1
|
Ahmed AA, Morshedizad M, Kühn O, Leinweber P. Deciphering competitive interactions: Phosphate and organic matter binding on goethite through experimental and theoretical insights. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 940:173510. [PMID: 38806124 DOI: 10.1016/j.scitotenv.2024.173510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Revised: 05/21/2024] [Accepted: 05/23/2024] [Indexed: 05/30/2024]
Abstract
The adsorption of phosphorus (P) onto active soil surfaces plays a pivotal role in immobilizing P, thereby influencing soil fertility and the filter function of soil to protect freshwater systems from eutrophication. Competitive anions, such as organic matter (OM), significantly affect the strength of this P-binding, eventually controlling P mobility and release, but surprisingly, these processes are insufficiently understood at the molecular level. In this study, we provide a molecular-level perspective on the influence of OM on P binding at the goethite-water interface using a combined experimental-theoretical approach. By examining the impact of citric acid (CIT) and histidine (HIS) on the adsorption of orthophosphate (OP), glycerol phosphate (GP), and inositol hexaphosphate (IHP) through adsorption experiments and molecular dynamics simulations, we address fundamental questions regarding P binding trends, OM interaction with the goethite surface, and the effect of OM on P adsorption. Our findings reveal the complex nature of P adsorption on goethite surfaces, where the specific OM, treatment conditions (covering the surface with OM or simultaneous co-adsorption), and initial concentrations collectively shape these interactions. P adsorption on goethite exhibits a binding strength increasing in the order of GP < OP < IHP. Crucially, this trend remains consistent across all adsorption experiments, regardless of the presence or absence of OM, CIT, or HIS, and irrespective of the specific treatment method. Notably, OP is particularly susceptible to inhibition by OM, while adsorption of GP depends on specific OM treatments. Despite being less sensitive to OM, IHP shows reduced adsorption, especially at higher initial P concentrations. Of significance is the strong inhibitory effect of CIT, particularly evident when the surface is pre-covered, resulting in a substantial 70 % reduction in OP adsorption compared to bare goethite. The sequence of goethite binding affinity to P and OM underscores a higher affinity of CIT and HIS compared to OP and GP, suggesting that OM can effectively compete with both OP and GP and replace them at the surface. In contrast, the impact of OM on IHP adsorption appears insignificant, as IHP exhibits a higher affinity than both CIT and HIS towards the goethite surface. The coverage of goethite surfaces with OM results in the blocking of active sites and the generation of an unfavorable electric potential and field, inhibiting anion adsorption and consequently reducing P binding. It is noteworthy that electrostatic interactions predominantly contribute more to the binding of P and OM to the surface compared to dispersion interactions.
Collapse
Affiliation(s)
- Ashour A Ahmed
- Institute of Physics, University of Rostock, Albert-Einstein-Str. 23-24, D-18059 Rostock, Germany.
| | - Mohsen Morshedizad
- Chair of Soil Science, University of Rostock, Justus-von-Liebig-Weg 6, D-18059 Rostock, Germany
| | - Oliver Kühn
- Institute of Physics, University of Rostock, Albert-Einstein-Str. 23-24, D-18059 Rostock, Germany
| | - Peter Leinweber
- Chair of Soil Science, University of Rostock, Justus-von-Liebig-Weg 6, D-18059 Rostock, Germany
| |
Collapse
|
2
|
Wang F, Xu J, Xu Y, Chen H, Liang Y, Xiong J. Face-dependent phosphate speciation on goethite: CD-MUSIC modeling and ATR-FTIR/2D-COS study. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 915:169970. [PMID: 38220014 DOI: 10.1016/j.scitotenv.2024.169970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Revised: 12/07/2023] [Accepted: 01/04/2024] [Indexed: 01/16/2024]
Abstract
Understanding the face-dependent phosphate adsorption mechanisms and their variations with environmental conditions is of great significance for revealing phosphate adsorption mechanisms on various goethites and predicting phosphorus speciation in iron-rich soils. In this study, micro- (MicroGoe) and nano-sized goethite (NanoGoe) were synthesized and used to investigate the face-dependent adsorption behaviors of proton and phosphate on goethite by combining the charge distribution-multisite surface complexation (CD-MUSIC) model and attenuated total reflectance Fourier transform infrared (ATR-FTIR). The results demonstrated that MicroGoe had a higher charge density and phosphate adsorption capacity than NanoGoe, which could be attributed to the higher site density of ≡FeOH-0.5 and inner-layer capacitance arising from a higher proportion of capping face and rougher surface of MicroGoe. The logKH of ≡FeOH-0.5 on the main and capping face was 8.2 and 8.9, respectively. Three types of monodentate mononuclear phosphate complexes in different protonated states were identified, along with the non-protonated bidentate complex. Protonated monodentate complexes were formed at relatively low pH and high surface loadings, whereas non-protonated complexes were the predominant species at intermediate to high pH. MicroGoe had a higher percentage of monodentate complexes than NanoGoe, and both goethites had considerably lower phosphate adsorption on the capping face than on the main face. The results provide valuable insights into the interfacial reactivity of goethite prepared with various methods and facilitate further prediction of phosphorus speciation and availability in iron-rich soils.
