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Author : Bert Allard,Hans Boren,Anders Grimvall
Publisher : Unknown
Page : 532 pages
File Size : 41,8 Mb
Release : 2014-01-15
Category : Electronic
ISBN : 3662198827
Author : Bert Allard,Hans Borén
Publisher : Springer
Page : 536 pages
File Size : 53,6 Mb
Release : 1991
Category : Humic acid
ISBN : UCSD:31822005676234
Author : Bert Allard,Hans Boren,Anders Grimvall
Publisher : Springer
Page : 519 pages
File Size : 52,5 Mb
Release : 1991-02-26
Category : Science
ISBN : 3540537023
The state of the art on isolation techniques, ion binding theory, biologic activity in the aquatic environment as well as the formation of mutagenic compounds from chlorination is reviewed by worldwide-known experts. Additional papers describe current research on the topics: isolation, fractionation and characterization; biological and chemical transformation and degradation; complex formation and interactions with solids; biologic activity, halogenation of humic substances.
Author : A. Piccolo
Publisher : Elsevier
Page : 675 pages
File Size : 51,7 Mb
Release : 1996-06-07
Category : Science
ISBN : 0080534236
This book highlights the increasing importance of humic substances in the different scientific fields related to terrestrial ecology, soil quality conservation, and environmental chemistry. It shows that modern humic substances research is not only directed to unravel their yet ill-defined chemical structure but is successfully exploring the interconnected chemical, biological, and physical processes that maintain the ecological equilibrium of soil and ensure a sustainable agricultural production. The book will primarily be of interest to soil scientists and to ecological and environmental scientists. People in the fields of forest science, agronomy, analytical and environmental chemistry, water science, environmental engineering, and coal science will also find this publication worthy of their attention.
Author : Dag Hessen,Lars J. Tranvik
Publisher : Springer Science & Business Media
Page : 350 pages
File Size : 40,6 Mb
Release : 2013-03-09
Category : Science
ISBN : 9783662037362
Humic substances occur in all kinds of aquatic systems, but are particularly important in northern, coniferous areas. They strongly modify the aquatic ecosystems and also constitute a major problem in the drinking water supply. This volume covers all aspects of aquatic humic substances, from their origin and chemical properties, their effects on light and nutrient regimes and biogeochemical cycling, to their role regarding organisms, productivity and food web organization from bacteria to fish. Special emphasis is paid to carbon cycling and food web organization in humic lakes, but aspects of marine carbon cycling related to humus are treated as well.
Author : E.M. Thurman
Publisher : Springer Science & Business Media
Page : 524 pages
File Size : 52,7 Mb
Release : 1985-04-30
Category : Science
ISBN : 9024731437
This book is written as a reference on organic substances in natural waters and as a supplementary text for graduate students in water chemistry. The chapters address five topics: amount, origin, nature, geochemistry, and characterization of organic carbon. Of these topics, the main themes are the amount and nature of dissolved organic carbon in natural waters (mainly fresh water, although seawater is briefly discussed). It is hoped that the reader is familiar with organic chemistry, but it is not necessary. The first part of the book is a general overview of the amount and general nature of dissolved organic carbon. Over the past 10 years there has been an exponential increase in knowledge on organic substances in water, which is the result of money directed toward the research of organic compounds, of new methods of analysis (such as gas chromatography and mass spectrometry), and most importantly, the result of more people working in this field. Because of this exponential increase in knowledge, there is a need to pull together and summarize the data that has accumulated from many disciplines over the last decade.
Author : Kim H. Tan
Publisher : CRC Press
Page : 495 pages
File Size : 46,5 Mb
Release : 2014-06-10
Category : Science
ISBN : 9781482234466
The field of humic matter research has undergone drastic changes in concepts and principles since the first edition of Humic Matter in Soil and the Environment: Principles and Controversies was published more than a decade ago. Still the only book of its kind specifically addressing humic acid principles and controversies, the Second Edition presen
Author : F. H. Frimmel
Publisher : Unknown
Page : 296 pages
File Size : 41,9 Mb
Release : 1988-04-25
Category : Science
ISBN : UOM:39015013231975
Very Good,No Highlights or Markup,all pages are intact.
