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Spectroscopic characterization of water extractable organic matter during composting of municipal solid waste.
The results obtained show that the composting process decreased aliphatics, alcohols, polysaccharides, as well as protein- like materials, and increased aromatic polycondensation, humification, oxygen-containing functional groups, molecular weight, and humic-like materials. Expand
Physicochemical and spectroscopic characteristics of dissolved organic matter extracted from municipal solid waste (MSW) and their influence on the landfill biological stability.
The excitation-emission matrix spectra have shown that the principal components in excavated MSW comprised humic substances and the MSW was stable by the presence of a peak with wavelength pair of ∼280/420 nm, indicating the stability of MSW. Expand
Fluorescence excitation-emission matrix spectroscopy with regional integration analysis for characterizing composition and transformation of dissolved organic matter in landfill leachates.
The hydrophobic organic fractions and humic- and fulvic-like substances increased with time, whereas the HIM and the tyrosine-like materials decreased during the landfill process, rendering biological processing of leachates ineffective. Expand
Effect of inoculating microbes in municipal solid waste composting on characteristics of humic acid.
Municipal solid waste (MSW) compost contains a significant amount of humic substances, and mixed inoculation of MSW with complex microorganisms and lingo-cellulolytic during composting gave a greater degree of HA aromatization than inoculation with complexmicroorganisms or lingospecifics alone, indicating that inoculation in composting would improve the degree humification and maturation processes. Expand
Effect of water-extraction on characteristics of melting and solidification of fly ash from municipal solid waste incinerator.
The results showed that combing water-extraction and melting process could provide one of the alternatives for treating MSWI fly ash in China for reutilization. Expand
Assessment of humification degree of dissolved organic matter from different composts using fluorescence spectroscopy technology.
This study was conducted to assess the degree of humification in dissolved organic matter (DOM) from different composts, and their environmental impact after soil amending based on fluorescenceExpand
Reducing nitrogen loss and phytotoxicity during beer vinasse composting with biochar addition.
It was suggested that biochar addition at 15% was optimal for composting of beer vinasse, indicating higher microbial activity and attain phytotoxicity-free standard rapidly. Expand
Effect of organic acids production and bacterial community on the possible mechanism of phosphorus solubilization during composting with enriched phosphate-solubilizing bacteria inoculation.
It is pointed out that inoculation affected pH, total acidity and the production of oxalic, lactic, citric, succinic, acetic and formic acids and a possible mechanism of P solubilization with enriched PSB inoculation, which was induced by bacterial community and organic acids production. Expand
Changes in phosphorus fractions during organic wastes composting from different sources.
There were distinct differences in the concentration of P fractions for the composts generated from different sources, highest in chicken manure and pig manure, and an optimized mode of composting was suggested based on the characteristics of the P fractions from different raw materials. Expand
Relationship between bacterial diversity and environmental parameters during composting of different raw materials.
The primary environmental factors affecting bacterial species were identified, and a strategy to enhance the abundance of uncultured bacteria through controlling relevant environmental parameters was proposed. Expand