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RISS 인기검색어
- 검색키워드
- 저자 : 許南棺 (검색결과 2 건)
- 무료
- 기관 내 무료
- 유료
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朴龍鎭,趙萬衡,許南棺 弘益大學校 1983 弘大論叢 Vol.15 No.2
Roasted NiSO₄·7H₂O after dehydration and also roasted it with a mixture of FeSO₄and CuSO₄. From this experiment the following results have been investigated: 1. The roasting reaction of NiSO₄comenced at 750℃ and finished at 915℃. 2. Desulphuration in roasting reaction of FeSO₄or CuSO₄or with charcoal powder has been influenced by adding a quantity of charcoal powders, but the roasting rection of NiSO₄with charcoal powder have no effect on desulphuration in spite of adding power being increased in great quantities. 3. The roasting reaction of NiSO₄starts at a higher temperature than that of FeSO₄or CuSO₄and is completed at a higher temperature than both of them. Also, we have found out that the roasting reaction of these compound(FeSO??/ CuSO₄, FeSO₄/NiSO₄or CuSO₄/NiSO₄) starts and is completed at a temperature between the starting and completion points of these two sulphate roasting reactions.
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이승평,김길무,조만형,허남관 대한금속재료학회(대한금속학회) 1974 대한금속·재료학회지 Vol.12 No.4
탈수한 황산동의 해리반응은 비교적 고온에서 염기성 황산동을 형성하면서 진행되지만, Cu-O-S-C 체제하에서는 염기성 황산동을 형성하지 않고 배소시킬 수 있다는 것을 알았다. 목탄탄소를 첨가시킨 무수황산동을 배소 시킨 결과 500℃∼600℃ 온도구간에서 충분한 반응속도를 나타냈으며 배소물로써 탈황율이 높은 Cu₂O를 얻었다. 무수황산동 배소에 필요되는 열량은 323㎉/㎏ CuSO₄, 즉 720㎉/㎏ Cu₂O였다. Decomposition reaction of the dehydrated cupric sulphate was carried out at relatively elevated temperatures because of the formation of basic cupric sulphate, but it was found that under the Cu-O-S-C system anhydrous cupric sulphate could be roasted without formation of basic cupric sulphate. As the result of roasting anhydrous cupric sulphate mix charcoal carbon, mast reaction was carried out at the satisfactory reaction rate at between temperature 500℃ and 600℃ and cuprous oxide, which is high in desulphurizing as the roasted, was formed. The energy required for roasting anhydrous cupric sulphate was 323㎉/㎏ Cu₂SO₄; 720㎉/㎏ Cu₂O.
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