Collapse
Affiliation(s)
- Feng Wang
- College of Geography and Environment, Shandong Normal University, Jinan 250358, PR China
| | - Jinling Xu
- College of Geography and Environment, Shandong Normal University, Jinan 250358, PR China.
| | - Yun Xu
- State Environmental Protection Key Laboratory of Soil Health and Green Remediation, College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Hongfeng Chen
- College of Hydraulic & Environmental Engineering, China Three Gorges University, Yichang 443002, PR China
| | - Yu Liang
- Tropical Crops Genetic Resources Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, PR China
| | - Juan Xiong
- State Environmental Protection Key Laboratory of Soil Health and Green Remediation, College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, PR China
| |
Collapse
|
3
|
Jin J, Liang Y, Wang M, Fang L, Xiong J, Hou J, Tan W, Koopal L. Generic CD-MUSIC-eSGC model parameters to predict the surface reactivity of iron (hydr)oxides. WATER RESEARCH 2023; 230:119534. [PMID: 36628867 DOI: 10.1016/j.watres.2022.119534] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2022] [Revised: 12/23/2022] [Accepted: 12/25/2022] [Indexed: 06/17/2023]
Abstract
The surface reactivity of iron (hydr)oxides plays a crucial role in controlling their interfacial reactions, for which various surface complexation models have been developed. The diversity of mineralogical properties of iron (hydr)oxides has resulted in a redundancy of model parameters, which hampers the modeling of iron (hydr)oxides in soils and sediments, where goethite, hematite and ferrihydrite dominate the iron (hydr)oxide mass fraction. To capture their combined surface reactivity, optimized generic protonation parameters of the Charge Distribution-Multisite Complexation (CD-MUSIC) extended-Stern-Gouy-Chapman (eSGC) model were derived by reanalyzing literature datasets and tested with some newly synthesized iron (hydr)oxides. It was observed that the proton and monovalent ion affinity constants of the different iron (hydr)oxides were located in a narrow range. For the singly- and triply-coordinated hydroxyl sites the obtained generic log(affinity constants) were 8.3 and 11.7 for the protonation reaction and -0.5 for the reaction with the monovalent background ions. Their combination with fixed site densities of singly-/triply-coordinated hydroxyl sites of 3.45/2.70, 5.00/2.50, and 5.80/1.40 sites/nm2 for goethite, hematite, and ferrihydrite, respectively, provided good results. The Stern layer capacitances of the inner and outer Stern layers were set equal and could be acquired by an empirical correlation with the sample specific surface area (SSA). The CD-MUSIC-eSGC model with the generic model parameters enables good quality predictions of the proton reactivity of iron (hydr)oxides in 1:1 electrolyte solutions regardless of the sample heterogeneity. The advantages of the generic CD-MUSIC-eSGC model are twofold: (1) protonation of iron (hydr)oxides can be described without making use of spectroscopic measurements and proton titrations, and (2) the model calculations are greatly simplified.
Collapse
Affiliation(s)
- Jiezi Jin
- State Environmental Protection Key Laboratory of Soil Health and Green Remediation, College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Yu Liang
- Tropical Crops Genetic Resources Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, PR China
| | - Mingxia Wang
- State Environmental Protection Key Laboratory of Soil Health and Green Remediation, College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Linchuan Fang
- State Environmental Protection Key Laboratory of Soil Health and Green Remediation, College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Juan Xiong
- State Environmental Protection Key Laboratory of Soil Health and Green Remediation, College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, PR China.
| | - Jingtao Hou
- State Environmental Protection Key Laboratory of Soil Health and Green Remediation, College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Wenfeng Tan
- State Environmental Protection Key Laboratory of Soil Health and Green Remediation, College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Luuk Koopal
- Physical Chemistry and Soft Matter, Wageningen University and Research, P.O. Box 8038, 6703 HB Wageningen, the Netherlands
| |
Collapse
|
4
|
Thermodynamic Study of Phosphate Adsorption and Removal from Water Using Iron Oxyhydroxides. WATER 2022. [DOI: 10.3390/w14071163] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
Abstract
Iron oxyhydroxides (FeOOHs) appear to be the optimal group of materials among inorganic adsorbents for the removal of phosphates from water, providing significant adsorption capacities. This research work presents a thermodynamic study of phosphate adsorption by examining five different FeOOHs sorbent nanomaterials. The otablebtained results indicated that the adsorption process in these cases was spontaneous. When the experiments were performed using distilled water, akageneite (GEH), schwertmannite, and tetravalent manganese feroxyhyte (AquAsZero), displaying ΔH° values of 31.2, 34.7, and 7.3 kJ/mole, respectively, presented an endothermic adsorption process, whereas for goethite (Bayoxide) and lepidocrocite, with ΔH° values of −11.4 and −7.7 kJ/mole, respectively, the adsorption process proved to be exothermic. However, when an artificial (according to NSF) water matrix was used, GEH, schwertmannite, lepidocrocite, and AquAsZero presented ΔH° values of 13.2, 3.3, 7.7, and 3.3 kJ/mole, respectively, indicative of an endothermic process, while only for Bayoxide, with ΔH° of −17 kJ/mole, the adsorption remained exothermic. The adsorption enthalpy values generally decreased with the NSF water matrix, probably due to the competition for the same adsorption sites by other co-existing anions as well to the possible formation of soluble phosphate complexes with calcium; however, an overall positive effect on the uptake of phosphates was observed.
