Xem 1-19 trên 19 kết quả Waste incinerator
  • Tham khảo sách 'municipal solid waste incineration', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • Tham khảo sách 'municipal solid waste incineration requirements tap23', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • Soil contamination has severely increased over the last decades, mainly due to petroleum hydrocarbons, solvents, pesticides, lead and other heavy metals from industrial wastes and human activities. The critical point regarding contaminated soil monitoring is the intrinsic difficulty in defining fixed monitoring variables and indicators as the establishment of any a priori criterion and threshold for soil quality can be still considered subjective.

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  • Eleven million tonnes of waste are produced yearly by the European pulp and paper industry, of which 70% originates from the production of deinked recycled paper. Wastes are very diverse in composition and consist of rejects, different types of sludges and ashes in mills having on-site incineration treatment. The production of pulp and paper from virgin pulp generates less waste but the waste has similar properties to waste from the production of deinked pulp, although with less inorganics [...].

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  • This is the fourth in the series of volumes I have prepared for Ventus Publishing. There are a number of factors which have contributed to my decision to develop the series. One is that, as I said in the postscript to one of the earlier volumes, I am at a career stage where my time is possibly best spent setting out knowledge and ideas I have built up over the decades for the benefit of younger readers. BookBoon provides a splendid medium for this. That is why I very much hope that this fourth in the series will be by no means the last even...

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  • In the meantime, the electric power sector has measures available today that could lead to mercury reductions of between twenty and eighty per cent. Two of the most important immediate steps include the adoption of the best available control technologies and investments in energy efficiency. Mercury control devices are being introduced successfully at regulated waste incinerators in Canada; however, these technologies are still in the early stages of development for coal-fired power plants.

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  • In addition to the aforementioned direct benefits of using alternative fuels for cement manufacturing, there are numerous life-cycle benefits and avoided costs that are realized. Alternative fuels are essentially the waste products of other industrial or agricultural processes, and due to their sheer volume and potentially their toxicity, they pose a major solid waste management challenge in many countries.

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  • Waste incinerators fall somewhere between the two categories of incidental and deliberate emissions. Similar to a coal plant, they burn a feedstock — in this case garbage — and mercury is released as an incidental emission. The difference is that most of the incidental emissions from waste incinerators are a result of mercury that is deliberately put into products. These may include fluorescent lamps, old batteries, dental office waste, electrical switches or thermostats.

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  • The United States has been in the process of destroying its chemical munitions for over a decade. The U.S. Army, with expertise from numerous bodies including the National Research Council (NRC), originally decided to use incineration as the method of destruction at all storage sites. However, citizens in states with storage sites have opposed incineration on the grounds that it is impossible to determine the exact nature of the effluents, in particular, effluents from the stacks. Nevertheless, the Army has continued to pursue incineration at most sites.

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  • An inventory of all the chemicals including pharmaceuticals was made and a special task force was formed to advise the government on proper disposal system. Many donors were approached to provide financial assistance for the disposal but the response was until 1995 when the Netherlands government offered 1.5 million USD for the whole exercise which involved repacking, recollection in special centers and finally to remove the chemicals including pharmaceuticals to be incinerated in the UK. Rechem Company was contracted to do the job and 400 tons were removed in 1995.

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  • Psychotherapy is “talk” therapy. It involves talking with a mental health professional to treat a mental illness. Psychotherapy can occur one- on-one or in a group. Talk therapy treatment for PTSD usually lasts 6 to 12 weeks, but can take more time. Research shows that support from family and friends can be an important part of therapy. Many types of psychotherapy can help people with PTSD. Some types target the symptoms of PTSD directly. Other therapies focus on social, family, or job-related problems.

    pdf71p quygia123 06-11-2012 19 1   Download

  • In rereading the foreword for the 4th edition, I noted the statement “There does not appear to be much pending for the immediate future.” I was wrong. There have been significant changes in many areas, such as respiratory protection, and dramatic changes in the Clean Air Act which have made it difficult to use incineration as a means of disposing of hospital, medical, and infectious waste. Perhaps the most significant change howev er has been in means of communication, with the explosive growth of the Internet.

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  • If the 20th century could be characterized by the rapid increase in the production and consumption of materials that helped improving the standards of living, then the 21st certainly has many elements to qualify as the century of recycling. Since the duration of life of a number of wastes is very small (roughly 40% have duration of life smaller than one month), there is a vast waste stream that reaches each year to the final recipients creating a serious environmental problem.

    pdf420p orchid_1 25-09-2012 36 16   Download

  • This book has been written to help professionals, students, and lay people identify the increasing number of terms in the fields of environmental engineering and science. More than 8000 terms, acronyms, and abbreviations applying to wastewater, potable water, industrial water treatment, seawater desalination, air pollution, incineration, and hazardous waste remediation have been defined. The most unique feature of this book is the inclusion of more than 3000 trademarks and brand names.

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  • In many European countries incineration is used as an important means of waste disposal in urban areas. The proportion of waste disposal by this route varies across Europe, from 13% in Italy to 53% in Switzerland, with an average value of 20 %. However, in some countries (for example, Portugal, Spain) the use of incineration is not used or is under consiration as a new option for waste disposal. Two main types of pollutants (combustion gases and fly ash) are emitted from incinerators.

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  • The presence of chlorine in alternative fuels (e.g., sewage sludge, municipal solid waste or incineration ash, chlorinated biomass,) has both direct and indirect implications on cement kiln emissions and performance. Methods have been developed to properly manage chlorine and its potential implications – but it is important that these implications be recognized and managed. Trace levels of chlorine in feed materials can lead to the formation of acidic gases such as hydrogen chloride (HCl) and hydrogen fluoride (HF) (WBCSD 2002).

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  • Incineration of other wastes is expensive and leaves a huge residue and adds to air pollution. Pyrolysis is a process of combustion in absence of oxygen or the material burnt under controlled atmosphere of oxygen. It is an alternative to incineration. The gas and liquid thus obtained can be used as fuels. Pyrolysis of carbonaceous wastes like firewood, coconut, palm waste, corn combs, cashew shell, rice husk paddy straw and saw dust, yields charcoal along with products like tar, methyl alcohol, acetic acid, acetone and a fuel gas....

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  • Donor must adhere to the Zanzibar medicine, medical supplies and medical equipment donation guidelines so that donations will address the expressed needs of the Zanzibar and that the date of expiry should not be less than one year unless there is a clear evidence from Zanzibar that there is clear logistics and managerial capacity to store and distribute shorter dated drugs efficiently. The cost of disposal of waste pharmaceuticals Pharmaceuticals are ideally disposed of by high temperatures (i.e. above 1200 o C) incineration.

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  • A number of methods for safe disposal of pharmaceutical waste are described in this document and involve those with minimal risks to public health and the environment taking into consideration the limited resources and equipment available. The adoption of these guidelines by the ministry of health and social welfare, ministry responsible for environment and other relevant ministries, and their practical application, will contribute to the safe and economical elimination of stock piles of unusable pharmaceuticals in Zanzibar.

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