biological process design wastewater treatment

Long term effects of zinc oxide nanoparticles on wastewater treatment in a membrane bioreactor (MBR) process

Long term effects of zinc oxide nanoparticles on wastewater treatment in a membrane bioreactor (MBR) process

... wastewater treatment plants are not designed to remove nanoparticles from wastewater stream, and the effect of nanoparticles on the treatment efficiencies of wastewater process ... potential adverse impact on wastewater treatment plants MBR systems, which have been widely used since 1990s for municipal wastewater treatment, are traditionally not designed to cope with the ... of microbial aggregates in biological wastewater treatment systems: a review Biotechnol Adv 28, 882–894 140 Sheng, Z., Liu, Y., 2011 Effects of silver nanoparticles on wastewater biofilms Water

Ngày tải lên: 10/11/2015, 11:07

144 379 0
Design models for adsorption systems in wastewater treatment

Design models for adsorption systems in wastewater treatment

... models to the design of adsorption systems as a method of purifying wastewaters is considered The design of batch, fixed-bed, pulsedbed, moving-bed and fluidised-bed systems for effluent treatment ... development described previously 2o is the implementation of biological regenera- Design models for adsorption systems in wastewater treatment 729 tion Certain adsorbents, such as peat and wood, ... contacting and the regeneration system Several methods of designing adsorption systems for wastewater treatment have been considered The design of the reactivation unit is presented and the technique

Ngày tải lên: 25/08/2016, 19:14

15 313 0
Investigation on a combination of chemical and biological methods for the treatment of pulp and paper mill wastewater in vientiane

Investigation on a combination of chemical and biological methods for the treatment of pulp and paper mill wastewater in vientiane

... A COMBINATION OF CHEMICAL AND BIOLOGICAL METHODS FOR THE TREATMENT OF PULP AND PAPER MILL WASTEWATER IN VIENTIANE Major: Waste Management and Contaminated Site Treatment MASTER THESIS SUPERVISOR: ... methods commonly using to treat with the wastewater 15 1.3.1 Physicochemical treatment 15 1.3.2 Membrane filtration 19 1.3.3 Biological treatment 21 CHAPTER II EXPERIMENT ... University of Science The physicochemical and biological methods for the treatment of wastewater were investigated The results shown that, the pulp and paper mill wastewater can be pretreated by the reduction

Ngày tải lên: 25/09/2020, 15:32

60 32 0
Investigation on a combination of chemical and biological methods for the treatment of pulp and paper mill wastewater in vientiane

Investigation on a combination of chemical and biological methods for the treatment of pulp and paper mill wastewater in vientiane

... A COMBINATION OF CHEMICAL AND BIOLOGICAL METHODS FOR THE TREATMENT OF PULP AND PAPER MILL WASTEWATER IN VIENTIANE Major: Waste Management and Contaminated Site Treatment MASTER THESIS SUPERVISOR: ... methods commonly using to treat with the wastewater 15 1.3.1 Physicochemical treatment 15 1.3.2 Membrane filtration 19 1.3.3 Biological treatment 21 CHAPTER II EXPERIMENT ... University of Science The physicochemical and biological methods for the treatment of wastewater were investigated The results shown that, the pulp and paper mill wastewater can be pretreated by the reduction

Ngày tải lên: 23/12/2021, 21:32

60 17 0
(LUẬN văn THẠC sĩ) investigation on a combination of chemical and biological methods for the treatment of pulp and paper mill wastewater in vientiane

(LUẬN văn THẠC sĩ) investigation on a combination of chemical and biological methods for the treatment of pulp and paper mill wastewater in vientiane

... A COMBINATION OF CHEMICAL AND BIOLOGICAL METHODS FOR THE TREATMENT OF PULP AND PAPER MILL WASTEWATER IN VIENTIANE Major: Waste Management and Contaminated Site Treatment MASTER THESIS SUPERVISOR: ... methods commonly using to treat with the wastewater 15 1.3.1 Physicochemical treatment 15 1.3.2 Membrane filtration 19 1.3.3 Biological treatment 21 CHAPTER II EXPERIMENT ... University of Science The physicochemical and biological methods for the treatment of wastewater were investigated The results shown that, the pulp and paper mill wastewater can be pretreated by the reduction

