. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . 2. . OF ELEC-TRICAL PRECIPITATION PIPE TREATER trace of a vapor can be seen. The finalproof of the effectiveness is the carloadsof dust taken from the collecting bins. Before describing the process and theapparatus more in detail, two examplesof what can be obtained by the installa-tion of this apparatus are given. Theseexamples give some idea of the econo-mies to he gained, and the great waste of. ... i;as plants to remove dust, tar andlampblack, and in various other ind
. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . 2. . OF ELEC-TRICAL PRECIPITATION PIPE TREATER trace of a vapor can be seen. The finalproof of the effectiveness is the carloadsof dust taken from the collecting bins. Before describing the process and theapparatus more in detail, two examplesof what can be obtained by the installa-tion of this apparatus are given. Theseexamples give some idea of the econo-mies to he gained, and the great waste of. ... i;as plants to remove dust, tar andlampblack, and in various other industrialprocesses. In general the process appliesto the collecting of suspended solids andliquids carried in effect of the electrical precipitationcry noticeable. With no electric cur- •Ok materials and what it means to somelarge plants. /\ copper smelting company installedan electrical precipitation cquipincnl at acost of approximately $,CHJ0. The op-crating expenses for the power, labor, lo approximately $15,000 a year, making a total cost for the first year of$130,000. Here is the interesting part—the value of the copper dust collected forthe first year, the dust being worth 12ca pound, was approximately $180, savings for the first year amounted tomore than the total cost and labor. Inthe succeeding years a very magnificentprofit resulted. Another example is that of a cetnentplant. The equipment cost approximately$180,000; labor for the year of approxi-m
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