ReviewEnvironmental geochemistry and health2020
Characteristics and applications of biochar for remediating Cr(VI)-contaminated soils and wastewater.
Review in Environmental geochemistry and health, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
19 citing papers in PubMed, 112 citations in OpenAlex.
- Biochar Innovations for Organic Pollutant Remediation in Contaminated Soils.Molecules (Basel, Switzerland) · 2026Review
- A humic acid loaded nano-zero-valent iron composite for enhanced immobilization of chromium and cadmium from soil.Frontiers in plant science · 2026Article
- Assessment of biochar filter application in improving chromium stress tolerance and plant physiology in Chinese cabbage (Brassica rapa) under a flow-through water setup.BMC biotechnology · 2025Article
- Transcriptomic Profiling ofGenes · 2025Article
- Valorization of natural adsorbents for removing chromium (VI) from industrial wastewater: a review.Frontiers in chemistry · 2025Review
- Article
- Article
- Efficient Removal of Hexavalent Chromium (Cr(VI)) from Wastewater Using Amide-Modified Biochar.Molecules (Basel, Switzerland) · 2023Article
- Article
- Carbonized Leather Waste: A Review and Conductivity Outlook.Polymers · 2023Review
- Informer-Based Safety Risk Prediction of Heavy Metals in Rice in China.Foods (Basel, Switzerland) · 2023Article
- Biochar for the Removal of Emerging Pollutants from Aquatic Systems: A Review.International journal of environmental research and public health · 2023Review
- Influencing factors and mechanism of Cr(VI) reduction by facultative anaerobicFrontiers in microbiology · 2023Article
- Microbial-assisted soil chromium immobilization through zinc and iron-enriched rice husk biochar.Frontiers in microbiology · 2022Article
- Review
- Effects of the application of an organic amendment and nanoscale zero-valent iron particles on soil Cr(VI) remediation.Environmental science and pollution research international · 2020Article
- Article
- Application Research of Biochar for the Remediation of Soil Heavy Metals Contamination: A Review.Molecules (Basel, Switzerland) · 2020Review
- Wheat Straw Biochar as a Specific Sorbent of Cobalt in Soil.Materials (Basel, Switzerland) · 2020Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
5 authors at 4 institutions in 3 countries.
Funding
Abstract
Chromium (Cr) is a common environmental contaminant due to industrial processes and anthropogenic activities such as mining of chrome ore, electroplating, timber treatment, leather tanning, fertilizer and pesticide, etc. Cr exists mainly in both hexavalent [Cr(VI)] and trivalent [Cr(III)] form, being Cr(VI) with non-degradability and potential to be hidden, thereby affecting surrounding environment and being toxic to human health. Therefore, researches on remediation of Cr pollution in the environment have received much attention. Biochar is a low-cost adsorbent, which has been identified as a suitable material for Cr(VI) immobilization and removal from soil and wastewater. This review incorporates existing literature to provide a detailed examination into the (1) Cr chemistry, the source and current status of Cr pollution, and Cr toxicity and health; (2) feedstock and characterization of biochar; (3) processes and mechanisms of immobilization and removal of Cr by biochar, including oxidation-reduction, electrostatic interactions, complexation, ion exchange, and precipitation; (4) applications of biochar for Cr(VI) remediation and the modification of biochar to improve its performance; (5) factors affecting removal efficiency of Cr(VI) with respect to its physico-chemical conditions, including pH, temperature, initial concentration, reaction time, biochar characteristics, and coexisting contaminants. Finally, we identify current issues, challenges, and put forward recommendations as well as proposed directions for future research. This review provides a thorough understanding of using biochar as an emerging biomaterial adsorbent in Cr(VI)-contaminated soils and wastewater.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.