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4,630 Results Found

  • Article
  • Open Access
13 Citations
5,161 Views
15 Pages

Characterization of Poultry Litter Biochar and Activated Biochar as a Soil Amendment for Valorization

  • Sheela Katuwal,
  • Amanda J. Ashworth,
  • Nur-Al-Sarah Rafsan and
  • Praveen Kolar

21 September 2022

Biochar applications to soils may enhance soil quality, hydrological properties, and agronomic productivity. Modification of biochar by activation via introduction of heteroatoms at different pyrolysis conditions can alter physical and chemical chara...

  • Article
  • Open Access
122 Citations
24,672 Views
40 Pages

5 November 2015

The growing need for food, energy and materials demands a resource efficient approach as the world’s population keeps increasing. Biochar is a valuable product that can be produced in combination with bio-energy in a cascading approach to make best u...

  • Review
  • Open Access
141 Citations
12,980 Views
18 Pages

Applications of Biochar and Modified Biochar in Heavy Metal Contaminated Soil: A Descriptive Review

  • Meina Liang,
  • Lin Lu,
  • Huijun He,
  • Jingxi Li,
  • Zongqiang Zhu and
  • Yinian Zhu

20 December 2021

Given that the problem of contaminated soil continues to grow, the development of effective control and remediation measures has become imperative, especially for heavy-metal-contaminated soil. Biochar and modified biochar are eco-friendly and cost-e...

  • Article
  • Open Access
79 Citations
9,623 Views
22 Pages

21 April 2021

Organic wastes are naturally biodegradable, but they contribute to environmental pollution and management issues. Composting and pyrolysis are widely used technologies for recycling these wastes into valuable organic products for soil health and crop...

  • Article
  • Open Access
21 Citations
7,359 Views
24 Pages

Nitrate Absorption and Desorption by Biochar

  • Zijian He,
  • Chao Wang,
  • Hongxia Cao,
  • Jiaping Liang,
  • Shuyao Pei and
  • Zhijun Li

21 September 2023

Biochar is a potential solution for addressing environmental problems related to excessive nitrogen (N). However, there is still some debate about the absorption and desorption of nitrate nitrogen (NO3-N). Therefore, this study investigated th...

  • Article
  • Open Access
22 Citations
3,444 Views
16 Pages

11 September 2023

The rational development and efficient utilization of saline soils can alleviate the problem of insufficient arable land faced by agricultural production in China. A prominent problem is improving soil salt and water conditions for promoting land res...

  • Article
  • Open Access
23 Citations
4,141 Views
21 Pages

31 August 2020

Biochar is a promising material for the improvement of soil quality. However, studies on biochar have mostly been carried out in laboratory conditions or have focused on agricultural aspects. The impacts of the application of biochar on soil characte...

  • Article
  • Open Access
52 Citations
8,102 Views
14 Pages

10 January 2022

This study investigates the adsorption of Safranin O (SO) from aqueous solution by both biochar and magnetic biochar derived from rice straw. Rice straw biochar (RSB) was made by pyrolysis in a furnace at 500 °C, using a heating rate of 10 °C...

  • Article
  • Open Access
61 Citations
12,811 Views
23 Pages

Biochar for Horticultural Rooting Media Improvement: Evaluation of Biochar from Gasification and Slow Pyrolysis

  • Chris Blok,
  • Caroline Van der Salm,
  • Jantineke Hofland-Zijlstra,
  • Marta Streminska,
  • Barbara Eveleens,
  • Inge Regelink,
  • Lydia Fryda and
  • Rianne Visser

Peat is used as rooting medium in greenhouse horticulture. Biochar is a sustainable alternative for the use of peat, which will reduce peat derived carbon dioxide emissions. Biochar in potting soil mixtures allegedly increases water storage, nutrient...

