MTW European Type Trapezium Mill
Input size:30-50mm
Capacity: 3-50t/h
LM Vertical Roller Mill
Input size:38-65mm
Capacity: 13-70t/h
Raymond Mill
Input size:20-30mm
Capacity: 0.8-9.5t/h
Sand powder vertical mill
Input size:30-55mm
Capacity: 30-900t/h
LUM series superfine vertical roller grinding mill
Input size:10-20mm
Capacity: 5-18t/h
MW Micro Powder Mill
Input size:≤20mm
Capacity: 0.5-12t/h
LM Vertical Slag Mill
Input size:38-65mm
Capacity: 7-100t/h
LM Vertical Coal Mill
Input size:≤50mm
Capacity: 5-100t/h
TGM Trapezium Mill
Input size:25-40mm
Capacity: 3-36t/h
MB5X Pendulum Roller Grinding Mill
Input size:25-55mm
Capacity: 4-100t/h
Straight-Through Centrifugal Mill
Input size:30-40mm
Capacity: 15-45t/h
Peat grinding process for humic acid production
Extraction of humic acid from peat and lignite and the
2023年7月1日 The aim of this study was to determine the influence of the humic acids extracted from peat and lignite on the thermal decomposition of HA and the thermal decomposition of ammonium nitrate and humic acids mixtures For the quality assessment of HA, spectroscopic 2023年10月12日 The aim of the presented work was to develop a new integrated 4step process for the isolation of humic acids from peat with their simultaneous enrichment in macronutrients The studyApplication of a modified method of humic acids 2024年10月15日 Cleaner valorization of natural carbonaceous materials (NCMs)—including mining byproducts such as lignite, brown coal, leonardite, weathered coal, and peat—into HAs Advances and challenges in humic acid production 2020年12月18日 Chemical activation of peat by treatment with an alkaline solution activates humic acids, which transform into a plastic watersoluble state Humic substances of peat are (PDF) TECHNOLOGY FOR PRODUCING HUMIC SUBSTANCES FROM PEAT
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Extraction and characterization of humic acid with high bio
2023年12月15日 Humic acid (HA) was extracted from industrial solid waste A green catalyst of αMnO 2 /Kln was fabricated for producing valueadded HA Pyrolysis products of HA samples 2020年12月18日 Chemical activation of peat by treatment with an alkaline solution activates humic acids, which transform into a plastic watersoluble state Humic substances of peat are TECHNOLOGY FOR PRODUCING HUMIC SUBSTANCES FROM PEATResults of efficiency of obtaining humic substances (HSs) from peat in traditional alkaline extraction (TAE) and ultrasoundassisted alkaline extraction (UAAE) are presented The UltrasoundAssisted Extraction of Humic Substances from Peat 2017年8月26日 acids in peat steadily increases as the duration of vibration grinding of peat in the presence of ammonia and an oxidizing agent (hydrogen peroxide) is made longer The Mechanochemical production of nitrogencontaining
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UltrasoundAssisted Extraction of Humic
2022年5月25日 Results of efficiency of obtaining humic substances (HSs) from peat in traditional alkaline extraction (TAE) and ultrasoundassisted alkaline extraction (UAAE) are presented The influence of the duration of the process 2022年5月25日 Results of efficiency of obtaining humic substances (HSs) from peat in traditional alkaline extraction (TAE) and ultrasoundassisted alkaline extraction (UAAE) are presented The influence ofUltrasoundAssisted Extraction of Humic 2021年3月1日 Under 5 different process conditions, the extraction rate of humic acid and fulvic acid in peat is shown in Table 2 The results show that compared with no m echanochemical activation, peat can beEffect of Mechanochemical Activation on Peat Humic Acid2013年12月18日 Empty fruit bunch (EFB), an underutilized waste product of oil palm processing, was studied as a substrate for the production of humic acids (HA) by a Trichoderma reesei strain by solidstate fermentation (SSF) in Raimbault columns HA have attracted the attention of many investigators due to their applications in agriculture, industry, the environment, and SolidState Fermentation for Humic Acids Production by a
Technology for the Production and Use of Humic
