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Author :
Publisher :
ISBN 13 :
Total Pages : 7 pages
Book Rating : 4.:/5 (797 download)
Download or read book Hidrocarbonetos policíclicos aromáticos em resíduos sólidos industriais written by and published by . This book was released on 2003 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Manoela Alano Vieira
Publisher :
ISBN 13 :
Total Pages : 490 pages
Book Rating : 4.:/5 (817 download)
Download or read book Análise de hidrocarbonetos policíclicos aromáticos (HPAs) nas etapas do processamento da erva-mate (Ilex paraguariensis) e caracterização química dos resíduos da trituração para o desenvolvimento de produto written by Manoela Alano Vieira and published by . This book was released on 2009 with total page 490 pages. Available in PDF, EPUB and Kindle. Book excerpt: A erva-mate (Ilex paraguariensis) é uma espécie nativa da Argentina, Brasil e Paraguai e tem importante papel social, econômico e cultural. Apesar dos vários estudos comprovando os benefícios do consumo de erva-mate para a saúde humana, a tecnologia utilizada na sua industrialização ainda é rudimentar, com necessidades de implementação de processos de beneficiamento menos poluentes, que resultem na diversificação e garantia de qualidade dos produtos. O presente estudo objetiva analisar os hidrocarbonetos policíclicos aromáticos # HPAs em amostras coletadas nas etapas do processamento da erva-mate com vistas à otimização do processo produtivo, visando a geração de produtos de qualidade superior. Os HPAs foram determinados por cromatografia líquida de alta eficiência com detecção UVvísivel. Foi encontrada uma grande variação dos teores totais de HPAs nas amostras analisadas, sendo que todas as amostras expostas a altas temperaturas apresentaram concentrações mais elevadas de HPAs, comparativamente às amostras não tratadas. Os resultados indicam que o tratamento atualmente utilizado durante a produção de erva-mate pode levar a um aumento dos HPAs no produto final devido às altas temperaturas utilizadas no processamento, além da contaminação pela combustão da madeira e do ambiente de produção da matéria-prima. Adicionalmente, objetivou-se aumentar o espectro de produtos derivados de erva-mate presentes no mercado, por meio da investigação do potencial tecnológico do resíduo gerado na etapa de trituração da erva-mate (pó de mate) como matéria prima no desenvolvimento de novos produtos (balas de mate). O pó de mate foi avaliado quanto à composição química, teor de polifenóis totais, metilxantinas, taninos, perfil de polifenóis, óleos essenciais e atividade antioxidante. A composição química e propriedades físicas de balas contendo diferentes concentrações de pó de mate também foram determinadas. A aceitabilidade global e intenção de compra das balas foram avaliadas por uma escala facial, de cinco pontos e de atitude, de cinco pontos, respectivamente. O pó de mate apresentou teores significativos de fibra alimentar, cinzas totais, metilxantinas (principalmente a cafeína) e polifenóis (principalmente o ácido 4,5 dicafeoilquínico). Em relação aos óleos essenciais, o pó de mate apresentou baixo rendimento (0,01 %); sendo identificado o cariofileno como composto majoritário. A suplementação de balas com diferentes concentrações de pó de mate provocou um aumento significativo no conteúdo de polifenóis, fibras, metilxantinas e minerais além de uma maior capacidade antioxidante das balas. Os testes sensoriais indicaram que as balas de mate foram aceitas e aprovadas quanto à intenção de compra.
Download or read book The Holy Bible, Containing the Old and New Testament, Translated Out of the Original Tongues and with the Former Translations Compared and Revised written by and published by . This book was released on 1804 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : SONIA CLAUDIA DO N. DE QUEIROZ Queiroz
Publisher :
ISBN 13 :
Total Pages : 15 pages
Book Rating : 4.:/5 (693 download)
Download or read book Métodos de extração de hidrocarbonetos policíclicos aromáticos em amostra de solo, sedimento e lodo written by SONIA CLAUDIA DO N. DE QUEIROZ Queiroz and published by . This book was released on 2009 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Adriana DþAgostinho
Publisher :
ISBN 13 :
Total Pages : 119 pages
Book Rating : 4.:/5 (699 download)
Download or read book Estudo preliminar do comportamento de hidrocarbonetos policíclicos aromáticos (HPAs) em solo por isotermas de sorção written by Adriana DþAgostinho and published by . This book was released on 2004 with total page 119 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Michael H. Engel
Publisher : Springer Science & Business Media
ISBN 13 : 1461528909
Total Pages : 862 pages
Book Rating : 4.4/5 (615 download)
Download or read book Organic Geochemistry written by Michael H. Engel and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 862 pages. Available in PDF, EPUB and Kindle. Book excerpt: As this is the first general textbook for the field published in over twenty years, the editors have taken great care to make sure coverage is comprehensive. Diagenesis of organic matter, kerogens, exploration for fossil fuels, and many other subjects are discussed in detail to provide faculty and students with a thorough introduction to organic geochemistry.
