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Almeida ARRP, Pinheiro BDA, Monte MJS. Research on the volatility, phase transitions and thermodynamic stability of five organochlorine compounds. CHEMOSPHERE 2024; 351:141224. [PMID: 38266875 DOI: 10.1016/j.chemosphere.2024.141224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 01/10/2024] [Accepted: 01/12/2024] [Indexed: 01/26/2024]
Abstract
The present investigation describes the experimental evaluation of relevant physicochemical properties of five organochlorine compounds (OCs), including some that are related to their environmental mobility. The vapor pressures of (2,4'-Dichlorodiphenyl)dichloroethane (2,4'-DDD, CASN:53-19-0), 1,1-Dichloro-2,2-bis(4-chlorophenyl)ethane (4,4'-DDD, CASN:72-54-8) and 2,2-Bis(4-chlorophenyl)acetic acid (4,4'-DDA, CASN:83-05-6), as well as of the bactericide Nitrapyrin (CASN:1929-82-4) and of the rodenticide Crimidine (CASN:535-89-7) were determined at different temperatures. The Knudsen mass-loss effusion technique was employed to determine the sublimation vapor pressures of the referred compounds, apart from Crimidine. For the latter compound, a static method using a capacitance diaphragm manometer enabled the measurement of vapor pressures of both condensed (crystalline and liquid) phases. This technique was also used to measure the vapor pressures of the crystalline phase of Nitrapyrin over a larger temperature range, as well as its vaporization vapor pressures. The results of the standard molar enthalpies, entropies, and Gibbs energies of sublimation for all five compounds and of vaporization for Crimidine and Nitrapyrin, at reference temperatures, were derived. For these two compounds the phase diagram representations of the (p,T) results, in the vicinity of the triple point, were obtained. DSC analysis enabled the determination of the crystalline heat capacities of the five OCs studied and also of their temperatures and enthalpies of fusion. Gas-phase thermodynamic properties were estimated using quantum chemical calculations. The thermodynamic stability of the compounds studied was evaluated and compared in the crystalline and gaseous phases, at 298.15 K, in consideration with estimated results of the standard Gibbs energies of formation. Combined with other physical and chemical properties, the results derived from this study can be used to predict the mobility, and environmental fate of these pollutants.
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Affiliation(s)
- Ana R R P Almeida
- Research Centre in Chemistry of University of Porto (CIQUP), Institute of Molecular Sciences (IMS), Department of Chemistry and Biochemistry (DQB), Faculty of Sciences of University of Porto (FCUP), Rua Do Campo Alegre, P-4169-007, Porto, Portugal.
| | - Bruno D A Pinheiro
- Research Centre in Chemistry of University of Porto (CIQUP), Institute of Molecular Sciences (IMS), Department of Chemistry and Biochemistry (DQB), Faculty of Sciences of University of Porto (FCUP), Rua Do Campo Alegre, P-4169-007, Porto, Portugal
| | - Manuel J S Monte
- Research Centre in Chemistry of University of Porto (CIQUP), Institute of Molecular Sciences (IMS), Department of Chemistry and Biochemistry (DQB), Faculty of Sciences of University of Porto (FCUP), Rua Do Campo Alegre, P-4169-007, Porto, Portugal.
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2
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Blundell SP, Owens G. Evaluation of enhancement techniques for the dechlorination of DDT by nanoscale zero-valent iron. CHEMOSPHERE 2021; 264:128324. [PMID: 33022509 DOI: 10.1016/j.chemosphere.2020.128324] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Revised: 08/16/2020] [Accepted: 09/10/2020] [Indexed: 06/11/2023]
Abstract
Due to its low toxicity and high reactivity, nanoscale zero-valent iron (nZVI) is widely used as a remediation agent. However, nZVI is also prone to rapid aggregation and surface oxidation, which significantly reduces its practical efficacy. Here three enhancement techniques, proposed to overcome these limiting factors, incremental addition, pH adjustment and the application of ultrasonic energy, were systematically evaluated for their ability to increase the remediation efficiency of 1,1,1-Trichloro-2,2-bis(4-chlorophenyl)ethane (DDT) sorbed onto the surface of a soil surrogate. The efficacy of nZVI was also compared to the effectiveness of microscale zero valent iron (μZVI). Of the three enhancement techniques studied, only ultrasonic energy significantly enhanced the effectiveness of nZVI for the degradation of DDT and its primary degradation products due to disaggregation and surface cleaning of nZVI and increased ultrasound induced mixing. While pH had no effect on the degradation efficiency of nZVI, low pH significantly enhanced the effectiveness of μZVI remediation. This was attributed to the sustained low solution pH reducing surface corrosion products, increasing surface area and maintaining a cationic surface for attracting anionic DDT.
