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Aleisa E, Al-Jarallah R. Characterization of municipal solid waste in Kuwait: Sector-Specific Composition Analysis and implications. JOURNAL OF THE AIR & WASTE MANAGEMENT ASSOCIATION (1995) 2024. [PMID: 38990680 DOI: 10.1080/10962247.2024.2378102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Accepted: 06/28/2024] [Indexed: 07/13/2024]
Abstract
Municipal solid waste (MSW) characterization plays a pivotal role in devising effective waste management strategies conducive to fostering a circular economy. This study presents composition analysis across twenty-four subcategories sourced from residential, commercial, and industrial sectors in Kuwait. The study is conducted in accordance with the Standard Test Method for Determination of the Composition of Unprocessed Municipal Solid Waste (ASTM D5231). The results indicate that organic waste comprises 45.3%, followed by paper waste (19.9%) and plastics (19.8%). The remaining waste comprises glass waste (3.5%), diapers (2.7%), textiles (2.6%) and other waste. Paper waste (19.9%) consists mainly of mixed paper (12.1%), cardboard (3.7%), newspaper (3.3%), printer printouts (0.6%) and other office paper (0.2%). Plastic waste (19.8%) consists mainly of film (11.2%), PET (3.1%), HDPE (1.1%) and other mixed plastics (4.4%). Residential and mixed areas have the highest proportion of organic waste. Commercial areas produce the highest proportion of wastepaper (22.4%) and textiles (3.7%). Industrial areas produce the highest proportion of plastic waste (29.1%), most of which is film (17.3%). The study also provides an overview of the MSW management system in the country, an overview over the legislative framework, and forecasts of future waste generation rates with comparison to historical baselines.Implication StatementThe precise and up-to-date characterization of municipal solid waste is imperative for scholarly journal submissions, as it establishes a foundational understanding of waste composition, aiding researchers and policymakers in the development of effective waste management strategies, resource recovery initiatives, and sustainable solutions to address the evolving challenges in waste management systems.This study provides detailed composition analysis for twenty-four municipal solid waste (MSW) subcategories collected across different sources: residential, commercial, industrial, and mixed areas. Time series forecasting is applied to predict MSW generation based on historical data obtained through the local municipality over the past decade. Factorial analysis is applied to investigate changes across source areas, and a hypothesis test is used to compare the current MSW composition against previous baselines. The results demonstrated significant variation across most waste categories. The plastic waste proportion has increased by 48.5% compared to 2013 data, despite awareness campaigns. Paper waste has also increased in proportion from 6.8% to 16.2%; this increase is associated with the mixed paper subcategory, which is mostly used for packaging. The composition data provided in this study are necessary for long-term monitoring, strategy assessment, and legislation associated with waste reduction and remediation.
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Affiliation(s)
- Esra Aleisa
- Industrial and Management Systems Engineering Department, Kuwait University, Safat, Kuwait
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Crovella T, Paiano A, Falciglia PP, Lagioia G, Ingrao C. Wastewater recovery for sustainable agricultural systems in the circular economy - A systematic literature review of Life Cycle Assessments. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:169310. [PMID: 38123087 DOI: 10.1016/j.scitotenv.2023.169310] [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: 05/23/2023] [Revised: 12/01/2023] [Accepted: 12/10/2023] [Indexed: 12/23/2023]
Abstract
Water availability and quality are known to affect agricultural production and nutrition. The aim of this study was to elaborate a systematic literature review of the most sustainable ways of wastewater treatment towards achieving circular economy (CE) in agro-industry activities. From the SLR, the authors selected twenty-seven papers that they classified into the three research themes of recovery of wastewater into irrigation water, extraction of sludge for production of bio-based compounds, and recovery of nutrients for soil amendment, including recovering of feeds for aquaculture, and recovery of nutrient biosolids for soil amendment. Results underlined that the recovery of nutrients biosolids for soil amendment can generate a GWP gain up to - 37 kg CO2-eq. So, the review highlighted that wastewater recovery for multiple purposes can be truly effective for the environmental sustainability of agricultural systems, and that LCA is a valid tool to assess and improve that sustainability. Under this perspective, this SLR's findings can stimulate public administrations at national and local scales in their planning and funding activities towards implementing circular bioeconomy paths based upon wastewater recovery for a sustainable, resilient agriculture. Overall, the authors believe that their article was effective in overviewing the current wastewater recovery paths in the CE context, and in highlighting key methodological aspects and findings of the reviewed LCAs, to advance the specialised literature and knowledge, and to guide practitioners for future LCA applications in the field. Finally, through its main findings, the article effectively contributes to the whole research project which it is part of and which the authors are deeply involved in. That research is performed under the Progetto GRINS "Growing Resilient, Inclusive and Sustainable" thanks to a PNRR M4C2- Investment 1.3 - GRINS with the aim of "Building a dataset for the circular economy of the main Italian production systems".
