wood products timber and wood waste
An advanced biomass gasification technology with integrated catalytic hot gas cleaning. Part III: Effects of inorganic species in char on the reforming of tars from wood and agricultural wastes
Ngày tải lên :
02/08/2016, 09:36
... samples Three different biomass samples (mallee wood, wheat straw and corn stalk) were chosen as feedstock for the gasification experiments Mallee wood and wheat straw were grown in Western Australia ... plotted and shown in Part I of this series of study The average temperatures in the main gasifier reactor and catalyst chamber are $880 °C and 800 °C respectively The ratios of steam to biomass and ... namely 0.59 kg/kg and 45 L/kg respectively The flow rates of O2 and N2 were accurately controlled by a mass flow controller and a rotary flow meter respectively The mixture of O2 and N2 entered...
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Báo cáo lâm nghiệp: "Evaluation of squared timber and log products in the Hyrcanian Forests of Iran" doc
Ngày tải lên :
07/08/2014, 10:21
... squared timber (b) logs products and (c) log products and squared timber in three site study location during last 20 years (a) Golestan forest Golestan Forests 30 30 Mazandar forests Mazandaran ... mechanized logging operations, the log products increased and squared timber decreased References A M (2005): Wood and timber for future Harvesting and wood industries magazine Tehran, Forest ... between timber products in Sari forestlands and imported timbers Tehran, University of Amirkabir: 90–93 H M., M B., S A (2009): Mechanized logging systems and timber products...
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Continuous Anaerobic Digestion of Food Waste and Paper Waste under Mesophilic-Dry Condition
Ngày tải lên :
05/09/2013, 10:15
... controlled - 168 - MATERIALS AND METHODS Feedstock and seeding source Food waste collected from a school cafeteria, and paper waste comprised of toilet paper, newspaper, and copy paper were shredded ... investigated A mixture of food waste and paper waste, the main sources of municipal solid wastes, was used as a feedstock During the operation, hydraulic retention time (HRT) and the solid concentration ... of total waste produced in 2007 Considering the increasing trend of waste production and the current remaining landfill capacity of 185 million tons, it is expected that the nation’s landfill...
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An experimental study on the thermal valorization of municipal and animal wastes
Ngày tải lên :
05/09/2013, 15:28
... corrosion, slagging and fouling of boilers and agglomeration when used in fluidized beds [12] On the other hand, RDF ash is richer in calcium and silicon, while poorer in phosphorus and alkali, indicating ... masses and sizes and gas flow rates were carried out, in order to check the influence of heat and mass transfer Small masses (20-25mg) of each material, thinly distributed in the crucible and particle ... waste started above 500˚C and extended up to a high temperature, 1300˚C, revealing its high content in tar and hydrocarbons The sample presents multiple decomposition peaks at 609˚C, 1014˚C and...
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Tài liệu METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER ppt
Ngày tải lên :
14/02/2014, 03:20
... stock standards to a volumetric flask To each calibration standard, add a known constant amount of one or more internal standards, and dilute to volume with acetonitrile One of the standards ... using the external standard technique (Section 7.2) or the internal standard technique (Section 7.3) 7.2 External standard calibration procedure 7.2.1 Prepare calibration standards at a minimum ... more stock standards to a volumetric flask and diluting to volume with acetonitrile One of the external standards should be at a concentration near, but above, the MDL (Table 1) and the other...
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Tài liệu METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER doc
Ngày tải lên :
14/02/2014, 03:20
... bottle Store at 4°C and protect from light 6.6.5 Prepare fresh standards daily 6.7 Secondary dilution standards—Using stock standard solutions, prepare secondary dilution standards in reagent ... rinse with tap and distilled water, and dry at 105°C before use 5.1.2 5.2 Septum—Teflon-faced silicone (Pierce #12722 or equivalent) Detergent wash, rinse with tap and distilled water and dry at ... mesh) or equivalent Stock standard solutions—Stock standard solutions may be prepared from pure standard materials or purchased as certified solutions Prepare stock standard solutions in reagent...
