introduction of mechanical biological treatment

... and drug tariff as of 2016, both of which are defined by the Ministry of Health, Labour and Welfare at an exchange rate of USD = JPY 110 as of May 2016, as reported by the Bank of Japan The planned ... percentage of drug costs calculated by each of the four digits of the WHO-ATC code [25] was obtained (Table 4) The costs of L01 (antineoplastic agents) accounted roughly for more than 50% of drug ... Department of Health and Welfare Services, National Institute of Public Health, 2-3-6 Minami, Wako, Saitama 351-0197, Japan Full list of author information is available at the end of the article

Ngày tải lên: 06/08/2020, 03:13

... of thermal... estimation of various frequencies Use the listing of C values shown below to determine the mode of vibration Note that C is a factor determined by the end conditions of ... mode of. .. conditions of the equipment Related Calculations For a thorough analysis of a plant or its components, evaluate the performance of heat-transfer equipment as a function of ... nonhalogenated materials, will be phased out by the end of the decade because of environmental considerations (destruction of the ozone layer). Use of nonhalogenated refrigerants is expected to increase

Ngày tải lên: 09/11/2013, 04:15

... kg) of water per pound (kg) of dry air Since the water content of the air is a function of the partial pressures, (0.622) (0.5067) / [(2 ϫ 0.5067)] ϭ 0.673 lb of water per lb of dry ... maintenance requirements of the cooling towers and their auxiliaries. The final choice of the type of cooling system to use is based on an economic study which factors in the reliability of the system along ... protection of steam condensers is most often used to reduce galvanic corrosion of ferrous waterboxes coupled to copper-alloy tubesheets and tubes. Sys- tems are also used to mitigate attack of both

Ngày tải lên: 09/11/2013, 04:15

... cu m) of natural gas; 1300 cu ft of air (36.8 cu m) per gal (0.003785 cu m) of No. 2 fuel oil; 1450 cu ft of air (41 cu m) per gal of No. 5 fuel oil; 1500 cu ft of air (42.5 cu m) per gal of No. ... combustion of 1 lb (0.45 kg) of coal ϭ sum of nitrogen and oxygen required ϭ 8.4228 ϩ 2.5444 ϭ 10.9672 lb (4.975 kg) of air per pound (kilogram) of coal burned. 3. Compute the weight of the products of ... and increases the weight of the products of combustion per pound (kilogram) of coal burned. Therefore, the weight of the products of combustion is the sum of the weight of the combustion products

Ngày tải lên: 17/12/2013, 11:15

... lb of carbon burned per lb of fuel burned ϭ C ϭ RCr; Cr ϭ lb of combustible per lb of refuse; R ϭ lb of refuse per lb of fuel; H2, N2, C, O2, S ϭ lb of each element per lb of ... Developing the performance characteristics of each piece of equipment as a function of load is the key to determining the mode of operation and loading of each type of steam producer. For best results, ... understanding of the performance char- acteristics of each piece of equipment as a function of load. In this plant, the HRSG generates saturated steam at 400 lb/in 2 (gage) (2756 kPa) from the exhaust of

Ngày tải lên: 17/12/2013, 11:15

... percent improvement vs number of stages of extraction, Fig 6, to observe the effect of additional heaters A plot of this type shows the decreasing gains... stages of feedwater heating To ... the above calculation with this rule of thumb shows reasonably good agreement. 3. Determine the heater volume With a capacity of W lb /h of water, the volume of a direct-contact or open-type heater ... the number of tubes per pass Assume the heater has only one pass, and compute the number of tubes required. Once the number of tubes is known, a decision can be made about the number of passes

Ngày tải lên: 17/12/2013, 11:15

... instead of a single longlife diesel engine Thus, the choice of a small engine is often based on other considerations, such as ease and convenience of replacement, instead of just hours of ... average heat of vaporization of 1000 Btu / lb (2330 kJ / kg) of steam, this exhaust gas flow could generate 8,880,000 /1000 ϭ 8880 lb/h (4032 kg/h) of steam. If oil with a heating value of 145,000 ... have a Purpa efficiency of greater than 42.5 percent. The utility study indicated a favorable payout period and internal rate of return both for retrofits of pre-Title-24 office buildings and for

