been carried out in conventional anaerobic–aerobic treatment plants, in recent years, high rate anaerobic–aerobic bioreactors have been increasingly employed for wastewaters with high chemical oxygen demand (COD). This paper...

2013
Sebastian Ruhl Ute Husemann Elke Jurkiewicz Thomas Dreher Gerhard Greller

Introduction Nowadays, single-use bioreactors are widely accepted in pharmaceutical industry. This is based on shorter batch to batch times, reduced cleaning effort and a significantly lower risk of cross contaminations [1,2]. One large field of the application of single-use bioreactors is the seed train cultivation of mammalian cells [1]. The focus is further extended to perform state of the a...

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