1. The boron requirement of magnesium quarry
Cut-off grade: B 2 O 3 3%;
Industrial grade: B 2 O 3 5%;
Available thickness: 1~2 m;
Clip stone removal thickness: 1 ~ 2 m;
Grade of ore grade I grade (rich ore): B 2 O 3 >11%; no need for ore dressing , direct processing;
Grade II (poor ore): B 2 O 3 5% to 11%; subject to beneficiation or ore blending.
2. To the salt lake boron mine
(1) Requirements for solid boron ore layers Boundary grade: B 2 O 3 1.5%
Industrial grade: B 2 O 3 2%;
Available thickness: ≥0.3 m;
The thickness of the stone is removed: ≥0.6 m.
(2) Requirements for liquid boron ore (boron-containing brine and intergranular brine) Boundary grade: B 2 O 3 400 mg/L;
Industrial grade: B 2 O 3 1 000 mg/L.
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