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Humic Acid Lignite Coal Based Liquid Fertilizer Kluesner

Humic acid lignite coal based liquid fertilizer ... Nitrogen fertilizers are often synthesized using the Haber-Bosch process, which results in the production of ammonia. The ammonia is then either applied to the soil or used to produce other nitrogen compounds, such as ammonium nitrate or urea. ...

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%, the solid-liquid ratio of 1 ...

Development Of Humasorb{Trademark} A Lignite Derived

Oct 01, 1995 Heavy metal and organic contamination of surface and groundwater systems is a major environmental concern. The contamination is primarily due to improperly disposed industrial wastes. The presence of toxic heavy metal ions, volatile organic compounds (VOCs) and pesticides in …

Are Humicfulvic Acids And Lignite Toxic Ray Peat Forum

Apr 28, 2018 Humic acid - Wikipedia. “Humic and fulvic acids, when present in treated drinking water, can react with the chemicals used in the chlorination process to form disinfection byproducts such as dihaloacetonitriles, which are toxic to humans.”. Milk in context: allergies, ecology, and some myths. The nutrients produced in the cow's rumen are ...

Extraction Of Humic Acid From Lignite By Koh

In contrast to soil humic acids, lignite humic acids were ... In this study, the extraction process of HA from lignite was optimized by evaluating the effects of different factors, i.e., alkali-to ...

Humic Preperations From Russian Lignites Journal Article

Dec 31, 1994 THe objective of this work was to study lignites as the precursor materials to humic substances. Lignites contain humic substances primarily as humic acids. Their extraction requires the processing of coals with alkali. Authors: Rodeh, V V; Ryzhkov, O G [1]

Experimental Study On Extracting Humic Acid From Lignite

Humic acid has been extensively used in the fields like industry, agriculture, medicine, environment protection, etc. As a kind of potential organic resources that being developed and utilized, humic acid is drawing more and more attention from the world. China is abundant in coal resource; the lignite of China contains a lot of humic acid.

Oxidized Lignite Humic Acid Derivatives

Lipids in lignite humic acids were found to be almost entirely aliphatic (Allard, 34 2006). Soil organic matter is characterized by abundant amino acid complexes, along with a mix of hydrophobic 35 and hydrophilic structures (Sutton and Sposito, 2005). Coal and other fossil sources of humic substances are

Paper Open Access Humic Acid Isolations From

with humic acids isolated from various soil types, lignitic humic acids exhibit a very high sorption capacity and a low degree of desorption [4]. The humic acid was extracted from the lignite by combining the method of nitric acid preoxidation and the method of alkali solution and acid eduction [5].

Development Of Humasorb{Trademark} A Lignite Derived

Dec 31, 1996 @article{osti_492083, title = {Development of HUMASORB{trademark}, a lignite derived humic acid for removal of metals and organic contaminants from groundwater}, author = {Sanjay, H G and Tiedje, M and Stashick, J J and Srivastava, K C and Johnson, H R and Walia, D S}, abstractNote = {Heavy metal and organic contamination of surface and groundwater is a major …

Characterization Of Humic Acids Extracted From A Lignite

Characterization of humic acids extracted from a lignite and interpretation for the mass spectra† Chu-Fan Wang,a Xing Fan, *a Fan Zhang,a Shou-Ze Wang,a Yun-Peng Zhao,a Xiao-Yan Zhao,a Wei Zhao,a Teng-Gao Zhu,b Jin-Li Luc and Xian-Yong Wei*a Humic acids obtained from a Chinese lignite via alkali treatment were analyzed using Fourier transform

Extraction Of Humic Acid From Lignite Coals Using

Extraction of humic acid (HA) from lignite coals that are rich in humic compounds has been highlighted in recent years as a superior and prominent research issue. The conventional technique used to extract HA is based on their solubility in alkaline and acidic mediums. Most litertures have reported the …

Extraction And Chemical Characterization Of Humic Acid

Currently, conversion of coal into alternative fuel and non-fuel valuable products is in demand and growing interest. In the present study, humic acid was extracted from two different ranks of coal, i.e., low rank and high rank (lignite and bituminous), through chemical pretreatment by nitric acid. Samples of lignite and bituminous coal were subjected to nitric acid oxidation followed by ...

Use Of Lignochemicals And Humic Acids To Remove

Preparation of three humic acid solutions involved caustic treatment of a North Dakota lignite (humic acid 1), a Montana subbituminous coal (humic acid 2), and a Minnesota peat (humic acid 3), with NaOH. For this purpose, 100 g of minus 200-mesh lignite, subbituminous coal, or peat were stirred in 2 L of 1-pct NaOH solution for 2 h.

Effectiveness Of The Process For Production Humic Acids

A humic fertilizer containing humic and fulvic acids was extracted from lignite. The effects of the extractants on the yield of extraction and on the characteristics of humic acids were ...

