Articles tagged with Environmental Remediation
A new global analysis suggests that biochar's ability to store carbon in agricultural soils may be overestimated due to increased carbon dioxide emissions from warming. The study found that warming significantly increased CO2 emissions from biochar-amended soils by an average of 77%, with effects strongest in croplands.
Researchers found that acid-modified and alkaline biochars helped reduce stress from saline-alkali soil, improving soil conditions and supporting alfalfa performance. Alkaline biochar promoted biomass growth, while acid-modified biochar improved soil chemistry and root defense in highly alkaline soils.
A new review highlights the potential of biochar-immobilized microbes (BIMs) to improve soil quality, increase crop yields, and remediate pollutants. BIMs have shown strong potential to support sustainable agriculture by enhancing nutrient cycling, root development, stress tolerance, and pathogen suppression.
A new study found that biochar can lower the temperature sensitivity of nitrous oxide emissions in agricultural soil but increase it in forest soil. Researchers tested different soils and biochar treatments and found that temperature was the dominant driver of nitrous oxide emissions, while biochar acted as a secondary modulator.
A three-year field study shows that pairing biochar with arbuscular mycorrhizal fungi can improve soil health, nutrient supply, microbial diversity, and maize productivity. The treatment also increased soil water content, porosity, organic carbon, available phosphorus, and enzyme activity.
Long-term biochar study reveals that topsoil benefits from biochar's effect on microbial necromass carbon, with significant increase in fungal necromass carbon. In contrast, subsoil shows reduced microbial necromass carbon due to lower nitrogen availability and increased microbial nutrient mining.
A new iron-modified biochar catalyst activates natural oxygen and iron cycling in farmland soil, breaking down sulfamethoxazole at a 4.2-fold increase under laboratory conditions. The material also achieved strong pollutant removal, with degradation reaching 81.2% under favorable soil moisture conditions.
A new study published in Biochar shows that the temperature used to produce biochar plays a decisive role in controlling nitrogen losses during food waste digestate composting. Hardwood biochar made at 400 °C reduced total nitrogen loss by 46.3% compared with composting without biochar, outperforming biochars made at 300 °C and 800 °C.
Researchers developed a magnetic silicon-enriched biochar gel that effectively immobilized arsenic and antimony in contaminated paddy soil, reducing their accumulation in rice grains. The material also improved root growth and plant productivity, supporting healthier plant resilience.
Biochar can restore acidic tea soils, reduce toxic metal uptake, and support climate-smart cultivation. It also improves fertilizer use efficiency, supports biochemical pathways linked to tea quality, and reduces heavy metal exposure risks for consumers.
Researchers found that higher soil salinity can slow biochar's aging process, preserving its carbon content and reducing microbial activity. This study provides new insights for sustainable management of saline farmland and highlights the importance of microorganisms in shaping biochar's environmental functions.
Researchers argue that biochar's long-term carbon storage potential and its soil improvement benefits should not be conflated. The authors call for a 'designer biochar' approach, tailoring products to specific end uses rather than marketing them as universally beneficial.
Researchers used game theory to identify promising porous carbon materials made from agricultural and industrial waste. The study found that certain samples, such as rice straw-KOH-level 2, performed well in terms of surface area and pore volume, making them suitable for applications in soil amendment, water conservation, and pollutant...
A new review highlights how biochar weathers over time, affecting its benefits and risks in soil health, carbon sequestration, and pollution control. Weathered biochar can improve nutrient retention and metal binding but also fragment and reduce long-term carbon storage potential.
Researchers develop heterocyclic-linked covalent organic frameworks (COFs) that utilize light to trigger specific redox reactions, reducing soluble uranium into insoluble forms. The materials have shown impressive photocatalytic uranium extraction efficiency and potential for environmental cleanup and nuclear fuel security.
FAU engineering researcher Masoud Jahandar Lashaki has been awarded a prestigious NSF CAREER award to study the oxidative degradation of amine-functionalized sorbents. The project aims to design longer-lasting technologies for capturing pollutants from air and water, improving indoor and outdoor air quality.
Emerging microwave-based techniques significantly enhance biochar's ability to remove contaminants from water and soil while improving energy efficiency. Biochar has gained attention as a sustainable solution for managing agricultural residues, food waste, and other organic by-products.
A cohort study found that bullying and restrictive legislation were associated with higher rates of psychotic-like experiences in gender-diverse youths. The study suggests that supportive environments and policies can help alleviate mental health concerns among this population.
