KR20020020509A

KR20020020509A - Method for manufacturing manganese sulfate and ferrous sulfate from ferromanganese

Info

Publication number: KR20020020509A
Application number: KR1020000053714A
Authority: KR
Inventors: 문상우
Original assignee: 문상우
Priority date: 2000-09-09
Filing date: 2000-09-09
Publication date: 2002-03-15

Abstract

PURPOSE: A method for manufacturing manganese sulfate and ferrous sulfate from ferromanganese and manganese dioxide is provided which produces useful products such as minerals by producing manganese sulfate and ferrous sulfate in the coprecipitated condition, and produces economic products having a high purity by removing heavy metals. CONSTITUTION: The method for manufacturing manganese sulfate and ferrous sulfate from ferromanganese and manganese dioxide comprises a process of manufacturing manganese sulfate and ferrous sulfate in the coprecipitated condition comprising the steps of injecting 10 wt.% of ferromanganese and 10 to 11 wt.% of manganese dioxide, or 21 wt.% of ferromanganese into a sulfuric acid solution having a concentration of 60% or more, reacting the heated solution by heating the materials to 95 deg.C for 4 to 6 hours, removing heavy metals in the reacted solution, and concentrating and drying the filtered solution after filtering the heavy metal removed solution; and a process of manufacturing manganese sulfate comprising the steps of oxidizing iron by putting an oxidizing agent into a solution in which heating and reaction are finished in the sulfuric acid solution, removing heavy metals by injecting zinc powder into the resulting solution, and concentrating and drying the filtered solution after filtering the heavy metal removed solution.

Description

Method for manufacturing manganese sulfate and ferrous sulfate from ferro-manganese and manganese dioxide {Method for manufacturing manganese sulfate and ferrous sulfate from ferromanganese}

본 발명은 페로망간과 이산화망간을 이용하여 황산망간 및 황산제1철을 제조하거나 페로망간으로 황산망간 및 황산제1철을 제조하는 방법에 관한 것이다.The present invention relates to a method for producing manganese sulfate and ferrous sulfate using ferro-manganese and manganese dioxide, or to produce manganese sulfate and ferrous sulfate from ferromanganese.

페로망간에는 망간 70%, 철 15%가 포함되어 있고 이산화망간에는 망간 50%, 철 15%가 포함되어 있다.Ferro-manganese contains 70% manganese and 15% iron. Manganese dioxide contains 50% manganese and 15% iron.

본 발명은 상기와 같은 소재를 이용하여 황산망간 그리고 황산제1철을 동침상태로 제조하거나 황산망간을 제조하여 경제적으로 가치있게 이용하는 것이다.The present invention is to produce a manganese sulfate and ferrous sulfate in the co-immersion state using the material as described above or to produce a manganese sulfate economically valuable.

종래에는 페로망간에서 황산망간을 제조하는 방법이 없었고 일산화망간에서 황산망간을 제조했기 때문에 일산화망간 제조비가 비싸고 공해 발생이 심하여 경제성이 없는 결점이 있었다.In the prior art, there was no method of manufacturing manganese sulfate from ferro-manganese, and manganese monoxide was manufactured from manganese monoxide.

본 발명은 상기와 같은 종래의 결점을 시정하기 위하여 개발된 것으로 이를실시례에 따라 상세히 설명하면 다음과 같다.The present invention was developed to correct the above-mentioned drawbacks as described in detail according to the embodiment as follows.

<실시례1>Example 1

물 300g에 황산 180g을 넣어 만든 황산용액에 페로망간 100g을 넣어 95℃로 4-6시간 가열하여 반응시키고 여과 후 용액내의 중금속을 제거한 후 여과하여 농축, 건조하므로서 황산망간 200g, 황산제1철 70g이 동침상태로된 제품을 얻었다.100 g of fermanganese was added to a sulfuric acid solution prepared by adding 180 g of sulfuric acid to 300 g of water, followed by heating at 95 ° C. for 4-6 hours to remove the heavy metals from the solution, followed by filtration, concentration and drying, 200 g of manganese sulfate and ferrous sulfate 70 g. The product obtained in this immersion state was obtained.

<실시례2>Example 2

물 300g에 황산 180g을 넣어 만든 황산용액에 페로망간 100g을 넣고 95℃로 4-6시간동안 반응시켜 용액을 여과한 후 과망산가리 3g을 넣어 철성분을 산화시켜서 제거시킨 후 용액을 여과한 후 여액에 아연말 1g을 넣어서 중금속을 제거하고 여과한 용액을 건조시켜서 황산망간 200g을 얻었다.100 g of fermanganese was added to a sulfuric acid solution prepared by adding 180 g of sulfuric acid to 300 g of water, and reacted at 95 ° C. for 4-6 hours. The solution was filtered, and 3 g of permanganate was added to oxidize and remove the iron component. 1 g of zinc powder was added to the filtrate to remove heavy metals, and the filtered solution was dried to obtain 200 g of manganese sulfate.

<실시례3>Example 3

실시례 2에서 황산망간을 얻은 찌꺼기에 황산 20g과 금속철 5g을 넣고 재가열하여 반응시킨 후 용액을 여과하여 아연말을 넣어 중금속을 제거하고 용액을 여과하여 농축, 건조하므로서 황산제1철을 얻었다.In Example 2, 20 g of sulfuric acid and 5 g of iron were added to a residue obtained from manganese sulfate, and the mixture was reheated and reacted. The solution was filtered, zinc powder was added to remove heavy metals, and the solution was concentrated and dried to obtain ferrous sulfate.