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Affiliation(s)
- Stephen Paul Blundell
- Environmental Contaminants Group (ECG) - Future Industries Institute, University of South Australia, The Mawson Lakes Campus, Materials and Minerals Sciences Building MM, MM3-01B, Mawson Lakes Boulevard, MAWSON LAKES, South Australia
| | - Gary Owens
- Environmental Contaminants Group (ECG) - Future Industries Institute, University of South Australia, The Mawson Lakes Campus, Materials and Minerals Sciences Building MM, MM3-01B, Mawson Lakes Boulevard, MAWSON LAKES, South Australia.
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3
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Khuntia BK, Anwar MF, Alam T, Samim M, Kumari M, Arora I. Synthesis and Characterization of Zero-Valent Iron Nanoparticles, and the Study of Their Effect against the Degradation of DDT in Soil and Assessment of Their Toxicity against Collembola and Ostracods. ACS OMEGA 2019; 4:18502-18509. [PMID: 31737808 PMCID: PMC6854564 DOI: 10.1021/acsomega.9b01898] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Accepted: 10/22/2019] [Indexed: 06/10/2023]
Abstract
Of late, novel magnetic nanomaterials have drawn worldwide attention because of the uniqueness in their properties and uses. In our studies, we have prepared nearly monodisperse zero-valent iron nanoparticles (nZVIs) of diameter of less than 60 nm in aqueous medium by a reductive precipitation process and pectin as stabilizing agent. The characterization of these nanoparticles was done by dynamic light scattering and transmission electron microscopy (TEM) techniques. The TEM images confirmed that the average size of the nZVIs was about 25 nm. The resultant nZVIs were then employed to degrade DDT (dichlorodiphenyltrichloroethane) in spiked soil, and their toxicity toward Collembola (Folsomia candida) and Ostracods (Heterocypris incongruens) was measured. The fabricated nZVIs degraded DDT in soil quite effectively. Further, the effects of nZVIs on Collembola and Ostracods were found to be negative. This was due to the oxidation of nZVIs and creation of anoxic conditions thereupon, and the generation of excess Fe(II) in soil. In addition, the negative effects of DDT on ostracod development and Collembola reproduction were found to be quite weak.
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Affiliation(s)
- Bhanja Kishore Khuntia
- Department
of Chemistry and Department of Physics, KLDAVPG College, Roorkee 247667, India
| | - Mohammad Faiyaz Anwar
- Department of Pathology, All
India Institute of Medical Science, New Delhi 110029, India
| | - Tanveer Alam
- Department
of Chemistry and Department of Physics, KLDAVPG College, Roorkee 247667, India
| | - Mohammed Samim
- School of Chemical & Life Sciences, Jamia Hamdard, New Delhi 110062, India
| | - Mithlesh Kumari
- Department
of Chemistry and Department of Physics, KLDAVPG College, Roorkee 247667, India
| | - Indu Arora
- Department
of Biomedical Sciences, Shaeed Rajguru College of Applied Sciences, University of Delhi, New Delhi 110021, India
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4
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Kang S, Wang G, Zhao H, Cai W. Ball Milling-Induced Plate-like Sub-microstructured Iron for Enhancing Degradation of DDT in a Real Soil Environment. ACS OMEGA 2018; 3:6955-6961. [PMID: 31458861 PMCID: PMC6644382 DOI: 10.1021/acsomega.8b00479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Accepted: 06/07/2018] [Indexed: 06/10/2023]
Abstract
The remediation of soil contaminated by 1,1,1-trichloro-2,2-bis(4-chlorophenyl) ethane (DDT) has been a challenge. In this paper, the degradation performances of the ball milling-induced plate-like sub-microstructured zero valent iron (SMZVI) to DDT in a real soil environment is studied. It has been found that such SMZVI exhibits much higher degradation performances to DDT in soil than commercial ZVI powders under acidic conditions. More than 95% DDT could be degraded within 80 min in the 5 ppm DDT-contaminated soil with addition of 50 mg g-1 SMZVI, which is much better than the previously reported results. The time-dependent DDT removal amount can be well described by the pseudo first-order kinetic model. Further experiments have revealed that the ZVI dosages, surfactant's and acidic additions, and the weight ratio of soil-to-water in the slurries are important to DDT degradation, and the degradation products were mainly DDD (a product with less chlorine). An acid-assisted ZVI-induced reductive dechlorination process is proposed, which can well explain the DDT degradation behaviors in soil and the influence from the other factors. This work not only deepens the understanding of DDT degradation in soils based on ZVI but also demonstrates that the SMZVI could be a promising material for DDT degradation in real environments.
