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Author: M. Asada Publisher: ISBN: Category : Boron Languages : en Pages : 7
Book Description
Phytoremediation is the direct application of green plants and their associated micro-organism to stabilize or absorb contaminants from soils, sludge, sediments, surface water, or groundwater. Boron and fluoride were listed to the soil standards a few years ago in Japan; however, few researches have been reported about phytoremediation on the above elements. In this paper, the authors report the experimental results of accumulation and tolerance ability of green plants focusing on the fluoride and boron contamination. In the pot laboratory tests, the growth rate of Chinese cabbage was not affected by low fluoride concentration (
Author: M. Asada Publisher: ISBN: Category : Boron Languages : en Pages : 7
Book Description
Phytoremediation is the direct application of green plants and their associated micro-organism to stabilize or absorb contaminants from soils, sludge, sediments, surface water, or groundwater. Boron and fluoride were listed to the soil standards a few years ago in Japan; however, few researches have been reported about phytoremediation on the above elements. In this paper, the authors report the experimental results of accumulation and tolerance ability of green plants focusing on the fluoride and boron contamination. In the pot laboratory tests, the growth rate of Chinese cabbage was not affected by low fluoride concentration (
Author: Dharmendra Kumar Gupta Publisher: Springer Science & Business Media ISBN: 3642355641 Category : Science Languages : en Pages : 305
Book Description
Phytoremediation is an emerging technology that employs higher plants for the clean-up of contaminated environments. Basic and applied research have unequivocally demonstrated that selected plant species possess the genetic potential to accumulate, degrade, metabolize and immobilize a wide range of contaminants. The main focus of this volume is on the recent advances of technologies using green plants for remediation of various metals and metalloids. Topics include biomonitoring of heavy metal pollution, amendments of higher uptake of toxic metals, transport of heavy metals in plants, and toxicity mechanisms. Further chapters discuss agro-technological methods for minimizing pollution while improving soil quality, transgenic approaches to heavy metal remediation and present protocols for metal remediation via in vitro root cultures.
Author: Rouf Ahmad Bhat Publisher: John Wiley & Sons ISBN: 1119989280 Category : Bioremediation Languages : en Pages : 420
Book Description
"More than two-thirds of the earth is covered with aquatic habitats that play a key role in stabilizing the global environment and providing a wide variety of services to increasing human needs. Nevertheless, anthropogenic activities are rapidly destroying the quality of both fresh and marine waters over the globe due to excessive use of chemicals and fertilizers, and pollution from suburban and industrial areas eventually make their way into the aquatic world. To preserve the integrity of aquatic environs is the greatest challenge in the current era because more than 80 per cent of urban wastewater, millions of tons of heavy metals chemical, toxic sludge and other waste are being directly discharged into inland waters. There are many reports that bacteria and plant species are using biodegradation and bioremediation strategies. The potential drivers of the commercial use of biological resources are yet to be explored as there are issues involved with technological facilitation and it's need for large investment funds, so there is a need to explore better training and development of more eco-friendly biological resources. After global investigation, the use of biological remediation technologies to deal with environmental problems should become standard practice, even though respondents are striving to apply bioremediation techniques. As microorganisms have evolved different survival strategies in heavier metal-polluted conditions such as biosorption, bioaccumulation or biomineralisation, which are either ex situ or in situ exploitation, these organisms are known to evolve and introduce specific detoxification mechanisms. The use of microbes as a time-saver for bioremediation was a result of the complexities involved in conventional soil regeneration methods. There are so many fungal species (like genera Penicillium, Aspergillus and Rhizopus) which has been identified as potential microbial agents for the removal of heavy metals from aqueous solutions but due to toxicity of chemical or heavy metals, it is difficult to maintain a healthy population of microorganisms hence high throughput genetic engineering tools and techniques need to be employed to attain resistant strains to degrade xenobiotic compounds. A novel technology for obtaining highly efficient biosorbents from endophytes, a hyperaccumulator, which is more convenient than the traditional method of obtaining biosorbents. Genomics, for instance in GMO plants, have been studied and used primarily in microbial genetics, but it is now a new instrument for bioremediation. Knowledge of genomics in the sense of understanding microbiological remediation provides a view of genes linked to microbial exposure to soil toxic metals. The use of genomics in bioremediation enables microorganisms to be analyzed on the basis both of biochemical and mechanism-related molecular levels."--
Author: Münir Öztürk Publisher: ISBN: 9789401771955 Category : Languages : en Pages :
Book Description
