POLLUTION OF LAKE CHAMPLAIN.

POLLUTION OF LAKE CHAMPLAIN.

A Glens Falls, N. Y., correspondent writes under date of September 26 that, “after spending thousands of dollars in experimenting on a process for the evaporation of the waste liquor thrown out of the digestors of a sulphite pulp mill, so that the refuse shall not pollute the water of the Ausable river, the J. & J. Rogers Company, of Ausable Forks, has invented a process, through the work of its chemist, J. S. Robeson. A small plant has been erected, and the result is entirely satisfactory, it is said, more than ten per cent, of the waste liquor being evaporated. According to reports, the water is freed from all foreign substance, and emerges clear from the plant. All the pulp and fibre and other substances are taken from it. and become a valuable product, which is used for sizing paper. By further treatment, also, it is hardened, and made into cores for paper rolls. Plans are already under way for the erection of a $33,000 plant, which will he able to treat the entire waste liquor of the mill. If adopted by all the other mills discharging into the Adirondack waters, this process will solve the long standing pollution problem, it is declared.” It will be remembered that owners of country seats along the shores of I.ako Champlain, led by E. F. Hatch, jr., have been conducting a vigorous campaign, both in New York State and in Vermont, against pollution of the water by refuse from pulp mills. Allegations were made that many cases of illness resulted from impurities from the mills, and the State authorities of New York and Vermont have had the subject under investigation.

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