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Affiliation(s)
- Shenghong Kang
- Key
Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials
and Nanotechnology, Center for Environmental and Energy Nanomaterials,
Institute of Solid State Physics, Chinese
Academy of Sciences, Hefei 230031, P. R. China
- Department
of Materials Science and Engineering, University
of Science and Technology of China, Hefei 230026, P. R. China
| | - Guozhong Wang
- Key
Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials
and Nanotechnology, Center for Environmental and Energy Nanomaterials,
Institute of Solid State Physics, Chinese
Academy of Sciences, Hefei 230031, P. R. China
| | - Huijun Zhao
- Key
Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials
and Nanotechnology, Center for Environmental and Energy Nanomaterials,
Institute of Solid State Physics, Chinese
Academy of Sciences, Hefei 230031, P. R. China
| | - Weiping Cai
- Key
Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials
and Nanotechnology, Center for Environmental and Energy Nanomaterials,
Institute of Solid State Physics, Chinese
Academy of Sciences, Hefei 230031, P. R. China
- Department
of Materials Science and Engineering, University
of Science and Technology of China, Hefei 230026, P. R. China
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Wang X, Chen J. The influence of small-scale interlayer heterogeneity on DDT removal efficiency for flushing technology. JOURNAL OF CONTAMINANT HYDROLOGY 2017; 201:1-5. [PMID: 28442238 DOI: 10.1016/j.jconhyd.2017.02.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2016] [Revised: 02/22/2017] [Accepted: 02/27/2017] [Indexed: 06/07/2023]
Abstract
With an aim to investigate the influence of small-scale interlayer heterogeneity on DDT removal efficiency, batch test including surfactant-stabilized foam flushing and solution flushing were carried out. Two man-made heterogeneous patterns consisting of coarse and fine quartz sand were designed to reveal the influencing mechanism. Moreover, the removal mechanism and the corresponding contribution by foam flushing were quantitatively studied. Compared with surfactant solution flushing, the DDT removal efficiency by surfactant-stabilized foam flushing increased by 9.47% and 11.28% under heterogeneous patterns 1 and 2, respectively. The DDT removal contributions of improving sweep efficiency for heterogeneous patterns 1 and 2 by foam flushing were 40.82% and 45.98%, and the contribution of dissolving capacity were 59.18% and 54.02%, respectively. The dissolving capacity of DDT played a major role in DDT removal efficiency by foam flushing under laboratory conditions. And the DDT removal contribution of significant improving sweep efficiency was higher than that of removal decline caused by weak solubilizing ability of foam film compared with solution flushing. The obtained results indicated that the difference of DDT removal efficiency by foam flushing was decreased under two different heterogeneous patterns with the increase of the contribution of improving foam flushing sweep efficiency. It suggested that foam flushing can reduce the disturbance from interlayer heterogeneity in remediating DDT contaminated heterogeneous medium.
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Affiliation(s)
- Xingwei Wang
- Key Laboratory for Water and Sediment Sciences of Ministry of Education, School of Environment, Beijing Normal University, Beijing 100875, China
| | - Jiajun Chen
- Key Laboratory for Water and Sediment Sciences of Ministry of Education, School of Environment, Beijing Normal University, Beijing 100875, China..