Environmental remediation technology has become a rapidly emerging branch of science in the 21st century. This technology is helping many branches of life sciences in solving the problems. This book therefore presents a holistic view of the complex and dynamic responses of our biodiversity to environmental pollution and their remediation strategies, in particular plant eco physiological adaptations which vary from species to species. The topics in this book are discussed to enlighten adaptation strategies to circumvent the negative impacts of polluting factors based on a large number of observations. The growing number of findings in this field are producing several applications in the fields of remediation of polluting factors in the environment. The book discusses the topics like; plant-pollutant interactions, the visible injury in response to boron stress and its genotoxic effects, bioremediation of vanadium, nitrogen pollution, plants and human health, role of halophytes towards soil restoration, nickel uptake, taming food security through wastewater irrigation and its potentiality, deleterious effects and remediation of secondary metabolites in forages, biosorption of copper using waste yeast, liquorice in the remediation of saline soils, role of duckweed in metal accumulation, temporal variations in different environmental parameters, urban plants and air pollution, bioindication and phytoremediation, plants for remediation of organic pollutants. The book also enlightens the research gaps which need to be bridged to achieve larger goals concerning the applications of remediation technology.
Author: Yunmin Chen Publisher: Springer Science & Business Media ISBN: 3642044603 Category : Science Languages : en Pages : 944
Book Description
"Advances in Environmental Geotechnics" presents the latest developments in this interdisciplinary field. The topics covered include basic and advanced theories for modeling of geoenvironmental phenomena, testing and monitoring for geoenvironmental engineering, municipal solid wastes and landfill engineering, sludge and dredged soils, geotechnical reuse of industrial wastes, contaminated land and remediation technology, applications of geosynthetics in geoenvironmental engineering, geoenvironmental risk assessment, management and sustainability, ecological techniques and case histories. This proceedings includes papers authored by core members of ISSMGE TC5 (International Society of Soil Mechanics and Geotechnical Engineering---Environmental Geotechnics) and geoenvironmental researchers from more than 20 countries and regions. It is a valuable reference for geoenvironmental and geotechnical engineers as well as civil engineers. Yunmin Chen, Xiaowu Tang, and Liangtong Zhan are Professors at the Department of Civil Engineering of Zhejiang University, China.
Author: Lee Newman Publisher: Springer Nature ISBN: 3031179889 Category : Science Languages : en Pages : 620
Book Description
The accumulation of large amounts of contaminants occurs in the environment due to industrialization and various other anthropogenic activities. Contaminants ultimately affect human health worldwide. Organic, inorganic, and radioactive substances are the prevalent forms of environmental contaminants and their complete remediation in soils and sediments is rather a difficult task. Concerns of their toxicities led to the emphasis on development of effective techniques to assess the presence and mobility of contaminants in air, water, and soil. Furthermore, the ever-increasing concentration of toxic pollutants in the environment is considered a serious threat to plant, animal, human, and environmental health. Many technologies are in use to clean and eliminate hazardous contaminants from the environment; however, these technologies can be costly, labor intensive, and often distressing to the general public. Phytoremediation is a simple, cost effective, environmentally friendly and fast-emerging new technology for eliminating toxic contaminants from different environments. Phytoremediation refers to the natural ability of certain plants and their associated microbiome (including hyper-accumulators or bio-accumulators) to remove, degrade, or render contaminants harmless. Through this technique, certain species of plants flourish by accumulating contaminants present in the environment. The unique and selective uptake capabilities of plant root and shoot systems, effective translocation, bioaccumulation, and contaminant degradation capabilities of the accumulator plants are utilized in phytoremediation techniques. Phytotechnologies involving the use of plants for contaminant removal gained importance during the last two decades and phytoremediation technology became an effective tool for environmental detoxification because of plants ability to accumulate the contaminants at very high concentrations. Phytoremediation strategies can remove, degrade, or stabilize inorganic and organic contaminants entering a multitude of ecosystems using green plants and their associated microbial communities. The development and use of phytotechnologies continues to move forward at a steady pace. Researchers recognize the potential of phytoremediation to offer a green, cost effective, eco-friendly and feasible application to address some of the world’s many environmental challenges. This book provides significant information to add to the previous volumes published on the topic and can serve as the foundation for the development of new applications that feature the integration of modern research discoveries into new methods to remediate contaminated ecosystems. Moreover, this volume brings recent and established knowledge on different aspects of phytoremediation and nano-phytoremediation, providing this information in a single source that offers a cutting-edge synthesis of scientific and experiential knowledge on polluted environments that is useful for policy makers, practitioners and scientists, and engineers. Phytoremediation: Management of Environmental Contaminants, Volume 7 highlights the various prospects that are involved in current global phytoremediation research. This book delivers a content-rich source to the reader and can act as a platform for further research studies. It should meet the needs of all researchers working in, or have an interest in this particular field.