Ngày tải lên: 13/07/2022, 16:09

60 8 0
Sludge treatment and Disposal  Biological Wastewater Treatment Series

Sludge treatment and Disposal Biological Wastewater Treatment Series

... Sludge Treatment and Disposal Biological Wastewater Treatment Series The Biological Wastewater Treatment series is based on the book Biological Wastewater Treatment in Warm Climate ... technology of biological wastewater treatment Titles in the Biological Wastewater Treatment series are: Volume 1: Wastewater Characteristics, Treatment and Disposal Volume 2: Basic Principles of Wastewater ... will be one or more suitable treatment processes Biological wastewater treatment is very much influenced by climate Temperature plays a decisive role in some treatment processes, especially the

Ngày tải lên: 05/12/2022, 10:57

256 8 0
Designing biological wastewater treatment processes based on activated sludge model concept

Designing biological wastewater treatment processes based on activated sludge model concept

... DISSERATATION DESIGNING BIOLOGICAL WASTEWATER TREATMENT PROCESSES BASED ON ACTIVATED SLUDGE MODEL CONCEPT NGUYEN DUONG QUANG CHANH 2017 DESIGNING BIOLOGICAL WASTEWATER TREATMENT PROCESSES BASED ... for Mechanistic Modelling Biological Wastewater Treatment Process 2.1 Unrealistic influent wastewater of combined ... municipal wastewater is highly fluctuated and inconsistent along with time, a considerable number of water samples must be analyzed This fact leads a challenge for planning and designing wastewater treatment

Ngày tải lên: 20/04/2023, 01:08

14 1 0
Tiểu luận các quá trình xử lý nitơ và photpho trong nước thải bài báo (research article) investigating phosphorus loads removed by chemical and biological methods in municipal wastewater treatment plants in poland

Tiểu luận các quá trình xử lý nitơ và photpho trong nước thải bài báo (research article) investigating phosphorus loads removed by chemical and biological methods in municipal wastewater treatment plants in poland

... TẮT*) THÔNG TIN Từ khóa: Phosphorus removal: loại bỏ photpho Biological wastewater treatment: xử lý nước thải sinh học Wastewater treatment plants: nhà máy xử lý nước thải Coagulation: sự đông ... (Research Article): Investigating phosphorus loads removed by chemical and biological methods in municipal wastewater treatment plants in Poland (Nghiên cứu lượng photpho được loại bỏ bằng phương

Ngày tải lên: 24/11/2024, 21:09

21 1 0
Multi-criteria Evaluation of Wastewater Treatment Scenarios for Small Towns in Developing Countries - Case Study of Toan Thang Town in Vietnam

Multi-criteria Evaluation of Wastewater Treatment Scenarios for Small Towns in Developing Countries - Case Study of Toan Thang Town in Vietnam

... selection process of potential wastewater treatment scenarios The design flow (factor 1) and influent characteristics (factor 2) as well as the required effluent standard (factor 11) of treated wastewater ... concurrently for rainwater, wastewater and livestock wastewater disposal There is typically no proper wastewater collection or treatment system in small towns Most of the town’s wastewater runs down ... impact assessment, multi-criteria evaluation, wastewater treatment system INTRODUCTION Significant development has been made worldwide in wastewater treatment for urban areas compared to rural

Ngày tải lên: 05/09/2013, 10:15

23 780 0
Integration of energy and environmental systems in wastewater treatment plants

Integration of energy and environmental systems in wastewater treatment plants

... Southeast wastewater treatment plant processes an average of 3 million gallons of wastewater daily. The main step in the treatment process is the separation of solids, which accounts for about 2% of wastewater. ... and disposal, and digester heating. Wastewater treatment managers are attempting to include more energy intensive treatment processes over time which will allow wastewater facilities to meet stringent ... diffusers generate smaller bubbles for aeration processes; improves oxygen transfer to wastewater 1 to 7 Staging of treatment capacity Treatment systems designed and installed to operate efficiently

