OOIR: Observatory of International Research

Papers

(The H4-Index of Biochar is 28. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2022-06-01 to 2026-06-01.)

Article	Citations
Wood waste biochar promoted anaerobic digestion of food waste: focusing on the characteristics of biochar and microbial community analysis	271
Biochar granulation reduces substrate erosion on green roofs	258
Sorption kinetics of 1,3,5-trinitrobenzene to biochars produced at various temperatures	136
Weak-acid biochar catalyst prepared from mechanochemically-activated biomass and humic acid for production of 5-hydroxymethylfurfural	122
Development of a new hydrophobic magnetic biochar for removing oil spills on the water surface	110
Simultaneous dissipation of trichloroethene and arsenic from co-contaminated groundwater by coupling biodechlorination and biodetoxification with assistance of biochar	78
Insights on mechanisms of aluminum phytotoxicity mitigation by canola straw biochars from different regions	73
The stability of carbon from a maize-derived hydrochar as a function of fractionation and hydrothermal carbonization temperature in a Podzol	72
A critical review of biochar-based nitrogen fertilizers and their effects on crop production and the environment	65
Formable porous biochar loaded with La-Fe(hydr)oxides/montmorillonite for efficient removal of phosphorus in wastewater: process and mechanisms	58
Pyrolytic synthesis of graphene-encapsulated zero-valent iron nanoparticles supported on biochar for heavy metal removal	53
Carbon-negative cement-bonded biochar particleboards	51
A nanoscale observation to explain the discrepancy of electron exchange capacities between biochar containing comparable surface redox-active moieties	49
p-Arsanilic acid decontamination over a wide pH range using biochar-supported manganese ferrite material as an effective persulfate catalyst: Performances and mechanisms	48
Photoactivation of peroxymonosulfate by wood pulp cellulose biochar/g-C3N4 composite for diclofenac degradation: the radical and nonradical pathways	48
Arsenic removal from water and soils using pristine and modified biochars	48
Machine learning predicting and engineering the yield, N content, and specific surface area of biochar derived from pyrolysis of biomass	47
Biochar–microbe interaction: more protist research is needed	44
Biochar and organic substitution improved net ecosystem economic benefit in intensive vegetable production	43
Biochar mitigates the biotoxicity of heavy metals in livestock manure during composting	42
Use of sewage sludge biochar as a catalyst in production of biodiesel through thermally induced transesterification	41
Anisotropic hemp-stem-derived biochar supported phase change materials with efficient solar-thermal energy conversion and storage	40
Biochar amendment alters the partitioning of nitrate reduction by significantly enhancing DNRA in a paddy field	39
Application of biochar-based photocatalysts for adsorption-(photo)degradation/reduction of environmental contaminants: mechanism, challenges and perspective	38
Stability and interaction of biochar and iron mineral nanoparticles: effect of pH, ionic strength, and dissolved organic matter	37

Insights into simultaneous adsorption and oxidation of antimonite [Sb(III)] by crawfish shell-derived biochar: spectroscopic investigation and theoretical calculations	32
Unravelling how biochar and dung amendments determine the functional structure and community assembly related to methane metabolisms in grassland soils	30
Unraveling natural aging-induced properties change of sludge-derived hydrochar and enhanced cadmium sorption site heterogeneity	30