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Tài liệu MEAT AND POULTRY PRODUCTS HAZARDS AND CONTROL GUIDE pdf
Ngày tải lên :
21/02/2014, 01:20
... produce and release into the food product D-3 Foods associated with illness include: meat and meat products; poultry and egg products; egg, tuna, ham, chicken, potato, and macaroni salads; sandwich ... associated with illness include: raw and cooked meats, poultry, eggs (and exterior of egg shells), raw milk and dairy products, fish, shrimp, frog legs, yeast, sauces and salad dressing, etc Staphylococcus ... not treated immediately and properly D-2 Foods associated with disease include: meat products, such as sausages, seafood products, improperly canned foods, and vegetable products Clostridium perfringens...
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APPENDIX A TO PART 136 METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER pot
Ngày tải lên :
05/03/2014, 21:20
... 51, and 86 101 103 96 61 and 98 63 65, 83, 85, 98, and 100 96 61 and 98 83 85 98 62, 64, and 100 97 99, 117, and 119 117 119 and 121 127 83, 85, and 129 112 63, 65, and 114 75 77 130 95, 97, and ... and 206 97 83, 85, 99, 132, and 134 75 77 106 63 and 65 173 171, 175, 250, 252, 254, and 256 168 83, 85, 131, 133, and 166 164 129, 131, and 166 92 91 112 114 106 91 146 148 and 113 146 148 and ... (Section 6.7) and 10.0 µL of the internal standard spiking solution (Section 7.3.2) through the valve bore, then close the valve The surrogate and internal standards may be mixed and added as...
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APPENDIX A TO PART 136 METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER: METHOD 604—PHENOLS docx
Ngày tải lên :
05/03/2014, 21:20
... more stock standards to a volumetric flask To each calibration standard, add a known constant amount of one or more internal standards, and dilute to volume with 2-propanol One of the standards should ... external standard technique (Section 7.2) or the internal standard technique (Section 7.3) 7.2 External standard calibration procedure for FIDGC 7.2.1 7.2.2 7.3 Prepare calibration standards at ... or more stock standards to a volumetric flask and diluting to volume with 2-propanol One of the external standards should be at a concentration near, but above, the MDL (Table 1) and the other...
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APPENDIX A TO PART 136 METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER: METHOD 605—BENZIDINES pdf
Ngày tải lên :
14/03/2014, 20:20
... stock standards to a volumetric flask To each calibration standard, add a known constant amount of one or more internal standards, and dilute to volume with mobile phase One of the standards ... the external standard technique (Section 7.2) or the internal standard technique (Section 7.3) 7.2 External standard calibration procedure 7.2.1 7.2.2 7.3 Prepare calibration standards at a minimum ... more stock standards to a volumetric flask and diluting to volume with mobile phase One of the external standards should be at a concentration near, but above, the MDL (Table 1) and the other...
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APPENDIX A TO PART 136 METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER: METHOD 611—HALOETHERS potx
Ngày tải lên :
14/03/2014, 20:20
... more stock standards to a volumetric flask To each calibration standard, add a known constant amount of one or more internal standards, and dilute to volume with hexane One of the standards should ... using the external standard technique (Section 7.2) or the internal standard technique (Section 7.3) 7.2 External standard calibration procedure 7.2.1 Prepare calibration standards at a minimum ... or more stock standards to a volumetric flask and diluting to volume with hexane One of the external standards should be at a concentration near, but above, the MDL (Table 1) and the other concentrations...
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Research Opportunities for Managing the Department of Energy''''s Transuranic and Mixed Wastes potx
Ngày tải lên :
15/03/2014, 15:20
... managing and disposing of transuranic and mixed wastes DOE’s inventory of transuranic and mixed wastes (TM wastes) includes about 155,000 cubic meters of waste stored on some 30 DOE sites and another ... understand and enforce The EPA defines hazardous waste, specifies treatment standards that must be met prior to disposal, and specifies standards for construction and operation of hazardous waste ... enhance safety and reduce costs and uncertainties in DOE’s management and disposal of its TM wastes.16 TRU waste disposal in the Waste Isolation Pilot Plant will require handling and characterizing...
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APPENDIX A TO PART 136 METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER: METHOD 607—NITROSAMINES docx
Ngày tải lên :
22/03/2014, 14:20
... materials Nitrosamine reference standards and standard solutions should be handled and prepared in a ventilated glove box within a properly ventilated room Apparatus and Materials 5.1 Sampling equipment, ... more stock standards to a volumetric flask To each calibration standard, add a known constant amount of one or more internal standards, and dilute to volume with methanol One of the standards should ... activity 6.11 Stock standard solutions (1.00 µg/µL)—Stock standard solutions can be prepared from pure standard materials or purchased as certified solutions 6.11.1 Prepare stock standard solutions...
