66 research outputs found

    Bioprocessing Requirements for Bioethanol:Sugarcane vs. Sugarcane Bagasse

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    This chapter discusses alternative energy sources and the advantages of biofuels over fossil fuels. It outlines the main steps of bioethanol production and suggests some alternative sources as potential feedstock. The core focus of this chapter is to examine new research which considers the use of agricultural waste as a feedstock for bioethanol production rather than conventional feedstocks such as sugarcane and corn. The advantages of sugarcane bagasse as a feedstock are discussed in detail and the bioprocessing requirements are studied in comparison to traditional methods that use sugarcane as the feedstock. The chapter concludes by briefly outlining further research that could potentially improve these processes

    Dataset on the impact of UV, nitric acid and surfactant treatments on low-density polyethylene biodegradation

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    Present investigation evaluates the LDPE (low-density polyethylene) biodegradation efficiency of polymer degrading bacteria along with UV, nitric acid and surfactant treatments. In current scenario LDPE contamination reported as dominant pollutant in terrestrial and aquatic ecosystem due to its expulsion from commercial and domestic practices. Biodegradation serve as an innovative and effective approach to waste management as compared to land filling and burning processes. The outcomes of UV, nitric acid and surfactant treatments on polymer degradation in addition to bacterial treatment were determined by SEM, FT-IR and electrical conductivity analysis

    Dataset on the superabsorbent hydrogel synthesis with SiO2 nanoparticle and role in water restoration capability of agriculture soil

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    Synthetic polymer was exploited as water-superabsorbent hydrogel and helped to conserve water in the agricultural soil. The hydrogel polymers were synthesized the carboxymethyl cellulose (CMC) and starch in addition to SiO2 nanoparticles. Superabsorbent hydrogel polymer having 35% water retention ability was analyzed with three replicates. Hydrogel increased the water restoration capability of agricultural soil. Keywords: Biodegradation, Nanoparticles, Polymer, Hydroge

    Bioremediation of Environmental Pollutants

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    This chapter describes how pollutants are increasing in the environment due to the rapid industrialization all over the world. The environment has been contaminated with large number of organic and inorganic pollutants. The organic pollutants are largely anthropogenic and are introduced to the environment in many ways. Soil contamination with toxic metals, such as Cd, Pb, Cr, Zn, Ni, etc., as a result of worldwide industrialization has increased noticeably within the past few years. Bioremediation is a process for reclaiming the environment which has been polluted with the help of living forms. It is an option that offers the possibility to destroy various contaminants using natural biological activity and to degrade the environmental contaminants into less toxic forms. It is also applicable for the heavy metal hazards. It has proven to be cheap and efficient than other techniques. This chapter focuses on the possible trends in the remediation of environment pollutants with the help of plants as well as microbes.</jats:p

    Biosorption of Heavy Metals

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    Large-scale production of commodities for mankind by industries did huge damage to the environment. Industrial waste contains lots of toxic materials including heavy metals were drained to water bodies like river, lakes, ponds, etc. These effluents drastically ruin water quality as well as the soil fertility. Type of industry and its raw material decides quantity and quality of the emerged wastes including both biodegradable as well as non-biodegradable. Among non-biodegradable wastes, copper, chromium, nickel, cadmium, etc. are widespread contaminants of soil, water, and these are most common heavy metals. Several heavy metals such as cadmium, mercury, and lead are highly poisonous and fatal to human as well as animals. Several plants as well as microbes respond to heavy metals by diverse biological processes like biosorption to their cell wall and entrapment in their capsule, oxidation and reduction, precipitation, complexation, etc. These responses may help significantly in the remediation of heavy metals from the contaminated sites. </jats:p

    Biodegradation of Natural and Synthetic Polymer

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    Polymer contamination with the advent of fast industrialization has become one of the serious threat to the natural environment. Due to lack of proper knowledge, poor waste management practice and unavailability of potential microbial strains, preference toward the biodegradable manmade and natural polymers. The prevalent occurrence of synthetic polymers is related to industrialization and domestic practices which affect the marine and terrestrial ecosystems. Scientific approaches exploited for polymer degradation include physical, chemical and biological treatments. Among them, biodegradation serves as eco-friendly approach to remediate polluted environment using living organisms. In this chapter biodegradation of natural (cellulose, hemicelluloses and lignin), synthetic (polyurethane, polyethylene succinate, polycaprolactone, polyvinyl alcohol and polyethylene) polymers and associated factors that influence the polymer biodegradation process have been discussed. </jats:p
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