Biological wastewater treatment

2020 ◽  
Author(s):  
Boris Ksenofontov
Keyword(s):  
Wastewater Treatment ◽  
Industrial Wastewater ◽  
Biological Treatment ◽  
Membrane Bioreactors ◽  
Federal State ◽  
Training Manual ◽  
Biological Wastewater Treatment ◽  
Depth Study ◽  
Sewage Purification ◽  
State Educational

The training manual sets out the theoretical and practical foundations of biological wastewater treatment in both natural and artificial conditions. For in-depth study of the fundamentals of biological wastewater treatment is quite detailed sections on the basics of Microbiology. Much attention is paid to choosing the best technologies of biological wastewater treatment with effective methods of nutrient removal. In the expanded version of the methods of biological purification of wastewater using membrane bioreactors. Are extensively explored domestic and foreign experience of biological treatment of municipal and industrial wastewater. Meets the requirements of Federal state educational standards of higher education of the last generation. Intended for students of bachelor, master, PhD students, teachers and professionals interested in the methods of sewage purification, and it is recommended to study for the enlarged group of specialties and areas 20.00.00 "Technosphere safety and environmental engineering".

Intensification of Biological Treatment of Industrial Wastewater in Aerotanks Using Adsorbents

2018 ◽  
Vol 22 (6) ◽  
pp. 20-25 ◽  
Author(s):  
I.Yu. Shlekova ◽  
A.I. Knysh
Keyword(s):  
Wastewater Treatment ◽  
Industrial Wastewater ◽  
Biological Treatment ◽  
Oxygen Demand ◽  
Industrial Wastes ◽  
Biological Wastewater Treatment ◽  
Purification Efficiency ◽  
Production Wastes ◽  
Coke Fraction ◽  
Biological Treatment System

The use of industrial wastes as alternative adsorbents for wastewater treatment is proposed. The effective concentration of the adsorbent was determined experimentally. The results of a study of the intensification of biological wastewater treatment using activated carbon and a pulverized coke fraction are presented. The efficiency of treatment in terms of "chemical oxygen demand" during the intake of highly concentrated sewage sludge with the use of an alternative adsorbent averaged 85 %. In the biosorption system, the conservation of the species diversity of the biocenosis of activated sludge and its purifying ability was noted. In the biological treatment system, purification efficiency was recorded on average 16 % less and destabilization of the system as a whole. The carried out researches prove expediency of use of adsorbents, including production wastes, for intensification of biological wastewater treatment in aero tanks.

scholarly journals The biological treatment of laboratory SBR model with biofilm

2018 ◽  
Vol 251 ◽  
pp. 03029 ◽  
Author(s):  
Tran Ha Quan ◽  
Elena Gogina ◽  
Tran Van Quang
Keyword(s):  
Organic Matter ◽  
Wastewater Treatment ◽  
Industrial Wastewater ◽  
Biological Treatment ◽  
Sequencing Batch Reactor ◽  
Wastewater Treatment Plants ◽  
Batch Reactor ◽  
Biological Wastewater Treatment ◽  
Main Task ◽  
The World

All around the world, activated sludge is the classical and traditional biological wastewater treatment for municipal and industrial wastewater. With the development of social and technology, the concentration of pollutants has been increased, so the performance of the old wastewater treatment plants not guaranteed. Therefore, upgrade and reconstruction wastewater treatment system becomes the main task of protection environment, especially in the developing countries. Application biofilms in process biological wastewater treatment is one of technology method and it has many advantages. In the Sequencing Batch Reactor, the Mutag BioChip 25TM provides to the bacteria an optimal habitat at the surface area, increasing rate of Utilization of Substrates 20 – 30% and efficiency of organic matter removal from 10 – 15%.

Modeling Mass Transfer in Biological Wastewater Treatment Processes

1986 ◽  
Vol 18 (6) ◽  
pp. 35-45 ◽  
Author(s):  
John C. Kissel
Keyword(s):  
Mass Transfer ◽  
Computer Simulation ◽  
Wastewater Treatment ◽  
Biological Treatment ◽  
Process Models ◽  
High Rate ◽  
Biological Wastewater Treatment ◽  
Trickling Filter ◽  
Treatment Processes ◽  
Individual Effects

Parameters characterizing intrasolid, liquid/solid, and gas/liquid mass transport phenomena in biological treatment systems are required if mass transfer is to be included in process models. Estimates of such parameters are presented and discussed. Collective and individual effects of mass transfer resistances are illustrated by computer simulation of a high-rate trickling filter.

scholarly journals Fractal analysis of biological wastewater treatment efficiency

2018 ◽  
Vol 251 ◽  
pp. 06005 ◽  
Author(s):  
Nazira Dzhumagulova ◽  
Ilya Svetkov ◽  
Vladimir Smetanin ◽  
Nguyen Dinh Dap
Keyword(s):  
Wastewater Treatment ◽  
Comparative Analysis ◽  
Activated Sludge ◽  
Biological Treatment ◽  
Sewage Treatment ◽  
Quantitative Composition ◽  
Biological Wastewater Treatment ◽  
Treatment Facility ◽  
Wastewater Purification ◽  
Biological Methods

