Preparation method of coal-based agglomerated activated carbon having high adsorbability and high bulk specific weight
A technology of high adsorption and activated carbon, which is applied in the direction of chemical instruments and methods, inorganic chemistry, non-metallic elements, etc., can solve the problem that it is difficult to balance the adsorption and specific gravity of activated carbon, so as to prolong the replacement time, high adsorption and reduce replacement frequency effect
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
example 1
[0034] The non-caking coal is the raw coal of Kuangou Coal Mine in Urumqi, with a received basis volatile matter of 32.27 and an apparent density of 1.37g / cm 3 , cohesion index 0. The strong caking coal is Zhundonghongshanwa gas-rich coal, CO 2 The reactivity is greater than 95%. The asphalt is high-temperature modified coal tar pitch produced by Baoli Chemical Industry in Handan, Hebei Province, and its softening point is 113-118°C. A strong basic compound is potassium hydroxide.
[0035] In the raw coal, the content of non-caking coal is 90wt%, the content of strong caking coal is 5wt%, the content of bitumen is 4.5wt%, and the content of potassium hydroxide is 0.5wt%. The raw coal is pulverized and screened into coal powder with an average particle size of 29 μm, wherein the content of coal powder with a particle size greater than 80 μm is 2.5 wt %; the content of coal powder with a particle size greater than 40 μm is 28 wt %.
Embodiment 2
[0039] The difference from Example 1 is that the non-caking coal is the raw coal of Hami Poly Coal Mine, the dry ash-free base volatile content is 35.54, the caking index is 2, and the apparent density is 1.35g / cm 3 . Strong caking coal is Xinjiang Fukang Shuntong coking coal, CO 2 The reactivity is greater than 95%.
[0040] In the raw coal, the content of non-caking coal is 85wt%, the content of strong caking coal is 10wt%, the content of bitumen is 4.5wt%, and the content of potassium hydroxide is 0.5wt%. The specific gravity of the pressed material pile is 670g / l, and the strength is 93.3.
[0041] The indicators of the activated carbon are as follows: the iodine value of the product is 1091, the strength is 96.87, and the bulk specific gravity is 557.
Embodiment 3
[0043] The difference from Example 2 is that before briquetting, the pulverized raw coal is sieved to coal powder with an average particle size of 22 μm, wherein the content of coal powder with a particle size greater than 80 μm is 2 wt %; the coal powder with a particle size greater than 40 μm Coal powder content is 15wt%. The specific gravity of the pressed material pile is 700g / l, and the strength is 93.1.
[0044] The indicators of the activated carbon are as follows: the iodine value of the product is 1092, the strength is 96.32, and the bulk specific gravity is 568.
PUM
Property | Measurement | Unit |
---|---|---|
softening point | aaaaa | aaaaa |
density | aaaaa | aaaaa |
particle size | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com