aerobic process in wastewater treatment plant

... Trang 7Figure 2 The Process of wastewater treatment in Di An plant Wastewater from drainage households in Di An city follows the main pipeline flowing to the pumping station Then, wastewater is led ... domestic wastewater treatment plant located in Binh An Ward, Di An, Binh Duong was put into operation in May 2013 However, the study on the hazard and risk of Di An domestic wastewater treatment plant ... outlined as follows Practical survey method: Observing, taking pictures, and operating Di An Wastewater Treatment Plant (Wastewater Treatment Area) to record the potential hazard and essential information

Ngày tải lên: 28/06/2021, 08:58

... Technology She received her B.S in Industrial Engineering from North Carolina State University, Master of Engineering in Mechanical Engineering and Master of Business Administration from the University ... Pollution of receiving water courses following upset of wastewater treatment process by industrial discharges Adequate pretreatment of industrial wastewater; efficient monitoring and enforcement ... are attempting to include more energy intensive treatment processes over time which will allow wastewater facilities to meet stringent water quality standards These processes will also involve additional

Ngày tải lên: 05/09/2013, 15:28

... centrally involved in all aspects of planning The EPA, in its Monitoring Water Quality: Intensive Stream Bioassay,7 points out that the following issues should be considered in planning the sampling ... inputs Alkalinity in streams is influenced by rocks and soils, salts, certain plant activities, and certain industrial wastewater discharges Total alkalinity is determined by measuring the amount ... determination in determining stream pollution The biotic index is based on two principles: A large dumping of organic waste into a stream tends to restrict the variety of organisms at a certain point

Ngày tải lên: 11/08/2014, 10:22

... pumping Intakes used in springs are normally implanted into the water-bearing strata They are then covered with clean, washed rock and sealed, usually with clay The outlet is piped into a spring ... and riv-ers are maintained at a quality suitable for swimming, water skiing, boating, and drinking water Whether the surface water supply is taken from a river, stream, lake, spring, impoundment, ... water in a well is drawn down, the water near the well drains or flows into it The water will drain further back from the top of the water table into the well as draw-down increases Radius of influence

Ngày tải lên: 11/08/2014, 10:22

... pertinent written information enhances the learning process. It should also be pointed out that even though the model shown in Figure 18.1 does not include all unit processes currently used in wastewater ... the pond is 3 to 5 ft The process occurring in the pond involves bacteria decomposing the organics in the wastewater (aerobically and anaerobically) and algae using the products of the ... Grit heavy inorganic solids such as sand, gravel, egg shells, or metal filings. Industrial wastewater wastes associated with indus- trial manufacturing processes. Infiltration/inflow extraneous

Ngày tải lên: 11/08/2014, 10:22

... wear in plant machinery In addition,the removal of various materials at the beginning of the treatment train saves valuable space withinthe treatment plant Two of the processes used in preliminary ... Channel Velocity Calculations The initial stage of treatment in the wastewater treatment process (following collection and influentpumping) is preliminary treatment Process selection normally is ... 39TOPICS • Treatment Pond Parameters • Determining Pond Area (Inches) • Determining Pond Volume (Acre-Feet) • Determining Flow Rate (Acre-Feet/Day) • Determining Flow Rate (Acre-Inches/Day) • Treatment

Ngày tải lên: 11/08/2014, 13:22

... for performing waste- water testing is contained in Standard Methods for the Examination of Water and Wastewater, APHA, AWWA WEF, 1995. In this chapter, we focus on standard water/wastewater ... treatment plants are sized to meet both current and future needs. No matter the size of the treatment plant, some space or area within the plant is designated as the “lab” area (ranging from being ... the container. To calculate the flow in gpm, insert the recorded information into Equation 33.1: (33.1) Example 33.1 Problem The flow from a faucet fills up the gallon container in 48 seconds.

Ngày tải lên: 11/08/2014, 13:22

... water level in the container rises 20 inches in 30 seconds, what is the rate of flow into the container (in gpm)? 56 Convert a flow of 1,8 25, 000 gpd to cfm 57 A 6-inch diameter pipeline has water ... Water/Wastewater Treatment Plant Operators 6. Convert 3/4 into a decimal. 7. Convert 1/6 into a decimal. 8. Convert 3/8 into a decimal. 9. Convert .13 into a fraction. 10. Convert .9 into a ... for Water/ Wastewater Treatment Plant. .. to a 3 . 5- acre wastewater pond is 120,000 gpd The influent BOD concentration is 170 mg/L What is the organic loading to the pond (in lbs BOD/day/ac)?

Ngày tải lên: 11/08/2014, 13:22

... Basin Volume Calculations Detention Time Determining Dry Chemical Feeder Setting (lb/d) Determining Chemical Solution Feeder Setting (gpd)Determining Chemical Solution Feeder Setting (mL/min)Determining ... has a definite and fixed meaning Themath terminology and definitions section will aid in understanding the material in this book MATH TERMINOLOGY AND DEFINITIONS • An integer,or an integral number,is ... methodology used in making mathematical calculations includes: • Making a drawing of the information in the problem, if appropriate • Placing the given data on the drawing • Asking, “What is the

Ngày tải lên: 11/08/2014, 13:22

... columns is in operation for the effluent treatment, the remaining columns are undergoing regeneration The use of other adsorbents in treating textile effluents is continually being investigated ... the operating line can be constructed on the equilibrium curve (Figure 10) The operating line is the straight line of slope L/G, joining the terminal conditions v, Y Figure 10 Operating diagram ... difficulties included obtaining uniform flow of solid particles and fluid without channelling or local irregularities, as well as those of introducing and removing the solid continuously into the