Characterization Of Humic Acids Extracted From A Lignite

Characterization of humic acids extracted from a lignite and interpretation for the mass spectra†. Chu-Fan Wang a, Xing Fan * a, Fan Zhang a, Shou-Ze Wang a, Yun-Peng Zhao a, Xiao-Yan Zhao a, Wei Zhao a, Teng-Gao Zhu b, Jin-Li Lu c and Xian-Yong Wei * a a Key Laboratory of Coal Processing and Efficient Utilization (Ministry of Education), School of Chemical Engineering and Technology, China ...

Valorization Of Lignite Wastes Into Humic Acids Process

Jan 01, 2021 The present work investigates the optimization of humic acids (HAs) production from lignite processing wastes using a developed mechanical agitated (MA) tank reactor based on the results of response surface methodology (RSM).

Ihss International Humic Substances Society

The aims of the Society include the establishment and maintenance of a collection of standard samples of humic and fulvic acids from lignite, fresh water, a mineral soil, and an organic soil, and the assembling of characterization data. In addition, the Society has added reference samples that are a source of humic materials for research.

Extraction And Purification Of Humic Acids From Lignite

Oct 20, 2019 A membrane processing system is developed for ultrafiltration of lignite-derived alkaline extracts. The highest purity (97%) and the lowest ash content (0.25%) were obtained for the purified humic acid. Significant reduction in the concentration of …

Humic Acid And Humic Acid Salt Production Process

Humic acid and humic acid salt production process. C05F11/02 - from peat, brown coal, or similar vegetable deposits. FIELD: naturally occurring substances production processes. SUBSTANCE: invention relates to production of humic substances employed in multiple industrial fields, in agriculture, and also to protect and restore biotope.

Humic Acid Lignite Coal Based Liquid Fertilizer

What is claimed is: 1. A fertilizer composition prepared by a process comprising: (a) preparing a mixture consisting essentially of liquid nitrogen and lignite; (b) mixing the liquid nitrogen and lignite; (c) adding phosphoric acid to the mixture; (d) mixing the phosphoric acid with the mixture; (e) adding water to the mixture and phosphoric acid to form a solution; (f) mixing the water with ...

Effects Of Different Activation Processes Of Humic Acids

Different effects of Humic acid prepared by different activation processes so do a promote comparison. Humic acid was produced from lignite used alkali compared different activation process with PH of 6 and 12. The activation rate was 9.6% and 24.6%. Respectively we explored the effects of Humic acids along with inorganic fertile on oilseed rape.

Lignitic Humic Acids As Environmentallyfriendly Adsorbent

Mar 05, 2017 4. Conclusions. Humic acids isolated from lignite were investigated in order to evaluate their use as an environmentally-friendly adsorbent of heavy metals. Lignite, as a young coal type, contains a relatively high amount of humic acids and can be used for the low-cost production of these valuable substances.

Extraction And Chemical Characterization Of Humic Acid

Samples of lignite and bituminous coal were subjected to nitric acid oxidation followed by extraction using KOH and NaOH gravimetric techniques. The chemical pretreatment of both types of coal led to enhanced yields of humic acid from 21.15% to 57.8% for lignite low-rank coal and 11.6% to 49.6% bituminous high rank coal.

Humic Acid And Humic Acid Salt Production Process

Humic acid and humic acid salt production process. C05F11/02 - from peat, brown coal, or similar vegetable deposits. FIELD: naturally occurring substances production processes. SUBSTANCE: invention relates to production of humic substances employed in multiple industrial fields, in agriculture, and also to protect and restore biotope.

Oxidized Lignite Humic Acid Derivatives

Lipids in lignite humic acids were found to be almost entirely aliphatic (Allard, 34 2006). Soil organic matter is characterized by abundant amino acid complexes, along with a mix of hydrophobic 35 and hydrophilic structures (Sutton and Sposito, 2005). Coal and other fossil sources of humic substances are

Black Hills Lignite Manufacturers Of High Grade Wyoming

Leonardite is a naturally occurring, mineable material known for its humic acids content. Drilling Lignite is added to stabilize and thin fluids used in the drilling of wells for hydrocarbon exploration and extraction, and for geothermal drilling.

Characterization Of Humic Acids From Original Coal And Its

Jul 28, 2021 Dong, L., Yuan, Q. & Yuan, H. Changes of chemical properties of humic acids from crude and fungal transformed lignite. Fuel 85 , 2402–2407 (2006). CAS Article Google Scholar

Ihss International Humic Substances Society

The aims of the Society include the establishment and maintenance of a collection of standard samples of humic and fulvic acids from lignite, fresh water, a mineral soil, and an organic soil, and the assembling of characterization data. In addition, the Society has added reference samples that are a source of humic materials for research.

Research Open Access The Physicochemical Properties

The positive effect of humic acids on the growth of plant roots is well known, however, the mechanisms and role of their physical structure in these processes have not been fully explained yet. In this work, South-Moravian lignite was oxidized by means of nitric acid and hydrogen peroxide to produce a set of regenerated humic acids. The

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