Humic acid is a kind of natural macromolecule organic acid compound widely existing in nature It is abundant in soil peat lignite weathered coal and water It is formed by the biological and chemical effects of animal and plant residues over a long period of time Humic acid biofertilizer can improve soil environment and fertility
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Humic acid process uses chemical method to extract humus from weathered coal or lignite so it can be used as raw material of highend organic fertilizers Our humic acid equipment sets use alkali solubilization and acid precipitation process namely alkaline lysis to produce humic acid
This humic acid source is a weathered type of oxidized subbituminous coal rich in humic substances Our Humic source is similar to the commonly found Leonardite lignite coal BUT our source contains a higher concentration of Humic substances and significantly lower levels of ash and heavy metals such as lead arsenic and mercury
Humic Acid 60 1period Property Humic Acid 60 is exploited from weathered coal and produced by special equipmentperiod The color is dark brown or blackperiod It is well known on high biological activity and rich organic matterperiod It can be applied in all types of soilcomma such as alkalinecomma sandycomma acid podzolcomma saline soils and so onperiod As powder or
2 Production of Humic Acid Fertilizer for Agriculture Suitable types Lignite weathered coal peat etc Advantages Humic acid fertilizer has the advantages of improving soil improving crop production and avoiding soil consolidation It is a kind of “green environmental protection” hightech fertilizer which realizes the efficient
The most promising resources for humic acid development are lowcalorie coals such as peat lignite and weathered coal Among them the humic acid content is 1080 Humic acid is a macromolecular organic substance widely found in nature
The present invention relates to a humic acid composite fertilizer and its production method Its composition is composed of wt 3070 of leonardite containing 5075 of human acid 1040 of urea 315 of phosphoammonium 030 of potassium chloride 030 of potassium sulfate 010 of potassium hydroxide 012 of potassium carbojnate and 03 of trace element
Humic acid also catalyzes toxic pollutants’ breakdown in order to decompose silica to release important mineral nutrients which may promote product demand in global market However during chlorination process humic acid present in treated drinking water can react with chemicals to produce fumigates such as dihaloacetonitriles
Apr 20 2017 · This study deals with the extraction and characterization of humic acids from low rank coals of Thar Chakwal and Quetta Three respective coal samples were initially oxidized with 2 HNO 3 and then treated with 25 3 and 35 KOH solutions for the extraction of humic acid The 35 concentration of KOH was found to be the optimum for the extraction of humic acid
Mar 20 2014 · Fulvic acidthe acid radical found in humic matter which is soluble in alkali acid methyl ethyl ketone and methyl alcohol Fulvates the salts of fulvic acid Leonardite a soft brown coallike deposit usually found in conjunction with deposits of lignite
The invention relates to a method for producing sodium humate potassium humate with a drying method Firstly samples of weathered coal or wood coal are analyzed and assayed the content of humic acid of the samples is calculated the weathered coal or the wood coal are added into a semiclosed reaction tower sodium hydroxide potassium hydroxide which accounts for 520 percent
HuMic contains a naturally mined mineral called leonardite that amends the soil and enhances the benefits of any fertilizer applications Leonardite is weathered brown coal that contains humic acid hence its name These humates are a mild acid that dissolve the minerals in soils and make them available to plants
May 31 2019 · Humic acids derived from Chinese weathered coal were oxidized with hydrogen peroxide H2O2 under various conditions and their chemical composition and structure were examined The raw material humic acids HA and oxidized humic acids OHAs were characterized by elemental analysis and ultraviolet visible UVVis Fourier transform infrared FTIR and solidstate 13C nuclear
Jan 01 2017 · NMR spectra of the humic acid fractions derived from Chinese weathered coal bsy unselective CPTOSS a c e and dipolardephased techniques b d f Table 3 The assignment of functional groups in the different chemical shift regions and their relative proportions determined by CPTOSS and dipolardephased techniques in the humic acid
2 Production of Humic Acid Fertilizer for Agriculture Suitable types Lignite weathered coal peat etc Advantages Humic acid fertilizer has the advantages of improving soil improving crop production and avoiding soil consolidation It is a kind of “green environmental protection” hightech fertilizer which realizes the efficient
Jan 01 2017 · NMR spectra of the humic acid fractions derived from Chinese weathered coal bsy unselective CPTOSS a c e and dipolardephased techniques b d f Table 3 The assignment of functional groups in the different chemical shift regions and their relative proportions determined by CPTOSS and dipolardephased techniques in the humic acid
Geochemical Study of Weathered Coal a CoSubstrate for Bioremediation of biologically induced humic acidlike substance enrichment of discard and spoil to increase e cacy Coal mining is the process of extracting coal from the ground Coal is valued for its energy content and since the 1880s has been widely used to generate
The humic acid contained inside the weathered coal went through thermal decomposition as temperature rising and generated gases This resulted in increasing concentrations of CO CO2 CH4 C2H4 and C2H6 Changes of CH4 C2H4 and C2H6 gases were also similar For weathered coal concentrations of three gases were kept in balance under low
Feb 15 2017 · Humic acid as an oxidation product of peat and coal are used as a simple proof of their weathering Bouška 1981 and Van Krevelen 1993 described the isolation procedure of humic substances from weathered coal by treatment with sodium hydroxide solution Such humic acids may be quantitatively determined by boiling them with an acidulated