2020年2月10日 reaction similarly to polyacrylic acid used in industry The purpose of this work was to develop new technologies for the production of efficient and economical natural sorbents based on humic substances from lowgrade coals intended for wastewater treatment and reagents for recultivation of lands For the production of a carboncontaining 2024年1月22日 The artificial humic acids (AHA) approach contributes to achieving the carbon (C) emission peaking and neutrality goal through efficient recycling of waste biomasses and promotion of plant photosynthesis However, the dependence of their production processes and photosynthetic promotion mechanisms on feedstocks remains unclear In this study, waste Properties and photosynthetic promotion mechanisms of artificial humic Alkaline extraction is the basic action undertaken in the process of the production of humic substances from various organic materials 1 M NaOH was used The alkaline substance, which was used to extract humic substances from peat, was 05 M NaOH Humic acids were precipitated from the extract using 1 M H 2 SO 4 Fulvic acid fractionation UltrasoundAssisted Extraction of Humic Substances from Peat 2017年8月26日 vibration grinding on the composition of ammonified peat (moisture content of peat 60%, mass of absolutely dry peat 50 g, amount of hydrogen peroxide 01 g g 1 absolutely dry peat, amount of ammonia 025 g g absolutely dry peat) Content, % Grinding time, h total humic fulvic nitrogen acids acids Starting peat 22 138 185 1 05 29 153 229Mechanochemical production of nitrogencontaining
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Technology for the Production and Use of Humic
2020年2月10日 Humic acids (HAs) play an important role in many geochemical, biological, and biochemical processes They are powerful geochemical agents that facilitate the decomposition of rocks and minerals, the concentration, dispersion, and repeated deposition of elements in the earth’s crust, in particular, due to the natural removal of metal ions from water bodies as 2023年3月24日 The extd humic acid was investigated for its quant assessment through gravimetric and UV spectrophotometer procedures The gravimetric method showed 246, 136, and 180% of humic acid extn from Thar, Chakwal, and Quetta coals, resp, whereas the humic acid detd by UV spectrophotometry was 2967, 201, and 226% for the same sample sequenceExtraction of Humic Acids from Lignite and Its Use as a 2023年11月1日 Humic substances (HSs) have been proven as an effective additive for maintaining soil quality and improving fertilizer utilization [12]HSs are brownishblack or brown, amorphous, and polydisperse organic materials that are a major byproduct from the degradation process of dead plants and animals (Fig 1 (a), (b))Their formation process has three main Review: Biotic and abiotic approaches to artificial humic acids 2022年5月25日 The influence of the duration of the process and ultrasound intensity on the efficiency of extraction of humic acids (HAs) and fulvic acids (FAs) extraction was determinedUltrasoundAssisted Extraction of Humic Substances from Peat
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Humic Acid Fertilizer Production A New Era Of
Our organic fertilizer production line with advanced technology and mature process will be a very good choice for the production of humic acid fertilizer granules 1) raw material treatment: raw materials (such as peat, lignite or 2024年9月27日 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 HUMIC ACIDS: PROPERTIES, STRUCTURE, AND APPLICATION A peat bog that is sustainably managed retains the plant cover, wildlife habitat, and characteristics necessary for future peat production Fulvic Acid Humic acid is one component of the humus found in peat bogs and leonardite Humic acid Are All Humic Acids Created Equal? Rogitex2019年2月20日 2) using hydrochloric acid (HCl), resulting in a dark humic acid precipitate Humic and fulvic acid fractions were separated by centrifugation and subsequently freeze dried The final humic acid residue was rinsed with dilute HCl for several times prior to freeze drying For the Indonesian peat sample, the freezedried fractions of humin, humic Evidence for the Existence of Humic Acids in Peat Soils
USA Production of humic acid Google Patents