  • Feature Paper
  • Review
  • Open Access
53 Citations
13,745 Views
41 Pages

10 August 2023

This literature review explores the assessment of biochar quality and its impact on soil properties using diffuse reflectance spectroscopy. Biochar, a product of biomass pyrolysis, is recognized for its positive effects on soil fertility and carbon s...

  • Article
  • Open Access
38 Citations
5,763 Views
16 Pages

23 March 2021

As an environment-friendly material, biochar has been used to remove heavy metals from wastewater, and the development of cost-effective biochar has been an emerging trend. However, limited studies consider the competitive adsorption of co-existing m...

  • Article
  • Open Access
1 Citations
2,559 Views
16 Pages

As a carbon-rich material with sufficient inorganic nutrients, biochar is potentially an inexpensive and suitable additive to improve the quality of soil and achieve sustainable agriculture. However, the addition of biochar generally increases pestic...

  • Article
  • Open Access
53 Citations
9,803 Views
14 Pages

Potential of Biochar Derived from Agricultural Residues for Sustainable Management

  • Sasiwimol Khawkomol,
  • Rattikan Neamchan,
  • Thunchanok Thongsamer,
  • Soydoa Vinitnantharat,
  • Boonma Panpradit,
  • Prapa Sohsalam,
  • David Werner and
  • Wojciech Mrozik

21 July 2021

A horizontal drum kiln is a traditional method widely used in Southeast Asian countries for producing biochar. An understanding of temperature conditions in the kiln and its influence on biochar properties is crucial for identifying suitable biochar...

  • Article
  • Open Access
16 Citations
4,048 Views
11 Pages

Because of the low consistency of the results obtained in the field, the use of biochar as a soil amendment is controversial. Thus, in general, in acidic soils, results are positive, while in alkaline soils, they are non-significant or even negative....

  • Article
  • Open Access
53 Citations
6,480 Views
23 Pages

RETRACTED: Study on the Removal Efficiency and Mechanism of Tetracycline in Water Using Biochar and Magnetic Biochar

  • Hongwei Sun,
  • Jingjie Yang,
  • Yue Wang,
  • Yucan Liu,
  • Chenjian Cai and
  • Afshin Davarpanah

3 November 2021

In this study, a new type of sludge-derived biochar material with high tetracycline removal efficiency, named magnetic Fe3O4 biochar, was accomplished by KOH activated and loaded with magnetic Fe3O4. The particles with spherical pellets observed by S...

  • Article
  • Open Access
14 Citations
3,430 Views
19 Pages

27 December 2023

To improve the adsorption efficiency of pollutants by biochar, preparing graphene-like biochar (GBC) or nitrogen-doped biochar are two commonly used methods. However, the difference in the nitrogen doping (N-doping) effects upon the adsorption of pol...

  • Article
  • Open Access
16 Citations
3,303 Views
17 Pages

Comparative Analysis of Pigeonpea Stalk Biochar Characteristics and Energy Use under Different Biochar Production Methods

  • Nallagatla Vinod Kumar,
  • Gajanan L. Sawargaonkar,
  • C. Sudha Rani,
  • Ajay Singh,
  • T. Ram Prakash,
  • S. Triveni,
  • Prasad J. Kamdi,
  • Rajesh Pasumarthi,
  • Rayapati Karthik and
  • Bathula Venkatesh

29 September 2023

The disposal of crop residues from agricultural fields is often seen as a burden due to the difficulties involved. However, this study aims to turn pigeonpea stalks into biochar, which can serve as a fuel substitute and soil amendment to sequester ca...

  • Article
  • Open Access
48 Citations
12,725 Views
18 Pages

12 December 2018

The potential of biochar as a filter medium for onsite wastewater treatment was investigated in five sub-studies. Sub-study 1 compared pollutant removal from wastewater using pine-spruce biochar, willow biochar and activated biochar (undefined biomas...

  • Article
  • Open Access
8 Citations
6,431 Views
12 Pages

21 October 2022

To control acid mine drainage (AMD) at source, biochar, a new green and environmentally friendly passivator has been introduced to passivate pyrite. However, the raw material and pyrolysis temperature largely determine the physical and chemical prope...