Ngày tải lên: 05/09/2013, 15:28

10 636 1
reducing production of excess biomass during wastewater treatment

reducing production of excess biomass during wastewater treatment

... biomass production on these aspects are also discussed BIOLOGICAL PROCESSES WITHIN WASTEWATER TREATMENT INTRODUCTION Biological wastewater treatment involves the transformation of dissolved and ... wasted from wastewater treatment processes will reduce the ®nal disposal requirements CONCLUSIONS There is a complex combination of processes which contribute to biomass production These processes ... aerobic biological wastewater treatment include aeration requirements, population dynamics and sludge settling properties, the consequences of redu- Secondary sludges contain inert solids and biological

Ngày tải lên: 11/03/2014, 23:04

14 423 0
CHƯƠNG 18 WASTEWATER TREATMENT

CHƯƠNG 18 WASTEWATER TREATMENT

... of treatment or they can be used in conjunction with other forms of wastewater treatment (i.e., other treatment processes followed by a pond or a pond followed by other treatment processes) ... in secondary treatment (biological treatment) need both phosphorus and ammonia 18. 9 SECONDARY TREATMENT. .. activated sludge process, sequentially follow normal primary treatment The ... treatment In this section, we present a brief overview of the secondary treatment process followed by a detailed discussion of wastewater treatment ponds (used primarily in smaller treatment

Ngày tải lên: 13/05/2014, 13:26

131 261 0
Flocculation dynamics of synthetic and activated sludge in wastewater treatment pptx

Flocculation dynamics of synthetic and activated sludge in wastewater treatment pptx

... flocculant nature of the biomass [2]. The activated process always consists of two liquid stream unit processes-a biological conversion of pollutant in a biological reactor and solids separation, usually ... with mixed liquor from the Blacksburg, Virginia, municipal wastewater treatment plant in USA and from Stoke Bardolph municipal wastewater treatment plant in Nottingham, UK. After collection, the ... activated sludge process. Bioflocculation of activated sludge determines how the sludge will dewater, flow, and settle, all of which are obvious concerns in the operation of wastewater treatment plants.

Ngày tải lên: 27/06/2014, 13:20

11 331 0
Market analysis and developing a competitive marketing strategy for selling medical solid waste  wastewater treatment equipment to customers in vietnam

Market analysis and developing a competitive marketing strategy for selling medical solid waste wastewater treatment equipment to customers in vietnam

... waste treatment equipment buying process 82 4.2 Segmenting medical waste treatment markets 86 4.3 Analyzing medical waste treatment industry in Vietnam 88 4.3.1 Analyzing medical solid waste treatment ... state 81 TABLE 11 Medical waste treatment equipment buying process in state-owned healthcare establishments TABLE 12 83 Medical waste treatment equipment buying process in private medical facilities ... solid waste treatment industry structure analysis 88 TABLE 14 Medical wastewater treatment industry structure analysis 91 TABLE 15 Evaluating market segments in the medical solid waste treatment

Ngày tải lên: 23/07/2014, 03:36

254 591 2
ENCYCLOPEDIA OF ENVIRONMENTAL SCIENCE AND ENGINEERING - SMALL FLOW WASTEWATER TREATMENT TECHNOLOGY FOR DOMESTIC AND SPECIAL APPLICATIONS docx

ENCYCLOPEDIA OF ENVIRONMENTAL SCIENCE AND ENGINEERING - SMALL FLOW WASTEWATER TREATMENT TECHNOLOGY FOR DOMESTIC AND SPECIAL APPLICATIONS docx

... earlier package plants were designed as extended aeration plants Currently available package plants utilize many treatment processes Some of these processes are listed below Biological Extended aeration ... improperly designed Regardless of the type of fuel used, however, burning of human wastes may result in emission of odor from the venting stack Chemical and Biological Treatment Plants Wastewater treatment ... Distribution Lateral Fill SMALL FLOW WASTEWATER TREATMENT TECHNOLOGY FOR DOMESTIC AND SPECIAL APPLICATIONS C019_002_r03.indd 1085 Backfill 1086 SMALL FLOW WASTEWATER TREATMENT TECHNOLOGY FOR DOMESTIC

