Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Preparation method of spherical lead oxide atmospheric mineral dust

A lead oxide, spherical technology, applied in the field of atmospheric environmental science, can solve the problems of few preparation methods, harm to human health, unfavorable research on lead oxide atmospheric mineral dust, etc.

Active Publication Date: 2020-06-19
NANJING UNIV OF INFORMATION SCI & TECH
View PDF4 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the inventions related to lead oxide are mainly widely used in the fields of storage batteries, electrode batteries, photoelectric materials, and photosensitive materials, but there are still few preparation methods for lead oxide atmospheric mineral dust, which is not conducive to the study of lead oxide atmospheric mineral dust on the environment. Impact (especially the environmental impact of chemical plants and mining sites) and harm to human health

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Preparation method of spherical lead oxide atmospheric mineral dust

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Embodiment 1: the preparation of spherical lead oxide atmospheric mineral dust

[0018] (1) prepare respectively the lead acetate solution of 45mmol / L, the hexamethylenetetramine solution of 45mmol / L, the trisodium citrate solution of 15mmol / L, the molar ratio of the three is 1:1:0.3;

[0019] (2) Mix the prepared lead acetate solution, hexamethylenetetramine solution, and trisodium citrate solution, heat in a water bath at 75°C for 2 hours, and filter to obtain spherical lead oxide. The scanning electron microscope picture is as follows figure 1 shown.

Embodiment 2

[0020] Embodiment 2: the preparation of spherical lead oxide atmospheric mineral dust

[0021] (1) prepare respectively 40mmol / L lead acetate solution, 40mmol / L hexamethylenetetramine solution, 10mmol / L trisodium citrate solution, the molar ratio of the three is 1:1:0.4;

[0022] (2) Mix the prepared lead acetate solution, hexamethylenetetramine solution and trisodium citrate solution, heat in a water bath at 60°C for 3 hours, and filter to obtain spherical lead oxide.

Embodiment 3

[0023] Embodiment 3: the preparation of spherical lead oxide atmospheric mineral dust

[0024] (1) prepare respectively 50mmol / L lead acetate solution, 50mmol / L hexamethylenetetramine solution, 20mmol / L trisodium citrate solution, the molar ratio of the three is 1:1:0.0.2;

[0025] (2) Mix the prepared lead acetate solution, hexamethylenetetramine solution and trisodium citrate solution, heat in a water bath at 90°C for 1 hour, and filter to obtain spherical lead oxide.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a preparation method of spherical lead oxide atmospheric mineral dust. The preparation method comprises the following steps: 1, respectively preparing a lead acetate solution,a hexamethylenetetramine solution and a trisodium citrate solution, and 2, mixing the prepared lead acetate solution, hexamethylenetetramine solution and trisodium citrate solution according to a molar ratio of 1: 1: (0.4-0.2), carrying out water bath heating and filtering to obtain spherical lead oxide. Because the mineral dust is an important component of atmospheric dust, and lead oxide in themineral dust has great influence on the atmospheric environment and human health. The spherical lead oxide atmospheric mineral dust prepared by the method disclosed by the invention can well simulatelead oxide mineral dust in real atmosphere, and has great significance for researching the fields of atmospheric environment, human health and the like of the atmospheric mineral dust.

Description

technical field [0001] The invention belongs to the field of atmospheric environment science, and in particular relates to a preparation method of spherical lead oxide atmospheric mineral dust. Background technique [0002] With the development of modern technology and economy, environmental issues have gradually become the focus of attention. Due to various reasons, mineral dust enters the atmosphere, resulting in atmospheric dust pollution, which endangers people's health and the natural environment. Lead oxide, as a part of atmospheric mineral dust, will harm hematopoiesis, neurodigestive system and kidney due to inhalation. Nervous system mainly manifests as neurasthenic syndrome, peripheral neuropathy (obviously affected by motor function), and lead poisoning encephalopathy in severe cases. Digestive system manifestations include gingival lead lines, loss of appetite, nausea, abdominal distension, diarrhea or constipation, and abdominal pain is seen in moderate and se...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): C01G21/02
CPCC01G21/02C01P2004/32
Inventor 杨池丁宁黎倩张紫琦时闻徐玉凤章炎麟
Owner NANJING UNIV OF INFORMATION SCI & TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

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