Method for preparing strontium-rich activated carbon by aid of hydrothermal processes
An activated carbon and strontium-rich technology, which is applied in chemical instruments and methods, water/sewage treatment, inorganic chemistry, etc., can solve the problem of weak combination of active components and carriers, reduced adsorption capacity, and crystallite blockage of active components and other issues, to achieve the effect of increasing added value, reducing the degree of graphitization, and reducing production costs
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
preparation example Construction
[0021] 1. The preparation of strontium-enriched activated carbon by impregnation-hydrothermal method includes the following steps:
[0022] (a) Pretreatment process:
[0023] Place the proportioned activated carbon in a hydrochloric acid solution with a concentration of (4~10)wt% while heating while stirring, heat and boil the charcoal for 30-60 minutes, let stand for 0.5 hours and then suction and filter, and then repeatedly wash the proportioned activated carbon with pure water , Wash away the residual acid on the surface, then boil it with pure water for 0.5-1 hour, rinse it to a pH value of 6.5-8.5, and finally dry it at 105-120°C for use.
[0024] (b) Impregnation loading process:
[0025] Take an appropriate amount of pretreated activated carbon and place it in an excess sodium silicate solution with a concentration of 0.1-0.3 mol / L, soak and stir for 10-20 minutes, and then add a strontium salt solution with a concentration of 0.05-0.5 mol / L to the dipping solution. Mix and st...
example 1
[0033] Weigh 50g of activated carbon with a ratio of 150 mesh or more by weight, with a mass ratio of 3:2. Place it in a 3L beaker, slowly add 70g of diluted edible hydrochloric acid with a concentration of 4wt% into it while stirring. After stirring for 10 minutes, start heating and stir while heating until the activated carbon solution boils for 40 minutes. After cooling for 0.5 hours, filter with suction. Then the activated carbon is washed repeatedly with pure water to wash away the residual acid on the surface; then boiled with pure water for 0.5 hours, filtered and rinsed to a pH value of 6.5 to 8.5, which completes the process of hydrochloric acid deashing, and finally Dry at 105~120℃ for later use.
[0034] Weigh 4g of the proportioned activated carbon pretreated by hydrochloric acid impurity removal by weight, immerse it in 600mL of 0.2mol / L sodium silicate solution and stir for 10min, then add 150mL of 0.2mol / L chlorine to the dipping solution The strontium strontium s...
example 2
[0037] Weigh 50g of activated carbon with a ratio of 150 mesh or more by weight, with a mass ratio of 3:2. Place it in a 3L beaker, slowly add 70g of diluted edible hydrochloric acid with a concentration of 4wt% into it while stirring. After stirring for 10 minutes, start heating and stir while heating until the activated carbon solution boils for 40 minutes. After cooling for 0.5 hours, filter with suction. Then the activated carbon is washed repeatedly with pure water to wash away the residual acid on the surface; then boiled with pure water for 0.5 hours, filtered and rinsed to a pH value of 6.5 to 8.5, which completes the process of hydrochloric acid deashing, and finally Dry at 105~120℃ for later use.
[0038] Weigh 4g of the proportioned activated carbon pretreated by hydrochloric acid impurity removal by weight, immerse it in 600mL of 0.2mol / L sodium silicate solution and stir for 10min, then add 150mL of 0.2mol / L chlorine to the dipping solution The strontium strontium s...
PUM
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