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Affiliation(s)
- Tiziana Crovella
- Department of Economics, Management and Business Law, University of Bari Aldo Moro, Largo Abbazia Santa Scolastica 53, 70124 Bari, Italy
| | - Annarita Paiano
- Department of Economics, Management and Business Law, University of Bari Aldo Moro, Largo Abbazia Santa Scolastica 53, 70124 Bari, Italy
| | - Pietro Paolo Falciglia
- Department of Civil Engineering and Architecture, University of Catania, Cittadella universitaria, Via Santa Sofia 64, 95123 Catania, Italy
| | - Giovanni Lagioia
- Department of Economics, Management and Business Law, University of Bari Aldo Moro, Largo Abbazia Santa Scolastica 53, 70124 Bari, Italy
| | - Carlo Ingrao
- Department of Economics, Management and Business Law, University of Bari Aldo Moro, Largo Abbazia Santa Scolastica 53, 70124 Bari, Italy.
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Ye Y, Hao Ngo H, Guo W, Woong Chang S, Duc Nguyen D, Fu Q, Wei W, Ni B, Cheng D, Liu Y. A critical review on utilization of sewage sludge as environmental functional materials. BIORESOURCE TECHNOLOGY 2022; 363:127984. [PMID: 36126850 DOI: 10.1016/j.biortech.2022.127984] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 09/11/2022] [Accepted: 09/12/2022] [Indexed: 06/15/2023]
Abstract
Sewage sludge (SS) is increasingly used as an environment functional material to reduce or control pollution and improve plant growth because of the large amounts of carbon and essential plant nutrients in it. To achieve the best application results, it is essential to comprehensively review recent progress in SS utilization. This review aims to fill the gaps in knowledge by describing the properties of SS, and its usage as adsorbents, catalysts and fertilizers, and certain application mechanisms. Although SS generates several benefits for the environment and humans, many challenges still exist to limit the application, including the risks posed by potentially toxic substances (e.g., heavy metals) in SS. Therefore, future research directions are discussed and how to make SS applications more feasible in terms of technology and economy.
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Affiliation(s)
- Yuanyao Ye
- School of Environmental Science and Engineering, Huazhong University of Science and Technology, No. 1037 Luoyu Road, Wuhan 430074, PR China
| | - Huu Hao Ngo
- Centre for Technology in Water and Wastewater, University of Technology Sydney, NSW 2007, Australia.