the source of humic acid which is extracted may be a naturally occurring weathered lignite such as leonardite which is found most abundantly in the states of North Dakota, Montana, and Texas This material contains up to about 86% humic acids on a moisture and ashfree basis Artificially produced humic acids may be prepared by the air oxidation of coal in a fluid bed at 2024年1月1日 Humic acid, a complex mixture of macromolecular organic acids with multiple functional groups, has been widely used in agricultural production, soil environmental improvement, and other fields (Torres et al, 2014)At the same time, humic acid, as the main form of soil organic matter and an important component of the soil carbon pool, has an Production of artificial humic acid from rice straw for 2013年10月24日 In the studies of humic substances, the issue of dependence of the properties of humic substances on their origin is still topical It has been shown that the structure and properties of humic substances differ for HAs of different origin [1], [2]At the same time, considering the great variability of properties of natural organic matter (plants, animals, and Properties and structure of raised bog peat humic acidsHumic acid, isolated from vermicompost (VHA), was compared with the humic acid sample extracted from peat (PHA) in respect of its chemical interactions and sorption with metribuzin herbicide (4 Mechanism of metribuzin herbicide sorption by humic
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Extraction and purification of humic acids from lignite wastes
2019年10月20日 Humic acids (HAs) are high molecular weight biopolymers generally obtained from humic compounds of organic matter distributed in the soil, peats and sapropels, natural waters, low rank coals, leonardite and lignite coals (Savel'eva et al, 2015, 2017; HuculakMączka et al, 2018; Fuentes et al, 2018)Commercial HAs are mainly extracted from leonardite and 2022年12月16日 The aim of the presented work was to develop a new integrated 4step process for the isolation of humic acids from peat with their simultaneous enrichment in macronutrientsEffect of humic acid on soil properties and crop 2023年11月20日 the duration of the process and ultrasound intensity on the efficiency of extraction of humic acids (HAs) and fulvic acids (FAs) extraction was determined The composition of the fulvic acid fractionAssessment of Process Efficiency and Products’ Quality2019年1月1日 The potassium salt of humic acid extracted from these three sources were used as foliar application at different concentrations to study their effects on yield and quality of green chilliExtraction and charactrisation of humic acid
Extraction of Humic Acid from Lignite by KOHHydrothermal Method
2019年3月31日 Humic acid (HA) was extracted by a hydrothermal method from Huolinhe lignite from Inner Mongolia The effects of the alkalitocarbon mass ratio, watertocoal mass ratio, reaction temperature, and reaction time on the HA yield were investigated The physicochemical characterization of the products was performed, and the reaction mechanism was explored than 2 % Afterwards humic acid dispersion in distilled water were dialyzed against water to remove chlorides and resulting humic acids were lyophilized Characterization of humic acids Elemental composition Carbon, hydrogen, nitrogen and sulphur concentrations in the peat and humic acid samplesCharacterization of Humic Acids from Raised Bog Peat2023年10月12日 The aim of the presented work was to develop a new integrated 4step process for the isolation of humic acids from peat with their simultaneous enrichment in macronutrientsApplication of a modified method of humic acids extraction 2013年10月1日 The aims of this study are to characterize humic acids (HAs) from raised bog peat, to evaluate the homogeneity of peat HAs within peat profiles, and to study peat humification impact on properties Properties and structure of raised bog peat humic acids
Process Condition Optimization and Structural Feature Analysis of Humic
