121;Commercial humic substances (HS) are usually extracted from non-renewable resources such as lignite and coal. In this study, artificial HS (mainly humic-like acid (HLA) and
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2024101;Lignocellulose hydrothermal artificial humic acid production: Reaction parameters screening and investigation of model/real feedstock most commercial humic
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202441;In the aerobic composting process, the formation of humic acid precursors predominantly occurs during the heating and thermophilic phases, while substantial
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71;Due to the positive effect on soil structure and the influence on improving the efficiency of plant roots nutrient uptake, humic acids (HA) are widely considered for fertilizer
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111;Humic substances (HSs) have been proven as an effective additive for maintaining soil quality and improving fertilizer utilization [12].HSs are brownish-black or
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728;Huculak-Mączka, M., Hoffmann, J. & Hoffmann, K. Evaluation of the possibilities of using humic acids obtained from lignite in the production of commercial fertilizers. J. Soils
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202492;In this study, response surface methodology (RSM) was adopted to investigate the optimization of process conditions for extracting humic acid (HA) from coal, aiming to
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111;Humic substances (HSs) have been proven as an effective additive for maintaining soil quality and improving fertilizer utilization [12].HSs are brownish-black or
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20241015;Valorization of lignite wastes into humic acids: Process optimization, energy efficiency and structural features analysis. Renew Energy () Unlocking the potential of
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31;The acid extraction method has many impurities due to which this method is not much practiced and hence humic acid production is restricted. has been presented for
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20191020;The cleaner production of high purity and safe humic acid (HA) with very low concentration of heavy metals leads to achieve a final product with potential economic value in
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324;Current research focuses on extracting humic acid (HA) compounds from low-rank coals to obtain high value-added products. In this study, HAs with high purity and low
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A method has been developed and tested for isolating humic acids and fulvic acids from lignite. The yields are high: up to 68.0% for humic acids; and up to 9.6% for fulvic acids.
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121;Commercial humic substances (HS) are usually extracted from non-renewable resources such as lignite and coal. In this study, artificial HS (mainly humic-like acid (HLA) and
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Soda lignin is highly pure due to its production in a sulfur-free pulping process. Cao X, Drosos M, Leenheer JA, Mao J. Secondary structures in a freeze-dried lignite humic acid fraction caused by hydrogen-bonding of acidic protons with
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where M Y (g) represents the mass of lignite; M ad (%) stands for the water content in the raw lignite; M C (g) denotes the mass of the residue remaining after HA extraction. The moisture
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2019331;Humic acid (HA) was extracted by a hydrothermal method from Huolinhe lignite from Inner Mongolia. The effects of the alkali-to-carbon mass ratio, water-to-coal mass ratio, reaction temperature
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20191020;In general, the production and purification of HA is based on the elimination of insoluble humin microparticles from the products of an alkaline extraction process followed by
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The giant humic acid molecules were formed thousands of years ago and we extract them from peat and lignite through a gentle process . They play a key role in activating the soil’s fertility,
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202075;Hümik Asit Üretimi
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2017612;Production; Products Picture; HUMIC ACIDS. Amino Humate; Ammonium Humate; Bio Fulvic Acid; Boron Humate; Chitin Humate; Humic Acid; Mineral Fulvic Acid; Nitro
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202075;Hümik Asit Üretimi
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where M Y (g) represents the mass of lignite; M ad (%) stands for the water content in the raw lignite; M C (g) denotes the mass of the residue remaining after HA extraction. The moisture
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group were studied as initial feed material. The yield of humic acids from lignites of the Kharanorsk deposit was rather low and varied from 6 % to 17 % for dry fuel with average of
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The giant humic acid molecules were formed thousands of years ago and we extract them from peat and lignite through a gentle process . They play a key role in activating the soil’s fertility,
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20241228;In the current study, extraction of humic acid (HAs) from lignite fines of kutch basin of Gujarat (western India) were reported. The extraction was done by International
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