Characterization of humic acids in sediments from dam reservoirs by pyrolysis-gas chromatography/mass spectrometry using tetramethylammonium hydroxide: Influence of the structural features of humic acids on iron(II) binding capacity

Fukushima, Masami; Furubayashi, Ken; Fujisawa, Naotaka; Takeuchi, Mio; Komai, Takeshi; Otsuka, Kazuo; Yamamoto, Makoto; Kawabe, Yasunari; Horiya, Shigekazu

doi:10.1016/j.jaap.2011.03.008

Cited by 28 publications

(10 citation statements)

References 34 publications

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“…The aromatic compounds identified in HULIS were remarkably similar to pyrolysis products of HAs, FAs and lignin (Martin et al, 1994(Martin et al, , 1995del Rio et al, 1998;Chefetz et al, 2002;Li et al, 2006;Fukushima et al, 2011). All HULIS pyrograms present two distinct peaks at 32.8 min and 34.5 min (Nos.…”

Section: Sample Functional Groups (%)mentioning

confidence: 87%

Comparative study for separation of atmospheric humic-like substance (HULIS) by ENVI-18, HLB, XAD-8 and DEAE sorbents: Elemental composition, FT-IR, 1H NMR and off-line thermochemolysis with tetramethylammonium hydroxide (TMAH)

2013

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Section: Sample Functional Groups (%)mentioning

confidence: 87%

Comparative study for separation of atmospheric humic-like substance (HULIS) by ENVI-18, HLB, XAD-8 and DEAE sorbents: Elemental composition, FT-IR, 1H NMR and off-line thermochemolysis with tetramethylammonium hydroxide (TMAH)

2013

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“…Pyrrole, indole and their derivatives have been observed in pyrolytic oil from sewage sludge [22,42]. The indole derivatives were possibly formed from pyrolysis of tryptophane, while pyrrole derivatives were from serine and asparagines [43,44].…”

Section: Py-gcms Analysis Of Residual Bacterial Biomassmentioning

confidence: 99%

Production and characterization of bio-oil and biochar from the pyrolysis of residual bacterial biomass from a polyhydroxyalkanoate production process

Wei

Liang

Guho

et al. 2015

Journal of Analytical and Applied Pyrolysis

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a b s t r a c tPolyhydroxyalkanoate (PHA) production generates a significant amount of residual bacterial biomass (RBB) after PHA extraction. The RBB as a zero-value waste contains proteins, carbohydrates, phenolics, and ash, which can be managed and converted to bio-oil and biochar products by pyrolysis. Thermogravimetric analysis (TGA) was used to investigate the thermodegradation kinetics of RBB and pyrolysis-GCMS studies were employed to determine potential chemical products. Pyrolysis was conducted on a laboratory-scale auger reactor at 500 • C. The bio-oil and biochar yield were 28 and 46%, respectively. The pyrolysis bio-oil was characterized by the combination of GCMS, high-pressure liquid chromatography (HPLC), and electrospray ionization mass spectrometry (ESI-MS). The bio-oil was dominated by nitrogen-containing, hydrocarbons, and aromatic compounds. The biochar was studied for its specific surface area and pore size, chemical functionality by Fourier transform infrared (FTIR) and Raman spectroscopies, and butane absorption activity. Biochar was comprised of a large part of polycondensed phenolic and majorly disordered amorphous carbon.

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“…Elemental compositions (C, H, N, S and ash) and amino acid content were determined, as described in a previous report [21]. The percent of oxygen was calculated by subtracting the sum of the percent C, H, N, S and ash from 100%.…”

Section: Other Analysesmentioning

confidence: 99%

“…In TMAH-py-GC/MS, indole pyrolysate compounds (peaks 12, 14 and 17 in Fig. 1) are formed by the pyrolysis of tryptophan, and cannot be considered as quantitatively representative of the amino acid composition of a material [21,29]. The numerous of amide bands in FT-IR spectra of SWEOM (Fig.…”

Section: Structural Features Of Sweommentioning

confidence: 99%

“…The larger M w of SWEOM may be then due to dissolved phospholipid that becomes aggregated during the extraction process under the high ionic strength conditions used [53]. In addition, some of the ester-linkages may have been hydrolyzed during the isolation of the HAs, which involve alkaline extraction and acid treatments [21]. Thus, it is not possible to discriminate whether the detected fatty acids for HA and FA are derived from esters or free acid.…”

Section: Structural Features Of Sweommentioning

confidence: 99%

See 1 more Smart Citation

Characterization of seawater extractable organic matter from bark compost by TMAH-py-GC/MS

Iwai

Fukushima

Yamamoto

et al. 2013

Journal of Analytical and Applied Pyrolysis

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Characterization of humic acids in sediments from dam reservoirs by pyrolysis-gas chromatography/mass spectrometry using tetramethylammonium hydroxide: Influence of the structural features of humic acids on iron(II) binding capacity

Cited by 28 publications

References 34 publications

Comparative study for separation of atmospheric humic-like substance (HULIS) by ENVI-18, HLB, XAD-8 and DEAE sorbents: Elemental composition, FT-IR, 1H NMR and off-line thermochemolysis with tetramethylammonium hydroxide (TMAH)

Comparative study for separation of atmospheric humic-like substance (HULIS) by ENVI-18, HLB, XAD-8 and DEAE sorbents: Elemental composition, FT-IR, 1H NMR and off-line thermochemolysis with tetramethylammonium hydroxide (TMAH)

Production and characterization of bio-oil and biochar from the pyrolysis of residual bacterial biomass from a polyhydroxyalkanoate production process

Characterization of seawater extractable organic matter from bark compost by TMAH-py-GC/MS

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