with weathered coal humic acid production methods

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Humic acid biofertilizer production method

2019-1-11 After mixing the treated weathered coal with urea and potassium sulfate, the humic acid biofertilizer was produced by the process of bio-organic fertilizer production lin e. The biofertilizer produced by this method can not only provide nutrients but also improve soil water storage capacity. It plays a great role in arid and semi-arid areas.

Geology and production of humate and weathered coal in

@article{osti_7043163, title = {Geology and production of humate and weathered coal in New Mexico}, author = {Roybal, G H and Barker, J M}, abstractNote = {Humic-acid-rich deposits exist in Arkansas, Florida, Louisiana, New York, North Dakota, Michigan, Minnesota, Texas, and Wyoming, and in New Mexico. New Mexico humic deposits are associated with coal in the northwestern part of the state ...

Humic acid biological fertilizer and its production method ...

The invention produces a new humic acid bio-fertilizer, which comprises: using weathered coal and good organic (such as maize-ear and domestic animal manure) as main material with mineral phosphorus, potash fertilizer, chemical nitrogen fertiliser and microelement ammonifying the wethered coal with size less than 80 items to mix with organic accessing composite ferment fungus for solid ...

Characterization of humic acids from original coal and its ...

2021-7-28 Five coal samples obtained from Chinese coal-producing areas were oxidized by hydrogen peroxide (H2O2), and humic acids (HAs) were derived from original coal

Method of production of concentrate of humic acid from ...

The method of producing water-soluble humic acids from caustobioliths of the coal family, which involves exposing caustobioliths to a potassium or sodium hydroxide solution with concentration of 2.0-4.0 wt %, separating the liquid phase, treating the liquid phase with acid, followed by separation in a centrifugal force field and separating the heavy phase, treating the obtained heavy phase with a hydroxide of

Effects of urea enhanced with different weathered coal ...

2019-3-1 Journal of Integrative Agriculture 2019, 18(3): 656â€“666 RESEARCH ARTICLE Available online at sciencedirect ScienceDirect Effects of urea enhanced with different weathered coal-derived humic acid components on maize yield and fate of fertilizer nitrogen ZHANG Shui-qin1, 2*, YUAN Liang1*, LI Wei1, LIN Zhi-an1, LI Yan-ting1, HU Shu-wen2, ZHAO Bing-qiang1 1 Key Laboratory of

(PDF) Humic acids from coal. Production, characterization ...

Different methods such as oxidation followed by alkaline extraction (Erdogan et al. 2007), solid phase activation process (Tang et al. 2017), bioconversion (Xiao et al. 2018;Tripathi et al. 2009),...

Production of Humic Acid by a Bacillus megaterium Strain ...

2017-9-13 Humic acid can be produced by a Bacillus megaterium strain, AS019, using vinasse (sugarcane mill wastewater) at an optimal concentration of 12 °Bx.

Method of production of water-soluble salts of humic acids

FIELD: agriculture. SUBSTANCE: method of production of water-soluble humic acids which includes drying of brown coal with a content of humic acids of at least 50%, crushing the brown coal, processing the crushed coal with the alkaline reagent, and brown coal before crushing is dried to a residual moisture content of no more than 20%, after crushing it is divided into fractions : more than 10 ...

Identification of extraction methods for the production

2017-12-16 the large-scale production of humic acids from black liquor was formulated. The possible process flow indicated that with the amounts of black liquor produced from pulp industry production of humic acids in South Africa is a possibility. Nevertheless, there is still more

Geology and production of humate and weathered coal in

@article{osti_7043163, title = {Geology and production of humate and weathered coal in New Mexico}, author = {Roybal, G H and Barker, J M}, abstractNote = {Humic-acid-rich deposits exist in Arkansas, Florida, Louisiana, New York, North Dakota, Michigan, Minnesota, Texas, and Wyoming, and in New Mexico. New Mexico humic deposits are associated with coal in the northwestern part of the state ...

The production of the humic acid compound fertilizer

2021-1-20 Production method:take peat,lignite and weathered coal as raw materials,first use sulfuric acid to carry out acidification reaction with humic acid in weathered coal to produce free humic acid and calcium sulfate with small solubility,then use ammonium bicarbonate to neutralize humic acid to produce water-soluble humic acid ammonia,add proper ...

Different chemical activation of humic acid from

HA activated coal is the new production of humic preparations to be used in the branch of agriculture in recent years. Two commonly used methods (Nitric acid oxidation method and Potassium hydroxide extraction method) were used to activate the weathered coal to find out the best method of making humic acid.

Production process of sodium humate - khumic

2021-4-10 Sodium humate is an easily soluble humic acid fertilizer. It uses a certain proportion of sodium hydroxide solution to extract humic acid from weathered coal, and after separating it from the residue, it is concentrated and dried to obtain a solid sodium humate product. According to the state of the finished products of sodium humate, they can be divided into four categories: powder, flakes ...

Effects of urea enhanced with different weathered coal ...

2019-3-1 Journal of Integrative Agriculture 2019, 18(3): 656â€“666 RESEARCH ARTICLE Available online at sciencedirect ScienceDirect Effects of urea enhanced with different weathered coal-derived humic acid components on maize yield and fate of fertilizer nitrogen ZHANG Shui-qin1, 2*, YUAN Liang1*, LI Wei1, LIN Zhi-an1, LI Yan-ting1, HU Shu-wen2, ZHAO Bing-qiang1 1 Key Laboratory of

(PDF) Humic acids from coal. Production, characterization ...

