Industrial Dust: Hygienio Signifioanoe:, Mesurement and control. By P. Drinker and T. Hatch. Pp. viii + 316. London: McGraw-Hill Publishing Co., Ltd., 1936. 21s
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 2010
- Weight
- 276 KB
- Volume
- 56
- Category
- Article
- ISSN
- 0368-4075
No coin nor oath required. For personal study only.
✦ Synopsis
introduction, which deal respectively with Crushing, Grinding, Flotation Reagcntfi, Flotation hIacliines, .I'lotation BIethods, Concentrate irrid Tailings Disposal. ll'inally two short appendices give gcncriilizcd dittii of capital cost of flotation plants, and figurw for 1:iundcr slopes iriid pumping power.
The author stutes in the preface that the book is intended not for thc flotation spccialist but for tho general engineer and student. It niriy also lie rccoiumended to the investor who is soiiictinics puzzled I)p references in reports of mining comp~tnic~ to such mattem ns ' I selective flotatiou," " inst,:illation of u Regrind Unit,," or t.hc like, since it gives nil exninentlp reudnble ticcount in brief of d l operations pertaining to ' I 0otation."
Chapter 6 dcding with Flotation BfctIiods is of considerable rduc ; i t cont,ains thirteen sketches of Bowehects thut luive become more or less standardized h the industry, 11s wcll as details of the reiigeiit conil)iiiations thiit litrve been found to answer well in practice.
A41though not written for the " speciiilist.," this book nxiy h i recommendctl to tlic student, iiud rilso to thc pliyfiicist. who niay take t i n itrnichiiir interest in flotation phcnomcnii ; for it makes cleiir why flotation pruct.icc has so often been a coniproniise between scieiitific efficiency Rnd economic expediency. Consider, for esiiniple, cost of fine grincling versus criticril uverngc pitrticlc sizc, or the important qricrttiori of diq)osttl of 'I middlings."