Improved treatments for solid waste and wastewater, 2. Lean Library can solve it. endobj Please check you selected the correct society from the list and entered the user name and password you use to log in to your society website. Who decides about biotech? The predominant hydrocarbon types in the contaminated matrix; the bioavailability of the contaminants to microorganisms. Click the button below for the full-text content, 24 hours online access to download content. endobj <>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 720 540] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> If biotechnology is beneficial for humans, it has some issues also. Our mission is to provide an online platform to help students to share notes in Biology. If these mechanisms are understood and the barriers are overcome, novel biotechniques will potentially change the way users rebuild technologies for the sustainable use of different biological processes for wastewater, air, and solid waste treatment. This action should have other beneficial results because land disposal of hazardous waste, waste water loadings, air emissions and production costs are greatly reduced. Bio-sorption is a fast and reversible process for the removal of toxic metal ions from waste water by live or dried biomass, which re­sembles adsorption and in some cases ion ex­change. your solution of Biotechnology & Environmental Issues- Question paper Notes | EduRev search giving you solved answers for the same. Office of Technology Assessment (OTA) , US Congress . Find out about Lean Library here, If you have access to journal via a society or associations, read the instructions below. %���� Kannan Pakshirajan | Eldon R. 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Veluri, Indian Institute of Technology Guwahati, India, UNESCO-IHE Institute for Water Education, The Netherlands,,, Biomarkers for environmental pollution monitoring, Electrochemical biosensors and the development of new biosensors for environmental monitoring, Novel analytical techniques and test methods for environmental (air, water, and solid waste) quality monitoring, Biodegradation of pollutants, including organic and inorganic, N, P, K, and S compounds, Microbiological aspects of waste treatment: physiology and metabolism, new microbial species (bacteria, fungi, yeast, and algae), enumerating microbial populations in bioreactors, and application of novel microbiology-based approaches, Biotechniques to treat emerging pollutants from water, air, and leachate, including endocrine disruptors, Development of new biocatalysts and innovative bioreactors for pollution control and biotransformations: membrane bioreactors, microbial fuel cells, and alternative bioreactor configurations, among others, Phytoremediation and improved wetland configurations for pollution control, Integration of nonbiological processes with bioprocesses, Biotransformation of contaminants to biofuels and other valuable products, for example, combustible biomass, syngas fermentation, and biofuels production from waste resources. From an overall material consump­tion perspective, excessive quantities of waste in society result from inefficient production processes (on the industrial side), and unsus­tainable consumption patterns combined with low sustainability of goods. Subse­quently, metals can be accumulated and then released from biomass by acidic treatment. endobj Biotechnology & Environmental Issues- Question paper Notes | EduRev chapter (including extra questions, long questions, short questions, mcq) can be found on EduRev, you can check Biotransformation processes use natural and recombinant microorganisms (yeasts, fungi, bacteria), enzymes, whole cells. Key Points of Environment Biotechnology 3. What is the reserve food material in red algae? Sign in here to access free tools such as favourites and alerts, or to access personal subscriptions, If you have access to journal content via a university, library or employer, sign in here, Research off-campus without worrying about access issues. In fact, waste represents one of the key intervention points of the potential use of environmental biotech­nology. The biodegradability of refractory pollutants was investigated and applied by numerous researchers, since this becomes more and more a stringent problem of the environment be­cause of previous or current pollution. The pro­cesses can be exploited as suspended (activate sludge) or attached growth (fixed film) sys­tems. Due to its hybrid nature, MBRs offer advantages and gain merits. <> Destruc­tion (biodegradation and biotransformation) is carried out by an organism or a combination of organisms (consortia) and is the core of en­vironmental biotechnology, since it forms the major part of applied processes for environ­mental clean-up. Effluents containing cyanide from various in­dustries must be treated before discharging into the environment. endstream 4. Issues of public concern over agricultural and environmental biotechnology were identified from opinion surveys, the popular press and technical/regulatory sources. <>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 720 540] /Contents 8 0 R/Group<>/Tabs/S/StructParents 1>> Biotechnology: its role in environment protection February 2012 Conference: National conference on “Recent advances in engineering technology and environmental issues" Different organisms need dif­ferent types of nutrients. This includes the temperature, pH, water/air/soil char­acteristics, presence of toxic or inhibiting substances to the microorganism, sources of energy, sources of carbon, nitrogen, trace compounds, temperature, pH, moisture content. Various types of microorganisms can degrade hydrocarbons: bacteria, yeasts, filamentous fungi, but none of them degrade all of the possible hydrocarbon molecules at the same rate. No need to separate colloids and dispersed solid particles before treatment. More recently, environmental monitoring programmes have, apart from chemical mea­surements in physical compartments, included the determination of contaminant levels in biota, as well as the assessment of various re­sponses of biological/ecological systems. Welcome to BiologyDiscussion! Research and practices have demonstrated that high loads of waste water treated by anaerobic tech­nologies generates low quantities of biological excess sludge with a high treatment efficiency, low capital costs, no oxygen requirements, methane production, low nutrient require­ments. It has been demonstrated that both living and non-living biomass may be utilized in biosorptive processes, as they often exhibit a marked tolerance towards metals and other adverse conditions. Before sharing your knowledge on this site, please read the following pages: 1. Usually, for ensuring the greatest effi­ciency, the ideal range of temperature is 20- 30°C, a pH of 6.5-7.5 or 5.9-9.0 (dependent on the microbial species involved). Sandra S. Batie and David E. Ervin *Address all correspondence to: Sandra S. Batie, Elton R. Smith Professor in Food and Agricultural Policy, Department of Agricultural Economics, Michigan State University, East Lansing, Michigan 48824; Email: Fax: 517/432-1800; Tel: 517/3554705. Biological treatment requires that the ef­fluents be rich in unstable organic matter, so that microbes break up these unstable organic pollutants into stable products like CO2, CO, NH3, CH4, H2S, etc. By considering all these issues, biotechnol­ogy may be regarded as a driving force for in­tegrated environmental protection by environ­mental bioremediation, waste minimization, environmental bio monitoring, bio maintenance. Content Guidelines 2. As a recognition of the strateg ic value of biotechn ology, i n-tegrated plans are formulating and implementing in many . The cultivation of opinions. 1Indian Institute of Technology Guwahati, India, 2UNESCO-IHE Institute for Water Education, The Netherlands. x�Uϱj�0��]�w8��|��� �@��AŖ�Zi)�C�$S ��UL)�t���s��^�]㷠������D��P�����s��m�Q The free metals are further adsorbed or precipitated from solution.The microorganisms responsible for cyanide degradation could be bacteria or fungi, which use cyanide as a source of nitrogen and carbon. 8 0 obj Biotechnologies offer glimpses to solutions to some very difficult This special issue mainly focuses on the various aspects of biotechnology application in the field of environmental biotechnology.

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