Ngày tải lên: 17/12/2013, 11:15

... Terms of Use as given at the website. PUMPS AND PUMPING SYSTEMS PUMPS AND PUMPING SYSTEMS 7.9 The point of crossing of the two-pump curve and the system-head curve is at the required value of ... because it was so planned. But the point of crossing of the system-head curve and the single-pump curve is of particular interest. The single pump, instead of delivering 40 gal/min (7.4 L/s) at ... suitable factor of safety The value of this factor of safety can vary from a low of 5 percent of the required flow to a high of 50 percent or more, depending on the application Typical

Ngày tải lên: 17/12/2013, 11:15

... function of the number of tubes Since the tubeside product is inversely proportional to the 0.2 power of the number of tubes,... is Hm ϭ (weight of solid melted, lb)(heat of fusion of ... dimensionless Number of tubes per pass (or in parallel)... tube of these dimensions has 5.8 ft2 of area per linear foot (1.8 m2 / lin m) of tube To compute the linear feet L of finned tubing ... subject to the Terms of Use as given at the website. HEAT TRANSFER AND HEAT EXCHANGE [...]... the length of finned tubing required The total area of a finned tube is the sum of the tube and

Ngày tải lên: 17/12/2013, 11:15

... kg) of water ice in 24 h, the rate of heat removal is a ton (3.516 kW) of refrigeration. Since the heat of melting (sublimation) of 1 lb (0.454 kg) of water ice is 144 Btu (151.9 kJ), a ton of ... are the work of Norman R Sparks, Professor and Head, Department of Mechanical Engineering, The Pennsylvania State University, and Charles C DiLio, Associate Professor of Mechanical ... is the work of Norman R Sparks, Professor and Head, Department of Mechanical Engineering, The Pennsylvania State University, and Charles C DiLio, Associate Professor of Mechanical

Ngày tải lên: 17/12/2013, 11:15

... of Use as given at the website. WASTEWATER TREATMENT AND CONTROL WASTEWATER TREATMENT AND CONTROL 13.5 This represents the increase of volatile suspended solids (organics) in the reactor. Of ... type of treatment process used. A low value of F:M can result in the growth of filamentous organisms and is the most common operational problem in the activated sludge process. A prolifer- ation of ... ‘‘bulking sludge.’’ One method of controlling the growth of filamentous organisms is through the use of a separate compartment as the initial contact zone of a biological reactor where primary

Ngày tải lên: 25/12/2013, 23:18

... per foot of length Enter Table 20 at the flow depth of 0.2 ft (0.06 m), and project to the depth of depression of the gutter of 4 in (102 mm)... Since the equivalent length of the pipe ... in terms of percentage of total flow, for each part of the piping system In assuming a flow quantity note that (a) the loss of head... DESIGN 14.25 TABLE 12 Coefficient of Runoff for Various ... effect of changed imperviousness Planting a lawn on a large part of. .. Table 6 lists values of numbers between 0 and 100 to the 0.85 power TABLE 5 Values of r for 1000 ft (304.8 m) of Pipe

Ngày tải lên: 25/12/2013, 23:18

... shows the building roof and machinery room roof Indicate on the sketch the major dimensions of the roof and machinery room 2 Compute the roof area to be drained Two roof areas must be drained, ... machinery-room roof and the main roof The respective areas are: machinery room roof area ϭ 50 ϫ 100 ϭ 5000 ft2 (464.5 m2); main roof... owners to install ULF units DESIGN OF ROOF AND YARD RAINWATER ... for this roof for a maximum rainfall of 4 in / h (102 mm / h) What size... consideration when the roof leaders are sized Do this by computing the area of the wall facing the main roof and adding