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Singh SP, Bose P. Reductive dechlorination of endosulfan isomers and its metabolites by zero-valent metals: reaction mechanism and degradation products. RSC Adv 2017. [DOI: 10.1039/c7ra02430d] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Degradation by-products of organochlorine pesticide endosulfan and metabolites by different zero valent metals.
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Affiliation(s)
- Swatantra P. Singh
- Department of Civil Engineering
- Indian Institute of Technology
- Kanpur-208016
- India
| | - Purnendu Bose
- Department of Civil Engineering
- Indian Institute of Technology
- Kanpur-208016
- India
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7
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Liu CY, Cade-Menun BJ, Xu XH, Fan JL. Electron Donor Substances and Iron Oxides Stimulate Anaerobic Dechlorination of DDT in a Slurry System with Hydragric Acrisols. JOURNAL OF ENVIRONMENTAL QUALITY 2016; 45:331-340. [PMID: 26828189 DOI: 10.2134/jeq2015.07.0406] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
The interactive effects between electron donor substances and iron (Fe) oxides have significant influence on electron transfer and the growth of Fe-reducing bacteria, which may affect the reductive dechlorination of 1,1,1-trichoro-2,2-bis(p-chlorophenyl)ethane (DDT) in soils. To evaluate the roles of volatile fatty acids and Fe(III) oxide in accelerating the reductive dechlorination of DDT in Hydragric Acrisols, a batch anaerobic incubation experiment was conducted in a slurry system with the following seven treatments: sterile soil, control (DDT-contaminated soil), lactic acid, propionic acid, goethite, lactic acid + goethite, and propionic acid + goethite. Results showed that after 20 d of incubation, DDT residues for these treatments decreased by 34, 65, 77, 81, 77, 90, and 92% of the initial quantities, respectively, with 1,1-dichloro-2,2-bis(4-chlorophenyl)-ethane as the dominant metabolite. The application of lactic acid had no significant effect on DDT dechlorination in the first 8 d while the methanogenesis rate increased quickly but accelerated DDT dechlorination after Day 8 while the methanogenesis rate decreased and Fe(II) contents increased. The application of propionic acid enhanced DDT dechlorination rates throughout the incubation. The amendment by goethite stimulated microbial reduction of Fe(III) oxides to generate Fe(II), which was an efficient electron donor, thus accelerating DDT dechlorination significantly in the early incubation period. A synergetic interaction that accelerated DDT dechlorination, either between lactic acid and goethite or between propionic acid and goethite, was obtained. The results will be of great significance to develop efficient in situ remediation technology of DDT-contaminated soil.
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Ren B, Zhang M, Gao H, Zheng J, Jia L. Atomic elucidation of the cyclodextrin effects on DDT solubility and biodegradation. Phys Chem Chem Phys 2016; 18:17380-8. [DOI: 10.1039/c6cp02790c] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Different binding modes between DDT and CDs explain why only α-CD can promote the bioavailability and biodegradation of DDT by simultaneously increasing its aqueous solubility and membrane interaction.
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Affiliation(s)
- Baiping Ren
- School of Life Science and Biotechnology
- Dalian University of Technology
- Dalian 116024
- China
- Department of Chemical and Biomolecular Engineering
| | - Mingzhen Zhang
- Department of Chemical and Biomolecular Engineering
- The University of Akron
- Akron
- USA
| | - Huipeng Gao
- School of Life Science and Biotechnology
- Dalian University of Technology
- Dalian 116024
- China
| | - Jie Zheng
- Department of Chemical and Biomolecular Engineering
- The University of Akron
- Akron
- USA
| | - Lingyun Jia
- School of Life Science and Biotechnology
- Dalian University of Technology
- Dalian 116024
- China
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Wang X, Chen J, Lv C. Evaluation of foam surfactant for foam-flushing technique in remediation of DDT-contaminated soil using data envelopment analysis method. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2015; 22:2994-3003. [PMID: 25226831 DOI: 10.1007/s11356-014-3541-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2014] [Accepted: 09/01/2014] [Indexed: 06/03/2023]
Abstract
With an aim to select the most appropriate foaming surfactant for remediation of DDT-contaminated soil by foam-flushing technique, the performances of nonionic and anionic surfactant in several aspects were observed in this study. SDS had the best foam static characteristic among the four experimental surfactants. The solubilizing ability for DDT followed the order of Tween80 > TX100 > SDS > Brij35. The adsorption loss of SDS onto soil was the lowest. The order of desorption efficiency for DDT followed as TX-100 > Tween80 > Brij35 > SDS. Based on these experimental investigations, the overall performances of foaming surfactants were evaluated by data envelopment analysis method. The results indicated that SDS was the optimal alternative for remediation of DDT-contaminated soil by foam-flushing technique. This conclusion was reached with the consideration of the cost, foam static characteristic, surfactant adsorption loss, solubilizing ability, and desorption efficiency of surfactant for DDT.