Author: Norman Terry Publisher: CRC Press ISBN: 1439822654 Category : Science Languages : en Pages : 406
Book Description
Phytoremediation is an exciting, new technology that utilizes metal-accumulating plants to rid soil of heavy metal and radionuclides. Hyperaccumulation plants are an appealing and economical alternative to current methods of soil recovery. Phytoremediation of Contaminated Soil and Water is the most thorough literary examination of the subject available today. The successful implementation of phytoremediation depends on identifying plant material that is well adapted to specific toxic sites. Gentle remediation is then applied in situ, or at the contamination site. No soil excavation or transport is necessary. This severely contains the potential risk of the pollutants entering the food chain. And it's cost effective. The progress of modern man has created many sites contaminated with heavy metals. The effected land is toxic to plants and animals , which creates considerable public interest in remediation. But the commonly used remedies are ex situ, which poses an expensive dilemma and an even greater threat. Phytoremediation offers the prospect of a cheaper and healthier way to deal with this problem. Read Phytoremediation of Contaminated Soil and Water to learn just how far this burgeoning technology has developed.
Author: Steven C. McCutcheon Publisher: John Wiley & Sons ISBN: 0471459321 Category : Science Languages : en Pages : 1019
Book Description
Phytormediation is an exciting new method for controlling and cleaning up hazardous wastes using green plants. This book is the first to compile the state of the science and engineering arts in this rapidly advancing field. Phytormediation: Approaches the subject from the perspectives of biochemistry, genetics, toxicology, and pathway analysis. Is written by two of the premier experts in the field.
Author: Stephanie Fiorenza Publisher: CRC Press ISBN: 1000115208 Category : Technology & Engineering Languages : en Pages : 193
Book Description
Interest in phytoremediation as a solution for contaminants in groundwater and soil has exploded. The project documented in Phytoremediation of Hydrocarbon Contaminated Soils presents innovative technology for environmental clean up using in situ treatment. It describes the results of a field study focusing on hydrocarbon contamination, especially polynuclear aromatic hydrocarbons, in surface and near surface soils. The field demonstration used soils contaminated with aged diesel fuels. The random block design enabled the investigators to test the statistical difference in the effects of different vegetated and unvegetated treatments. They tested the degradation of diesel and polynuclear aromatic hydrocarbon components in plots containing three different vegetation treatments, two grasses and a legume, and a non-vegetated control. Part one of the monograph gives a complete and thorough account of the results of the field study. Part two covers the design and potential costs of a full-scale implementation of the demonstration system as well as the performance and potential application of the new technology. Phytoremediation of Hydrocarbon Contaminated Soils supplies quantitative results about the use of vegetation in soil remediation. The information given on the niches and limitations of the technologies allows for a more informed selection of remedial solutions for environmental cleanup.
Author: M. Asada
Author: M. Asada
Author: Masaharu Fukue
Author: Dharmendra Kumar Gupta
Author: Rouf Ahmad Bhat
Author: Münir Öztürk
Author: Yunmin Chen
Author: Lee Newman
Author: Norman Terry
Author: Steven C. McCutcheon
Author: Stephanie Fiorenza