Author : Christian Steinberg
Publisher : Springer Science & Business Media
Page : 441 pages
File Size : 40,8 Mb
Release : 2013-11-11
Category : Science
ISBN : 9783662068151
Humic Substances color all waters more or less brown. Their concentrations exceed all carbon of living organisms by at least one order of magnitude. Opposite to former paradigms, they participate in almost any metabolic pathway. They protect against UV-irradation, enable indirect photolysis and, thus, purify hazardous chemicals, they provide inorganic and organic nutrients, may form cryptic genes with DNA and dampen metabolic fluctuations. More recently they can increase adverse effects of hazardous chemicals and they can directly interfere with organisms. The book tries to relate effects to structural features.
Author : Bert Allard,Hans Borén
Publisher : Springer
Page : 536 pages
File Size : 42,8 Mb
Release : 1991
Category : Science
ISBN : UOM:39015019485104
Author : Russell F. Christman,Egil T. Gjessing
Publisher : Ann Arbor Science Publishers
Page : 556 pages
File Size : 43,7 Mb
Release : 1983
Category : Science
ISBN : UCSD:31822010044774
Author : Irina V. Perminova,Kirk Hatfield,Norbert Hertkorn
Publisher : Springer Science & Business Media
Page : 544 pages
File Size : 52,8 Mb
Release : 2005-03-24
Category : Science
ISBN : 1402032501
Effective remediation of polluted environments is a priority in both Eastern and Western countries. In the U.S. and Europe, remediation costs generally exceed the net economic value of the land. As a result, scientists and engineers on both sides of the Atlantic have aggressively tried to develop novel technologies to meet regulatory standards at a fraction of the costs. In situ remediation shows considerable promise from both technical and economic perspectives. In situ technologies that deploy natural attenuating agents such as humic substances (HS) may be even more cost effective. Numerous studies have shown humics capable of altering both the chemical and the physical speciation of the ecotoxicants and in turn attenuate potential adverse environmental repercussions. Furthermore, the reserves of inexpensive humic materials are immense. Which suggests HS portend great promise as inexpensive amendments to mitigate the environmental impacts of ecotoxicants and as active agents in remediation. To elucidate emerging concepts of humics-based remediation technologies, we organized the NATO Advanced Research Workshop (ARW), entitled "Use of humates to remediate polluted environments: from theory to practice", held on September 23-29, 2002 in Zvenigorod, Russia (see the web-site http://www.mgumus.chem.msu.ru/arw).
Author : Stuart Findlay,Robert L. Sinsabaugh
Publisher : Academic Press
Page : 534 pages
File Size : 51,5 Mb
Release : 2003
Category : Nature
ISBN : 9780122563713
Overviews of the source, supply and variability of DOM, surveys of the processes that mediate inputs to microbial food webs, and syntheses consolidating research findings provide a comprehensive review of what is known of DOM in freshwater. This book will be important to anyone interested in understanding the fundamental factors associated with DOM that control aquatic ecosystems."--BOOK JACKET.
Author : I. H. Suffet,Patrick MacCarthy
Publisher : Unknown
Page : 908 pages
File Size : 40,9 Mb
Release : 1989
Category : Language Arts & Disciplines
ISBN : UOM:39015016107099
Here is a cohesive compilation of recent research results into the many aspects of water purification. Major sections cover the characterization and environmental impact of aquatic humic substances, their reactions in natural water and sediments, and their influences on water treatment. Topics examined include hazardous waste chemicals, water solubility enhancement, sorption, metal speciation, and photochemistry. Specific types of treatment processes are also described.
Author : M H B Hayes,W S Wilson
Publisher : Elsevier
Page : 507 pages
File Size : 45,7 Mb
Release : 1997-01-01
Category : Science
ISBN : 9781845693220
Based on the contributions given at a leading international conference, this volume concentrates on developments in the environmentally-friendly disposal of sludges and on the reawakened interest in composting which has emerged as a result of significant European directives.