Collapse
|
5
|
Lin Z, Tang J, Huang X, Chen JP. Gadolinium(III) terephthalate metal-organic framework for rapid sequestration of phosphate in 10 min: Material development and adsorption study. CHEMOSPHERE 2022; 292:133498. [PMID: 34979208 DOI: 10.1016/j.chemosphere.2021.133498] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 12/28/2021] [Accepted: 12/30/2021] [Indexed: 06/14/2023]
Abstract
Phosphorus with concentration above a few ppm in waters can easily cause eutrophication and poor water quality (e.g. algal blooming). In this study, we synthesized a non-porous gadolinium terephthalic acid (Gd-PTA) metal-organic framework (MOF) for efficient and rapid removal of phosphorus. Gd-PTA was prepared with gadolinium as the core metal center and terephthalic acid as the organic ligand, by which a well defined structure of new MOF was established. The adsorption isotherm and kinetics were well described by Langmuir isotherm equation and the intraparticle surface diffusion model, respectively. The maximum adsorption capacity was as high as 206.13- PO43- mg/g, which outperforms many reported and/or commercially available adsorbents (normmaly 5-150 PO43- mg/g). The adsorption was completed at the end of 10-min contact time, much faster than many reported adsorbents for uptake of anions (normmaly hours to days). The MOF performed very well in the uptake in phosphate containing solution with initial pH 3 to 9 and ionic strength (NaNO3) of 0-1 M, and in the presences of competiting sulphate, nitrate, carbonate and humic acid (each with 30, 50, and 100 mg/L). The absorption of phosphate was mainly controlled by ion exchange between phosphate and organic ligand of MOF as well as the interaction between unsaturated metal center of coordination and phosphate. This study demonstrates that the newly developed MOF reported here is a promising adsorbent for cost-effective treatment of phosphorus in water and wastewater.
Collapse
Affiliation(s)
- Zhihong Lin
- Chemistry and Chemical Engineering Guangdong Laboratory, Guangdong, China; Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Guangdong, China
| | - Jiali Tang
- Chemistry and Chemical Engineering Guangdong Laboratory, Guangdong, China; Technion-Israel Institute of Technology, Department of Chemical Engineering, Haifa, Israel
| | - Xiaochun Huang
- Chemistry and Chemical Engineering Guangdong Laboratory, Guangdong, China; Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Guangdong, China
| | - J Paul Chen
- Department of Civil and Environmental Engineering, National University of Singapore, 10 Kent Ridge, Singapore.
| |
Collapse
|
6
|
Chen P, Song D, Zhang X, Xie Q, Zhou Y, Liu H, Xu L, Chen T, Rosso KM. Understanding Competitive Phosphate and Silicate Adsorption on Goethite by Connecting Batch Experiments with Density Functional Theory Calculations. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2022; 56:823-834. [PMID: 35038870 DOI: 10.1021/acs.est.1c03629] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Despite the biogeochemical importance of phosphate fate and transport in aquatic environments, little is known about how competition with other common aqueous oxyanions affects its retention by mineral surfaces. Here, we examined the competitive uptake of phosphate and silicate on goethite over a wide pH range, using batch measurements supported by DFT calculations. The results show selective adsorption of phosphate at pH < 4 and silicate at pH > 10 with little to no competitive effect. However, between 4 < pH < 10, the total phosphate and silicate loading was found to be almost equal to that of silicate loading from single-component solution, revealing a proportionate competition for surface site types and a competitive effect controlling their mutual retention. DFT-calculated adsorption energies and charge density redistributions for various surface complexes on different charged (101) and (210) facets are consistent with the trends observed in batch measurements, suggesting that the observed behavior reflects the primary controlling influence of goethite surface chemistry at the molecular scale. An important implication is that at the circumneutral pH in most environmental systems, where iron oxyhydroxides comprise much of the reactive interfacial area, unbound phosphate concentrations may be strongly controlled by dissolved silicate concentration, and vice versa.
