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A platform for research: civil engineering, architecture and urbanism
Method for harmlessly preparing ceramsite by removing arsenic and antimony from arsenic-alkali leaching residues
The invention discloses a method for harmlessly preparing ceramsite by removing arsenic and antimony from arsenic-alkali leaching residues. The method comprises the following steps: mixing matrix components containing arsenic alkali leaching residues, quartz sand and alumina powder with a solid carbonaceous regulator, adding water to make pellets, and roasting the pellets to obtain the arsenic alkali leaching residues. According to the method, removal and recovery of arsenic and antimony in the arsenic-alkali leaching residues can be realized by using the same process while ceramsite is prepared, the problem that the arsenic-alkali leaching residues cannot be completely digested due to high toxicity and high alkalinity is solved, and meanwhile, volatile arsenic and antimony can be recovered and returned to an antimony smelting main system by cooling and capturing smoke dust; according to the method, waste of valuable metal and pollution of arsenic are avoided, low-cost and high-value treatment of the arsenic alkali leaching residues is achieved, the prepared ceramic particles are high in strength and small in density and can be applied to the fields of building materials and the like, and the method is short in process, low in cost and capable of achieving industrial application.
本发明公开了一种砷碱浸出渣脱除砷锑无害化制备陶粒的方法。该方法是将包含砷碱浸出渣、石英砂和氧化铝粉的基体成分与固体炭质调整剂混合后加水造球团，再将球团进行焙烧，即得。该方法可在陶粒制备的同时利用同一工艺实现砷碱浸出渣中砷、锑的脱除与回收，解决了砷碱浸出渣因高毒性与高碱性导致的无法完全化消纳难题，同时通过对烟尘的冷却捕集可将挥发的砷、锑回收并返回锑冶炼主系统，避免了有价金属的浪费与砷的污染，实现了对砷碱浸出渣低成本高值化处理，所制陶粒强度高密度小，可应用于建材等领域，且该方法流程短，成本低廉，可实现工业化应用。
Method for harmlessly preparing ceramsite by removing arsenic and antimony from arsenic-alkali leaching residues
The invention discloses a method for harmlessly preparing ceramsite by removing arsenic and antimony from arsenic-alkali leaching residues. The method comprises the following steps: mixing matrix components containing arsenic alkali leaching residues, quartz sand and alumina powder with a solid carbonaceous regulator, adding water to make pellets, and roasting the pellets to obtain the arsenic alkali leaching residues. According to the method, removal and recovery of arsenic and antimony in the arsenic-alkali leaching residues can be realized by using the same process while ceramsite is prepared, the problem that the arsenic-alkali leaching residues cannot be completely digested due to high toxicity and high alkalinity is solved, and meanwhile, volatile arsenic and antimony can be recovered and returned to an antimony smelting main system by cooling and capturing smoke dust; according to the method, waste of valuable metal and pollution of arsenic are avoided, low-cost and high-value treatment of the arsenic alkali leaching residues is achieved, the prepared ceramic particles are high in strength and small in density and can be applied to the fields of building materials and the like, and the method is short in process, low in cost and capable of achieving industrial application.
本发明公开了一种砷碱浸出渣脱除砷锑无害化制备陶粒的方法。该方法是将包含砷碱浸出渣、石英砂和氧化铝粉的基体成分与固体炭质调整剂混合后加水造球团，再将球团进行焙烧，即得。该方法可在陶粒制备的同时利用同一工艺实现砷碱浸出渣中砷、锑的脱除与回收，解决了砷碱浸出渣因高毒性与高碱性导致的无法完全化消纳难题，同时通过对烟尘的冷却捕集可将挥发的砷、锑回收并返回锑冶炼主系统，避免了有价金属的浪费与砷的污染，实现了对砷碱浸出渣低成本高值化处理，所制陶粒强度高密度小，可应用于建材等领域，且该方法流程短，成本低廉，可实现工业化应用。
Method for harmlessly preparing ceramsite by removing arsenic and antimony from arsenic-alkali leaching residues
一种砷碱浸出渣脱除砷锑无害化制备陶粒的方法
HAN HAISHENG (author) / SANG MENGCHAO (author) / SUN WEI (author) / WANG YUFENG (author) / TIAN JIA (author) / ZHANG YINGFEI (author)
2024-12-17
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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