
Does coal gangue contain humic acid

Biodegradation of organic compounds in the coal gangue by
2023年1月3日 The organic compounds, which account for about 10–30% of the gangue, are mainly coal and a small amount of humic acids (HAs) The inorganic components in CG are 2023年1月3日 The results reveal that adding selected Bacillus sp to the CG for 40 days can increase the humic acid content by ~ 17 times, reaching 1733817 mg/kg, which is also the Biodegradation of organic compounds in the coal gangue by 2023年1月3日 The results reveal that adding selected Bacillus sp to the CG for 40 days can increase the humic acid content by ~ 17 times, reaching 1733817 mg/kg, which is also the Biodegradation of organic compounds in the coal gangue by2023年11月1日 PAHs contamination enhanced humification and aromaticity of SOM High humification and aromaticity of DOM promoted PAHs degradation Coal mining usually Insights into relationships between polycyclic aromatic

Structural characteristics of humic acids derived from Chinese
2019年5月31日 Due to the influence of longterm weathering, weathered coal has a high oxygen content and low calorific value However, it is rich in humic substances and has a variety of 2024年2月1日 The research results of life cycle method reveal the utilization prospect of CG products, systematically analyze the harmful characteristics of HMs in coal gangue and their Representative coal gangue in China: Physical and chemical 2023年1月3日 The results reveal that adding selected Bacillus sp to the CG for 40 days can increase the humic acid content by ~ 17 times, reaching 1733817 mg/kg, which is also the Biodegradation of organic compounds in the coal gangue by 2019年12月1日 Coal gangue contains high organic matter, which is an ideal substrate for carrying nitrogen, phosphorus and potassium, so the scientific and rational addition of coal Comprehensive utilization and environmental risks of coal gangue:

Biodegradation of organic compounds in the coal gangue by
This study explored a novel process of degrading the harmful organic compounds in the CG into humic acid using a biological method characterized by scanning electron microscope–energy Now that you know a bit about humic acid and how it’s made, let’s cover a few ways to use it Use 1: Compost Correction If you’ve been using compost as your primary soil amendment for a few years and are starting to see declines rather When and How to Use Humic Acid Fertilizer to 2023年1月3日 During coal mining activities, a lot of coal gangue is produced, which usually contains high mercury (Hg) concentrations as well as the acid mine drainage (AMD) generator of pyriteBiodegradation of organic compounds in the coal gangue by Humic acid is a complex organic substance that occurs naturally in soil, peat, and coal It is formed through the decomposition of plant and animal matter over thousands of years Humic acid is rich in carbon, hydrogen, oxygen, nitrogen, and sulfur, and is known for its ability to improve soil fertility and promote plant growthHumic Acid: What Is Humic Acid? Journal Of Nutrition

Preparation of Humic Acid from Weathered Coal by Mechanical
2024年6月25日 Humic acid (HA) is rich in functional groups with high activity, which can effectively improve the soil environment The large reserves of weathered coal in China provide sufficient raw material guarantee for HA extraction and utilization At present, the activation side of weathered coal is still the main technical difficulty that restricts HA extraction In this study, the 2023年3月24日 Current research focuses on extracting humic acid (HA) compounds from lowrank coals to obtain high valueadded products In this study, HAs with high purity and low heavy metal content were obtained from lignite by combining acid pretreatment with hydrothermal treatment Scanning electron microscopy, elemental analysis (EA), Fourier transform infrared Extraction of Humic Acids from Lignite and Its Use as a Biochar 2023年1月3日 Results reveal that adding selected Bacillus sp Coal gangue (CG), one of the world’s largest industrial solid wastes produced during coal mining, is extremely difficult to be used owing to its combined contents of clay minerals and organic macromolecules This study explored a novel process of degrading the harmful organic compounds in the CG into humic Biodegradation of organic compounds in the coal gangue by 2024年5月1日 Coal gangue contains a substantial amount of carbonaceous shale and siltstone and is rich in trace elements essential for plant growth The nitrogen, phosphorus, Humic acids undergo changes during the composting process, with the synthesis of large, highly condensed humic acids leading to increased maturity of the productEnhancing the carbon content of coal gangue for composting

Preparation of Humic Acid from Weathered Coal by Mechanical
2024年6月25日 PDF Humic acid (HA) may also contain heavy metals and other hazardous substances, the direct use of which coal gangue, and weathered coal, etc [18]Humic acid can be extracted from any material containing welldecomposed organic matter soil, coal, composts, Chemically, humic acid contains more carbon and less hydrogen than does the animal and plant residues from which it has formed through extensive biological decompositionHumate and Humic Acid Texas AM University2023年2月6日 Leonardite is a soft, waxy, black, or brown deposit of decomposed plant, insect, or animal matter mined from deep within soils Leonardite is the chief source of humic acid as it contains up to 80% humic acid (Qian et al, 2015) Peat is the next best source of humic acid, as it contains up to 40% humic substances (Jarukas et al, 2021) Soil and compost humus contains Humic Acid vs Biochar: Differences Uses in Garden2016年5月1日 Humic acids (HAs) are macromolecules that comprise humic substances (HS), which are organic matter distributed in terrestrial soil, natural water, and sediments resulting from the decay of vegetable and natural residues [1]Commercial HAs are extracted from peat and coal, which are nonrenewable sources of carbonHumic acids: Structural properties and multiple functionalities for