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Affiliation(s)
- Xingwei Wang
- Key Laboratory for Water and Sediment Sciences of Ministry of Education, School of Environment, Beijing Normal University, Beijing, 100875, China
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Ma X, Luan Y, Liu S, Liu Y, Xia C. Remediation of DDTr contaminated soil by the combination of solvent extraction and catalytic hydrodechlorination. RSC Adv 2015. [DOI: 10.1039/c5ra01779c] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A combination technique for remediation of DDT and its metabolites (DDTr) contaminated soil based on successive steps of solvent extraction, followed by catalytic hydrodechlorination (HDC) was studied.
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Affiliation(s)
- Xuanxuan Ma
- Key Laboratory of Coastal Biology and Biological Resources Utilization
- Yantai Institute of Coastal Zone Research
- Chinese Academy of Sciences
- Yantai 264003
- China
| | | | - Sujing Liu
- Key Laboratory of Coastal Biology and Biological Resources Utilization
- Yantai Institute of Coastal Zone Research
- Chinese Academy of Sciences
- Yantai 264003
- China
| | - Ying Liu
- Key Laboratory of Coastal Biology and Biological Resources Utilization
- Yantai Institute of Coastal Zone Research
- Chinese Academy of Sciences
- Yantai 264003
- China
| | - Chuanhai Xia
- Key Laboratory of Coastal Biology and Biological Resources Utilization
- Yantai Institute of Coastal Zone Research
- Chinese Academy of Sciences
- Yantai 264003
- China
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Abstract
Interaction of NZVI with DDTr in soil-slurry system.
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Affiliation(s)
- Swatantra Pratap Singh
- Environmental Engineering and Management Programme
- Department of Civil Engineering
- Indian Institute of Technology Kanpur
- Kanpur – 208016
- India
| | - Purnendu Bose
- Environmental Engineering and Management Programme
- Department of Civil Engineering
- Indian Institute of Technology Kanpur
- Kanpur – 208016
- India
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12
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Liang Q, Lei M, Chen T, Yang J, Wan X, Yang S. Application of sewage sludge and intermittent aeration strategy to the bioremediation of DDT- and HCH-contaminated soil. J Environ Sci (China) 2014; 26:1673-1680. [PMID: 25108723 DOI: 10.1016/j.jes.2014.06.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2013] [Revised: 02/10/2014] [Accepted: 03/19/2014] [Indexed: 06/03/2023]
Abstract
Adding organic amendments to stimulate the biodegradation of pesticides is a subject of ongoing interest. The effect of sewage sludge on the bioremediation of dichlorodiphenyltrichloroethane (DDT) and hexachlorocyclohexane (HCH) contaminated soil was investigated in bench scale experiments, and intermittent aeration strategy was also used in this study to form an anaerobic-aerobic cycle. Bioremediation of DDT and HCH was enhanced with the addition of sewage sludge and the intermittent aeration. The removal rates of HCH and DDT were raised by 16.8%-80.8% in 10 days. Sewage sludge increased the organic carbon content from 6.2 to 218 g/kg, and it could also introduce efficient degradation microbes to soil, including Pseudomonas sp., Bacillus sp. and Sphingomonas sp. The unaerated phase enhanced the anaerobic dechlorination of DDT and HCH, and anaerobic removal rates of β-HCH, o,p'-DDT and p,p'-DDT accounted for more than 50% of the total removal rates, but the content of α-HCH declined more in the aerobic phase.
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Affiliation(s)
- Qi Liang
- Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China.
| | - Mei Lei
- Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China.
| | - Tongbin Chen
- Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
| | - Jun Yang
- Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
| | - Xiaoming Wan
- Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
| | - Sucai Yang
- Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
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