  • Article
  • Open Access
2 Citations
2,478 Views
16 Pages

Biochar and Manure from Cattle Fed Biochar as Agricultural Amendments Alter CH4 Oxidation in a Gray Luvisol

  • Tien L. Weber,
  • Guillermo Hernandez-Ramirez,
  • Sylvie Quideau and
  • M. Derek MacKenzie

6 July 2023

Greenhouse gases (GHG) emissions from agricultural practices contribute 14% of anthropogenic emissions to the atmosphere, and novel practices to reduce these emissions, including feeding cattle a modified diet, are of interest. This study examines ho...

  • Article
  • Open Access
771 Views
19 Pages

14 October 2025

This study investigates the microscale mechanisms underlying the compressibility of biochar-amended soils through combined discrete element method (DEM) simulations and laboratory consolidation tests. A three-dimensional discrete element model was es...

  • Review
  • Open Access
809 Citations
43,027 Views
19 Pages

A Review of Biochar and Soil Nitrogen Dynamics

  • Tim J. Clough,
  • Leo M. Condron,
  • Claudia Kammann and
  • Christoph Müller

16 April 2013

Interest in biochar stems from its potential agronomic benefits and carbon sequestration ability. Biochar application alters soil nitrogen (N) dynamics. This review establishes emerging trends and gaps in biochar-N research. Biochar adsorption of NO3...

  • Article
  • Open Access
282 Citations
15,905 Views
18 Pages

Effect of Pyrolysis Temperature on Biochar Microstructural Evolution, Physicochemical Characteristics, and Its Influence on Biochar/Polypropylene Composites

  • Ahmed Y. Elnour,
  • Abdulaziz A. Alghyamah,
  • Hamid M. Shaikh,
  • Anesh M. Poulose,
  • Saeed M. Al-Zahrani,
  • Arfat Anis and
  • Mohammad I. Al-Wabel

18 March 2019

Environmental management through effective utilization of biowastes has been a topic of intensive research in recent years. This study examines the effect of pyrolysis temperature on the physical and morphological characteristic of biochar (BC) deriv...

  • Article
  • Open Access
22 Citations
4,297 Views
14 Pages

Scaling-Up of the Production of Biochar from Olive Tree Pruning for Agricultural Use: Evaluation of Biochar Characteristics and Phytotoxicity

  • Andrea Crespo-Barreiro,
  • Natalia Gómez,
  • Judith González-Arias,
  • Noemí Ortiz-Liébana,
  • Fernando González-Andrés and
  • Jorge Cara-Jiménez

Due to the large acreage of olive trees in the Mediterranean basin, the biochar from olive tree pruning may become an important resource as part of circular economy strategies. However, so far, there is not much knowledge on whether the same characte...

  • Review
  • Open Access
60 Citations
14,369 Views
18 Pages

Agricultural Biomass Waste to Biochar: A Review on Biochar Applications Using Machine Learning Approach and Circular Economy

  • Prathiba Rex,
  • Kalil Rahiman Mohammed Ismail,
  • Nagaraj Meenakshisundaram,
  • Praveen Barmavatu and
  • A V S L Sai Bharadwaj

Biochar has gained attention as an alternative source of solid energy and for the proper disposal of agricultural biomass waste (ABW). Microwave-assisted pyrolysis (MAP) is a promising approach for the production of biochar. This review article prese...

  • Article
  • Open Access
40 Citations
4,932 Views
14 Pages

Amelioration of Coastal Salt-Affected Soils with Biochar, Acid Modified Biochar and Wood Vinegar: Enhanced Nutrient Availability and Bacterial Community Modulation

  • Zhangjun Wang,
  • Xin Pan,
  • Shaoping Kuang,
  • Chao Chen,
  • Xiufen Wang,
  • Jie Xu,
  • Xianxin Li,
  • Hui Li,
  • Quanfeng Zhuang and
  • Xiao Wang
  • + 1 author

As an important part of the ecological environment, degraded coastal soils urgently require efficient and eco-friendly soil amendment. Biochar and wood vinegar have been proved to be effective soil amendments, and acid-modified biochar has great pote...

