. Canadian transportation & distribution management. ere tried, the principle followed in themajority of instances being to immerse the water, and in consequence, when forced intothe tie, the salts have a tendency to filterout, remaining in the outer fibres of thewood, the core wood receiving a very dilut-ed solution of the liquid, the major portionremaining near the outside. The most recently developed process em-ploying zinc chloride is claimed to over-come all the above-mentioned is the Bruening-Marmetsehke process stances into their component parts. The use of aluminium s
. Canadian transportation & distribution management. ere tried, the principle followed in themajority of instances being to immerse the water, and in consequence, when forced intothe tie, the salts have a tendency to filterout, remaining in the outer fibres of thewood, the core wood receiving a very dilut-ed solution of the liquid, the major portionremaining near the outside. The most recently developed process em-ploying zinc chloride is claimed to over-come all the above-mentioned is the Bruening-Marmetsehke process stances into their component parts. The use of aluminium sulphate in con-junction with zinc chloride creates a phe-nomenon, the reasons for which have notbeen discovered. Portions of the zincchloride and aluminium sulphate remainfixed in the wood substances, the alumin-ium sulphate forming a coagulant of someof the substances in the wood that formfood for decay. It may exist in the woodin a colloidal form, united chemically tothe wood substance. At any rate, the zincchloride, as added to the wood with the. Fig. i.—Layout of Buildings and Yard of (commonly called the B. M. process), andis the one almost universally employedw& ere zinc chloride is the antisepticmedium. In this process, to the zinc chlo-ride solution there is added aluminium sul-phate, the relation of the zinc chloride tothe aluminium sulphate being 2 to 1. As mentioned, zinc cholride forms an im-perfect solution in water, and the result-ant solution is more or less clouded fromthe presence of the suspended salts. Even a Modified Zinc Chloride Tie Treating Plant. aluminium sulphate, seems to be free fromleaching, as proved by experiments con-ducted by different authorities. A valuable feature about zinc chloridetreated wood is that it is fireproof, andwill only char slowly when subjected toflame. Wood so treated is affected veryslightly from an electrical after treatment, the dissolvedsalts increase the conductivity of the tieto such a degree as to m
Size: 1939px × 1289px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, bookpublisherdonmi, bookyear1913