Collapse
Affiliation(s)
- Ping Chen
- Key Laboratory of Nano-minerals and Pollution Control of Anhui Higher Education Institutes, School of Resources and Environmental Engineering, Hefei University of Technology, Hefei, Anhui 230009, China
- Physical & Computational Science Directorate, Pacific Northwest National Laboratory, Richland, Washington 99354, United State
| | - Duo Song
- Physical & Computational Science Directorate, Pacific Northwest National Laboratory, Richland, Washington 99354, United State
| | - Xin Zhang
- Physical & Computational Science Directorate, Pacific Northwest National Laboratory, Richland, Washington 99354, United State
| | - Qiaoqin Xie
- Key Laboratory of Nano-minerals and Pollution Control of Anhui Higher Education Institutes, School of Resources and Environmental Engineering, Hefei University of Technology, Hefei, Anhui 230009, China
| | - Yuefei Zhou
- Key Laboratory of Nano-minerals and Pollution Control of Anhui Higher Education Institutes, School of Resources and Environmental Engineering, Hefei University of Technology, Hefei, Anhui 230009, China
| | - Haibo Liu
- Key Laboratory of Nano-minerals and Pollution Control of Anhui Higher Education Institutes, School of Resources and Environmental Engineering, Hefei University of Technology, Hefei, Anhui 230009, China
| | - Liang Xu
- Key Laboratory of Nano-minerals and Pollution Control of Anhui Higher Education Institutes, School of Resources and Environmental Engineering, Hefei University of Technology, Hefei, Anhui 230009, China
| | - Tianhu Chen
- Key Laboratory of Nano-minerals and Pollution Control of Anhui Higher Education Institutes, School of Resources and Environmental Engineering, Hefei University of Technology, Hefei, Anhui 230009, China
| | - Kevin M Rosso
- Physical & Computational Science Directorate, Pacific Northwest National Laboratory, Richland, Washington 99354, United State
| |
Collapse
|
7
|
Zhang X, Yao H, Lei X, Lian Q, Roy A, Doucet D, Yan H, Zappi ME, Gang DD. A comparative study for phosphate adsorption on amorphous FeOOH and goethite (α-FeOOH): An investigation of relationship between the surface chemistry and structure. ENVIRONMENTAL RESEARCH 2021; 199:111223. [PMID: 33991571 DOI: 10.1016/j.envres.2021.111223] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2021] [Revised: 04/10/2021] [Accepted: 04/22/2021] [Indexed: 06/12/2023]
Abstract
Eutrophication is generally caused by excess nitrogen and phosphorus being released into surface waters by runoff. Developing adsorbents for adsorbing phosphate within soil buffer zones and/or water treatment columns may be effective methods to mitigate this problem. In this study, an amorphous FeOOH (AF) and a well-crystallized α-FeOOH (CF) was formulated to compare phosphate adsorption behavior. The physicochemical properties between these species showed significant differences in morphology, crystallization, zeta potential, and specific surface area. The AF exhibited higher phosphate uptake than CF. X-ray photoelectron spectroscopy (XPS) verified that the hydroxyl groups within AF were 13.28% higher than that in CF. The triply coordinated hydroxyl groups (μ3-OH) associated with AF and CF appeared at different positions as shown in the diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS) analyses, confirming that AF contains more adsorption reactive sites (μ3-OH). Mechanisms for monodentate formations and a stable six-member ring structure were proposed. The X-ray absorption near the edge structure (XANES) and XPS results suggested that the iron valence in AF was dominated by Fe (III). XANES also demonstrated that the amorphous structure found in the AF was caused by the disordered tetrahedron and octahedron alignments, leading to a higher phosphate adsorption.
Collapse
Affiliation(s)
- Xu Zhang
- School of Civil Engineering, Beijing International Scientific and Technological Cooperation Base of Water Pollution Control Techniques for Antibiotics and Resistance Genes, Beijing Jiaotong University, 3 Shangyuancun, Beijing, 100044, PR China; Department of Civil Engineering, University of Louisiana at Lafayette, Lafayette, LA, 70504, USA
| | - Hong Yao
- School of Civil Engineering, Beijing International Scientific and Technological Cooperation Base of Water Pollution Control Techniques for Antibiotics and Resistance Genes, Beijing Jiaotong University, 3 Shangyuancun, Beijing, 100044, PR China.
| | - Xiaobo Lei
- Department of Civil Engineering, University of Louisiana at Lafayette, Lafayette, LA, 70504, USA
| | - Qiyu Lian
- Department of Civil Engineering, University of Louisiana at Lafayette, Lafayette, LA, 70504, USA
| | - Amitava Roy
- The J. Bennett Johnston, Sr., Center for Advanced Microstructures and Devices (CAMD), Baton Rouge, LA, 70806, USA
| | - Dana Doucet
- The J. Bennett Johnston, Sr., Center for Advanced Microstructures and Devices (CAMD), Baton Rouge, LA, 70806, USA
| | - Hui Yan
- Department of Chemical Engineering, University of Louisiana at Lafayette, Lafayette, LA, 70504, USA
| | - Mark E Zappi
- Department of Chemical Engineering, University of Louisiana at Lafayette, Lafayette, LA, 70504, USA
| | - Daniel Dianchen Gang
- Department of Civil Engineering, University of Louisiana at Lafayette, Lafayette, LA, 70504, USA.
| |
Collapse
|
8
|
Zhang J, Zhang Y, Zhao W, Li Z, Zang L. Facile Fabrication of Calcium-Doped Carbon for Efficient Phosphorus Adsorption. ACS OMEGA 2021; 6:327-339. [PMID: 33458484 PMCID: PMC7807776 DOI: 10.1021/acsomega.0c04642] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Accepted: 12/15/2020] [Indexed: 06/12/2023]
Abstract
High phosphorus concentrations mainly result in environmental problems such as agricultural pollution and eutrophication, which have great negative influence on many natural water bodies. In this work, calcium lignosulfonate was employed to produce calcium-doped char at 400 and 800 °C. To compare the phosphorus adsorption behaviors of the two carbon materials, batch adsorption experiments were conducted in a phosphorus microenvironment. The factors including the initial solution pH, phosphorus concentration, and adsorbent amount were considered, and the main characteristics of calcium-doped chars before and after adsorption were assessed. The results revealed that the phosphorus removal processes fitted both the Freundlich and pseudo-second-order-kinetic models. According to the Langmuir model, the maximum adsorption capacities of the two adsorbents obtained at 400 and 800 °C toward phosphorus (50 °C) were 53.22 and 17.77 mg/g adsorbent, respectively. The former was rich in calcium carbonate (CaCO3) and hydroxyl and carboxyl groups, and it mainly served as a precipitant and a chelating agent, while the latter with a high surface area was dominant in P adsorption.