Solubilization of K and P nutrients from coal gangue by Bacillus
2024年10月16日 Coal gangue piles not only occupy significant amounts of arable land but also cause serious environmental pollution Biodegradation of organic compounds in the coal gangue by Bacillus sp into humic acid Biodegradation 34:125–138 View PubMed Web of Science Google Scholar 48 Kong WJ, Yan YC, Li XY, Liu ZY 20182022年3月2日 Humic acids (HA) are organic molecules that play essential roles in improving soil properties, plant growth, and agronomic parameters The sources of HA include coal, lignite, soils, and organic (PDF) Understanding the Role of Humic Acids on Crop 2023年1月1日 Humic acid is a complex group of compounds derived from the decomposition of ancient plant and animal material, extracted from coal or peat It contains a variety of different chemicals, with properties ranging from root support, nutrient transport and Humic Acid Fertilizer For Plants: A Complete Guide Bigger GardenORGANIC MATTER, HUMUS, HUMATE, HUMIC ACID, FULVIC ACID AND HUMIN: THEIR IMPORTANCE IN SOIL FERTILITY AND PLANT HEALTH Dr Robert E Pettit Emeritus Associate Professor Texas AM University The major phenolic acids released contain approximately 3 hydroxyl ( OH) groups and between 1 and 5 carboxyl ( COOH) ANIC MATTER, HUMUS, HUMATE, HUMIC ACID, FULVIC ACID

Concentrating rare earth elements in brown coal humic acids by
2021年11月8日 The IR spectra of humic acids of the pristine coal, coal subjected to mechanochemical activation with Na2CO315H2O2 (MCA), and mechanochemically activated without using any additional reagents Water and Membrane Treatment Rajindar Singh, in Membrane Technology and Engineering for Water Purification (Second Edition), 2015 Organic fouling Humic acid and fulvic acid represent up to 80% of the TOC – dissolved organics – of natural waters Humic substances are weak acidic electrolytes with carboxylic and phenolicOH groups with a micellelike structure and with a Humic Acid an overview ScienceDirect TopicsWhat is humic acid? Humic acid is derived from leonardite shale and is among the most concentrated organic material available Elemental analysis of humic acid has shown it to consist largely of carbon and oxygen (about 50% and 40% respectively) It also contains hydrogen (about 5%), nitrogen (about 3%), phosphorous and sulfur (both less than 1%)Humic Acid Dr Earth2024年10月2日 Acivate 80Course Grade Humate–Derived from Leonardite shale, contains 45% humic acids Activate 80 Micronized Humate–Derived from Leonardite shale, contains 55% humic acids Can be delivered through irrigation lines Does not fully go into solution, must keep agitated Humax–Derived fromHow to Use Soil Amendments Humates, Humic Acids and

Degradation of humic acid via peroxymonosulfate activation by
Download Citation On Apr 1, 2023, BaiHang Zhao and others published Degradation of humic acid via peroxymonosulfate activation by FeCo2O4 nanoparticles supported on modified coal gangue Find 2024年1月14日 Based on a study of Fuchs’ brown coal, Fumus was characterized as a weakly acidic compound containing carboxyl groups The method of extracting humic acid from peat was quickly developed by several researchers (Kononova 1966)Humic substances are complex and heterogeneous mixtures of polydispersed materials that are formed in soils, sediments, and Function of Humic Acid SpringerLink2019年11月19日 During coal mining activities, a lot of coal gangue is produced, which usually contains high mercury (Hg) concentrations as well as the acid mine drainage (AMD) generator of pyrite In the present study, the total mercury (THg) and methylmercury (MeHg) in gangue, water, sediment, paddy soil, and rice samples, collected from abandoned coal mining areas, were Characteristics, speciation, and bioavailability of mercury and A range of organic compounds known as humic acids are characteristic products of this degradation, and coals originating from peat formed in this way are known as humic coals Some coal, Such coals sometimes contain fossilized but wellpreserved botanical remains including leaves, woody structures and pollen [Given, 1988]Humic Coal an overview ScienceDirect Topics

