Application of Modified Humic Acid (MHA) Binder in the …
Modified humic acid (MHA) binder consists of high molecular weight organic molecules and inorganic part. It is extracted from lignite coal with sodium hydroxide and …
Coal briquette binders
These types of binder can be work with better performance compared to one single binder. Examples of coal composite binders: Humic acid + clay; Sodium silicate + clay; etc. Binder rate and the coal briquette quality. Generally, the more the binder added to the coal dust, the higher the strength of the briquette.
Environmentally Sound Coal-Derived Binder for Coal …
Coal-derived humic acid was used as a binder in briquetting of Tunçbilek lignite fines. ... This study includes usage of molasses as binder in the briquetting of fine hard coal particles and ...
(PDF) A Review on the Humic Substances in Pelletizing Binders
The modified humic acid pellet binder (MHA) with strong adhesion and high viscosity was obtained through the separation and purification of solid wastes such as lignite and weathered coal and ...
An Overview Of, U.S. Federal, Coal Preparation Research
U.S. Department of Energy, Office of Fossil Energy, Pittsburgh Energy Technology Center, 1994 - Coal - 39 pages . Preview this book ...
A novel polymer-type binder to decrease bentonite dosage …
2.2.2. Pelletizing. PTB was compounded with bentonite in a predetermined ratio and manually mixed with the discharge after HPGR. Subsequently, pelletizing was conducted in a disc pelletizer with a diameter of 1000 mm, side height of 200 mm, and inclination angle of 45° using 5 kg of mixture each trial (Fig. 1).After pelletizing for 12 …
Composition and content of humic acid in peat, lignite, and weathered coal
Download scientific diagram | Composition and content of humic acid in peat, lignite, and weathered coal from publication: A Review on the Humic Substances in Pelletizing Binders: Preparation ...
Review A Review on the Humic Substances in …
KEY WORDS: humic acid binder; adsorption mechanism; green pellet drop number; dry pellet compressive strength; fired pellet compressive strength. in the cost of steelmaking by 4–7 USD/ton.
Comparative study on the adsorption interactions of humic acid …
The fine particles were clustered into groups to form aggregates ... when humic acid binder was added into iron ore concentrations in the pelletizing process, the humic acid was adsorbed onto the surface of iron ore particles; on the other hand, the HA molecules interacted and interwove with each other, bridging and wrapping the …
A Review on the Humic Substances in Pelletizing …
2 Humic acid is inexpensive, and has a wide range of sources and a strong adsorption force with the surface of iron ore, and the size of its adsorption force is affected by some factors such as humic
Briquetting of Tuncbilek lignite fines by using ammonium …
Results of experiments on the briquetting of Tuncbilek lignite fines using ammonium nitrohumate (anh), a low calorific value, young lignite-derived humic acid salt solution, are reported. The particulate material was blended with ammonium nitrohumate serving as the binder. In the briquetting tests, the effects of moisture content, pressure, binder …
Pelletization studies of ultra-fine clean coal (Book)
Handling of fine coal is an importance issue for coal as well as the utility industry. Reconstitution in the form of a pellet or briquette would be desirable if it could be done economically. This paper evaluates the effectiveness of three binders e.g., asphalt-emulsion, corn starch and Brewex, in forming pellets of ultra-fine clean coal.