Collapse
|
9
|
Baquy MAA, Jiang J, Xu R. Biochars derived from crop straws increased the availability of applied phosphorus fertilizer for maize in Ultisol and Oxisol. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:5511-5522. [PMID: 31848971 DOI: 10.1007/s11356-019-06695-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Accepted: 10/03/2019] [Indexed: 06/10/2023]
Abstract
The extensive use of phosphorus (P) fertilizer is a common practice due to the suboptimal P in variable charge soils for better crop growth. The aim of this study was to increase our understandings and disclose the mechanisms for increase in P availability in Ultisol and Oxisol by biochars derived from crop straws. Incubation and greenhouse pot experiments were conducted to attain the objective. Results from incubation study indicated that biochars derived from different crop straws increased P recovery in both Ultisol and Oxisol. Biochars increased the repulsion of soil surface to phosphate (PO43-) anions due to increased soil CEC, and thus increased P recovery; acidic functional groups on biochars competed for soil sorption sites with PO43-, and thus increased P recovery. While the formation of insoluble PO43- with divalent cations of calcium (Ca) and magnesium (Mg) from the biochars reduced P recovery. P recovery was increased with increasing soil pH and biochar application rate for each biochar type. The lower content of Ca2+ and Mg2+ in rice straw biochar led to greater increase in P recovery than canola and peanut straw biochars. When two soils were compared with each other, P recovery was higher in Ultisol than Oxisol due to the presence of large amount of Fe and Al oxides in Oxisol. Results from pot experiment showed that plant dry matter yield and P recovery by maize were increased with increasing rate of rice straw biochar applied over control. Therefore, application of P fertilizer in rice straw biochar-amended soils will increase P availability to crops and thus crop yields in variable charge soils.
Collapse
Affiliation(s)
- M Abdulaha-Al Baquy
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, P.O. Box 821, Nanjing, China
- College of Advanced Agricultural Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Jun Jiang
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, P.O. Box 821, Nanjing, China
| | - Renkou Xu
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, P.O. Box 821, Nanjing, China.
| |
Collapse
|
10
|
Technological Challenges of Phosphorus Removal in High-Phosphorus Ores: Sustainability Implications and Possibilities for Greener Ore Processing. SUSTAINABILITY 2019. [DOI: 10.3390/su11236787] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
With the present rates of iron ore consumption, currently unusable, high-phosphorus iron ore deposits are likely to be the iron ores of the future as higher-grade iron ore reserves are depleted. Consequently, the design and timely development of environmentally-benign processes for the simultaneous beneficiation of high-phosphorus iron ores and phosphorus recovery, currently a technological challenge, might soon become a sustainability challenge. To stimulate interest in this area, phosphorus adsorption and association in iron oxides/hydroxyoxides, and current efforts at its removal, have been reviewed. The important properties of the most relevant crystalline phosphate phases in iron ores are highlighted, and insights provided on plausible routes for the development of sustainable phosphorus recovery solutions from high-phosphorus iron ores. Leveraging literature information from geochemical investigations into phosphorus distribution, speciation, and mobility in various natural systems, key knowledge gaps that are vital for the development of sustainable phosphorus removal/recovery strategies and important factors (white spaces) not yet adequately taken into consideration in current phosphorus removal/recovery solutions are highlighted, and the need for their integration in the development of future phosphorus removal/recovery solutions, as well as their plausible impacts on phosphorus removal/recovery, are put into perspective.
Collapse
|
11
|
Chen M, Alim N, Zhang Y, Xu N, Cao X. Contrasting effects of biochar nanoparticles on the retention and transport of phosphorus in acidic and alkaline soils. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2018; 239:562-570. [PMID: 29698906 DOI: 10.1016/j.envpol.2018.04.050] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2018] [Revised: 04/09/2018] [Accepted: 04/09/2018] [Indexed: 05/24/2023]
Abstract
Land application of biomass-derived biochar has been increasingly recommended as a beneficial soil amendment for nutrients (such as N, P) retention. However, the small-scale biochar particles, especially those in the nano-scale range, may carry nutrients downward the soil profile, reducing nutrition retention and posing a potential risk to the groundwater. In this study, column experiments were conducted to investigate the retention and transport of phosphorus (P) in two acidic and two alkaline soils as affected by wood chip-derived biochar nanoparticles (NPs). In acidic paddy and red soils, biochar NPs facilitated the retention of P, increasing by about 24% and 16%, respectively, compared to the biochar absence. It is because biochar NPs stabilize soil Fe/Al oxides and dissolved organic carbon (DOC), thereby reducing the release of Fe/Al oxides- and DOC-associated P. In contrast, in alkaline huangmian and chao soils, retention of P was reduced in the presence of biochar NPs, decreasing by about 23% and 18%, respectively. It was mainly due to the increased transport of Fe/Al oxides-associated P in effluents. Moreover, biochar NPs could also act as a P carrier, mediating the retention of P. The diffusive gradients in thin films provided in-suit measurement of labile P in soil profiles, showing much lower labile P from retained P in acidic soils than that from alkaline soils though the labile P with biochar NPs presence was increased in all soils. Our findings indicate that biochar NPs have contrasting effects on the retention of P in acidic and alkaline soils, implying the cautious land applications of biochar for nutrients retention in soils with different acidities.
