Inhaltsangabe
Excerpt from Manual of Cyanidation
Besides containing cyanide, the solution to be used for treating the ore must contain some additional or free alkali, because nearly all ores contain acid or tend to develop it during the course of treatment, and acids react with the alkaline cyanide to form hydrocyanic acid, hcn, thus involving a loss of the active reagent kon. The alkali most commonly used is lime, both because of its cheapness, and also because some lime is needed in any case to coagulate and settle the separated slime prepara tory to the slime treatment process. Caustic soda may also be used as protective alkali, though lime is usually preferable for chemical reasons, apart from other considerations.
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This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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Reseña del editor
Excerpt from Manual of Cyanidation
Besides containing cyanide, the solution to be used for treating the ore must contain some additional or free alkali, because nearly all ores contain acid or tend to develop it during the course of treatment, and acids react with the alkaline cyanide to form hydrocyanic acid, hcn, thus involving a loss of the active reagent kon. The alkali most commonly used is lime, both because of its cheapness, and also because some lime is needed in any case to coagulate and settle the separated slime prepara tory to the slime treatment process. Caustic soda may also be used as protective alkali, though lime is usually preferable for chemical reasons, apart from other considerations.
About the Publisher
Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com
This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Reseña del editor
Excerpt from Manual of Cyanidation
The aim of the present work has been to provide in a handy sized volume a compendium of all the ascertainable facts concerned with the cyanide process that may have a practical bearing on testing an ore, planning the flowsheet and operating the plant when erected. Purely theoretical questions have therefore been kept in the background for the most part.
The substance of the book is necessarily in large part a compilation and the author has not hesitated to quote verbatim from other writers in cases either where he has had no personal experience of the subject dealt with or where the matter treated of would seem to suffer in clarity and usefulness by being paraphrased or condensed. Credit has been given for discoveries and statements in every case where it was possible to ascertain their origin.
Explanations of procedure have often been gone into in more detail than would have been necessary for the use of those thoroughly familiar with the working of the process, but by so doing it was hoped that the book might be found useful to the student as well as to the advanced metallurgist, and that it would find a place on the laboratory bench as well as fulfilling the function of a vade mecum for the metallurgical engineer on his travels.
About the Publisher
Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com
This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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