| | - Wenshan Guo
- Centre for Technology in Water and Wastewater, University of Technology Sydney, NSW 2007, Australia
| | - Soon Woong Chang
- Department of Environmental Energy Engineering, Kyonggi University, 442-760, Republic of Korea
| | - Dinh Duc Nguyen
- Department of Environmental Energy Engineering, Kyonggi University, 442-760, Republic of Korea
| | - Qiang Fu
- Centre for Technology in Water and Wastewater, University of Technology Sydney, NSW 2007, Australia
| | - Wei Wei
- Centre for Technology in Water and Wastewater, University of Technology Sydney, NSW 2007, Australia
| | - Bingjie Ni
- Centre for Technology in Water and Wastewater, University of Technology Sydney, NSW 2007, Australia
| | - Dongle Cheng
- Centre for Technology in Water and Wastewater, University of Technology Sydney, NSW 2007, Australia
| | - Yi Liu
- Department of Environmental Science and Engineering, Fudan University, 2205 Songhu Road, Shanghai 200438, PR China
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Alsaleh A, Aleisa E. Triple Bottom-Line Evaluation of the Production of Animal Feed from Food Waste: A Life Cycle Assessment. WASTE AND BIOMASS VALORIZATION 2022; 14:1169-1195. [PMID: 36091663 PMCID: PMC9442596 DOI: 10.1007/s12649-022-01914-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Accepted: 08/18/2022] [Indexed: 06/15/2023]
Abstract
This study applies a triple bottom line (TBL) framework that incorporates the environmental, economic, and social impacts of producing animal feed from food waste (FW) collected at the post-consumption stage of the food supply chain. The environmental bottom line (BL) is conducted using life cycle assessment (LCA), the economic BL is calculated using the net present value (NPV), while the social BL is assessed using the strengths, weaknesses, opportunities, and threats (SWOT) analysis. The results within the environmental BL indicate that at a 13.8% recovery rate, animal feed produced from a ton of FW saves 0.33 m2 equivalent of crop land but requires 3.5 tons of water compared to 0.9 tons and 0.78 tons for landfilling and incineration for FW treatment respectively. In addition, the production of animal feed from one ton of FW emits 1064.6 kg CO2-eq, compared to 823.6 kg CO2-eq using landfilling and 781.9 kg CO2-eq when incinerated. The economic BL indicates a profit of $3.65/ton from incinerating FW, compared to cost of $93.8 and $137.6 per ton for animal feed production and landfilling of FW respectively. The analytic hierarchy process (AHP) is applied to integrate the TBL scores and rank the scenarios accordingly. AHP recommends animal feed and incineration over landfilling by a fourfold higher score. A simulation using an augmented simplex lattice mixture (ASLM) design recommends incineration with energy recovery over animal feed production from FW collected at the consumer stage. Sensitivity analysis indicates that the production of animal feed from FW is environmentally feasible if the safe recovery rate exceeds 48%, is which possible for FW collected at early stages of the food supply chain.
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Affiliation(s)
- Alla Alsaleh
- Industrial and Management Systems Engineering Department, Kuwait University, 13060 Safat, Kuwait
| | - Esra Aleisa
- Industrial and Management Systems Engineering Department, Kuwait University, 13060 Safat, Kuwait
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Aydın S, Ulvi A, Bedük F, Aydın ME. Pharmaceutical residues in digested sewage sludge: Occurrence, seasonal variation and risk assessment for soil. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 817:152864. [PMID: 34998750 DOI: 10.1016/j.scitotenv.2021.152864] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2021] [Revised: 12/28/2021] [Accepted: 12/29/2021] [Indexed: 05/23/2023]
Abstract
The occurrences, temporal variations and ecotoxicological risks of 38 selected pharmaceuticals from 7 therapeutic classes (i.e. antibiotics, analgesics, anti-inflammatories, beta-blockers, lipid regulators, anticancer agents, and psychiatric drugs) have been observed in the anaerobically treated sludge of the urban wastewater treatment plant (WWTP) in Konya, Turkey. Sampling was carried out to assess the seasonal variations in one year. The total daily wastewater flow rate of the WWTP was approximately 200,000 m3/day, and 140 tons/day of treated sludge were produced. The total concentrations of all pharmaceutical compounds ranged from 280 to 4898 μg/kg of dry matter (dm). The dominant therapeutic class was analgesics and anti-inflammatories (49%), which was followed by antibiotics (31%). Clarithromycin and azithromycin were the most abundant compounds, with concentrations of 1496 μg/kg dm. The total daily pharmaceutical load in the treated sludge was as high as 1.002 kg/day in the winter season, while the annual pharmaceutical mass load that was discharged into the environment was estimated to be approximately 71.6 kg. The use of treated sludge as fertilizer in agricultural lands causes continuous contamination of the terrestrial environment by pharmaceuticals. Five antibiotics (i.e., azithromycin, clarithromycin, erythromycin, sulfamethoxazole, and doxycycline), one analgesic (acetylsalicylic acid) and one beta-blocker (atenolol) in the digested sludge pose acute and short chronic high risks to environment. The highest short chronic risk in the digested sludge-amended soils was determined for azithromycin (RQ: 54.9). To reduce the potential environmental impact of pharmaceuticals, digested sludge should be monitored in terms of the pharmaceutical contents before being applied to soil.
