A treatment method for recovering nickel from nickel-containing sludge
A treatment method and sludge technology are applied in the direction of nickel sulfide, ammonium sulfate, process efficiency improvement, etc., which can solve the problems of difficult sedimentation, easy clogging of pipelines and filter devices, and impact on treatment efficiency, and achieve fast sedimentation rate. , the effect of accelerating the sedimentation rate and reducing the discharge
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
preparation example 1
[0054] Preparation example 1, the modification method of silica, specifically as follows:
[0055] S3-1. Disperse silicon dioxide at a concentration of 50g / L in 1L of ethanol and water at a ratio of 9:1, heat to 68±1°C to reflux the system and stir at a rate of 350rpm. After 30 minutes, add 2.5 g of silane coupling agent KH-560 to the system, continue to keep warm and stir, centrifuge at a speed of 3000 rpm after 5 hours, wash the obtained precipitate twice with water and ethanol, and obtain coupling modification after drying. silica;
[0056] Dissolve the coupling-modified silica in 1L of toluene at a concentration of 50g / L, then add 50g of organic molecular chains, heat to 80°C to reflux the system, react for 8 hours, cool down, then centrifuge at 3000rpm, precipitate with water and ethanol Wash twice respectively, and get a treatment component after drying.
[0057] S3-2. Dissolve the primary treatment components prepared in step S3-1 in an ethanol solution at a concentra...
preparation example 2~13
[0059] The difference between Preparation Examples 2-13, the modification method of silicon dioxide and Preparation Example 1 is that in step S3-1, the selection and dosage of organic molecular chains and the dosage of silane coupling agent are shown in Table 2.
[0060]
preparation example 14
[0061] Preparation Example 14, the modification method of silica, is different from Preparation Example 1 in that the amount of 3-aminopropyltriethoxysilane is 0.2 mL.
PUM
Property | Measurement | Unit |
---|---|---|
particle size | aaaaa | aaaaa |
particle diameter | aaaaa | aaaaa |
particle diameter | 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