Nanostructure of Gasification Charcoal (Biochar).

08:00 EDT 13th March 2019 | BioPortfolio

Summary of "Nanostructure of Gasification Charcoal (Biochar)."

In this work, we investigate the molecular composition and nanostructure of gasification charcoal (biochar) by comparing it with heat-treated fullerene arc-soot. Using ultrahigh resolution Fourier transform ion-cyclotron resonance and laser desorption ionisation time of flight mass spectrometry, Raman spectroscopy and high resolution transmission electron microscopy we analysed charcoal of low tar content obtained from gasification. Mass spectrometry revealed no magic number fullerenes, such as C or C, in the charcoal. The positive molecular ion m/z 701, previously considered a graphitic part of the nanostructure, was found to be a breakdown product of pyrolysis and not part of the nanostructure. A higher mass distribution of ions similar to that found in thermally treated fullerene soot indicates that they share a nanostructure. Recent insights into the formation of all carbon fullerenes reveals that conditions in charcoal formation are not optimal for fullerenes to form, but instead curved carbon structures coalesce into fulleroid-like structures. Microscopy and spectroscopy support such a stacked, fulleroid-like nanostructure, which was explored using reactive molecular dynamics simulations.


Journal Details

This article was published in the following journal.

Name: Environmental science & technology
ISSN: 1520-5851


DeepDyve research library

PubMed Articles [523 Associated PubMed Articles listed on BioPortfolio]

Adsorption and degradation in the removal of nonylphenol from water by cells immobilized on biochar.

To investigate the role of adsorption by biochar and biodegradation by bacteria in the wastewater treatment system of microorganisms immobilized on biochar, Nonylphenol (NP) removal (adsorption + de...

Effect of gasification biochar application on soil quality: Trace metal behavior, microbial community, and soil dissolved organic matter.

Compared to pyrolysis biochar (PBC), gasification biochar (GBC) differs in both composition and surface functionalities due to the use of an oxidizing purging gas. This work compares the effect of usi...

Combining biochar and sewage sludge for immobilization of heavy metals in mining soils.

Excess heavy metal concentrations in mining areas is a worldwide problem due to their toxicity and persistence. Applying amendments to those areas is a cost-effective remediation technique that would ...

Gasification reactivity of co-pyrolysis char from coal blended with corn stalks.

The gasification reactivity of coal and corn stalks co-pyrolyzed char is studied using thermogravimetric analysis, and the influence of co-pyrolysis on co-gasification reactivity is quantitatively cha...

Steam co-gasification of different ratios of spirit-based distillers' grains and anthracite coal to produce hydrogen-rich gas.

In this study, the gas release rate and gas composition in the steam gasification of blends of anthracite coal and spirit-based distillers' grains (SDG) with mass ratios of 3:1, 1:1, and 1:3 were stud...

Clinical Trials [25 Associated Clinical Trials listed on BioPortfolio]

Phenytoin and Multidose Activated Charcoal

Phenytoin is a medicine used to treat seizures. If too much is taken, patients have ill effects including sleepiness, unsteady gait, and eye problems. The amount of drug in their system ca...

Investigation How CG5503 is Taken up and Excreted From the Body After 2 Minutes Intravenous Infusion With and Without Oral Co-administration of Charcoal

This was a Phase I study in 12 healthy male participants to compare the pharmacokinetic properties of CG5503 (how it is taken up and excreted from the body) after 2 minutes intravenous (i....

Effect of Charcoal on Gastrointestinal Absorption of Tiotropium

The PK of tiotropium is compared after orally administered tiotropium capsule with and without concomitant oral activated charcoal administration. The efficiency of the charcoal block meth...

Study To Determine Bioavailability of Sotagliflozin in Healthy Male and Female Subjects

Primary Objective: To assess the absolute bioavailability of sotagliflozin via administration of an intravenous (IV) microdose of a 14C-sotagliflozin tracer on top of a single oral dose o...

A Study on The Effect of Multiple Doses of Activated Charcoal on The Pharmacokinetics of a Single Dose of RO4995819

This open-label, two period crossover study will evaluate the effect of multiple doses of activated charcoal on the pharmacokinetics of a single oral dose of RO4995819 in healthy volunteer...

Medical and Biotech [MESH] Definitions

An amorphous form of carbon prepared from the incomplete combustion of animal or vegetable matter, e.g., wood. The activated form of charcoal is used in the treatment of poisoning. (Grant & Hackh's Chemical Dictionary, 5th ed)

A product of hard secondary xylem composed of CELLULOSE, hemicellulose, and LIGNANS, that is under the bark of trees and shrubs. It is used in construction and as a source of CHARCOAL and many other products.

A nonmetallic element with atomic symbol C, atomic number 6, and atomic weight 12.011. It may occur as several different allotropes including DIAMOND; CHARCOAL; and GRAPHITE; and as SOOT from incompletely burned fuel.

Adsorption of substances from the gastrointestinal tract onto an orally administered sorbent medium like activated charcoal. This technique is used to eliminate toxic and some biologically active substances and serves to modify the lipid and amino acid spectrum of the intestinal contents.

Removal of toxins or metabolites from the circulation by the passing of blood, within a suitable extracorporeal circuit, over semipermeable microcapsules containing adsorbents (e.g., activated charcoal) or enzymes, other enzyme preparations (e.g., gel-entrapped microsomes, membrane-free enzymes bound to artificial carriers), or other adsorbents (e.g., various resins, albumin-conjugated agarose).

Quick Search


DeepDyve research library

Searches Linking to this Article