Humic Acid Leonardite and humate are terms to describe a variety of naturally occurring lithologies with high humic acid content including weathered oxidized lignite subbituminous coal and a variety of carbonaceous rocks such as mudstones shales and claystones
The technology of mechanochemical oxidative modification of brown coal in solid phase was developed and scaled using flowtype equipment With the oxidized brown coal BCox the yield of humic
Shandong Chuangxin Humic Acid Technology CoLtd Shanxi Huaxin Coke Coal Industrial Co Ltd was founded in 1998 with total assets of RMB 10 billion covering coal mining coal washing coke chemical fertilizer real estate tourism liquor and other related industries AMMONIUM 200 thousand tons NITRIC ACID 300 thousand tons AMMONIUM NITRATE 400
Mar 20 2014 · Fulvic acidthe acid radical found in humic matter which is soluble in alkali acid methyl ethyl ketone and methyl alcohol Fulvates the salts of fulvic acid Leonardite a soft brown coallike deposit usually found in conjunction with deposits of lignite
Oct 17 2020 · With advanced technologies and facilities strict quality control reasonable price superior service and close cooperation with customers we are devoted to providing the best value for Humic Acid Function Humic Acids Solution Humic Acid Factory we keep an eye on our everexpanding product range and make improvement to our services
FIELD agriculture SUBSTANCE method of production of watersoluble 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
Jul 14 2019 · Leonardite ranges considerably in humic and fulvic acid content For example deposits can have as low as 10 humic acid content and as high as 78 It’s derived from Lignite based coal and was formed in salt water deposits The other 2090 of the product that isn’t the active ingredient is made up of ash and heavy metals
View reliable Organic Fertilizer manufacturers on This category presents Fertilizer Humic Acid from China Organic Fertilizer suppliers to global buyers page 6
Our Production Facility Earthgreen Products Inc’s production facility is located in Northwest New Mexico USA It was founded in 1991 and continues to operate on a fulltime basis under the management and control of principals at Earthgreen Products Inc
Humic acid process uses chemical method to extract humus from weathered coal or lignite so it can be used as raw material of highend organic fertilizers Our humic acid equipment sets use alkali solubilization and acid precipitation process namely alkaline lysis to produce humic acid
The use of humic acid HA a constituent of low rank coal and fly ash FA as potential scrubber chemicals for the treatment of water pollution arising from coal combustion effluents is investigated HA is characterized and purification processes are described
Basic characteristics of humic acid HA and fulvic acid FA extracted from three kinds of weathered coal of different coalproducting districts China by the standard method of International
Generally the required fineness of humic acid application is in the range of 10400 can use Kefids humic acid grinding mill for the first crushing process We provide a full set of crushing lifting grinding packaging and other equipment to onestop complete the confituration of professional technical people will
Shanxi Vanhuai Humic Acid Processing Co Ltd is a leading humic acid products producer in China It is located in the Coal Capital of China – Shanxi province It is specialized in RD and manufacturing of humic acid products including potassium humate sodium humate potassium fulvate and humic acid
Potassium humate High grade fertilizer humic acid granule potassium humate Humic acid agricultural products series heavy metal contaminated soil remediation series and nonantifeed additive series e and surface weathered coal dark black bright nontoxic non corrosive
Weathered Coal Oxidized coal that contains humic acids due to weathering process Roybal and Barker 1987 Weathered Lignite True leonardite Siemers and Waddell 1977 Fresh Coal Before weathering and contains little or no humic acid Hoffman etal 1996
FIELD coalchemical products SUBSTANCE weathered vitrinite brown coals from BagaNursk coal field having ash level 3648 and moisture 20 are ground to granule size 0509 mm Resulting powder us sulfurized for 68 h with 98 sulfuric acid at 6080°С and coaltoacid
FIELD agriculture SUBSTANCE method of production of watersoluble 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
Mar 20 2014 · Fulvic acidthe acid radical found in humic matter which is soluble in alkali acid methyl ethyl ketone and methyl alcohol Fulvates the salts of fulvic acid Leonardite a soft brown coallike deposit usually found in conjunction with deposits of lignite
May 31 2019 · Humic acids derived from Chinese weathered coal were oxidized with hydrogen peroxide H2O2 under various conditions and their chemical composition and structure were examined
The invention relates to a humic acid fertilizer which in detail relates to a process for preparing humic acid ammonium compound fertilizer The process comprises following steps 1 grinding weathered coal in which the weight proportion of humic acid dry material is 5075 and weight proportion of water is 2030 with roller mill into weathered coal powder and 90 of the weathered coal
Beacon humic acid granular organic mineral fertilizer is exploited from weathered coal and produced by special equipment It can be applied in all types of soil such as alkaline sandy acid podzol saline soils and so on It can be applied to soil alone or mixed with nitrogen phosphorus and potassium or other fertilizers Contents Humic
Most humic and fulvic acids on sale today come from leonardite an earthy substance which comes from an unfinished carbonisation process During this transformation organic waste is compressed and heated over time being slowly transformed into peat then lignite coal and finally anthracite leonardite is formed when peat is transformed into