Ngày tải lên: 10/08/2014, 20:20

12 439 0
Handbook of Water and Wastewater Treatment Plant Operations - Chapter 1 ppsx

Handbook of Water and Wastewater Treatment Plant Operations - Chapter 1 ppsx

... offer courses in water and wastewater treatment plant design and operation This text is not about the planning, designing, or construction of water and wastewater treatment facilities While these ... text Water and wastewater treatment is about mitigating the problems mentioned above However, treatment operations are about much more To handle today’s problems, water and wastewater treatment system ... wastewater produced? Wastewater is treated via the multiple-barrier treatment train, which is the combination of unit processes used in the system The primary mission of the wastewater treatment plant

Ngày tải lên: 11/08/2014, 10:22

39 617 0
Handbook of Water and Wastewater Treatment Plant Operations - Chapter 7 pps

Handbook of Water and Wastewater Treatment Plant Operations - Chapter 7 pps

... clearwell, which is the end of the treatment plant unit process train. Treatment plants using preozonation, as well as postozonation and granular activated carbon adsorption processes, require almost ... application of an Archimedes’ screw lift pumps as applied in wastewater treatment. FIGURE 7.1 Archimedes screw lift pumps as applied in wastewater treatment. (From Spellman, F.R. and Drinan, J., ... the water and 186 Handbook of Water and Wastewater Treatment Plant Operations Motor Dry... in water and wastewater treatment would exceed the limitations of this

Ngày tải lên: 11/08/2014, 10:22

64 683 0
Handbook of Water and Wastewater Treatment Plant Operations - Chapter 8 pps

Handbook of Water and Wastewater Treatment Plant Operations - Chapter 8 pps

... Handbook of Water and Wastewater Treatment Plant Operations Manufacturing Process Wastewater 60 PSIG Reclaimed wastewater Wastewater Treatment Process 30 PSIG Public water ... categories: process lines and service lines. Process lines convey the flow medium used in a manufacturing process or a treatment process (such as fluid flow in water and wastewater treatment). For ... water and wastewater applications include clay (wastewater) , concrete (water and wastewater) , asbestos-cement pipe (water and wastewater) , and plastic (water and wastewater)

Ngày tải lên: 11/08/2014, 10:22

48 855 0
Tài liệu THE VALUE OF IMPROVED PUBLIC SERVICES: AN APPLICATION OF THE CHOICE EXPERIMENT METHOD TO ESTIMATE THE VALUE OF IMPROVED WASTEWATER TREATMENT INFRASTRUCTURE IN INDIA docx

Tài liệu THE VALUE OF IMPROVED PUBLIC SERVICES: AN APPLICATION OF THE CHOICE EXPERIMENT METHOD TO ESTIMATE THE VALUE OF IMPROVED WASTEWATER TREATMENT INFRASTRUCTURE IN INDIA docx

... with the wastewater treatment programme attributes. 3.2 Survey Design and Administration The first step in choice experiment design is to define the attributes of the wastewater treatment ... the wastewater generated by the municipality with primary treatment. This would significantly reduce the discharge of untreated wastewater in the Ganga. Low *, High Quality treated wastewater ... wastewater Current capacity of the STP can only treat wastewater with primary treatment technology. The quality of wastewater treated with primary treatment is low, and when used for agri/aquaculture...

Ngày tải lên: 18/02/2014, 01:20

40 473 1
Handbook of Food Process Design docx

Handbook of Food Process Design docx

... modify existing ones. Process design refers to the design of food processes and manufacturing methods, while plant design refers to the design of the whole processing plant. The processing of food ... Crystallization Process Design 648 John J. Fitzpatrick Introduction 648 Crystallization 651 Crystallization Equipment 660 Process Design of Batch Cooling Crystallizers 663 Process Design of Continuous ... 332 References 333 13 Pasteurisation Process Design 335 Gary Tucker Introduction 335 HACCP in Pasteurisation Process Design 336 Processing Options 337 Pasteurisation Design Principles 339 Empirical...

Ngày tải lên: 08/03/2014, 17:20

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