Nonfiction 10

Download e-book for iPad: Adsorption From Aqueous Solutions by Donald Langmuir (auth.), P. H. Tewari (eds.)

By Donald Langmuir (auth.), P. H. Tewari (eds.)

ISBN-10: 1461332648

ISBN-13: 9781461332640

ISBN-10: 1461332664

ISBN-13: 9781461332664

Adsorption from aqueous options is necessary in lots of tech­ nological components, like water purification, mineral beneficiation, soil conservation, detergency, and plenty of components of biology. lately, adsorption of radionuclides from aqueous recommendations has develop into the focal point of consciousness in assessing the circulate of radionuclides via a geologic medium from underground radioactive waste repositor ies. This quantity presents a multidisciplinary evaluation of present paintings within the sector of adsorption from aqueous recommendations, and stories the development that has been made within the theoretical versions for assessing adsorption. Adsorption of heavy steel ions and the impression of complicated formation is taken care of widely, as are the results of floor chemical homes of the adsorbent, answer pH, and thermodynamic parameters very important within the adsorption approach. Adsorption of insecticides and natural polymeric species on various adsorbents are integrated and implications of adsorption of ions on dental fabrics are mentioned. additionally integrated are reviews of the adsorption of radionuclides by way of geologic media below environmental stipulations. The learn of the chemical nature of the adsorbed species on the floor by way of X-ray photoelectron spectro­ sc.opy which regularly presents mechanistic info for the adsorption strategy is integrated for adsorbed steel ions on clay and mineral surfaces.

Show description

Read or Download Adsorption From Aqueous Solutions PDF

Similar nonfiction_10 books

New PDF release: The Future of Predictive Safety Evaluation: In Two Volumes

A. N. WORDEN, D. V. PARKE AND J. MARKS THE heritage there's not anything new in regards to the proven fact that chemicals derived both from average items or by way of artificial capacity . . can provide upward thrust to toxicity in animals and humans, and they needs to be subjected to controls. The earliest writings communicate of such toxicity and, from the days of old Egypt and within the previous Tes­ tament, controls have existed[l].

Current Review of Cerebrovascular Disease by Marc Fisher (ed.), Julien Bogousslavsky (ed.) PDF

New, intriguing, and cutting edge advances within the box of cerebrovascular medication proceed to take place at a quick velocity. The fourth version of present evaluate of Cerebrovascular sickness presents an replace on those quickly evolving themes and a supplies the reader perception into the thought-provoking matters in stroke neurology that experience passed through large alterations up to now years.

Read e-book online AI 2013: Advances in Artificial Intelligence: 26th PDF

This ebook constitutes the refereed lawsuits of the twenty sixth Australasian Joint convention on synthetic Intelligence, AI 2013, held in Dunedin, New Zealand, in December 2013. The 35 revised complete papers and 19 revised brief papers offered have been rigorously reviewed and chosen from a hundred and twenty submissions. The papers are geared up in topical sections as brokers; AI functions; cognitive modelling; desktop imaginative and prescient; constraint pride, seek and optimisation; evolutionary computation; video game taking part in; wisdom illustration and reasoning; desktop studying and knowledge mining; normal language processing and knowledge retrieval; making plans and scheduling.

Additional info for Adsorption From Aqueous Solutions

Example text

01 10- 7 . 5 <10- 10 . 5 10- 5 . 50 10- 4 . 3 10- 5 . A)-i n-~ (A)T where HnA is the uncharged acid and (A)T is the total concentration of A in the system. make the surface charge sufficiently negative that additional SeO~- adsorption is suppressed. However in this case adsorption of SeOl- would significantly enhance cation adsorption. Thus, regardless of which factor limits Seol- adsorption, the effect of SeOl- on metal adsorption should be significant; but no effect was observed, neither a competitive reduction in metal adsorption nor an electrostatic enhancement.

Initially all the iron was soluble, but when the arsenate was added, a white X-ray amorphous precipitate, presumably FeAs04, formed. 0, and Cd adsorption onto the solid was studied. As shown in Figure 13, Cd sorption onto FeAs04 is very similar to that on Fe203·H20(am) with AsO~- adsorbed. While this result does not confirm the presence of an FeAs04 surface phase in the latter system, it does indicate that such a surface phase would have the observed effect on Cd removal from solution. STRONG BINDING OF ANIONIC ADSORBATES 57 100 ....

Tomkiewicz, J. Electrochem. Soc. 126:1505 (1979). EFFECTS OF STRONG BINDING OF ANIONIC ADSORBATES ON ADSORPTION OF TRACE METALS ON AMORPHOUS IRON OXYHYDROXIDE Mark M. Benjamin and Nickolas S. Bloom Department of Civil Engineering University of Washington Seattle, Washington 98195 ABSTRACT Adsorption of three metal ions (Cd 2+, C0 2+, Zn 2+) onto amorphous iron oxyhydroxide has been studied in the presence of several strongly binding anionic adsorbates (SeO~-, SeO~-, AsO~-, AsOj-, CrO~-, PO~-). The anions either increase or have no effect on trace metal adsorption, indicating that competition between the anions and cations for surface sites is relatively minor.

Download PDF sample

Adsorption From Aqueous Solutions by Donald Langmuir (auth.), P. H. Tewari (eds.)


by George
4.2

Rated 4.83 of 5 – based on 49 votes