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Affiliation(s)
- Senar Aydın
- Necmettin Erbakan University, Department of Environmental Engineering, Konya, Turkey.
| | - Arzu Ulvi
- Necmettin Erbakan University, Department of Environmental Engineering, Konya, Turkey
| | - Fatma Bedük
- Necmettin Erbakan University, Department of Environmental Engineering, Konya, Turkey
| | - Mehmet Emin Aydın
- Necmettin Erbakan University, Department of Civil Engineering, Konya, Turkey
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Leveraging Life Cycle Assessment to Better Promote the Circular Economy: A First Step Using the Concept of Opportunity Cost. SUSTAINABILITY 2022. [DOI: 10.3390/su14063451] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
In economics, opportunity cost is defined as the benefit foregone by choosing another course of action. Considering opportunity costs enables the improved handling of trade-offs to better support strategic decision-making. We introduce the concept of opportunity cost into life cycle assessment (LCA). In our framework, opportunity cost extends the system expansion paradigm to support better alignment with a circular economy (CE). Opportunity cost thinking is considered to be most useful for the efficient allocation of scarce economic capital for the creation of economic value. In the environmental domain, we use such thinking to account for the implications of ‘wasting waste’. In this paper, we consider a case of treated wastewater sludge being used as a source of nutrients as a vehicle to study the points at which LCA can support a CE. Our conclusions, however, have wider repercussions because there are many more situations in which product systems are analytically demarcated from the web of connections in which they are embedded.
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Kumar P, Kumar V, Adelodun B, Bedeković D, Kos I, Širić I, Alamri SAM, Alrumman SA, Eid EM, Abou Fayssal S, Goala M, Arya AK, Bachheti A, Choi KS, Ajibade FO, Silva LFO. Sustainable Use of Sewage Sludge as a Casing Material for Button Mushroom (Agaricus bisporus) Cultivation: Experimental and Prediction Modeling Studies for Uptake of Metal Elements. J Fungi (Basel) 2022; 8:jof8020112. [PMID: 35205866 PMCID: PMC8876633 DOI: 10.3390/jof8020112] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 01/21/2022] [Accepted: 01/24/2022] [Indexed: 12/18/2022] Open
Abstract
The present study focused on the use of sewage sludge (SS) as a casing material amendment and the potential uptake of metal elements by the cultivated white button (Agaricus bisporus: MS-39) mushroom. Laboratory experiments were performed under controlled environmental conditions to grow A. bisporus on the composted wheat straw substrate for 50 days. Different treatments (0, 50, 100, 150, and 200 g/kg) of casing material were prepared by mixing garden and dried SS and applied on the mushroom substrate after proper sterilization. The results revealed that SS application was significant (p < 0.05) in accelerating mushroom yield with a biological efficiency of 65.02% for the mixing rate of 200 g/kg. Moreover, the maximum bioaccumulation of selected metal elements (Cu, Cr, Cd, Fe, Mn, and Zn) was observed using the same treatment. Additionally, the multiple regression models constructed for the uptake prediction of metal elements showed an acceptable coefficient of determination (R2 > 0.9900), high model efficiency (ME > 0.98), and low root mean square error (RMSE < 0.410) values, respectively. The findings of this study represent sustainable use of SS for the formulation of mushroom casing material contributing toward synergistic agro-economy generation and waste management.
