The increment of NH 4 +-N may be caused by the rapid mineralization of easily degradable nitrogen-containing organic compounds, while the reduction of NH 4 +-N may be …
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Another potential explanation is the high SOM decomposition level in the control treatment at high temperature. ... relatively resistant soil C pools may be more sensitive to …
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Most humid subtropical soils of India are accompanied by high temperatures and high annual rainfall. These provide environments conducive to high microbial activities and low …
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The temperature sensitivity of Vmax is negatively related to the activation energy based on the Arrhenius equation; a highly efficient soil enzyme system depends on lower …
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Additionally, the remediation efficiency of PS-AOPs is easily affected by natural substances in the soil, the low solubility of organic pollutants, and the restriction of activation …
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This was likely due to a strong PFAS-sorption to the high-TOC soil itself, as well as biochar pore clogging in the presence of abundant organic matter, resulting in fewer sorption …
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Based on those two theories, we hypothesized that: i) the K m of enzymes have greater flexibility at low culture temperatures, and will be stable at high culture temperatures …
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However, based on Arrhenius and enzyme kinetics, our E a results suggest that organic matter in the heavy, mineral-associated (adsorbed) soil fraction will be relatively more …
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Nutrient addition and pH compensation appear to promote microbial proliferation in unaltered and low-intensity heated treatments, but not in those heated at the highest …
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In addition, soil on which compost products are applied has a positive effect on crop yields, and the long-term effects of compost application are good. Compost containing high …
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The effect of temperature on soil bio decomposition impacts on global warming too. The rate at which soil organic matter, SOM, is decomposed is temperature dependent and …
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The main mechanisms in the microwave heating-activated PS process include microwave induced thermal activation; high-temperature desorption processes; high …
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Chemical activation is known to be beneficial compared to physical activation considering it has a higher activation efficiency, lower carbon burn-off, high activated carbon …
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Variation in soil temperature (very low to high temperature) affects the absorption of soil water by the plant roots. ... Soil temperature influences organic matter decomposition, …
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We analyzed reaction rates, thermal stability indices, and activation energies (Ea) during (i) microbial respiration (Ea (Rh)) and (ii) controlled combustion by differential scanning calorimetry...
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The process of thermal decomposition of organic materials in an oxygen-free environment under the temperature range of 250−900 °C is called pyrolysis [60].This process …
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Here, we focused on three main grassland types (alpine meadow, steppe, and desert) and conducted a soil incubation experiment at five different temperatures (5, 10, 15, 20, and 25°C) …
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Several hundred million tons of dredged sediment (DS) with high moisture content, high organic content, and extremely low shear strength was annually produced all over the …
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Intrinsic temperature sensitivity of soil organic carbon (SOC) pools is the inherent response of their decomposition rate to temperature. ... (1), it is clearly implied that recalcitrant …
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It is interesting to note that most of the organic compounds undergo complete degradation at a high temperature of 70°C with a first-order reaction kinetics. ... in PS is …
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Soil temperature, soil moisture and oxygen concentration are among the most important variables that influence the rate of soil organic carbon (SOC) decomposition and its …
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The effects of temperature on mineralization in the two soils studied were in keeping with those reported by other authors, the temperature coefficient and activation parameters …
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Results showed temperature-dependent decomposition rates from 20°C to 40°C or 50°C typical for enzymatic activity. From 40°C to 60°C, changes in the rates are less …
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To test our hypothesis we collected soil from the Tibetan Plateau and incubated the samples for one month over a temperature range of 0–40 °C (with 5 °C steps) and determined …
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Soil organic matter from sites with low mean annual temperature appear to consist of high activation energy and energy yield, while SOM from sites with high mean annual …
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Peroxymonosulfate (PMS)-based Fenton-like processes appear as promising strategies for the soil and groundwater remediation of refractory organic pollutants, due to its high stability and …
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high activation energies (i.e., slow rates) will experience greater proportional increases with increasing tempera-ture than will those with low activation energy (i.e., fast rates). While this …
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1 INTRODUCTION. The effects of increasing temperature on the stability of organic carbon (C) in soil is a primary source of uncertainty in forecasting future atmospheric CO 2 levels and C turnover. Globally, soils hold …
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Soil organic matter (SOM) is a major source of ... organic matter than that of labile substrates (Dai et al., 2017). The activation energy theory regarding the temperature …
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We analyzed reaction rates, thermal stability indices, and activation energies (Ea) during (i) microbial respiration (EaRh) and (ii) controlled combustion by differential scanning calorimetry …
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