1.

POSCO, Pohang
Korea

4 GPM (900 LPH)
Acid Regeneration Plant

Oct. 1976

2.

Dongbu Steel, Incheon
Korea

11.9 GPM (2,700 LPH)

Acid Regeneration Plant

Nov. 1989

3.

Union Steel, Pusan
Korea

22 GPM (5,000 LPH)

Acid Regeneration Plant

Sep. 1992

4.

POSCO, No. 3 POL, Kwangyang
Korea

15.4 GPM (3,500 LPH)

Acid Regeneration Plant

Aug. 1998

5.

Hyundai Hysco, Youlchon
Korea

48 GPM (11,000 LPH)

Acid Regeneration Plant

July. 1999

6.

Dongbu Steel, A-san
Korea

44 GPM (10,000 LPH)

Acid Regeneration Plant and

Silica Reduction Plant

Oct. 1999

7.

Dongbu Steel, Incheon
Korea

Upgrade of increase capacity
to 3,500 LPH of Acid
Regeneration Plant

Aug. 2000

8.

SeAH Steel, Kunsan
Korea

2,800 LPH
Acid Regeneration Plant

Aug. 2005

9.

POSCO, No. 1 POL, Kwangyang
Korea

10,000 LPH
Acid Regeneration Plant

Dec. 2005