Table 12 Comparison of mine operation results.

From: Decision-making model for production and operation of underground gold mines considering low-carbon condition

Index

Unit

Before adjustment

After adjustment

Unit carbon tax price

RMB/t

67

44

Carbon emission

104 t/year

37.3

32.8

Optimal carbon abatement costs

104 RMB/year

1625

1476

Service time

year

8, 9, 10

10

Ore processing capacity

104 t/year

555

520

Gold throughput

kg/year

9523

9013

Accumulated profit

108 RMB

151.26

153.74