  • Article
  • Open Access
23 Citations
5,128 Views
29 Pages

Investigating the Influence of Biochar Amendment on the Physicochemical Properties of Podzolic Soil

  • Ratnajit Saha,
  • Lakshman Galagedara,
  • Raymond Thomas,
  • Muhammad Nadeem and
  • Kelly Hawboldt

13 October 2020

Research into biochar, as an amendment to soil, has increased over the last decade. However, there is still much to understand regarding the effects of biochar type and rates on the physicochemical properties of different soil types. This study aimed...

  • Review
  • Open Access
3 Citations
5,448 Views
27 Pages

Biochar for Soil Amendment: Applications, Benefits, and Environmental Impacts

  • Ujjwal Pokharel,
  • Gururaj Neelgund,
  • Ram L. Ray,
  • Venkatesh Balan and
  • Sandeep Kumar

The excessive use of chemical fertilizers results in environmental issues, including loss of soil fertility, eutrophication, increased soil acidity, alterations in soil characteristics, and disrupted plant–microbe symbiosis. Here, we synthesize...

  • Article
  • Open Access
162 Citations
15,052 Views
20 Pages

Characterization of Biochar from Switchgrass Carbonization

  • Samy Sadaka,
  • Mahmoud A. Sharara,
  • Amanda Ashworth,
  • Patrick Keyser,
  • Fred Allen and
  • Andrew Wright

24 January 2014

Switchgrass is a high yielding, low-input intensive, native perennial grass that has been promoted as a major second-generation bioenergy crop. Raw switchgrass is not a readily acceptable feedstock in existing power plants that were built to accommod...

  • Article
  • Open Access
13 Citations
3,059 Views
17 Pages

23 April 2024

Environmental restoration and sustainable energy solutions require effective management and utilization of agricultural crop residues to reduce greenhouse gas emissions. Biowastes are a valuable resource that can be converted into biofuels and their...

  • Article
  • Open Access
16 Citations
5,002 Views
20 Pages

Iron- and Nitrogen-Modified Biochar for Nitrate Adsorption from Aqueous Solution

  • Sohrab Haghighi Mood,
  • Manuel Raul Pelaez-Samaniego,
  • Yinglei Han,
  • Kalidas Mainali and
  • Manuel Garcia-Perez

4 July 2024

Nutrient pollution poses a significant global environmental threat, and addressing this issue remains an ongoing challenge. Biochar has been identified as a potential adsorbent for environmental remediation. However, raw biochar has a low nitrate ads...

  • Article
  • Open Access
7 Citations
3,810 Views
14 Pages

Growth Enhancement of Camellia sinensis with Biochar

  • Herta Novalina Sipayung,
  • Keng-Tung Wu,
  • De-Yu Liu and
  • Chien-Teh Chen

21 January 2022

Biochar application in the agriculture sector is a practical approach to minimize waste and maintain sustainable farming. However, the information regarding biochar application in tea cultivation is limited and especially rare in field research. In t...

  • Review
  • Open Access
176 Citations
20,457 Views
22 Pages

Biochar Role in the Sustainability of Agriculture and Environment

  • Muhammad Ayaz,
  • Dalia Feizienė,
  • Vita Tilvikienė,
  • Kashif Akhtar,
  • Urte Stulpinaitė and
  • Rashid Iqbal

27 January 2021

The exercise of biochar in agribusiness has increased proportionally in recent years. It has been indicated that biochar application could strengthen soil fertility benefits, such as improvement in soil microbial activity, abatement of bulk density,...