Author : Michael J. Kennish
Publisher : CRC Press
ISBN 13 : 1351422847
Total Pages : 544 pages
Book Rating : 4.3/5 (514 download)
Download or read book Practical Handbook of Estuarine and Marine Pollution written by Michael J. Kennish and published by CRC Press. This book was released on 2017-12-14 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt: This extensive handbook presents up-to-date coverage of significant developments in estuarine and marine pollution. Multidisciplinary in approach, Practical Handbook of Estuarine and Marine Pollution is an essential resource for anyone involved in the study or management of coastal and marine pollution problems. The book examines in detail anthropogenic effects on estuarine and marine ecosystems from local, regional, and global perspectives. A truly international collection of data is presented in an organized framework on a wide range of subject areas, including eutrophication, organic loading, oil pollution, polycyclic aromatic hydrocarbons, halogenated hydrocarbons, trace metals, radioactive waste, dredging and dredged-spoil disposal, and effects of electric generating stations. Whether you are a student, a scientist, a policy maker, or an administrator, you no longer need to spend countless hours rounding up information and data - Practical Handbook of Estuarine and Marine Pollution has already done it for you.
Author : J.W. Moore
Publisher : Springer Science & Business Media
ISBN 13 : 1461395380
Total Pages : 252 pages
Book Rating : 4.4/5 (613 download)
Download or read book Organic Chemicals in Natural Waters written by J.W. Moore and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: This series is dedicated to serving the growing community of scholars and practitioners concerned with the principles and applications of environ mental management. Each volume is a thorough treatment of a specific topic of importance for proper management practices. A fundamental objective of these books is to help the reader discern and implement man's stewardship of our environment and the world's renewable re sources. For we must strive to understand the relationship between man and nature, act to bring harmony to it, and nurture an environment that is both stable and productive. These objectives have often eluded us because the pursuit of other individual and societal goals has diverted us from a course of living in balance with the environment. At times, therefore, the environmental manager may have to exert restrictive control, which is usually best applied to man, not nature. Attempts to alter or harness nature have often failed or backfired, as exemplified by the results of imprudent use of herbicides, fertilizers, water, and other agents. Each book in this series will shed light on the fundamental and applied aspects of environmental management. It is hoped that each will help solve a practical and serious environmental problem.
Author : Deborah V Chapman
Publisher : CRC Press
ISBN 13 : 0419215905
Total Pages : 658 pages
Book Rating : 4.4/5 (192 download)
Download or read book Water Quality Assessments written by Deborah V Chapman and published by CRC Press. This book was released on 1996-08-22 with total page 658 pages. Available in PDF, EPUB and Kindle. Book excerpt: This guidebook, now thoroughly updated and revised in its second edition, gives comprehensive advice on the designing and setting up of monitoring programmes for the purpose of providing valid data for water quality assessments in all types of freshwater bodies. It is clearly and concisely written in order to provide the essential information for all agencies and individuals responsible for the water quality.
Author : J. W. Hylin
Publisher : Springer
ISBN 13 : 3662382849
Total Pages : 286 pages
Book Rating : 4.6/5 (623 download)
Download or read book Bulletin of Environmental Contamination and Toxicology written by J. W. Hylin and published by Springer. This book was released on 2014-11-14 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : G.Allen Burton
Publisher : CRC Press
ISBN 13 : 1351093452
Total Pages : 362 pages
Book Rating : 4.3/5 (51 download)
Download or read book Sediment Toxicity Assessment written by G.Allen Burton and published by CRC Press. This book was released on 2018-05-04 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sediment Toxicity Assessment provides the latest information regarding how to evaluate sediment contamination and its effects on aquatic ecosystems. It presents an integrated ecosystem approach by detailing effective assessment methods, considerations, and effects to each major component of marine and freshwater systems, including the benthos, plankton, and fish communities. The approaches emphasize defining habitat conditions (physical and chemical), toxicant bioavailability, factors influencing toxicity (lab and field), biomarkers, acute and chronic toxicity, study design, collection methods, and EPA management strategies. The book also explains how to integrate the assessments. Sediment Toxicity Assessment will be useful to to all environmental managers, environmental scientists, ecotoxicologists, environmental regulators, aquatic ecologists, environmental contractors and consultants, instructors, students, conservation commissions, and environmental activist organizations.
