Ashland, Ky., Works MILL SCALE WATER Objectives To remove practically all mill scale, oil and grease To clarify for re-circulation 78,000 gallons Estimated Cost $8,500,000 Annual Operating Expense 1,000,000 Ashland, Ky., Works OPEN HEARTH AIR POLLUTION ABATEMENT Objective •Remove all but a very small percentage of Iron Oxide Furnace Dust Particles which escape into the air, Estimated Cost $6,500,000 Annual Operating Expense_425,000 Ashland, Ky., Works HYDROCHLORIC ACID Objective To eliminate discharge of practically all spent pickling solutions into the Ohio River. Estimated Cost $2,500,000 Annual Operating Expense_300,000 Baltimore, Md., Works WATER POLLUTION ABATEMENT EQUIPMENT ON PICKLING UNIT Objective To eliminate discharge of spent Estimated Cost $300,000 Annual Operating Expense 50,000 Baltimore, Md., Works AIR POLLUTION ABATEMENT Objective • To remove all possible particulate matter from spent gasses leaving electric furnace. To eliminate discharge of practically all mill scale, oil and grease into the Connoquenessing Creek. To clarify for re-circulation 14,000 gallons of water per minute. Estimated Cost $3,000,000 Annual Operating Expense_300,000 Butler, Pa., Works SPENT PICKLING SOLUTIONS DISPOSAL PLANT Objective To eliminate discharge of practically all spent pickling solutions and rinse water into the Connoquenessing Creek. This waste is treated with lime to make an Iron Hydroxide Solution which must be pumped to settling lagoons for permanent storage. (See photo on next page.) |