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Hazardous Gases: Risk Assessment on Environment and Human Health
examines all relevant routes of exposure, inhalation, skin
absorption and ingestion, and control measures of specifics
hazardous gases resulting from workplace exposure from industrial
processes, traffic fumes, and the degradation of waste materials
and how they impacts the health and environment of workers. The
book examines the risk assessment and effect of poisonous gases on
the environment human health. It also covers necessary emergency
guidelines, safety measures, physiological impact, hazard control
measures, handling and storage of hazardous gases. Each chapter is
formatted to include an introduction, historical background,
physicochemical properties, physiological role discussing
mechanisms of toxicity, its effect on human health as well as
environment, followed by case studies and recent research on toxic
gases. Hazardous Gases: Risk Assessment on Environment and Human
Health is a helpful resource for academics and researchers in
toxicology, occupational health and safety, and environmental
sciences as well as those in the field who work to assess and
mitigate the impact of toxic gases on the work environment and the
health of the workforce.
A timely overview of techniques for involving biological organisms
in the remediation of polluted ecosystems As a result of worldwide
industry, urbanization, and population growth, many harmful organic
and inorganic pollutants have been introduced into the environment.
With bioremediation, we can use fungi, bacteria, and plants—along
with their secondary metabolites—to clean up areas that have been
affected by industrial and commercial activities. Biotechnology in
Environmental Remediation presents a thorough consideration of the
most important biologically-based remediation methods in use today.
Environmental biotechnology is a more sustainable alternative to
chemical and mechanical remediation methods, which explains the
rapidly growing popularity of these techniques. This edited volume
summarizes our current understanding of bioremediation approaches
and presents research outcomes from a diverse selection of
geographies and ecosystems. Chapters cover remediation techniques
for pollutants affecting soil, water, air, and sediments, as well
as tools for addressing these issues, including tools for
assessment and monitoring. Uniquely, Biotechnology in Environmental
Remediation emphasizes the latest findings on the use of secondary
metabolites in bioremediation. Other topics covered include
chemical sustainability, nanotechnology, and biofuels. Readers will
gain an understanding of issues including: How biological organisms
and their secondary metabolites are currently being used in
environmental remediation projects worldwide New applications for
phytomolecules, lichens, nanoparticles, rhizobacteria, and other
technologies, as well as future directions for bioremediation The
steps in the process of biotechnology-driven remediation, including
detection, investigation, assessment, cleanup, redevelopment, and
monitoring Remediation of petroleum hydrocarbons, algal carbon
sequestration, wastewater management, and the role of fatty acid
and proteins in remediation The investigations in this book provide
important knowledge for researchers in biotechnology, ecology,
environmental science, and related disciplines. Additionally,
policymakers and NGOs with an interest in remediating environmental
contaminants will gain valuable context. Biotechnology in
Environmental Remediation is a foundation for future research on
biotechnological interventions for a clean planet.
Concrete is a versatile construction material. For more durable and
strong structures, the concrete of high strength is required. To
make concrete more strong, pozzolans are added to concrete.
Metakaolin ( MK ) is a pozzolana used to achieve the required
strength. The present study investigates the characteristics
strength of concrete due to partial replacement of cement by MK and
addition of polypropylene fibres (PPF). M30 concrete was designed
according to BIS guidelines. The investigation was carried out on
concrete containing MK and PPF at various proportions of 0%, 7%, 8%
and 9% of MK and 0%, 0.2%, 0.5% and 0.8% of PPF. Fly ash (10%) and
superplasticizer (0.7%) has been added to improve the workability
of concrete. In present study, the results of X-ray diffraction
(XRD) analysis of concrete containing metakaolin and fly ash were
analysed. Analysis of cement, metakaolin and fly ash was done with
XRD. Samples K0, K4, K8 and K12 containing 0%, 7%, 8% and 9% MK (by
weight of cement) respectively at the sample age of 1 day were also
analysed with XRD.
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