南通大学学报：自然科学版
南通大學學報：自然科學版
남통대학학보：자연과학판
Journal of Nantong University (Natural Science Edition)
2011年
2期
37-40
,共4页
废铅酸电池%铅膏%脱硫%火法回收
廢鉛痠電池%鉛膏%脫硫%火法迴收
폐연산전지%연고%탈류%화법회수
used lead-acid batteries%lead paste%desulphurization%fire recovery
研究了铅膏脱硫后用碳还原回收铅的新工艺.采用正交试验法分析了反应温度、时间、配比、固液比等因素对处理效果的影响,最后确定：用碳酸钠脱铅膏中硫的最佳工艺为温度95℃、时间8 h、配比1∶0.7、固液比1∶4,脱硫率为93%;火法还原铅膏粉与炭粉的最佳质量比为10∶0.6、最佳温度为850℃、时间为1 h,还原产品铅的纯度为99.59%.
研究瞭鉛膏脫硫後用碳還原迴收鉛的新工藝.採用正交試驗法分析瞭反應溫度、時間、配比、固液比等因素對處理效果的影響,最後確定：用碳痠鈉脫鉛膏中硫的最佳工藝為溫度95℃、時間8 h、配比1∶0.7、固液比1∶4,脫硫率為93%;火法還原鉛膏粉與炭粉的最佳質量比為10∶0.6、最佳溫度為850℃、時間為1 h,還原產品鉛的純度為99.59%.
연구료연고탈류후용탄환원회수연적신공예.채용정교시험법분석료반응온도、시간、배비、고액비등인소대처리효과적영향,최후학정：용탄산납탈연고중류적최가공예위온도95℃、시간8 h、배비1∶0.7、고액비1∶4,탈류솔위93%;화법환원연고분여탄분적최가질량비위10∶0.6、최가온도위850℃、시간위1 h,환원산품연적순도위99.59%.
This study explores the new technology that the lead paste can be reduced directly by carbon after it is desulphurized.By orthogonal test,the influence of temperature,time and ratio for the treatment on the experiment result have been analyzed,which reveals the best process parameters for the desulphurization of the lead paste by using Na2CO3 are that the temperature is 95 ℃,lasting 8 hours,the ratio of lead paste and Na2CO3 is 1 ∶ 0.7,the ratio of solid to liquid is 1 ∶ 4,and the desulphurization rate is about 93%.The best ratio of powder of the desulphurization lead paste and powder of carbon is 10 ∶ 0.6 in fire recovery,the best temperature is 850 ℃,and lasting 1 hour.The lead content of recovery product is proved to be 99.59%.
