Interactions between natural organic matter fractions and nanoscale zero-valent iron

2021 ◽  
pp. 148954
Author(s):  
Thunyalux Ratpukdi ◽  
Katika Intarasuwan ◽  
Panitan Jutaporn ◽  
Eakalak Khan
Keyword(s):  
Organic Matter ◽  
Natural Organic Matter ◽  
Zero Valent Iron ◽  
Nanoscale Zero Valent Iron ◽  
Organic Matter Fractions

Effects of Natural Organic Matter on TCE Removal in Groundwater by Zero-Valent Iron: Batch Study

2013 ◽  
Vol 807-809 ◽  
pp. 486-489
Author(s):  
Tong Zhou Liu ◽  
Pin Hua Rao
Keyword(s):  
Organic Matter ◽  
Humic Acid ◽  
Natural Organic Matter ◽  
Early Stage ◽  
Organic Contaminant ◽  
Zero Valent Iron ◽  
Contaminant Removal ◽  
Inhibitory Effects ◽  
Batch Study

An investigation on the effects of humic acid (representing NOM) on TCE (a typical organic contaminant) removal by Fe0in batch settings was carried out. Inhibitory effects of humic acid on Fe0towards TCE removal were observed. At early stage of the experiments, humic acid might partition with TCE, and the adsorption or deposition of humic acid onto Fe0surface would further facilitated TCE immobilization. Once the reduction reactive sites on Fe0surfaces were covered by accumulated humic acid and the partition of TCE to humic acid became saturated, TCE removal in Fe0was observed retarded.

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