  • Feature Paper
  • Review
  • Open Access
131 Citations
13,868 Views
35 Pages

A Review of Non-Soil Biochar Applications

  • Mattia Bartoli,
  • Mauro Giorcelli,
  • Pravin Jagdale,
  • Massimo Rovere and
  • Alberto Tagliaferro

7 January 2020

Biochar is the solid residue that is recovered after the thermal cracking of biomasses in an oxygen-free atmosphere. Biochar has been used for many years as a soil amendment and in general soil applications. Nonetheless, biochar is far more than a me...

  • Article
  • Open Access
3 Citations
3,362 Views
13 Pages

Biochar for Vertical Greenery Systems

  • Michal Kraus,
  • Kateřina Žáková and
  • Jaroslav Žák

30 November 2020

Vertical greenery systems (VGS) are effective at solving urban heat. They can absorb noise pollution and dust, and, aesthetically, they are positively perceived. Systems using hydroponic irrigation and nutrition, in combination with mineral wool as a...

  • Review
  • Open Access
14 Citations
7,190 Views
27 Pages

27 September 2023

Biochar is a carbon-rich material that can be composed of a variety of raw materials. From the perspective of resource reuse, it is quite feasible to use waste as a raw material for the preparation of biochar. This paper provides an overview of the t...

  • Review
  • Open Access
14 Citations
5,651 Views
25 Pages

Biochar in the Bioremediation of Metal-Contaminated Soils

  • Małgorzata Majewska and
  • Agnieszka Hanaka

22 January 2025

Biochar is produced from a wide variety of feedstocks (algal biomass, forest, agricultural and food residues, organic fraction of municipal waste, sewage sludge, manure) by thermochemical conversion. In general, it is a dark, porous material with a l...

  • Review
  • Open Access
5 Citations
2,756 Views
19 Pages

Biochar—A Filler in “Bioplastics” for Horticultural Applications

  • Krystyna Malińska,
  • Danuta Dróżdż,
  • Przemysław Postawa and
  • Tomasz Stachowiak

19 December 2024

Biochar is attracting a lot of attention as it is considered a novel, renewable, and bio-based filler that can be used specifically for developing and manufacturing “bioplastics” for growing plants such as mulch films and plant accessorie...

  • Article
  • Open Access
8 Citations
2,624 Views
22 Pages

Effect of the Application of Sunflower Biochar and Leafy Trees Biochar on Soil Hydrological Properties of Fallow Soils and under Soybean Cultivation

  • Urszula Sadowska,
  • Tomasz Zaleski,
  • Maciej Kuboń,
  • Agnieszka Latawiec,
  • Agnieszka Klimek-Kopyra,
  • Jakub Sikora,
  • Maciej Gliniak,
  • Rafał Kobyłecki and
  • Robert Zarzycki

20 February 2023

Soils enriched with biochar are recommended as a cultivation grounds, especially in case they contain significant amount of sand. However, the interactions between biochar and plants, as well as the influence of the biochar on water retention, cultiv...

  • Review
  • Open Access
8 Citations
7,748 Views
22 Pages

Biochar as a Feedstock for Sustainable Fertilizers: Recent Advances and Perspectives

  • Marcela Granato Barbosa dos Santos,
  • Andressa Blasi Paiva,
  • Rhaila da Silva Rodrigues Viana,
  • Keiji Jindo and
  • Cícero Célio de Figueiredo

The increase in the world population exerts significant pressure on expanding global agricultural production. To achieve this, the use of fertilizers is fundamental. However, highly soluble traditional chemical fertilizers can be easily leached and v...

  • Article
  • Open Access
13 Citations
2,994 Views
12 Pages

Impact of Biochar Aging on Soil Physicochemical Properties

  • Tamara Apostolović,
  • Arthur Gross,
  • Álvaro Fernando García Rodríguez,
  • José María de la Rosa,
  • Bruno Glaser,
  • Heike Knicker and
  • Snežana Maletić

18 December 2024

Biochar undergoes significant transformations in soil as a result of chemical, physical, and biological processes. These alterations can impact its initial properties, influencing both its agronomic effectiveness and its capacity for carbon sequestra...

