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Gray manganese ore leaching out process

A pyrolusite and process technology, applied in the field of pyrolusite leaching process, can solve the problems of high reaction temperature, unsatisfactory reducing agent, difficulty in hydrolysis into sugar, etc., and achieve the effects of mild reaction conditions, less inorganic impurities and improved yield

Active Publication Date: 2007-04-04
DAXIN MANGANESE MINE BRANCH OF CITIC DAMENG MINING IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present method involves treating spent sulfur-containing liquids from various industries such as crop production processes where nitrogen fertilizers were commonly applied during cultivating crops for better yields. By adding certain substances like sucrose (sugar) syrupyitol solution), it becomes possible to recover valuable compounds called glucosamine which could have beneficial uses in medicine or other fields. Additionally, this treatment reduces harmful chemical pollution caused by excessive disposal of sour water containing ammonia gas generated when managing acid rain. Overall, these technical results lead to improved economic efficiency while minimizing negative impact on environmentally friendly practice.

Problems solved by technology

Technologies described involve different methods or techniques related to producing magnesium oxide nanoparticles called nanofermorsicles. These particles consists mostly of Fe(II)-Pyrochlorum). By adding specific chemical agents like calcium chloride, ammonium nitrate, citric acid, sodium carbonate, etc., they become solublized together inside these materials until reaching their desired size. After filtrating away any impurity found within the resulting mixture, the remaining part becomes coarse salt again while another portion remains intact.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Pyrolulusite is pulverized to 100 orders (composition is as shown in Table 1), prepares pulp with 2 times of the quality of pyrolusite; Adding 1.1 times of the quality of pyrolusite to the pulp is 98% sulfuric acid and 2.5 times of the quality of manganese ore sugarcane molasses Alcohol waste liquid (the composition is shown in Table 2), was stirred and reacted at a temperature of 90°C for 2 hours to obtain a reaction leaching liquid, and the leaching rate of pyrolusite reached 97.2%.

[0025] Element

[0026] Element

Embodiment 2

[0028] Pyrolulusite is pulverized to 200 orders (composition is as shown in Table 1), prepares pulp with water of 3 times of pyrolusite quality; Adding 1.5 times of pyrolusite quality to the pulp is 98% sulfuric acid and 1.5 times of manganese ore quality sugarcane molasses Alcohol waste liquid (the composition is shown in Table 2), was stirred and reacted at a temperature of 95°C for 2 hours to obtain a reaction leaching liquid, and the leaching rate of pyrolusite reached 96.1%.

Embodiment 3

[0030] Pyrolulusite is pulverized to 40 orders (composition is as shown in Table 1), prepares pulp with water of 2 times of pyrolusite quality; Adding 1.2 times of pyrolusite quality to the pulp is 98% sulfuric acid and 2.5 times of manganese ore quality sugarcane molasses Alcohol waste liquid (the composition is shown in Table 2), was stirred and reacted at a temperature of 50°C for 4 hours to obtain a reaction leachate, and the leaching rate of pyrolusite reached 93.3%.

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PUM

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Abstract

A gray manganese ore leaching-out process is carried out by crushing, blending with water to obtain ore pulp, adding into sulfuric acid and sugar honey alcohol effluent, agitating at 50-98degree and reacting for 0.5-4hrs to obtain the final product. The leaching-out rate of manganese is >93%. It's simple, has gentle reactive condition and no environmental pollution.

Description

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Claims

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Application Information

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Owner DAXIN MANGANESE MINE BRANCH OF CITIC DAMENG MINING IND
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