Ngày tải lên: 25/08/2016, 19:14

... chlorination in wastewater treatment Bureau of Safe Drinking Water, Department of Environmental Protection Wastewater Treatment Plant Operator Training 1-1 PURPOSES OF DISINFECTION Basic Principles ... Equipment Maintenance Bureau of Safe Drinking Water, Department of Environmental Protection Wastewater Treatment Plant Operator Training iii Unit – Disinfection and Chlorination Principles Learning Objectives ... (ClO2) Chlorine Requirements A Chlorine Demand B Chlorine Residual C Establishing Dosages D Breakpoint Chlorination E Factors Influencing Disinfection Application Point Unit 2—Chlorination Process

Ngày tải lên: 14/01/2018, 07:18

... (manufacturing execution: workflow, order tracking, resources), cấp xí nghiệp (enterprise: Production planning, orders, purchase) cấp quản trị (administration: Planning, Statistics, Finances) nhằm ... bỏ chất dinh dưỡng sinh học 3.2.1 Quá trình chất dinh dưỡng sinh học Xem xét bốn thành phần: nước, carbon, oxy hòa tan sinh khối dị dưỡng Đây ví dụ đơn giản xử lý nước thải phương pháp sinh học ... TCXDVN 320:2004 Josep Carrasco Martínez (2006), Benchmarking the STAR Controller using Matlab, Dept of Industrial Electrical Engineering and Automation, Lund University 10 Bộ Xây dựng (2001),

Ngày tải lên: 15/09/2019, 10:49

... part in the main project in Biotechnology Lab in National Chung Hsing University I would like to continue doing this research further when I have chance to study further 46 REFERENCES Brindle, ... methodology and inspiring me in whole period of internship time They are always helpful, friendly and very kind with me Without their guidance, I cannot accomplish this thesis Finally, I would ... diffuses through the membrane to a biofilm and shaping on the membrane in the outside of the surface Biofilms procedures are of bringing the interest in environmental science and biotechnology due

Ngày tải lên: 11/04/2021, 07:41

... 1 Emission points from wastewater treatment process The black arrows ( ) indicate the various points in the treatment process where toxic fumes escape into the air 20 The Monitoring Report: ... residents fought, and continue to fight, against contamination by polychlorinated biphenyls (PCBs).2 In Nigeria, the Ogoni people fought, and continue to fight, against devastating oil spills by Shell ... Weinberg and Kevin A Reilly, Understanding Environmental Law (Matthew Bender 1998) 127, glossary, “Non-Point Source: Diffuse pollution sources (i.e., without a single point of origin or not introduced

Ngày tải lên: 20/10/2022, 05:09

... is prepared in three main steps: raw material treatment (alkylation and bleaching to remove lignin in fibers), the sol-gel process including dispersing cellulose into solution (forming sol system), ... from pineapple leaves; (d) Pineapple fiber 10 Figure 2.3 (a) Putting the pineapple leaves into the stripping machine, (b) harvesting the bundles from the stripping machine and (c) the pineapple ... also used in the aerospace industry as an adsorbent Because their features have enabled aerogel in becoming a promising material in numerous fields of application including building insulation,

Ngày tải lên: 10/04/2023, 22:18

... is prepared in three main steps: raw material treatment (alkylation and bleaching to remove lignin in fibers), the sol- gel process including dispersing cellulose into solution (forming sol system), ... pollutants comprising soluble dyes and insoluble oils are the main contaminants in wastewater [1,2] The amount of these pollutants has been significantly increasing due to an increase in industrial ... also used in the aerospace industry as an adsorbent Because their features have enabled aerogel in becoming a promising material in numerous fields of application including building insulation,

Ngày tải lên: 31/07/2024, 09:16

... water supply information. In operating a waterworks facility, waterworks oper- ator duties include: 1. Maintaining distribution system 2. Collecting or analyzing water samples 3. Operating chemicals ... graduated cylinder with solution. 2. Insert pump suction line into graduated cylinder. 3. Run pump 5 min at highest setting (100%). 4. Divide the mL of liquid withdrawn by 5 min to determine pumping rate ... a disinfectant; iron and manganese control by prechlorination can be as simple as adding a new chlorine feed point in a facility already feeding chlorine. It also provides a predisinfecting step

Ngày tải lên: 11/08/2014, 10:22

... flocculated. Electroflotation is widely used in the mining industries and is finding increasing applications in wastewater treatment. The uniform and tiny sized bubbles-generated electrically give ... found to be the best near neutral pH using aluminum electrode. When iron electrode was used in textile printing and dying wastewater treatment, alkaline in uent was G. Chen / Separation and Purification ... [68], oily wastewater or oil–water emulsion [61,65,66,92,93], spent cooling lubricant [94], wastewater from coke-production [95], mining wastewater [67], groundwater [60], food processing wastewater...

Ngày tải lên: 16/03/2014, 00:07

... provided indicating: – elevation of site; – contour lines and topography; – site boundary; – existing buildings and structures including existing wastewater treatment plant; – all services including ... from existing wastewater treatment plants The loading data and the operational results of the existing wastewater treatment plants contain valuable information. As a minimum the following data ... requirements on pumping installations at wastewater treatment plants, provided initially as part 2 "Pumping installations for wastewater treatment plants", see EN 752-6 "Drain and sewer...

Ngày tải lên: 16/03/2014, 18:11

... Therefore, improvements in settling and dewatering due to increased particle sizes should correlate to an increase in the bound exocellular polymer content involved in the aggregation process. 3.4. ... terms of upgrading or increasing the capacity of the treatment plant. The settling properties of sludge are determined primarily by the conditions prevalent in the aeration basin. The most notably ... wastewater treatment plant in USA and from Stoke Bardolph municipal wastewater treatment plant in Nottingham, UK. After collection, the samples were returned to the laboratory (within 1 hour) and...

Ngày tải lên: 27/06/2014, 13:20