Collapse
Affiliation(s)
- Ming Chen
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Nurguzal Alim
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Yitao Zhang
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Nan Xu
- Jiangsu Key Laboratory of Environmental Functional Materials, School of Chemistry Biology and Material Engineering, Suzhou University of Science and Technology, Suzhou, 215009, China
| | - Xinde Cao
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai, 200092, China.
| |
Collapse
|
12
|
Dai J, Wang W, Wu W, Gao J, Dong C. Adsorption and desorption of Cu 2+ on paddy soil aggregates pretreated with different levels of phosphate. J Environ Sci (China) 2017; 55:311-320. [PMID: 28477826 DOI: 10.1016/j.jes.2016.06.037] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2015] [Revised: 12/02/2015] [Accepted: 06/27/2016] [Indexed: 06/07/2023]
Abstract
Interactions between anions and cations are important for understanding the behaviors of chemical pollutants and their potential risks in the environment. Here we prepared soil aggregates of a yellow paddy soil from the Taihu Lake region, and investigated the effects of phosphate (P) pretreatment on adsorption-desorption of Cu2+ of soil aggregates, free iron oxyhydrates-removed soil aggregates, goethite, and kaolinite with batch adsorption method. The results showed that Cu2+ adsorption was reduced on the aggregates pretreated with low concentrations of P, and promoted with high concentrations of P, showing a V-shaped change. Compared with the untreated aggregates, the adsorption capacity of Cu2+ was reduced when P application rates were lower than 260, 220, 130 and 110mg/kg for coarse, clay, silt and fine sand fractions, respectively. On the contrary, the adsorption capacity of Cu2+ was higher on P-pretreated soil aggregates than on the control ones when P application rates were greater than those values. However, the desorption of Cu2+ was enhanced at low levels of P, but suppressed at high levels of P, displaying an inverted V-shaped change over P adsorption. The Cu2+ adsorption by the aggregate particles with and without P pretreatments was well described by the Freundlich equation. Similar results were obtained on P-pretreated goethite. However, such P effects on Cu2+ adsorption-desorption were not observed on kaolinite and free iron oxyhydrates-removed soil aggregates. The present results indicate that goethite is one of the main soil substances responsible for the P-induced promotion and inhibition of Cu2+ adsorption.
Collapse
Affiliation(s)
- Jun Dai
- College of Sciences, Nanjing Agricultural University, Nanjing 210095, China.
| | - Wenqin Wang
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Wenchen Wu
- South China Institute of Environmental Sciences, Ministry of Environmental Protection, Guangzhou 510655, China
| | - Jianbo Gao
- College of Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Changxun Dong
- College of Sciences, Nanjing Agricultural University, Nanjing 210095, China.
| |
Collapse
|
13
|
Kaur T, Ghosh M. Acinetobacter haemolyticus MG606 produces a novel, phosphate binding exobiopolymer. Carbohydr Polym 2015; 132:72-9. [DOI: 10.1016/j.carbpol.2015.06.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2015] [Revised: 05/26/2015] [Accepted: 06/01/2015] [Indexed: 01/14/2023]
|
14
|
Liu X, Zhou Y, Hao J, Du J. Smoke and toxicity suppression by zinc salts in flame-retardant polyurethane-polyisocyanurate foams filled with phosphonate and chlorinated phosphate. J Appl Polym Sci 2014. [DOI: 10.1002/app.41846] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Xiu Liu
- National Laboratory of Flame Retardant Materials; National Engineering and Technology Research Center of Flame Retardant Materials, School of Materials Science and Engineering, Beijing Institute of Technology; Beijing 100081 People's Republic of China
| | - You Zhou
- National Laboratory of Flame Retardant Materials; National Engineering and Technology Research Center of Flame Retardant Materials, School of Materials Science and Engineering, Beijing Institute of Technology; Beijing 100081 People's Republic of China
| | - Jianwei Hao
- National Laboratory of Flame Retardant Materials; National Engineering and Technology Research Center of Flame Retardant Materials, School of Materials Science and Engineering, Beijing Institute of Technology; Beijing 100081 People's Republic of China
| | - Jianxin Du
- National Laboratory of Flame Retardant Materials; National Engineering and Technology Research Center of Flame Retardant Materials, School of Materials Science and Engineering, Beijing Institute of Technology; Beijing 100081 People's Republic of China
| |
Collapse
|
15
|
Liu H, Chen T, Qing C, Xie Q, Frost RL. Confirmation of the assignment of vibrations of goethite: an ATR and IES study of goethite structure. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2013; 116:154-159. [PMID: 23933552 DOI: 10.1016/j.saa.2013.06.102] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2013] [Revised: 06/24/2013] [Accepted: 06/27/2013] [Indexed: 06/02/2023]
Abstract
Transmission electron microscopy (TEM), field emission scanning electron microscopy (FE-SEM/EDS) and X-ray diffraction (XRD) were used to characterize the morphology of synthetic goethite. The behavior of the hydroxyl/water molecular units of goethite and its thermally treated products were characterized using Fourier transform-infrared emission spectroscopy (FT-IES) and attenuated total reflectance-Fourier transform infrared (ATR-FTIR) spectroscopy. The results showed that all the expected vibrational bands between 4000 and 650 cm(-1) including the resolved bands (3800-2200 cm(-1)) were confirmed. A band attributed to a new type of hydroxyl unit was found at 3708 cm(-1) and assigned to the FeO-H stretching vibration without hydrogen bonding. This hydroxyl unit was retained up to the thermal treatment temperature of 500 °C. On the whole, seven kinds of hydroxyl units, involving three surface hydroxyls, a bulk hydroxyl, a FeO-H without hydrogen bonding, a nonstoichiometric hydroxyl and a reversed hydroxyl were observed, and three kinds of adsorbed water were found in/on goethite.