Researchers have created a novel sorbent made from chitosan/cellulose acetate and bentonite composites that show promise for cleaning up oil spills. The beads are floatable, biodegradable, and environmentally compatible, making them an efficient and cost-effective solution.
Researchers have developed a technique to detect and measure the concentration of rare-earth elements in plants without destroying them. The method uses fluorescence spectroscopy to distinguish between autofluorescence from plant matter and rare-earth element uptake.
Researchers found that thiol-modified biochar reduces mercury mobility by up to 80% in soils exposed to dry-wet cycles. The material promotes natural weathering processes, traps mercury in stable forms, and alters the soil microbial community, creating a resilient ecosystem.
A new study reports a promising solution to address both arsenic contamination and greenhouse gas emissions in rice paddies using an engineered biochar material enhanced with titanium dioxide. The findings highlight a new strategy to improve food safety while lowering agriculture’s climate footprint.
Researchers highlight biochar's ability to outperform conventional materials in driving chemical reactions that break down pollutants and support energy-producing microbial processes. Biochar's intrinsic redox properties enable it to act as an electron shuttle, accelerating reactions.
Researchers found that biochar can actively regulate the movement of antibiotics in soil, reducing cumulative fluxes by up to 15%. Biochar creates a concentration gradient at the interface between macropores and surrounding soil, pulling contaminants into the soil matrix for retention.
A five-year field study reveals that biochar can reorganize entire soil ecosystems, creating lasting benefits for agriculture and environmental sustainability. Biochar triggers a coordinated transformation across the entire soil system, improving soil acidity and reducing metal toxicity.
A new study reveals that carefully designed biochar amendments can improve plant growth and soil health in saline-alkali soils by reshaping plant metabolism and microbial communities. Alkaline biochar was found to stimulate key metabolic pathways, while acid-modified biochar enhanced root development and activated plant defense systems.
Researchers found that biochar can either dampen or amplify temperature sensitivity of nitrous oxide emissions in soils. Biochar's effects depend on soil properties and environmental conditions.
A new field study reveals that biochar significantly increases microbial necromass carbon in topsoil by up to 39%, linked to improved nutrient availability and microbial efficiency. However, in subsoil layers, biochar reduces microbial necromass carbon by as much as 30% due to nutrient limitations.
A newly developed magnetic biochar material effectively reduces the uptake of arsenic and antimony in rice plants, stabilizing contaminants while supporting plant growth. The study also reveals improvements in plant health, including stronger root systems and reduced physiological stress.
A new study reveals how an advanced iron-modified biochar can harness the natural chemistry of soils to break down persistent antibiotic contaminants. The biochar activates naturally occurring oxygen in soils to generate highly reactive hydroxyl radicals, enabling the in situ degradation of contaminants without external chemical inputs.
Researchers discovered that carefully selecting the temperature used to produce biochar can optimize both environmental performance and compost quality. Biochar produced at a moderate temperature achieved the optimal balance between ammonium adsorption and microbial nitrification, resulting in a 46.3% reduction in total nitrogen loss.
Researchers found that increasing soil salinity slows biochar aging and limits microbial colonization. Biochar retains more carbon and shows greater structural stability in saline environments compared to low-salinity conditions.
A new scientific review highlights how biochar can transform tea farming by restoring soil health, reducing pollution risks, and improving both yield and quality. Biochar can increase tea yields by 10 to 40 percent while enhancing quality traits such as amino acids and polyphenols that influence flavor.
A five-year field study shows that small, repeated additions of biochar combined with water-saving irrigation can significantly reduce methane emissions from rice paddies over time while maintaining strong crop yields. Continuous application maintained and strengthened methane reduction, producing net negative emissions in some cases.
A new study highlights the critical misunderstanding of biochar's role in fighting climate change and improving soils, warning that oversimplified claims could undermine scientific progress and carbon markets. Biochar is not a one-size-fits-all solution, and its effectiveness depends on where it is used.
A field study found that adding biochar to estuarine wetlands increased sediment carbon storage while suppressing carbon loss. Tidal dynamics amplified the effectiveness of biochar as a climate solution by stabilizing carbon in sediments and reducing microbial activity associated with carbon decomposition.
Researchers found that combining biochar with beneficial bacteria significantly improves phosphorus availability, reshaping plant development and increasing crop yields in greenhouse-grown cherry tomatoes. The study also showed that this approach can enhance soil fertility and crop productivity without increasing fertilizer inputs.