Humic Substance-based Binder In Iron Ore Pelletization: A Review
Due to the reducing ability and bonding effect, a humic substance-based binder has been added into iron ore pellets, both as a reductant and a binder. However, humic substance-based binders were not commonly used in pelletization since some pelletizing results indicated they were not as good asbentonite or other binders. Thus, …
A humic acid binder for pelletizing of fine coal
2001. 1. This paper describes a new coal pelletization process that utilizes a coal-derived binder consisting of a water-soluble colloidal system of humic acids dispersed in an …
A review on the humic substances in pelletizing binders: …
(DOI: 10.2355/isijinternational.isijint-2022-306) Humic acid is inexpensive, and has a wide range of sources and a strong adsorption force with the surface of iron ore, and the size of its adsorption force is affected by some factors such as humic acid concentration, pH of the solution, and metal cations. The modified humic acid pellet binder (MHA) with strong …
A Review on the Humic Substances in Pelletizing …
fired pellet strength. Therefore, humic acid pellet binder can partially or completely replace bentonite and meet the requirements of various iron ore pellet production17). 2. The extraction of humic acid from humic substances Humic acid is widely distributed in nature and is found in low-order coals such as peat, lignite,
Pelletization Using Humic Substance-based Binder
The modified humic acid pellet binder (MHA) with strong adhesion and high viscosity was obtained through the separation and purification of solid wastes such as …
A Review on the Humic Substances in Pelletizing …
fired pellet strength. Therefore, humic acid pellet binder can partially or completely replace bentonite and meet the requirements of various iron ore pellet production17). 2. The …
Optimizing the Mass Ratio of Two Organic Active
The aim of this present paper was to systematically optimize and determine the mass ratio of two organic active fractions (fulvic acid and humic acid) in a type of novel organic binder (named ...
2023/sbm pelletizing biomass and fine coal.md at master
A wide variety of fine pellet options are available to you,such as calcium chloride.There are 2,299 suppliers who sells fine pellet on Alibaba.com,mainly located in Asia.The top countries of suppliers are Austria,China,and India,from which the percentage of fine pellet … Design of Pelletizing Machine (Balling Disc) IJMMM machine is used for ...
Effect of Humic Acid Binder on the Preparation of …
In order to pursue the goal of low-carbon ironmaking, a new type of humic acid (HA)-based binder was applied to the preparation of oxidized pellets from vanadium-bearing titanomagnetite (VTM) in this …
Granulating of coal fines using peat | Request PDF
A modified humic acid (MHA) binder was tested as a substitute for bentonite to prepare qualified specularite pellets. ... Pelletizing and briquetting of coal fines using binders produced by ...
Application of Modified Humic Acid (MHA) Binder in the Pelletizing …
Modified humic acid (MHA) binder consists of high molecular weight organic molecules and inorganic part. It is extracted from lignite coal with sodium hydroxide and used in pelletization of iron ...
A Review on the Humic Substances in Pelletizing Binders: …
The modified humic acid pellet binder (MHA) with strong adhesion and high viscosity was obtained through the separation and purification of solid wastes such as lignite and weathered coal and chemical modification treatment and successfully applied in the production process of iron ore pellets.
(PDF) A Review on the Humic Substances in …
The modified humic acid pellet binder (MHA) with strong adhesion and high viscosity was obtained through the separation and purification of solid wastes such as lignite and weathered coal and ...
Analysis and Application of Oxalic Acid Modified Sodium Silicate Binder
A humic acid binder for pelletizing of fine coal. January 1986. ... A preliminary cost analysis indicates that the humic acid binder can be produced for less than one half the cost of an asphalt ...
A review on the industrial solid waste application in pelletizing
Inventors used different proportions of Humic acid or CMC accelerator, Na 2 CO 3 and PFC to mix bauxite tailings by mechanical ball milling to produce modified bauxite tailings binder in a patent applied by Zhengzhou University (Huang and Han, 2014). When the addition amount was 2%, the drop strength of green pellets was more than 4 times, …
Humic Coal
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, however, originates from homogeneous accumulations of algae, plant spores, and related fine organic debris.
Pelletization Using Humic Substance-based Binder
Humic substances exist widely in lignite coal as high molecular weight organic molecules. They can be used as binders in iron ore pelletization mostly in the form of salt, such as sodium humate ...
CN100360691C
The present invention relates to a pelletizing binder manufactured by using starch and humate and a manufacturing method for the binder. The binder is a taupe-pitchy powder in appearance, the content of a dry basis product is more than or equal to 90%, the particle size (80 to 150 meshes) is more than or equal to 95%, the swelling volume is more than …