Ngày tải lên: 25/12/2013, 23:18

... work of Jerome F Mueller, P.E of Mueller Engineering. .. most of ce and industrial structures throughout the United States Much of the Western world appears to be considering adoption of ... rate of 3 ft3 / min (0.085 m3 / min) of outside air... condensation of each pound (kg) of steam While high-pressure steam may be used under specialized circumstances, the majority of ... /min G ϭ mass of refrigerant of largest system, lb For partially enclosed equipment rooms: 0.5 FA ϭ G (26) where FA ϭ ventilation-free opening area, ft 2 G ϭ mass of refrigerant of largest system,

Ngày tải lên: 25/12/2013, 23:19

... 12 yr, a tax rate ( ␶ ) of 0.4840, a tax credit factor (TC) of 0.25, a system life of 20 yr, an operating cost fraction (OMPI) of 0.0250, an initial fuel cost (P f 0 ) of $3.11/MBtu ($3.11/ 947.9 ... the Terms of Use as given at the website SOLAR ENERGY SOLAR ENERGY 17.35 month of the heating season is divided by the summation of the heat... average recovery of 40 percent of 1200 ... minimum of 1 ft3 (0.30 m3) of dark-colored thermal storage material per square foot (meter) of collector for masonry walls or 0.5 ft3 (0.15 m3) of water per square foot (meter) of collector

Ngày tải lên: 25/12/2013, 23:19

... the Advanced Biological Treatment Brief, in this series Table below outlines the key categories of biological treatment Table 3: Biological Treatment options Options Biological Treatment I II ... 2.1 The Aim of MBT Processes MBT is a residual waste treatment process that involves both mechanical and biological treatment processes The first MBT plants were developed with the aim of reducing ... some systems only biological treatment is required to treat all the residual MSW before disposal to landfill Whilst a variety of treatment and mechanical separation options are offered, these need...

Ngày tải lên: 18/03/2014, 01:21

... standard as mechanical biological treatment 1.3 Introduction of mechanical biological treatment 1.3.1 Definition of mechanical biological treatment Mechanical biological treatment (MBT) of municipal ... 1.3.2 Technology of mechanical and biological treatment Mechanical biological treatment comprises several mechanical and biological process steps and combination thereof (figure 5) Mechanical separati ... based on mechanical biological treatment method that was applied for long time in the world However, this system has not been considered about the theoretical of mechanical biological treatment...

Ngày tải lên: 09/01/2015, 08:53

... efficiency of the US mechanical engineering Trade performance of the US mechanical engineering Output and efficiency of the Japanese mechanical engineering Trade performance of the Japanese mechanical ... Table of contents An introduction to Mechanical Engineering 1.1 Structure of the report and the team 1.2 Understanding the project and its objectives 1.3 Specifics of Mechanical Engineering 1 EU Mechanical ... distribution of Mechanical Engineering production in the EU-27 Figure 2.3: Distribution of output by major subsectors of Mechanical Engineering Figure 2.4: Gross value added of total manufacturing and Mechanical...

Ngày tải lên: 01/04/2014, 00:20

... maximum rate of metabolism However, under these conditions, the settling characteristic of biomass is poor because of their dispersed O2 O2 DISPOSITION OF ASSIMILATED BOD BIOLOGICAL TREATMENT OF WASTEWATER ... 10 with Eqs 13 and 14 Effect of Temperature One of the significant parameters influencing biological reaction rates is the temperature In most of the biological treatment processes, temperature ... Possible kinds of interactions between two hypothetical toxicants, A and B © 2006 by Taylor & Francis Group, LLC BIOLOGICAL TREATMENT OF WASTEWATER solid, liquid or gaseous The application of biological...

Ngày tải lên: 10/08/2014, 20:20

... Chapter Effects of NH3 Plasma Treatment on Mechanical Properties of Porous Low-k Thin Films 71 4.1 Effects of NH3 Plasma Treatment on the Mechanical Properties of ZIRKON LK2200 ... 52 2.4.3 NH3 Plasma Treatment 53 2.4.4 Characterization of the Improvement of Mechanical Properties of Porous Low-k Thin Film after NH3 Plasma Treatment 54 References ... value of the ILD layer Upon plasma treatment, the mechanical properties of the low-k dielectric are also improved [59] NH3 plasma treatment provides an efficient method for improving the quality of...

Ngày tải lên: 09/10/2015, 11:18