Endosulfan Plant Uptake Suppression Effect on Char Amendment in Oriental Radish

• Published in: Water, air, and soil pollution Vol. 229; no. 1; pp. 1 - 7
• Main Authors: Choi, Geun-Hyoung, Lee, Deuk-Yeong, Seo, Dong-Cheol, Kim, Leesun, Lim, Sung-Jin, Ryu, Song-Hee, Park, Byung-Jun, Kim, Jeong-Han, Kim, Jin Hyo
• Format: Journal Article
• Language: English
• Published: Cham Springer International Publishing 01.01.2018; Springer; Springer Nature B.V
• Subjects: Activated carbon; Adsorbents; Adsorption; Agricultural biotechnology; Agricultural land; Agricultural resources; Agriculture; Atmospheric Protection/Air Quality Control/Air Pollution; Bioaccumulation; Biological magnification; Capacity; Climate Change/Climate Change Impacts; Crop residues; Earth and Environmental Science; Endosulfan; Environment; Environmental monitoring; Experiments; Granulation; Hydrogeology; Immobilization; Land pollution; Particulate organic carbon; PCB; Persistent organic pollutants; Pesticides; Pollutants; Polychlorinated biphenyls; Raphanus sativus; Seeds; Soil; Soil contamination; Soil Science & Conservation; Sulfates; Uptake; Water Quality/Water Pollution; Endosulfan; Radish; Bioconcentration factor; Char; Soil amendment
• ISSN: 0049-6979; 1573-2932
• DOI: 10.1007/s11270-017-3677-x

Persistent organic pollutants (POPs) immobilization in farm land is an important issue to solve the residue in crop, and char has been considered for the remediation. In here, three commercially available chars like powdered oak char (POC), granulated oak char (GOC), and rice husk char (RHC) including powdered activated carbon (PAC) were investigated for their potential to adsorb and immobilize endosulfan in the soil. The maximum adsorption capacities (mg g −1 ) of the applied chars as POC, GOC, and RHC were 714.8, 322.6, and 181.8, respectively, and the capacity of POC was similar with PAC (713.8). In addition, the pore volume (0.138 cm 3  g −1 ) and the surface area (270.3 m 2  g −1 ) of POC were over 3-fold higher than GOC and RHC. The bioconcentration factor (BCF) reducing effect of α-, β-endosulfan, and endosulfan sulfate in oriental radish ( Raphanus sativus var. sativus) was investigated by amendment of three commercially available chars to the contaminated soils. The BCF of total endosulfan was 0.025 in the radish root. POC treatments effectively suppressed the endosulfan uptake (BCF 0.002). However, GOC and RHC showed little BCF reducing effect of endosulfan in radish.