Author : United States. Environmental Protection Agency. Office of Research and Development
Publisher :
ISBN 13 :
Total Pages : 192 pages
Book Rating : 4.:/5 (319 download)
Download or read book Environmental Regulations and Technology written by United States. Environmental Protection Agency. Office of Research and Development and published by . This book was released on 1999 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Mustafa Ali Mohd
Publisher : BoD – Books on Demand
ISBN 13 : 9535102982
Total Pages : 474 pages
Book Rating : 4.5/5 (351 download)
Download or read book Advanced Gas Chromatography written by Mustafa Ali Mohd and published by BoD – Books on Demand. This book was released on 2012-03-21 with total page 474 pages. Available in PDF, EPUB and Kindle. Book excerpt: Progress in agricultural, biomedical and industrial applications' is a compilation of recent advances and developments in gas chromatography and its applications. The chapters cover various aspects of applications ranging from basic biological, biomedical applications to industrial applications. Book chapters analyze new developments in chromatographic columns, microextraction techniques, derivatisation techniques and pyrolysis techniques. The book also includes several aspects of basic chromatography techniques and is suitable for both young and advanced chromatographers. It includes some new developments in chromatography such as multidimensional chromatography, inverse chromatography and some discussions on two-dimensional chromatography. The topics covered include analysis of volatiles, toxicants, indoor air, petroleum hydrocarbons, organometallic compounds and natural products. The chapters were written by experts from various fields and clearly assisted by simple diagrams and tables. This book is highly recommended for chemists as well as non-chemists working in gas chromatography.
Author : Joseph Tarradellas
Publisher : CRC Press
ISBN 13 : 9781566701341
Total Pages : 406 pages
Book Rating : 4.7/5 (13 download)
Download or read book Soil Ecotoxicology written by Joseph Tarradellas and published by CRC Press. This book was released on 1996-12-23 with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt: Soils are receptacles for a wide range of hazardous chemicals generated by human activities. Whether or not this contamination is deliberate, accurate toxicity assessments are important for health and economic reasons. Soil Ecotoxicology discusses the sources, fate, and transport of hazardous chemicals in soils. The fate (biodegradation and modeling) and the potential impacts of pesticides on soil ecosystems are emphasized, and methodologies for performing toxicity assessments are provided.
Author : Mu. Naushad
Publisher : CRC Press
ISBN 13 : 1351678264
Total Pages : 386 pages
Book Rating : 4.3/5 (516 download)
Download or read book Life Cycle Assessment of Wastewater Treatment written by Mu. Naushad and published by CRC Press. This book was released on 2018-03-15 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: Life Cycle Assessment of Wastewater Treatment addresses in detail the required in-depth life cycle assessment of wastewater treatment. This is to meet the special demands placed upon wastewater treatment processes, due to both the limited quantity and often low quality of water supplies. Wastewater management clearly plays a central role in achieving future water security in a world where water stress is expected to increase. Life cycle assessment (LCA) can be used as a tool to evaluate the environmental impacts associated with wastewater treatment and potential improvement options. This unique volume will focus on the analysis of wastewater treatment plants (WWTPs), using a life cycle assessment (LCA) approach. Key Features: Focuses on the analysis of wastewater treatment plants using a life cycle assessment (LCA) approach Discusses unconventional water sources such as recycled wastewater, brackish groundwater and desalinated seawater Explains life cycle assessment in detail, which has become one of the reference methods used to assess the environmental performance of processes over their complete life cycle, from raw material extraction, infrastructure construction and operation to final dismantling Explores a technique (LCA) that is becoming increasingly popular amongst researchers in the water treatment field nowadays because of its holistic approach Based on the real life experiences, the subject of wastewater is presented in simple terms and made accessible to anyone willing to learn and experiment
Author : Helena Pereira
Publisher : Elsevier
ISBN 13 : 0080476864
Total Pages : 356 pages
Book Rating : 4.0/5 (84 download)
Download or read book Cork: Biology, Production and Uses written by Helena Pereira and published by Elsevier. This book was released on 2011-10-13 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive book describes cork as a natural product, as an industrial raw-materials, and as a wine bottle closure. From its formation in the outer bark of the cork oak tree to the properties that are of relevance to its use, cork is presented and explained including its physical and mechanical properties. The industrial processing of cork from post-harvest procedures to the production of cork agglomerates and composites is described. Intended as a reference book, this is the ideal compilation of scientific knowledge on state-of-the-art cork production and use. - Presents comprehensive coverage from cork formation to post-harvest procedures - Explains the physical properties, mechanical properties and quality of cork - Addresses topics of interest for those in food science, agriculture and forestry
Author : Christopher Blair Crawford
Publisher : Elsevier
ISBN 13 : 0128094060
Total Pages : 336 pages
Book Rating : 4.1/5 (28 download)
Download or read book Microplastic Pollutants written by Christopher Blair Crawford and published by Elsevier. This book was released on 2016-11-29 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: Microplastic Pollutants introduces the reader to the growing problem of microplastic pollution in the aquatic environment and is the first ever book dedicated exclusively to the subject of microplastics. Importantly, this timely full-colour illustrated multidisciplinary book highlights the very recent realization that microplastics may transport toxic chemicals into food chains around the world. Microplastic pollutants is currently an important topic in both industry and academia, as well as among legislative bodies, and research in this area is gaining considerable attention from both the worldwide media and scientific community on a rapidly increasing scale. Ultimately, this book provides an excellent source of reference and information on microplastics for scientists, engineers, students, industry, policy makers and citizens alike.