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Affiliation(s)
- Pankaj Kumar
- Agro-Ecology and Pollution Research Laboratory, Department of Zoology and Environmental Science, Gurukula Kangri (Deemed to Be University), Haridwar 249404, India;
| | - Vinod Kumar
- Agro-Ecology and Pollution Research Laboratory, Department of Zoology and Environmental Science, Gurukula Kangri (Deemed to Be University), Haridwar 249404, India;
- Correspondence:
| | - Bashir Adelodun
- Department of Agricultural and Biosystems Engineering, University of Ilorin, Ilorin PMB 1515, Nigeria;
- Department of Agricultural Civil Engineering, Kyungpook National University, Daegu 41566, Korea;
| | - Dalibor Bedeković
- Faculty of Agriculture, University of Zagreb, Svetosimunska 25, 10000 Zagreb, Croatia; (D.B.); (I.K.); (I.Š.)
| | - Ivica Kos
- Faculty of Agriculture, University of Zagreb, Svetosimunska 25, 10000 Zagreb, Croatia; (D.B.); (I.K.); (I.Š.)
| | - Ivan Širić
- Faculty of Agriculture, University of Zagreb, Svetosimunska 25, 10000 Zagreb, Croatia; (D.B.); (I.K.); (I.Š.)
| | - Saad A. M. Alamri
- Biology Department, College of Science, King Khalid University, Abha 61321, Saudi Arabia; (S.A.M.A.); (S.A.A.); (E.M.E.)
| | - Sulaiman A. Alrumman
- Biology Department, College of Science, King Khalid University, Abha 61321, Saudi Arabia; (S.A.M.A.); (S.A.A.); (E.M.E.)
| | - Ebrahem M. Eid
- Biology Department, College of Science, King Khalid University, Abha 61321, Saudi Arabia; (S.A.M.A.); (S.A.A.); (E.M.E.)
- Botany Department, Faculty of Science, Kafrelsheikh University, Kafr El-Sheikh 33516, Egypt
| | - Sami Abou Fayssal
- Department of Agronomy, Faculty of Agronomy, University of Forestry, 10 Kliment Ohridski Blvd, 1797 Sofia, Bulgaria;
- Department of Plant Production, Faculty of Agriculture, Lebanese University, Beirut 1302, Lebanon
| | - Madhumita Goala
- Nehru College, Pailapool, Affiliated Assam University, Silchar 788098, India;
| | - Ashish Kumar Arya
- Department of Environment Science, Graphic Era (Deemed to be University), Dehradun 248002, India; (A.K.A.); (A.B.)
| | - Archana Bachheti
- Department of Environment Science, Graphic Era (Deemed to be University), Dehradun 248002, India; (A.K.A.); (A.B.)
