Xem 1-14 trên 14 kết quả Food wastewater
  • Wastewater from food processing enterprises is a strong organic-polluted wastewater. It contains mostly organic compounds, which fits to be treated by using biotechnology. The best technology for treatment is anaerobic. Deodorization is one of the most important points of this technology since anaerobic process generated some odor compounds. The main reason which causes bad smell in wastewater was a present of compounds which contains N and S.

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  • Environmental managers, engineers, and scientists who have had experience with food industry waste management problems have noted the need for a book that is comprehensive in its scope, directly applicable to daily waste management problems of the industry, and widely acceptable by practicing environmental professionals and educators.

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  • This book pioneers life-saving innovations and assists in the combat against world hunger and food shortages that threaten human essentials, such as water and energy supply. Floods, droughts, fires, storms, climate change, global warming and greenhouse gas emissions can be devastating, altering the environment and, ultimately, the production of foods.

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  • There is increasing political and environmental pressure on industry to clean up the water which it uses in many processes, and to re-use this water where possible. This cleaning is done using specially-developed industrial membranes and this book covers the types and design of membranes, how they work and in which industries they are used. Special attention is paid to the textile, food/ beverage, pharmaceutical, oil and pulp and paper industries where such membranes are in regular use.

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  • The new century has begun with some of the lowest grain prices in recent memory. From an economist’s vantage point, this is a sure sign of excess production capacity. However, there may be more here than meets the economist’s eye. Natural scientists, many of whom have contributed to this volume, see something very different. They see reason to be concerned about such issues as the overplowing of land and the overpumping of aquifers. They look at sustainable production and see a worrisome fraction of world food output being produced with the unsustainable use of land and water....

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  • Research Reports IWMI’s mission is to improve the management of land and water resources for food, livelihoods and environment. In serving this mission, IWMI concentrates on the integration of policies, technologies and management systems to achieve workable solutions to real problems—practical, relevant results in the field of irrigation and water and land resources.

    pdf39p nhatro75 12-07-2012 36 7   Download

  • The past century has seen a tremendous expansion in the number of synthetic chemicals employed by humankind as materials, drugs, preservatives for foods and other products, pesticides, cleaning agents, and even weapons of war. An estimated 64,000 chemicals are currently in use commercially, with 5 billion tons being produced annually in the world. Some 4000 chemicals are used as medicinals and at least 1200 more as household products. An estimated 700 new chemicals are synthesized each year.

    pdf324p 951864273 11-05-2012 43 17   Download

  • Global agriculture is now at the crossroads. The Green Revolution of the last century that gave many developing countries such as India a breathing spell, enabling them to adjust the growth of their human populations better to the supporting capacity of their ecosystems, is now in a state of fatigue. Average growth rates in food production as well as factor productivity in terms of yield per unit of mineral fertilizer (NPK) are both declining.

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  • Seafish, in collaboration with a panel of representatives from various sections of the trade and including Government Ministries and Environmental Health Organisations, is drafting comprehensive guidance for the facilities, practices and management of businesses handling bivalve molluscs. In response to the need of industry to comply with the requirements of food safety legislation, particularly in respect of the facilities that must be provided, these particular Guidelines for facilities and equipment have been produced....

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  • This text is written to all chemical engineering students who are participating in courses about membrane processes and membrane technology.

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  • Acetaldehyde, Acrylamide, Aflatoxin, Allyl isothiocyanate, Aniline, Benzaldehyde, Benzene, Benzo(a)pyrene, Benzofuran, Benzyl acetate, Caffeic acid, Catechol, Coumarin, 1,2,5,6-dibenz(a)anthracene, Estragole, Ethyl alcohol, Ethyl acrylate, Ethyl benzene, Ethyl carbamate, Furan and furan derivatives, Furfural, Heterocyclic amines, Hydrazines Hydrogen peroxide, Hydroquinone, d-limonene, 4-methylcatechol, Methyl eugenol, Psoralens, Quercetin glycosides, Safrole While this may seem frightening, the levels of these chemicals and pesticide residues found in food are too low to affect heal...

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  • Alberta Environment (AENV), as the systems coordinator for environmental outcomes, will be required to develop environmental policy and standards that support outcomes for the environment and maintain a delivery role for certain activities and sectors. Alberta Environment will collaborate with many departments to integrate the variety of policies and roles that contribute to environmental outcomes. This includes ministries, boards and agencies that regulate activities that affect the environment (e.g.

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  • Ongoing conflict, displacement, breakdown in social and public services coupled with recurrent droughts and flooding have significantly affected food security and livelihoods and therefore nutritional status. However, there is a growing body of evidence that other underlying causes also contribute significantly to high and persistent undernutrition.

    pdf38p nhamnhiqa 01-03-2013 16 1   Download

  • Strikes and kicks can be very swift and dangerous because of the two horny claws on each foot. Striking with the forelimbs is often performed as part of a rearing jumping action while on the move. With the hind leg the camel can kick to its own shoulder in swinging sidewards and kick forcefully rearwards. They are able to deliver a strong sweeping kick while in sternal recumbency. The camel is also capable of delivering quite a forceful, backward kick with the front leg. Wild camels in open country will run away while they can, but may be very...

    pdf68p conduongdinhmenh 07-05-2013 14 3   Download

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