The production process of humic acid

Production of humic substances through coal-solubilizing …

2014-10-9 · Abstract. In this paper, the production of humic substances (HS) through the bacterial solubilization of low rank coal (LRC) was evaluated. The evaluation was carried out by 19 bacterial strains isolated in microenvironments with high contents of coal wastes. The biotransformed LRC and the HS produced were quantified in vitro in a liquid growth ...

Production of artificial humic acid from biomass residues …

2022-2-10 · Humic substance is vital for soil fertility and has wide applications such as soil remediation agents, organic fertilizer and adsorbents. The results of pH effect on artificial humic acids (AHAs) production demonstrated that acid hydrothermal conditions are favorable for biomass waste dissolution and formation of AHA precursors such as saccharides, furans, …

Urea, process units and the production technology of a …

CN-107141176-A chemical patent summary.

Production process of urea formaldehyde humic acid …

2021-12-11 · The urea formaldehyde humic acid compound fertilizer production process shortens the urea formaldehyde synthesis process,and directly granulates in the granulation drum,and the reaction heat is favorable for the compound fertilizer granulation.The process utilizes the concentrated liquid method to avoid excessive moisture being introduced into the drum …

Humic acid ammonium production process

2022-4-19 · The weathered coal is crushed to less than 1 mm, mixed with ammonium bicarbonate at a concentration of 8% (as measured by nitrogen content), and the water content of the material is 35% -40%, at a temperature of 80 to 90 ° C, the reaction for 24 h, that is, humic acid ammonium. The process principle of the method is: using metathesis reaction ...

Humic acids from coal. Production, characterization and …

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 …

Humic Acid Manufacturing Industry. Production of Humic Acid

Production of artificial humic acid from biomass residues

Humic Acid Manufacturing Industry

Humic Acid Manufacturing Industry. Production of Humic Acid. Humic acid is any of a variety of organic acids obtained from organic constituents of soil (humus), coal, and peat. It is also a key component of ocean water, dystrophic lakes, and upland streams. The process by which these acids are formed from humus is not well understood, but it is ...

Effectiveness of the process for production humic acids …

Download Citation | Effectiveness of the process for production humic acids from lignite by alkaline extraction at varying time and temperature | …

PROCESS FOR THE PRODUCTION OF HUMIC SUBSTANCES …

The process according to claim 2, wherein the humic acid obtained in the precipitating the humic acid is successively oxidized to fulvic acid by adjusting a pH value of about 14. 12. The process according to claim 10, wherein the humic acid and fulvic acid are used enriched with mineral ions or concentrated after neutralization to be ...

Production of oxidized humic acids by an oxygen-alkali …

1996-1-26 · A method is disclosed for the production of oxidized humic acids. The process of the invention comprises reacting humic acid bearing ores with oxygen under alkaline conditions at a temperature between 100° C. and 200° C. for at least 1/2 hour, but usually for 1-2 hours, to produce oxidized humic acids which are soluble at pH as low as 2.9 and which are formed in …

Potassium Humate Details And Its Manufacturing Process

2017-6-12 · Potassium Humate Manufacturing process. 1.raw material. 1.1 Select leonardite or lignite. 1.2Natural oxidization for more than 3month. 1.3Crushing into fine powder. 2 emical reaction. 2.1Supply raw material to reaction tank. 2.2Treat humic acid raw material with alkaline (KOH) at certain ratio under high pressure and temperature,complete ...

humic acid production process for sale

All Verified humic acid production process suppliers & humic acid production process manufacturers have passed our Business License Check, they can provide quality humic acid production process products.

Production of Humic Acid by a Bacillus megaterium Strain …

2017-9-13 · Effect of Initial pH on the Production of Humic Acid by Bacillus megaterium Strain AS019 Using Vinasse. In this experiment, the initial pH was adjusted to 4.0, 5.0, 6.0, 7.0, and 8.0. The bacteria of Bacillus megaterium strain AS019 were cultured at 160 rpm at 25 °C for 5 days, and then the concentration of humic acid was measured. As shown in Fig. 1, the initial pH …

Identification of extraction methods for the production of …

The humic acids extracted by means of HAp method and HApA had a positive effect on plant growth, when extracted from bagasse and Eucalyptus black liquors. Humic acids extracted by HAp from pine liquor had an inhibitory effect on plant growth. A possible process flow for the large-scale production of humic acids from black liquor was formulated.