The isolated coal-derived humic acid is found to be high degree of humifications and relatively stable up to about 200 °C. The FTIR study indicates the formation of metal-humic acid complexes. On ...

Production of Humic Acid by a Bacillus megaterium Strain ...

2017-9-13 Humic acid is a class of heterogeneous chemicals that are widely distributed on the earth’s surface (Stevenson 1994), and is a black or brown amorphous organic polymer colloid containing carboxyl, carbonyl, quinone, and methoxy groups.Humic acid has properties such as weak acidity, hydrophilicity, cation exchange, complexation, redox, and strong adsorption capacity (Fein et al. 1999).

New Method for the Production of Barium Humate from ...

2015-6-30 Ba-Humate, Humic Acid, Leonardite 1. Introduction Humic acids (HAs) are present in soils, natural waters, river, lake and sea sediments, peat, brown and brown- black coals and other natural materials as a product of chemical and biological transformations of animal and plant residues [1]. Coal humic substances are formed as intermediate product ...

Identification of extraction methods for the production

2017-12-16 the large-scale production of humic acids from black liquor was formulated. The possible process flow indicated that with the amounts of black liquor produced from pulp industry production of humic acids in South Africa is a possibility. Nevertheless, there is still more

Beneficiation of Weathered Coal

2020-3-19 the recovery of the pillar coal, it may be expected that the coal left in the pillars could be weathered. Weathering of coal is a degenerative process and is known to have several negative effects on coal. The following properties of coal are affected by weathering: Heat value Moisture content Volatile matter content Size consist Surface chemistry

The production of the humic acid compound fertilizer

2021-1-20 Production method:take peat,lignite and weathered coal as raw materials,first use sulfuric acid to carry out acidification reaction with humic acid in weathered coal to produce free humic acid and calcium sulfate with small solubility,then use ammonium bicarbonate to neutralize humic acid to produce water-soluble humic acid ammonia,add proper ...

Geology and production of humate and weathered coal in

@article{osti_7043163, title = {Geology and production of humate and weathered coal in New Mexico}, author = {Roybal, G H and Barker, J M}, abstractNote = {Humic-acid-rich deposits exist in Arkansas, Florida, Louisiana, New York, North Dakota, Michigan, Minnesota, Texas, and Wyoming, and in New Mexico. New Mexico humic deposits are associated with coal in the northwestern part of the state ...

Production method of new bio-fertilizer - Patent - Europe PMC

2006-6-2 The process of producing new type of fertilizer includes the following steps: replacing Ca2+ and Mg2+ ions in humic acid of weathered coal containing water less than 30 % while adding stabilizer to deactivate the replaced Ca2+ and Mg2+ ions for preventing re-complexing with humic acid and raising the water soluble humic acid content after being stoved to over 80 % inoculating soil microbe ...

Humic acid fertilizer production for green agricultural ...

2020-9-3 Types of hot acid fertilizer and organic fertilizer equipment. Lactic acid fertilizer refers to the different production methods of peat, lignite and weathered coal to produce a large amount of formic acid, nitrogen, phosphorus, potassium and some trace elements needed for crop growth and development. As the raw material of organic fertilizer production equipment, blood acid plays an important ...

Method of production of concentrate of humic acid from ...

FIELD: agriculture. SUBSTANCE: method of production of water-soluble humic acids which includes drying of brown coal with a content of humic acids of at least 50%, crushing the brown coal, processing the crushed coal with the alkaline reagent, and brown coal

HUMIC ACID PRODUCTION METHODS FROM LEONARDITE

articles / humic acid production methods from leonardite source Leonardite is a 100% organic matter, that is easily soluble in alkaline solutions. It is a rich source of humic-folic acid and is used as a soil conditioner as a stabilizer for ion-exchange and accelerate microbial action.

Geochemical Study of Weathered Coal, a Co-Substrate for ...

2019-12-11 Geochemical Study of Weathered Coal, a Co-Substrate for Bioremediation of South African Coal Discard Dumps ... biologically induced humic acid-like substance enrichment of discard and spoil to increase e cacy ... annual production rates in excess of 42 million and 11 million tonnes for discard coal and slurry, respectively; annual discard ...

Production of Humic And Fulvic Acid From Low Grade Coals ...

2021-5-17 It has been investigated that humic acid and fulvic acid, which have been used rapidly in recent years, are obtained from low quality coals by oxidative method with the help of phase transfer catalysis. The coal sample was oxidized at 60°C with sulfuric acid, nitric acid and hydrogen peroxide in the presence of catalyst. Impurities such as calcium and magnesium were removed with hydrogen ...

Combining humic acid with phosphate fertilizer affects ...

2020-10-15 Humic acid (HA) was extracted from weathered coal (45°23′ N, 119°15′ E; Huolinhe, Tongliao, Inner Mongolia Autonomous Region, Northeast China) by a modified alkali extraction method

Identification of extraction methods for the production of ...

2017-12-16 the large-scale production of humic acids from black liquor was formulated. The possible process flow indicated that with the amounts of black liquor produced from pulp industry production of humic acids in South Africa is a possibility. Nevertheless, there is still more

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