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Aluminium dross recycling and recovery technology

Aluminium dross recycling and recovery technology

Aluminum dross recycling and recovery technology


 Aluminum dross (aluminum slag) is one kind of by-product produced by First aluminum industry and second aluminum industry.  The poisonous metal element(Se,As,Ba,Cd,Cr,Pb Etc) in the aluminum dross may cause heavy metal pollution if they go into the soil and groundwater system, the salt of the salt cake gather in the soil can cause salinization, contacting with water will produce ammonia, hydrogen and methane, which can cause fire; the impurities such as arsenic and arsenide aluminum will have the reaction with water to product arsine gas, after gathering in the production sites , which not only pollute the air, but also cause acute arsine poisoning to the close contacts.


In our country, the aluminum dross generated each year is great amount, the storing occupies the land and it is harmful. On the other hand, there is lots of aluminum and alumina in the aluminum dross, can be renewable resources.  Aluminum recovery rate is low in the aluminum dross processing, high energy consumption in the past.


In view of this situation, we develop new technology vigorously and adopt foreign advanced technology and equipment to change the old outdated processing method. Making the research and development of aluminum recovery technology from industrial aluminum slag and aluminum dross, this can not only protect the environment, but also recycle aluminum, the full realization of the concept of circular economy.


For aluminum dross processing and recovery, we have good understanding for aluminum dross. From the different high temperature aluminum dross and aluminum dross composition generated from different sources, we analysis and research it.  We offer different aluminum dross recovery and recycling solution according to different situation and request, so that we can get aluminum recycling, promote our aluminum dross recovery healthy, persistent and stable development.


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Aluminum dross recycling and recovery technology