What are humic acid fertilizer? | Articles | AgFuse

2019-9-2 · Now humic acid have been widely used in agricultural production in recent years due to their unique physiological functions. Adding a small amount of humus to an acre of soil can improve soil condition. Mechanism of humic acid action. Humic acids range in molecular size from 10,000 to 100,000,and combine mixtures of carbon chains and carbon rings.

Extraction Study of Nitro Humic Acid from Lignite by Dry …

Nitro humic acid was extracted from lignite of Guizhou Anshun, which production condition and process were studied. The results show that the optimum conditions of dry process are concentration of nitric acid of 40%, reaction temperature of 95°C, reaction time of 5 min. The optimum conditions of wet process production are concentrations of nitric acid of 20% ~ 25%, …

Humic Acids

2020-5-8 · 8 Humic acid 9 68131Humic acid, sodium salt 10 Humic acid, potassium salt 11 Humates 12 13 ... This process begins with microorganisms separating out sugars, starches, proteins, cellulose, and ... 50 serves as a key mined source for the production of humic acids. The humification process that yields

humic acid fertilizer granulator machine

Use fertilizer granulator machine and other equipment to process humic acid to improve product effects. ... Humic acid biofertilizer production method Jan 11, 2019 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 ...

Humic Acid Compound Fertilizer Production Process

2022-6-6 · Production method:With peat, lignite and weathered coal as raw materials, first acidification reaction with sulfuric acid and humic acid in weathered coal to produce free humic acid and calcium sulfate with small solubility, then neutralize humic acid with ammonium bicarbonate to produce water-soluble humic acid ammonia, adding appropriate ...

Humic acid biofertilizer production method

2019-1-11 · Here is a production method of humic acid biofertilizer. 1. First, crush the weathered coal, and then screen the material with screener machine. The weathered coal fines are further processed. 2. Adjust the moisture content of weathered coal to 30%, add 10% monovalent ions and 20% stabilizers, mix evenly, and place them at room temperature for ...

Degradation characteristics of humic acid during photo …

Changes in the molecular and structural characteristics of humic acid (HA) during photo-Fenton processes were studied. When aqueous solutions at pH 5.0, which contained HA, Fe(III), and H2O2, were irradiated (lambda > 370 nm), the concentrations of total organic carbon (TOC) decreased with increasing irradiation time, indicating that a portion of the HA was mineralized …

Process for the production of carboxylic acids by acid …

DE-1199266-B chemical patent summary.

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 (H 2 O 2), and humic acids (HAs) were derived from original coal and its oxidizition samples.HAs ...

How Is The Formation Of Humic Acids — SAINT HUMICACID

Humic substances are formed by the microbial degradation of dead plant matter, such as lignin. They are very resistant to further biodegradation. The precise properties and structure of a given sample depend on the water or soil source and the specific conditions of extraction. Nevertheless, the average properties of humic substances from ...

Bifunctional photoelectrochemical process for humic acid …

Bifunctional photoelectrochemical (PEC) process for simultaneous hydrogen production and mineralisation of humic acid in water using TiO 2-1 wt% [email protected] 2 /Al 2 O 3 /Cu 2 O multi-layered p-type photoelectrodes is demonstrated. The newly designed bifunctional PEC system leads to a high degradation efficiency of dissolved humic compounds, the target pollutant, by up to 87% …

Humic Acid Manufacturing Industry. Production of …

2019-1-11 · The global humic acid market is on track to grow to reach a market value of USD 973.06 Mn by the end of 2023. Humic acid is derived from humic matter which is the result of chemical and biological humification of plant and animal matter in tandem with microorganism activities. Humic acid is rich in essential nutrients,

Humic Acid | Benefits and Method of Application for your …

2021-7-24 · Thus, application of humic acid play a very important role in nutrient uptake and Plant growth. Humic acid are very large & complex molecules extracted from organic matter and have been used in many ways for plant production. These acids are an excellent natural and organic way to provide plants and soil with a concentrated dose of essential ...

Effect of Humic Acids with Different Characteristics on …

Recently, the use of waste activated sludge to bioproduce short-chain fatty acids (SCFA) has attracted much attention as the sludge-derived SCFA can be used as a preferred carbon source to drive biological nutrient removal or biopolymer (polyhydroxyalkanoates) synthesis. Although large number of humic acid (HA) has been reported in sludge, the influence of HA on SCFA …