A new study reveals excavated urban soils as a significant source of greenhouse gas emissions, primarily carbon dioxide and methane. Biochar application and soil capping can dramatically reduce emissions by up to 96%, offering a practical climate solution for urban development.
A new study found that biochar can significantly reduce methane emissions from rice paddies when applied at optimal nitrogen levels. However, high nitrogen inputs may actually increase methane emissions, highlighting the need for careful management of fertilizer inputs.
A new study presents a framework combining biochar engineering with artificial intelligence to design next-generation materials tailored for specific pollutants. The work highlights how advanced data-driven approaches can accelerate the development of sustainable water treatment technologies.
A new study reveals that biochar nanoparticles directly enter plant tissues and enhance flowering by reshaping carbon allocation and regulating key genes. This discovery provides a new explanation for how biochar improves crop performance beyond its effects on soil fertility.
A new review highlights biochar's potential to reverse land degradation, improve soil health, and support sustainable agriculture in arid regions. Biochar can increase crop yields, reduce erosion risks, and enhance soil resilience, while also contributing to global carbon sequestration efforts.
A new field study reveals that biochar can significantly restore soil health and nitrogen availability in forests affected by acid rain. Biochar triggers major biological changes in the soil, enhancing microbial biomass and increasing nitrogen use efficiency.
A new study reveals that nano-biochar fertilizers can actively regulate soil processes and help protect rice from harmful metal accumulation. The findings show improved rice growth, enhanced soil biological activity, and reduced cadmium and arsenic uptake in contaminated soils.
A new study reveals that freeze-thaw cycles can dramatically improve biochar's ability to trap toxic arsenic in contaminated soils. The research found that freezing and thawing fundamentally reshapes how biochar interacts with soil at microscopic scales, creating stronger connections between biochar particles and soil minerals.
Researchers at Trinity College Dublin have discovered that crushed oyster shells can capture and remove rare earth elements from polluted water. The shells trigger a chemical reaction that converts dissolved metals into solid mineral crystals, making them an effective tool for environmental cleanup.
Researchers developed a system combining biochar with arbuscular mycorrhizal fungi to target specific pollutants in red mud. The results showed that each fungal species played a distinct role in detoxifying arsenic and lead, as well as improving soil health.
A 14-year field study shows that biochar can simultaneously reduce heavy metal risks in agricultural soils while enhancing carbon storage. Biochar improved soil carbon storage, reducing toxicity by up to 91 percent and increasing organic carbon content.
A new study reveals that biochar can significantly reduce nitrous oxide emissions from forest soils, shifting them from a source to a potential climate solution. Biochar was found to suppress key microbial genes responsible for producing N2O while increasing the abundance of microbes that convert it into harmless nitrogen gas.
Researchers developed a nitrogen-doped biochar-modified zero-valent iron nanocomposite that rapidly removes harmful herbicides from soil and protects crops. The material also triggers the formation of an iron plaque on plant roots, capturing contaminants and improving crop health.
A comprehensive meta-analysis reveals that biochar functions as a highly active biological regulator, restructuring the earth to boost porosity and moisture retention. Biochar disrupts the soil's nitrogen cycle by suppressing specific enzyme activities, slowing down processes like nitrification and denitrification.
A study found that the aquatic plant Salvinia auriculata can act as a sink for antibiotics in the Piracicaba River, reducing bioaccumulation and genotoxicity. The plant was able to remove high concentrations of enrofloxacin and chloramphenicol from the water, but its effectiveness varied depending on the compound.
Researchers developed a specially engineered biochar made from sewage sludge that significantly enhances plant growth when combined with beneficial bacteria. The biochar-bacteria combination improved nitrogen cycling and increased the abundance of beneficial soil microbes, leading to greater plant nutrition and growth.
Researchers found that the particle size of biochar impacts its effectiveness in controlling soil-borne diseases, with fine biochar acting quickly but losing effectiveness over time. Coarse biochar, on the other hand, provides a slower yet more sustained protective effect by releasing nutrients and organic compounds into the soil.
Researchers develop oxychar, a highly efficient, budget-friendly alternative to traditional charred organic materials for toxic cadmium removal. The new material soaks up both agricultural ammonia and cadmium, promising a practical win for sustainable farming.
A new biochar-enhanced photocatalyst has been developed to efficiently degrade antibiotic contaminants in water, with the material demonstrating remarkable ability to break down sulfadiazine. The photocatalyst harnesses sunlight to drive chemical reactions capable of degrading antibiotic molecules, and its performance is substantially ...