نتایج جستجو برای: persulfate activation

تعداد نتایج: 428304  

ژورنال: سلامت و محیط زیست 2017

Background and Objective:  Nitrophenols are among the most common and toxic compounds in industrial effluents that 2, 4 dinitrophenol (2, 4-DNP) is the most toxic compound in this group. The object of this study was to optimize the removal of 2, 4-DNP by thermally activated persulfate using a central composite design. Materials and Methods: This study was performed on a batch thermal reactor w...

الماسی, حلیمه, شریفی, زهرا, صیدمحمدی, عبدالمطلب, عسکری, قربان, لیلی, مصطفی,

Background and Objective: The percence of organic compounds resistant to biodegradation has become one of the most important environmental challenges in the chemical and petrochemical industry in this century. Phenol or hydroxyl benzene as an aromatic hydrocarbon discharged into the environment through certian industrial effluents which, thereby, pollutes water resources. This study examined th...

Journal: :Water 2023

Heat-activated persulfate preoxidation was recently proposed as a potential approach to mitigate membrane fouling in distillation (MD) for treating actual water. However, the possible mitigation mechanism involved has not yet been elucidated. In this study, we explored relationship between and pretreatment of natural organic matter (NOM) solutions with peroxymonosulfate (PMS). Individual humic ...

Journal: :international journal of environmental research 2015
s. salehin a. s. aburizaiza m. a. barakat

in this study, the recycling possibility of residual oil fly ash (rofa) towards preparing activated carbon and its application in environmental remediation through adsorbing cu (ii) and pb (ii) ions from aqueous solutions were investigated. activated carbons were prepared using two different physical activation methods such as under steam flow at 950 0c, and combined steam and co2 flow at 850 0...

Journal: :Frontiers of Environmental Science & Engineering 2021

Abstract Due to the toxicity of bioaccumulative organohalides human beings and ecosystems, a variety biotic abiotic remediation methods have been developed remove from contaminated environments. Bioremediation employing organohalide-respiring bacteria (OHRB)-mediated microbial reductive dehalogenation (Bio-RD) represents cost-effective environmentally friendly approach attenuate highly-halogena...

2012
Pradeep Kumar Yahya E. Choonara Lisa C. du Toit Girish Modi Dinesh Naidoo Viness Pillay

Macroporous polyacrylamide-grafted-chitosan scaffolds for neural tissue engineering were fabricated with varied synthetic and viscosity profiles. A novel approach and mechanism was utilized for polyacrylamide grafting onto chitosan using potassium persulfate (KPS) mediated degradation of both polymers under a thermally controlled environment. Commercially available high molecular mass polyacryl...

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