Collapse
Affiliation(s)
- Haibo Liu
- School of Resources & Environmental Engineering, Hefei University of Technology, China; School of Chemistry, Physics and Mechanical Engineering, Science and Engineering Faculty, Queensland University of Technology, Australia
| | | | | | | | | |
Collapse
|
16
|
The effect of hydroxyl groups and surface area of hematite derived from annealing goethite for phosphate removal. J Colloid Interface Sci 2013; 398:88-94. [DOI: 10.1016/j.jcis.2013.02.016] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2012] [Revised: 02/04/2013] [Accepted: 02/08/2013] [Indexed: 11/15/2022]
|
17
|
Kubicki JD, Paul KW, Kabalan L, Zhu Q, Mrozik MK, Aryanpour M, Pierre-Louis AM, Strongin DR. ATR-FTIR and density functional theory study of the structures, energetics, and vibrational spectra of phosphate adsorbed onto goethite. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2012; 28:14573-14587. [PMID: 22985265 DOI: 10.1021/la303111a] [Citation(s) in RCA: 85] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Periodic plane-wave density functional theory (DFT) and molecular cluster hybrid molecular orbital-DFT (MO-DFT) calculations were performed on models of phosphate surface complexes on the (100), (010), (001), (101), and (210) surfaces of α-FeOOH (goethite). Binding energies of monodentate and bidentate HPO(4)(2-) surface complexes were compared to H(2)PO(4)(-) outer-sphere complexes. Both the average potential energies from DFT molecular dynamics (DFT-MD) simulations and energy minimizations were used to estimate adsorption energies for each configuration. Molecular clusters were extracted from the energy-minimized structures of the periodic systems and subjected to energy reminimization and frequency analysis with MO-DFT. The modeled P-O and P---Fe distances were consistent with EXAFS data for the arsenate oxyanion that is an analog of phosphate, and the interatomic distances predicted by the clusters were similar to those of the periodic models. Calculated vibrational frequencies from these clusters were then correlated with observed infrared bands. Configurations that resulted in favorable adsorption energies were also found to produce theoretical vibrational frequencies that correlated well with experiment. The relative stability of monodentate versus bidentate configurations was a function of the goethite surface under consideration. Overall, our results show that phosphate adsorption onto goethite occurs as a variety of surface complexes depending on the habit of the mineral (i.e., surfaces present) and solution pH. Previous IR spectroscopic studies may have been difficult to interpret because the observed spectra averaged the structural properties of three or more configurations on any given sample with multiple surfaces.
Collapse
Affiliation(s)
- James D Kubicki
- Department of Geosciences, The Pennsylvania State University, University Park, Pennsylvania 16802, USA.
| | | | | | | | | | | | | | | |
Collapse
|
18
|
Rodrigues LA, Maschio LJ, Coppio LDSC, Thim GP, da Silva MLCP. Adsorption of phosphate from aqueous solution by hydrous zirconium oxide. ENVIRONMENTAL TECHNOLOGY 2012; 33:1345-1351. [PMID: 22856308 DOI: 10.1080/09593330.2011.632651] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Synthetic ZrO2 x nH2O was used for phosphate removal from aqueous solution. The optimum adsorbent dose obtained for phosphate adsorption on to hydrous zirconium oxide was 0.1 g. The kinetic process was described very well by a pseudo-second-order rate model. The phosphate adsorption tended to increase with the decrease in pH. The adsorption capacity increased from 61 to 66 mg g(-1) when the temperature was increased from 298 to 338 K. A phosphate desorption of approximately 74% was obtained using water at pH 12.