<실시례4>Example 4

물 300g에 황산 180g을 넣은 황산액에 페로망간 100g을 넣고 95℃로 4-6시간동안 반응시켜서 산소(압력5Kg/㎠) 30분을 공급하여 철성분이 산화되어 분리된 용액을 얻고 여기에 아연말 1g을 넣어서 중금속을 제거하고 여과, 건조시켜서 황산망간 200g을 얻었다.100 g of fermanganese was added to a sulfuric acid solution containing 180 g of sulfuric acid and 300 g of water, followed by reaction at 95 ° C. for 4-6 hours to supply oxygen (pressure 5Kg / ㎠) for 30 minutes to oxidize iron to obtain a separated solution. 1 g of year-end was added to remove heavy metals, filtered and dried to obtain 200 g of manganese sulfate.

<실시례5>Example 5

실시례 4에서 황산망간을 얻은 나머지 찌꺼기에 황산 20g을 넣고 95℃로 가열하여 아연말 1g을 넣어 반응시킨 용액에 금속철 5g을 넣고 반응시킨 후 용액을 여과하여 건조하므로서 황산제1철을 얻었다.20 g of sulfuric acid was added to the remaining manganese sulfate in Example 4, heated to 95 ° C., 1 g of zinc powder was added, and 5 g of iron was added to the reacted solution. The solution was filtered and dried to obtain ferrous sulfate.

<실시례6>Example 6

물 300g에 황산 180g을 혼합해서 페로망간 100g을 넣고 95℃로 4시간동안 교반하면서 반응시킨 후 과산화수소 3g을 넣고 철성분을 산화시켜서 분리된 용액을 넣고 여기에 아연말 1g을 넣어서 중금속을 제거한 후 용액을 여과, 건조시켜서 황산망간 200g을 얻는다After mixing 180g of sulfuric acid and 180g of sulfuric acid, add 100g of ferromangan, and react with stirring at 95 ℃ for 4 hours, add 3g of hydrogen peroxide, oxidize iron components, add a solution, add 1g of zinc powder to remove heavy metals Filtered and dried to obtain 200 g of manganese sulfate

<실시례7>Example 7

상기 실시례 6에서 황산망간을 생산하고 남은 찌꺼기에 황산 20g을 넣고 95℃로 가열하여 아연말 1g을 넣고 반응시킨 후 금속철 5g을 넣고 반응시켜서 여과,건조하므로서 황산제1철을 생산한다.After producing manganese sulfate in Example 6, 20g of sulfuric acid was added to the remaining residue, heated to 95 ° C, 1g of zinc powder was reacted, 5g of metal iron was added and reacted to produce ferrous sulfate.

<실시례8>Example 8

페로망간(망간 70%, 철 15%) 50g, 이산화망간(망간 50%, 철 15%) 50g을 황산수용액에 넣고 95℃로 4-6시간 가열하여 반응시키고 용액을 여과하여 여과된 용액에 아연분말 2g을 넣어 3시간 교반한 후 여과하여 용액을 농축, 건조시키면 황산망간 180g, 황산제1철 45g이 동침된 제품을 얻는다.50 g of ferro-manganese (70% manganese, 15% iron) and 50g of manganese dioxide (50% manganese, 15% iron) were added to an aqueous solution of sulfuric acid and heated to 95 ° C for 4-6 hours to react, the solution was filtered, and the zinc powder was filtered. 2 g of the solution was stirred for 3 hours, filtered, and the solution was concentrated and dried to obtain a product having 180 g of manganese sulfate and 45 g of ferrous sulfate.

이렇게 제조된 황산망간과 황산제1철의 동침제품은 동물사료용 미네랄 제조에 사용할 수 있다.The copper-precipitated products of manganese sulfate and ferrous sulfate prepared in this way can be used for the production of minerals for animal feed.

이와같이 제조된 본원 발명은 황산망간과 황산제1철이 동침상태로 생산되기 때문에 미네랄과 같은 유용한 제품의 생산에 이용할 수 있고 경제적이며 순도가 높은 제품생산이 달성되는 이점이 있다.Since the present invention prepared as described above is manganese sulfate and ferrous sulfate produced in the state of being immersed, it can be used for the production of useful products such as minerals, there is an advantage that the production of economical and high purity products is achieved.

Claims

10% by weight of ferro-manganese and 10-11% by weight of manganese dioxide or 21% by weight of ferro-manganese were added to a sulfuric acid solution having a sulfuric acid concentration of 60% or higher, and the mixture was heated at 95 ° C for 4-6 hours to react, and the solution which removed heavy metals in the solution was filtered. Concentrate and dry to prepare manganese sulfate and ferrous sulfate in the state of immersion or oxidize iron components by adding the oxidizing material to the solution after heating reaction in sulfuric acid solution, and remove the heavy metal by adding zinc powder. A method for producing manganese sulfate and ferrous sulfate in ferro-manganese and manganese dioxide which allows the production of manganese sulfate by drying.

21% by weight of ferro-manganese was added to the sulfuric acid solution having a concentration of 60% or more in sulfuric acid, and reacted by heating at 95 ° C. for 4-6 hours. The solution from which heavy metals were removed was filtered and concentrated to dryness. A method for preparing manganese sulfate and ferrous sulfate in ferromanganese, which has been made to ferrous ferrous.

The method of claim 1, wherein the oxidizing material is manganese sulfate and ferrous sulfate in the ferro-manganese containing permanganate.

The method for producing manganese sulfate and ferrous sulfate in the ferro-manganese containing the oxidizing agent in claim 1.

The method of claim 1, wherein the oxidizing agent is hydrogen peroxide containing manganese sulfate and ferrous sulfate.

The method for preparing manganese sulfate and ferrous sulfate in ferro manganese containing a heavy metal removing agent in claim 1.