Method for recovering nitrogen, phosphorus and potassium from urine sewage
A technology for nitrogen, phosphorus, potassium and sewage, applied in non-metallic elements, chemical instruments and methods, neutralized water/sewage treatment, etc., can solve the problems of affecting the surrounding environment, huge storage space, and limiting the large-scale application of urine, etc., to achieve Improve economic efficiency and strong operability
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0040] Mg in urine sewage 2+ The content is 50mg / L, NH 4 + The content of TP is 5000mg / L, the content of TP is 320mg / L, K + The content is 2800mg / L.
[0041] A method for reclaiming nitrogen, phosphorus and potassium elements from urine sewage, comprising the following steps carried out in sequence:
[0042] 1) Adding an aqueous solution of sodium hydroxide to urine sewage to prepare mixed liquid A, controlling the amount of added aqueous solution of sodium hydroxide to keep the pH of mixed liquid A at 8;
[0043] Then add an aqueous solution of magnesium chloride and an aqueous solution of sodium dihydrogen phosphate to the mixed liquid A to prepare a mixed liquid B, and control the addition of the aqueous solution of magnesium chloride and the aqueous solution of sodium dihydrogen phosphate to the NH in the mixed liquid B. 4 + Amount of substance: PO 4 3- Amount of substance: Mg 2+ The amount of the substance=1:2:3, stir while adding, stop stirring after the sediment...
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