Research Article

Research on the Negative Externalities Evaluation for the Development of Weathered Crust Elution-Deposited Rare Earth Ores

Table 3

The amount of pollution caused by weathered crust elution-deposited rare earth ore from the production units [16].

Pollutants producedUnitAmount of pollution

Amount of industrial wastewaterm3/t750.00
Chemical oxygen demandg/t98,250.00
Ammonia nitrogeng/t913.00
Industrial solid wastet/t0.913