Collapse
Affiliation(s)
- Liana Alvares Rodrigues
- lnstituto Tecnológico de Aeronáutica-ITA/CTA, Praça Mal. Eduardo Gomes 50, CEP 12228-900, São José dos Campos, São Paulo, Brazil.
| | | | | | | | | |
Collapse
|
19
|
Gallo E, Schartel B, Acierno D, Russo P. Flame retardant biocomposites: Synergism between phosphinate and nanometric metal oxides. Eur Polym J 2011. [DOI: 10.1016/j.eurpolymj.2011.04.001] [Citation(s) in RCA: 84] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
|
20
|
Adsorption of phosphate species on poly-oriented Pt and Pt(1 1 1) electrodes over a wide range of pH. Electrochim Acta 2010. [DOI: 10.1016/j.electacta.2010.04.009] [Citation(s) in RCA: 91] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
|
21
|
Rodrigues LA, da Silva MLCP. Adsorption kinetic, thermodynamic and desorption studies of phosphate onto hydrous niobium oxide prepared by reverse microemulsion method. ADSORPTION 2010. [DOI: 10.1007/s10450-010-9220-7] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
|
22
|
Guo Z, Li Y, Wu W. Sorption of U(VI) on goethite: Effects of pH, ionic strength, phosphate, carbonate and fulvic acid. Appl Radiat Isot 2009; 67:996-1000. [DOI: 10.1016/j.apradiso.2009.02.001] [Citation(s) in RCA: 63] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2008] [Revised: 01/11/2009] [Accepted: 02/05/2009] [Indexed: 11/29/2022]
|
23
|
Rodrigues LA, da Silva MLCP. An investigation of phosphate adsorption from aqueous solution onto hydrous niobium oxide prepared by co-precipitation method. Colloids Surf A Physicochem Eng Asp 2009. [DOI: 10.1016/j.colsurfa.2008.10.023] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
|
24
|
Guo Z, Wang S, Shi K, Wu W. Experimental and modeling studies of Eu(III) sorption on TiO2. RADIOCHIM ACTA 2009. [DOI: 10.1524/ract.2009.1625] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
|
25
|
Biswas BK, Inoue K, Ghimire KN, Harada H, Ohto K, Kawakita H. Removal and recovery of phosphorus from water by means of adsorption onto orange waste gel loaded with zirconium. BIORESOURCE TECHNOLOGY 2008; 99:8685-8690. [PMID: 18524574 DOI: 10.1016/j.biortech.2008.04.015] [Citation(s) in RCA: 86] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2007] [Revised: 04/02/2008] [Accepted: 04/06/2008] [Indexed: 05/26/2023]
Abstract
Orange waste, an available biomass, was immobilized with zirconium(IV) to investigate its feasibility for phosphate removal from an aquatic environment. Kinetics, effects of pH and foreign anions, and the adsorption isotherm for phosphate have been examined. The adsorption capacity has been compared to that of two commercially available adsorbents such as zirconium ferrite and MUROMAC XMC 3614. The prepared gel was an effective adsorption gel for phosphate removal with a reasonably high sorption capacity of 57mg-P/g, which was four times higher than that of zirconium ferrite. The highest removal of phosphate was observed at low pH, whereas higher pH suppressed phosphate removal, but even up to pH 9 more than 85% phosphate removal was observed. Adsorbed phosphate was eluted by NaOH solution. Fixed bed column-mode experiments confirmed the complete adsorption of phosphate in continuous-mode operation. Throughout the operating conditions, zirconium was not leaked.
Collapse
Affiliation(s)
- Biplob K Biswas
- Department of Applied Chemistry, Saga University, Saga 840-8502, Japan
| | | | | | | | | | | |
Collapse
|
26
|
Jiang J, Xu R, Wang Y, Zhao A. The mechanism of chromate sorption by three variable charge soils. CHEMOSPHERE 2008; 71:1469-1475. [PMID: 18291439 DOI: 10.1016/j.chemosphere.2007.12.012] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2007] [Revised: 12/02/2007] [Accepted: 12/03/2007] [Indexed: 05/25/2023]
Abstract
Adsorption of chromate and desorption of the pre-adsorbed chromate were studied using three representative variable charge soils from the south of China. The mechanisms of the adsorption were discussed based on the hydroxyl release and the change of zeta potential during the chromate adsorption. The adsorption and desorption of chromate followed the same order: the Hyper-Rhodic Ferralsol>the Rhodic Ferralsol>the Haplic Acrisol. The adsorption and the desorption both increased with elevation of the equilibrium chromate concentration and decreased with increasing of the soil solution pH. The percentage of the specific adsorption of chromate was 54.0-59.4%, 54.3-60.3%, and 43.9-46.2% for the Hyper-Rhodic Ferralsol, the Rhodic Ferralsol, and the Haplic Acrisol, respectively; the percentage of the electrostatic adsorption was 40.0-46.6%, 39.7-45.8%, and 50.8-56.5% for the three soils, respectively. These findings suggest that both the specific adsorption and the electrostatic adsorption contributed to the chromate adsorption by the variable charge soils. The hydroxyl release during the chromate adsorption shared the same trend with the adsorption envelopes, and decreased with increasing of pH. This is attributed to the exchange of chromate with the hydroxyl on the soil particle surfaces and the formation of a chemical bond between chromate and the surface. Our results indicate that the adsorption of chromate resulted in a shift of zeta potential-pH curves of the soil colloids to negative values, which suggests that the adsorption increased the negative surface charge and decreased the surface potential of the soil colloids.
Collapse
Affiliation(s)
- Jun Jiang
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, P.O. Box 821, Nanjing, PR China
| | | | | | | |
Collapse
|