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Pulp and Paper Waste Minimization Technology Review pdf
Ngày tải lên :
24/03/2014, 05:20
... Objectives › Eliminate liquid waste › Generate landfillable solids › Generate high-quality water for reuse in upstream processes › Design Objectives › › › › › Minimize capital and operating costs Minimize ... manpower requirements Safe, simple, and reliable system operation Maximum flexibility (turndown capability) Accommodate frequent start-ups, shut-downs, and periods of stand-by operation Water Recovery ... Evaporator Train Enhanced Force Circulation and CRP System BFR Process › Developed by Champion International › Process recovers filtrates from the bleach plant and re-uses them in pulp washing › Dissolved...
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METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER doc
Ngày tải lên :
28/03/2014, 19:20
... the following: anthracene and phenanthrene; chrysene and benzo(a)anthracene; and benzo(b)fluoranthene and benzo(k)fluoranthene The gas chromatographic retention time and mass spectra for these ... each calibration standard according to Section 13 and tabulate the area of the primary characteristic m/z (Tables and 5) against concentration for each compound and internal standard Calculate ... calibration standard or standard mixture, add a known constant amount of one or more internal standards, and dilute to volume with acetone One of the calibration standards should be at a concentration...
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APPENDIX A TO PART 136 METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER ppt
Ngày tải lên :
28/03/2014, 20:20
... 4.3.1.5 Waste Good technique includes minimizing contaminated waste Plastic bag liners should be used in waste cans Janitors must be trained in the safe handling of waste 4.3.1.6 Disposal of wastes—2,3,7,8-TCDD ... washing of hands and forearms after each manipulation and before breaks (coffee, lunch, and shift) 4.3.1.4 Confinement—Isolated work area, posted with signs, segregated glassware and tools, plastic-backed ... capable of handling high-level radioactive wastes or extremely toxic wastes Liquids should be allowed to evaporate in a good hood and in a disposable container Residues may then be handled as above...
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Báo cáo khoa học nông nghiệp " Treating and recycling waste and soils from fish ponds in the Mekong Delta to improve livelihood and reduce water pollution" pdf
Ngày tải lên :
21/06/2014, 04:20
... workshops and labs Possible topics are; Soil properties relevant to waste application Waste remediation processes in soils Types of waste applied to soils, particularly organic waste and waste water ... nutrient requirements Principles and methods of waste application Environmental impacts of waste application on land Case studies in land application of wastes Possible lab and workshop sessions: Soil ... Current farmers practice in wastewater and solid waste treatment is documented and used as a benchmark for research and extension 1.2 Settling pond and use of liquid waste for rice cultivation;...
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MUNICIPAL AND INDUSTRIAL WASTE DISPOSAL docx
Ngày tải lên :
28/06/2014, 10:20
... be important tools for the detection and mapping of landfills, trenches, buried wastes and drums, or other underground structures 4 Municipal and Industrial Waste Disposal Geophysical Method Measured ... Lan01, Lan02 and Lan04 are located inside the landfill area, Lan14 and Lan15 are partially located inside the landfill, Lan09, Lan10 and Lan11 are closed the stream E where there are no waste deposits, ... inside and outside the landfill using a 150 MHz antenna and NS orientation covering approximately the entire length of the landfill and nearby outdoor areas The 2D electrical resistivity model and...
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Removal of heavy metals from wastewater using agricultural and industrial wastes as adsorbents
Ngày tải lên :
20/07/2014, 12:47
... agricultural waste by -products, which are in many cases also pollution sources Relevant literature Reviews of some agricultural and industrial adsorbents for the removal of heavy metals from wastewater ... – as a soil stabilizer and structural concrete admixture [23] chemical characterization and the primary use of low cost adsorbents such as rice husk and fly ash (see Figs and 2) Experimental works ... known concentrations of the metal ions required and to make synthetic wastewater All the experiments were carried out in duplicate and the relative standard deviation was less than 5% In general...
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