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
2024101;Lignocellulose hydrothermal artificial humic acid production: Reaction parameters screening and investigation of model/real feedstock most commercial humic
202441;In the aerobic composting process, the formation of humic acid precursors predominantly occurs during the heating and thermophilic phases, while substantial
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
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
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
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
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
20241015;Valorization of lignite wastes into humic acids: Process optimization, energy efficiency and structural features analysis. Renew Energy () Unlocking the potential of
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
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
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
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.
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
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
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
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
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
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,
202075;Hümik Asit Üretimi
2017612;Production; Products Picture; HUMIC ACIDS. Amino Humate; Ammonium Humate; Bio Fulvic Acid; Boron Humate; Chitin Humate; Humic Acid; Mineral Fulvic Acid; Nitro
202075;Hümik Asit Üretimi
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
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
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,
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