| | - Kyung Sook Choi
- Department of Agricultural Civil Engineering, Kyungpook National University, Daegu 41566, Korea;
| | - Fidelis Odedishemi Ajibade
- Department of Civil and Environmental Engineering, Federal University of Technology, Akure PMB 704, Nigeria;
- Key Laboratory of Urban Pollutant Conversion, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
| | - Luis F. O. Silva
- Department of Civil and Environmental Engineering, Universidad de la Costa, Calle 58 #55-66, Barranquilla 080002, Colombia;
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Hoang SA, Bolan N, Madhubashani AMP, Vithanage M, Perera V, Wijesekara H, Wang H, Srivastava P, Kirkham MB, Mickan BS, Rinklebe J, Siddique KHM. Treatment processes to eliminate potential environmental hazards and restore agronomic value of sewage sludge: A review. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 293:118564. [PMID: 34838711 DOI: 10.1016/j.envpol.2021.118564] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Revised: 11/19/2021] [Accepted: 11/19/2021] [Indexed: 05/22/2023]
Abstract
Land application of sewage sludge is increasingly used as an alternative to landfilling and incineration owing to a considerable content of carbon and essential plant nutrients in sewage sludge. However, the presence of chemical and biological contaminants in sewage sludge poses potential dangers; therefore, sewage sludge must be suitably treated before being applied to soils. The most common methods include anaerobic digestion, aerobic composting, lime stabilization, incineration, and pyrolysis. These methods aim at stabilizing sewage sludge, to eliminate its potential environmental pollution and restore its agronomic value. To achieve best results on land, a comprehensive understanding of the transformation of organic matter, nutrients, and contaminants during these sewage-sludge treatments is essential; however, this information is still lacking. This review aims to fill this knowledge gap by presenting various approaches to treat sewage sludge, transformation processes of some major nutrients and pollutants during treatment, and potential impacts on soils. Despite these treatments, overtime there are still some potential risks of land application of treated sewage sludge. Potentially toxic substances remain the main concern regarding the reuse of treated sewage sludge on land. Therefore, further treatment may be applied, and long-term field studies are warranted, to prevent possible adverse effects of treated sewage sludge on the ecosystem and human health and enable its land application.
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Affiliation(s)
- Son A Hoang
- Global Innovative Centre for Advanced Nanomaterials, College of Engineering, Science and Environment, University of Newcastle, Callaghan, NSW, 2308, Australia; Division of Urban Infrastructural Engineering, Mientrung University of Civil Engineering, Phu Yen, 56000, Viet Nam
| | - Nanthi Bolan
- School of Agriculture and Environment, The University of Western Australia, Perth, WA, 6001, Australia; The UWA Institute of Agriculture, The University of Western Australia, Perth, WA, 6001, Australia.
| | - A M P Madhubashani
- Ecosphere Resilience Research Centre, Faculty of Applied Sciences, University of Sri Jayewardenepura, Nugegoda, Sri Lanka; Department of Chemical and Process Engineering, University of Moratuwa, Moratuwa, Sri Lanka
| | - Meththika Vithanage
- Ecosphere Resilience Research Centre, Faculty of Applied Sciences, University of Sri Jayewardenepura, Nugegoda, Sri Lanka
| | - Vishma Perera
- Department of Natural Resources, Faculty of Applied Sciences, Sabaragamuwa University, Belihuloya, Sri Lanka
| | - Hasintha Wijesekara
- Department of Natural Resources, Faculty of Applied Sciences, Sabaragamuwa University, Belihuloya, Sri Lanka
| | - Hailong Wang
- Biochar Engineering Technology Research Center of Guangdong Province, School of Environmental and Chemical Engineering, Foshan University, Foshan, Guangdong, 528000, China
| | - Prashant Srivastava
- CSIRO, The Commonwealth Scientific and Industrial Research Organisation Land and Water, PMB 2, Glen Osmond, South Australia, 5064, Australia
| | - M B Kirkham
- Department of Agronomy, Kansas State University, Manhattan, KS, USA
| | - Bede S Mickan
- School of Agriculture and Environment, The University of Western Australia, Perth, WA, 6001, Australia; The UWA Institute of Agriculture, The University of Western Australia, Perth, WA, 6001, Australia
| | - Jörg Rinklebe
- Laboratory of Soil- and Groundwater-Management, Institute of Soil Engineering, Waste- and Water Science, Faculty of Architecture und Civil Engineering, University of Wuppertal, Germany; Department of Environment, Energy and Geoinformatics, Sejong University, Seoul, Republic of Korea
| | - Kadambot H M Siddique
- The UWA Institute of Agriculture, The University of Western Australia, Perth, WA, 6001, Australia
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