Process method for recycling precious metal from electroplating wastewater
A technology of electroplating wastewater and process methods, applied in the field of recycling precious metals, can solve problems such as declining competitiveness of enterprises, high treatment costs, and polluting the environment, and achieve the effects of low water treatment costs, reduced environmental pollution, and convenient system operation
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Example Embodiment
[0015] by figure 1 with 2 As shown, a process method for recovering precious metals from electroplating wastewater of the present invention puts the wastewater into a collecting tank, and then uses a lifting device to lift the wastewater to the next step, and further includes the following steps:
[0016] Electroplating wastewater pretreatment step: the electroplating wastewater is passed through a quartz sand filter, an activated carbon filter and a filter element filter to remove impurities, and the filtrate enters the next step;
[0017] Membrane concentration step: Put the filtrate obtained in the previous step into the membrane bioreactor for stepwise concentration and separation. The permeate is collected in the permeate pool and used as the rinsing water in the electroplating pipeline; the concentrate enters the concentrate tank, and Recycle to plating tank or electrolytic recovery of nickel.
[0018] Each level of filtration membrane in the above-mentioned membrane bioreactor...
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.
© 2023 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap