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<br /> <br />5.9 BULFURIC ACID METERING PUMP (06-PP-32) <br /> <br />L~ <br />~: <br />C <br />is <br />C <br />t <br />This progressing cavity pump meters acid from the storage <br />tank to the pH Adjustment Tank on demand. The pump is <br />started when the slurry pH reaches 8.9 and stops when the <br />pH has fallen to 8.5. The pump is equipped with a variable <br />speed drive. During commissioning, the speed will be <br />adjusted so that the pump output closely matches the acid <br />demand, minimizing cycling. <br />pj/1480rp 012591 <br />5-3 <br />