How to Use Humic Acid for Plants Global Garden
2019年11月15日 Humic acids are large molecules consisting of a variety of elements These elements include carbon, oxygen, and hydrogen The base of humic acids is decomposed organic matter including peat, coal, and leonardite Organic materials such as compost often contain humic substances Most humic acid products are extracted from the mineraloid leonarditeFinally, “Humic Acids: Marvelous Products of Soil Chemistry” (The Journal of Chemical Education, December 2001) states, “Humic acids are remarkable brown to black products of soil chemistry that are essential for healthy and productive soilsHumic Acid: The Science of Humus and How it Benefits SoilHS also contain aromatic groups of high biological activity, especially phenolC groups, which account for part of their IAAlike activity [89,90] Bragança SR Extraction and characterization of humic acid from coal for the application as dispersant of ceramic powders J Mater Res Technol 2018;7:254–260 doi: 101016/jjmrt201708 Chemical Structure and Biological Activity of Humic Substances 2021年8月11日 Currently, conversion of coal into alternative fuel and nonfuel valuable products is in demand and growing interest In the present study, humic acid was extracted from two different ranks of Extraction and Chemical Characterization of Humic Acid from Nitric Acid

Humus, Humic acid and Fulvic acid: Different Uses for Plants
2023年3月19日 6 How to use humic acid for plants? Humic acid is best applied in liquid form as a foliar spray or soil drench Humic acid is available in liquid, powder, and granular forms The liquid form is the best to use as it doesn’t require any mixing with soil which poses the risk of damaging the roots2022年1月27日 Extraction of fulvic acid (FA) and humic acid (HA) from lowrank coal is a controversial topic with respect to the efficient use of lowgrade energy resources In recent years, various special functions of FA have been discovered, especially in medicine, bioengineering and modern agriculture, which have caused widespread concerns in many countriesExtraction and characterization of coalbased fulvic acid from 2020年6月2日 In the present study, the humic acid yield from native lignite coal was 2115% and bituminous coal was 116%, while the HNO 3 pretreatment showed about 578% humic acid yield from lignite coal and Evaluation of humic acids produced from Pakistani subbituminous coal Now that you know a bit about humic acid and how it’s made, let’s cover a few ways to use it Use 1: Compost Correction If you’ve been using compost as your primary soil amendment for a few years and are starting to see declines rather When and How to Use Humic Acid Fertilizer to

Biodegradation of organic compounds in the coal gangue by
2023年1月3日 During coal mining activities, a lot of coal gangue is produced, which usually contains high mercury (Hg) concentrations as well as the acid mine drainage (AMD) generator of pyriteHumic acid is a complex organic substance that occurs naturally in soil, peat, and coal It is formed through the decomposition of plant and animal matter over thousands of years Humic acid is rich in carbon, hydrogen, oxygen, nitrogen, and sulfur, and is known for its ability to improve soil fertility and promote plant growthHumic Acid: What Is Humic Acid? Journal Of Nutrition2024年6月25日 Humic acid (HA) is rich in functional groups with high activity, which can effectively improve the soil environment The large reserves of weathered coal in China provide sufficient raw material guarantee for HA extraction and utilization At present, the activation side of weathered coal is still the main technical difficulty that restricts HA extraction In this study, the Preparation of Humic Acid from Weathered Coal by Mechanical 2023年3月24日 Current research focuses on extracting humic acid (HA) compounds from lowrank coals to obtain high valueadded products In this study, HAs with high purity and low heavy metal content were obtained from lignite by combining acid pretreatment with hydrothermal treatment Scanning electron microscopy, elemental analysis (EA), Fourier transform infrared Extraction of Humic Acids from Lignite and Its Use as a Biochar

Biodegradation of organic compounds in the coal gangue by
2023年1月3日 Results reveal that adding selected Bacillus sp Coal gangue (CG), one of the world’s largest industrial solid wastes produced during coal mining, is extremely difficult to be used owing to its combined contents of clay minerals and organic macromolecules This study explored a novel process of degrading the harmful organic compounds in the CG into humic 2024年5月1日 Coal gangue contains a substantial amount of carbonaceous shale and siltstone and is rich in trace elements essential for plant growth The nitrogen, phosphorus, Humic acids undergo changes during the composting process, with the synthesis of large, highly condensed humic acids leading to increased maturity of the productEnhancing the carbon content of coal gangue for composting 2024年6月25日 PDF Humic acid (HA) may also contain heavy metals and other hazardous substances, the direct use of which coal gangue, and weathered coal, etc [18]Preparation of Humic Acid from Weathered Coal by Mechanical Humic acid can be extracted from any material containing welldecomposed organic matter soil, coal, composts, Chemically, humic acid contains more carbon and less hydrogen than does the animal and plant residues from which it has formed through extensive biological decompositionHumate and Humic Acid Texas AM University

Humic Acid vs Biochar: Differences Uses in Garden
2023年2月6日 Leonardite is a soft, waxy, black, or brown deposit of decomposed plant, insect, or animal matter mined from deep within soils Leonardite is the chief source of humic acid as it contains up to 80% humic acid (Qian et al, 2015) Peat is the next best source of humic acid, as it contains up to 40% humic substances (Jarukas et al, 2021) Soil and compost humus contains