  • Article
  • Open Access
57 Citations
13,350 Views
12 Pages

Removing Gaseous NH3 Using Biochar as an Adsorbent

  • Kyoung S. Ro,
  • Isabel M. Lima,
  • Guidqopuram B. Reddy,
  • Michael A. Jackson and
  • Bin Gao

30 September 2015

Ammonia is a major fugitive gas emitted from livestock operations and fertilization production. This study tested the potential of various biochars in removing gaseous ammonia via adsorption processes. Gaseous ammonia adsorption capacities of various...

  • Review
  • Open Access
15 Citations
6,608 Views
16 Pages

20 September 2023

The release of endogenous phosphorus (P) from sediments is the main cause of lake eutrophication, even after the successful control of exogenous P. Among others, the release of iron-bound P is a major source of endogenous P, and it is necessary to re...

  • Article
  • Open Access
28 Citations
4,763 Views
13 Pages

Modified Biochar—A Tool for Wastewater Treatment

  • Marek Kopecký,
  • Ladislav Kolář,
  • Petr Konvalina,
  • Otakar Strunecký,
  • Florina Teodorescu,
  • Petr Mráz,
  • Jiří Peterka,
  • Radka Váchalová,
  • Jaroslav Bernas and
  • Daniel Bucur
  • + 2 authors

11 October 2020

Global deposits of concentrated phosphates, which are a necessary source for the production of phosphate fertilizers, are limited. These reserves keep getting thinner, and every day, large amounts of phosphorus end up in watercourses. In this study,...

  • Perspective
  • Open Access
20 Citations
8,104 Views
25 Pages

9 September 2021

Biochar is most commonly considered for its use as a soil amendment, where it has gained attention for its potential to improve agricultural production and soil health. Twenty years of near exponential growth in investigation has demonstrated that bi...

  • Review
  • Open Access
58 Citations
15,435 Views
21 Pages

Biochar: Production, Applications, and Market Prospects in Portugal

  • Bruno Garcia,
  • Octávio Alves,
  • Bruna Rijo,
  • Gonçalo Lourinho and
  • Catarina Nobre

Biochar produced during the thermochemical decomposition of biomass is an environmentally friendly replacement for different carbon materials and can be used for carbon sequestration to mitigate climate change. In this paper, current biochar producti...

  • Article
  • Open Access
59 Citations
7,896 Views
18 Pages

Phytotoxicity of Corncob Biochar before and after Heat Treatment and Washing

  • Kiatkamjon Intani,
  • Sajid Latif,
  • Md. Shafiqul Islam and
  • Joachim Müller

21 December 2018

Biochar from crop residues such as corncobs can be used for soil amendment, but its negative effects have also been reported. This study aims to evaluate the phytotoxic effects of different biochar treatments and application rates on cress (Lepidium ...

  • Article
  • Open Access
12 Citations
4,183 Views
14 Pages

HCH Removal in a Biochar-Amended Biofilter

  • Aday Amirbekov,
  • Aigerim Mamirova,
  • Alena Sevcu,
  • Roman Spanek and
  • Pavel Hrabak

1 December 2021

This study evaluated the efficiency of two biofilter systems, with and without biochar chambers installed, at degrading and removing HCH and its isomers in natural drainage water. The biochar biofilter proved to be 96% efficient at cleaning HCH and i...

  • Review
  • Open Access
72 Citations
13,386 Views
12 Pages

22 May 2013

Biochar application to agricultural soils is an interesting emerging technology with promising potential for long-term carbon storage, sustainable waste disposal, and soil fertility enhancement. Extensive information exists in the literature on the h...

  • Review
  • Open Access
70 Citations
8,112 Views
27 Pages

24 September 2021

Agricultural activities face several challenges due to the intensive increase in population growth and environmental issues. It has been established that biochar can be assigned a useful role in agriculture. Its agronomic application has therefore re...

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