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

Method for recovering feldspar from molybdenum separation tailings

A technology of molybdenum tailings and feldspar, which is applied in the direction of chemical instruments and methods, flotation, wet separation, etc., can solve problems such as molybdenum tailings cannot be used as resources, and achieve the effect of reducing tailings stockpiles and significant environmental benefits

Active Publication Date: 2013-12-18
BEIJING GENERAL RES INST OF MINING & METALLURGY
View PDF3 Cites 11 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] With the continuous reduction of feldspar rich ore resources, a large number of low-grade potassium-sodium feldspar mineral resources in molybdenum tailings need to be developed and utilized. It is the key to study an efficient and applicable mineral processing technology, while the traditional feldspar mineral processing technology is only for long-term mineral processing. Carry out simple impurity removal to meet the needs of industrial raw materials; or adopt HF process to flotation and separate impurities such as feldspar and quartz, but the HF process has been strictly prohibited by the environmental protection department, so the traditional feldspar beneficiation process cannot be effective Utilization of low-grade potassium albite feldspar from molybdenum tailings

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
  • Method for recovering feldspar from molybdenum separation tailings

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0031] The metal minerals in the molybdenum tailings of a molybdenum mine in Heilongjiang are mainly pyrite, sphalerite, pyrrhotite, galena, arsenopyrite, ilmenite, limonite, mica, magnetite, rutile, red Iron ore, etc.; non-metallic minerals are mainly feldspar, quartz, calcite, muscovite, sericite, illite, kaolinite, and a small amount of titanite, apatite, etc.

[0032] Adopt the technical process described in the above method embodiment to finally obtain the feldspar concentrate production rate of 28.48%, K 2 O grade is 11.54%, Na 2 O grade is 2.51%, K 2 O recovery was 47.73%; Na 2 The recovery rate of O is 40.30%, and the feldspar concentrate meets the quality standard of potassium feldspar for potash fertilizer and the quality standard of potash feldspar for ceramic industry.

example 2

[0034] The metal minerals in the molybdenum tailings of a molybdenum mine in Inner Mongolia are mainly pyrite, magnetite, ilmenite, rutile, siderite, hematite, limonite and other minerals, and the non-metallic minerals are mainly potassium feldspar and clinoplasty Feldspar, quartz, biotite, chlorite, calcite, apatite, muscovite, dolomite, barite, pyroxene, talc, zircon, etc., K 2 O grade is 4.28%, Na 2 O grade is 2.77%.

[0035] Adopt the technological process described in the above-mentioned method embodiment to finally obtain feldspar concentrate productive rate 18.62%, in the concentrate, K 2 The O grade is 8.62%, and the recovery rate is 37.88%; Na 2 The O grade is 4.39%, the recovery rate is 29.90%; the TFe content in the feldspar concentrate is 0.42%.

[0036] In summary, the above-mentioned process for recovering feldspar from molybdenum tailings includes the following advantages:

[0037] 1) The process has strong adaptability, and is applicable to all molybdenum b...

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 method for recovering feldspar from molybdenum separation tailings. The method includes separating the molybdenum separation tailings again to remove mud and heavy minerals, performing magnetic separation to the molybdenum separation tailings after re-separation, adding sodium oleate and amine collectors to perform floatation to minerals capable of being in chemical reaction with sulphuric acid to obtain mixed minerals of feldspar and quartz, adding sulphuric acid into the mixed minerals to regulate the pH value of pulp, performing floatation of feldspar by the aid of amine collectors so as to obtain the feldspar concentrates finally. By the method, the difficult problem in comprehensive recovery of low-grade K-Na feldspar is solved, production of high-grade feldspar concentrates is facilitated, storage of the tailings is reduced, and environmental benefit is remarkable.

Description

technical field [0001] The invention relates to the technical field of mineral processing, in particular to a method for recovering feldspar from molybdenum beneficiation tailings. Background technique [0002] my country is a country rich in molybdenum resource reserves, and a large molybdenum mine can produce more than 10 million tons of tailings per year. K is generally contained in molybdenum tailings 2 O2%-7%, Na 2 O1.5%-3%, the content of feldspar minerals is generally 30-60%. There are many kinds of impurities in molybdenum tailings, complex components, and some impurities are similar to feldspar in buoyancy, which has a great impact on the quality of feldspar concentrate. In general, the metal minerals in molybdenum tailings mainly include pyrite, ilmenite, rutile, siderite, hematite, limonite and other minerals, and the non-metallic minerals are mainly feldspar (potassium feldspar and albite ), quartz, mica, chlorite and calcite, apatite, mica, dolomite, kaolin,...

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
IPC IPC(8): B03B7/00B03D1/018B03D101/02B03D103/02
Inventor 于传兵宋振国宋磊李成必周少珍胡志凯于洋陈经华
Owner BEIJING GENERAL RES INST OF MINING & METALLURGY
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