2024年9月2日 In this study, response surface methodology (RSM) was adopted to investigate the optimization of process conditions for extracting humic acid (HA) from coal, aiming to enhance the yield of humic acid Additionally, UV–vis spectroscopy, FTIR, XRD, TGDTG, CP/MAS13CNMR, XPS, and molecular fluorescence were utilized to examine the properties of 2022年3月1日 Introduction Humic substances (HS) are remains of decomposed plant and animal materials such as lignin, tannins, cellulose, and cutins (Tan et al, 2000; Billingham, 2012; Hayes and Swift, 2020)High quantities of HS are present in the soil after incorporating harvested residues (Wiesler et al, 2016)Increased animal and biogas production have reduced the Understanding the Role of Humic Acids on Crop 2020年12月18日 In nature, more humic acids are found in lowcalorie fuels brown coal, peat and others For power engineering, humic acids are an undesirable component, fuel with their high content is of low grade(PDF) TECHNOLOGY FOR PRODUCING HUMIC SUBSTANCES FROM PEAT 2021年3月1日 Under 5 different process conditions, the extraction rate of humic acid and fulvic acid in peat is shown in Table 2 The results show that compared with no m echanochemical activation, peat can beEffect of Mechanochemical Activation on Peat Humic Acid
SolidState Fermentation for Humic Acids Production by a
2013年12月18日 Empty fruit bunch (EFB), an underutilized waste product of oil palm processing, was studied as a substrate for the production of humic acids (HA) by a Trichoderma reesei strain by solidstate fermentation (SSF) in Raimbault columns HA have attracted the attention of many investigators due to their applications in agriculture, industry, the environment, and 2020年2月10日 reaction similarly to polyacrylic acid used in industry The purpose of this work was to develop new technologies for the production of efficient and economical natural sorbents based on humic substances from lowgrade coals intended for wastewater treatment and reagents for recultivation of lands For the production of a carboncontaining Technology for the Production and Use of Humic 2024年1月22日 The artificial humic acids (AHA) approach contributes to achieving the carbon (C) emission peaking and neutrality goal through efficient recycling of waste biomasses and promotion of plant photosynthesis However, the dependence of their production processes and photosynthetic promotion mechanisms on feedstocks remains unclear In this study, waste Properties and photosynthetic promotion mechanisms of artificial humic Alkaline extraction is the basic action undertaken in the process of the production of humic substances from various organic materials 1 M NaOH was used The alkaline substance, which was used to extract humic substances from peat, was 05 M NaOH Humic acids were precipitated from the extract using 1 M H 2 SO 4 Fulvic acid fractionation UltrasoundAssisted Extraction of Humic Substances from Peat
Mechanochemical production of nitrogencontaining
2017年8月26日 vibration grinding on the composition of ammonified peat (moisture content of peat 60%, mass of absolutely dry peat 50 g, amount of hydrogen peroxide 01 g g 1 absolutely dry peat, amount of ammonia 025 g g absolutely dry peat) Content, % Grinding time, h total humic fulvic nitrogen acids acids Starting peat 22 138 185 1 05 29 153 2292020年2月10日 Humic acids (HAs) play an important role in many geochemical, biological, and biochemical processes They are powerful geochemical agents that facilitate the decomposition of rocks and minerals, the concentration, dispersion, and repeated deposition of elements in the earth’s crust, in particular, due to the natural removal of metal ions from water bodies as Technology for the Production and Use of Humic 2023年3月24日 The extd humic acid was investigated for its quant assessment through gravimetric and UV spectrophotometer procedures The gravimetric method showed 246, 136, and 180% of humic acid extn from Thar, Chakwal, and Quetta coals, resp, whereas the humic acid detd by UV spectrophotometry was 2967, 201, and 226% for the same sample sequenceExtraction of Humic Acids from Lignite and Its Use as a 2023年11月1日 Humic substances (HSs) have been proven as an effective additive for maintaining soil quality and improving fertilizer utilization [12]HSs are brownishblack or brown, amorphous, and polydisperse organic materials that are a major byproduct from the degradation process of dead plants and animals (Fig 1 (a), (b))Their formation process has three main Review: Biotic and abiotic approaches to artificial humic acids
UltrasoundAssisted Extraction of Humic Substances from Peat
2022年5月25日 The influence of the duration of the process and ultrasound intensity on the efficiency of extraction of humic acids (HAs) and fulvic acids (FAs) extraction was determined