The purpose of the present research was to enhance the efficiency of biological wastewater treatment through the direct impact on the metabolism of activated sludge. In the course of research, species and quantitative composition of biological community of activated sludge in aeration tanks during wastewater purification process was studied. Comparative analysis was carried out for linen production wastewater and household sewage. Possible application of biological treatment in linen production was evaluated. Proposals were developed on creation of controllable biological treatment facility. In this paper, biological methods are shown to be efficient for household sewage treatment. Comparative analysis was carried out for linen production wastewater and household sewage. Possible application of biological treatment in linen production was evaluated. Proposals were developed on creation of controllable biological treatment facility.

Review on biological wastewater treatment and resources recovery: attached and suspended growth systems

2019 ◽  
Vol 80 (11) ◽  
pp. 2013-2026 ◽  
Author(s):  
Lakshmi Machineni
Keyword(s):  
Wastewater Treatment ◽  
Biological Treatment ◽  
Film Growth ◽  
Value Added ◽  
Microbial Consortia ◽  
Biological Wastewater Treatment ◽  
Suspended Growth ◽  
Growth System ◽  
Pure Cultures ◽  
Biological Methods

Abstract The treatment of wastewater for reuse is a potential solution to meet ever increasing urban, industrial, agricultural, and environmental demands across the world, where clean water availability is scarce. There are several traditional wastewater treatment processes that offer varying degrees of effectiveness in addition to presenting environmental, economic, and social disadvantages. Development of promising and inexpensive technologies to provide the reusable water in needful amounts using wastewaters as a cheap source of key nutrients and organic matter is required. Wastewater treatment by biological methods is becoming more important in the light of recovering value-added plant nutrients, heavy metals, biosolids, and bioenergy resources. Different types of solid contaminants in effluents can be removed simultaneously by pure cultures or mixed microbial consortia. Based on the structural organization of microbial biomass, biological treatment systems are classified into two types: dispersed growth system and attached growth system. Biological treatment methods associated with fixed-film growth have been recognized as highly effective and more energy efficient than suspended growth systems. This review discusses the recent breakthroughs in advanced biological wastewater treatment using both the systems, and also focuses on key energetic resources recovery driven by biological technologies.

Evaluation of the Effectiveness of the Use of Enzyme Complexes in the Process of Biological Treatment of Wastewater from Pulp and Paper Enterprises

2018 ◽  
Vol 22 (6) ◽  
pp. 15-19
Author(s):  
E.H. Sakaeva ◽  
L.V. Rudakova
Keyword(s):  
Waste Water ◽  
Wastewater Treatment ◽  
Beneficial Effect ◽  
Activated Sludge ◽  
Biological Treatment ◽  
Experimental Studies ◽  
Pulp And Paper ◽  
Technological Scheme ◽  
Biological Wastewater Treatment ◽  
Enzyme Complexes

The results of experimental studies on the evaluation of the possibility of using enzyme complexes in the biological treatment of waste water from pulp and paper enterprises are presented. The use of enzyme complexes will increase the efficiency of wastewater treatment by COD and BOD, and will also have a beneficial effect on the hydrochemical and hydrobiological characteristics of activated sludge. Experimental studies have determined the points of introduction of enzyme complexes into the technological scheme of biological wastewater treatment.

Lymphedema of the lower extremities: modern aspects of complex treatment: textbook. allowance

2017 ◽  
Author(s):  
Sergey Katorkin ◽  
Mihail Mel'nikov ◽  
Pavel Myshencev ◽  
Sergey Sushkov ◽  
Sergey Sushkov
Keyword(s):  
Higher Education ◽  
Conservative Treatment ◽  
General Practitioners ◽  
Lower Extremities ◽  
Educational Institutions ◽  
Federal State ◽  
Training Manual ◽  
Complex Treatment ◽  
Educational Standard ◽  
State Educational

The training manual sets forth modern views on the etiology, pathogenesis, clinic and principles of complex treatment of lymphedema of the lower extremities. Individual tactics based on the use of clinico-functional and biomechanical methods in diagnosis and treatment are substantiated. The authors described methods of conservative treatment, the technique of classical operations and modern innovative technologies. It meets the requirements of the Federal State Educational Standard of Higher Education of the latest generation. The manual is intended for students of medical higher educational institutions, clinical residents, surgeons, angio-surgeons and general practitioners

Personnel management, personnel consulting, modern personnel technologies, outsourcing, outstaffing, leasing, coaching, assessment center, headhunting, outplacement, teambuilding, teambuilding

2017 ◽  
Author(s):  
Чуланова ◽  
Oksana Chulanova
Keyword(s):  
Higher Education ◽  
Personnel Management ◽  
Main Tool ◽  
Management Style ◽  
Federal State ◽  
Training Manual ◽  
New Production ◽  
Management Tools ◽  
Educational Standard ◽  
State Educational

Within the frame of personnel consulting, management tools are offered that help to increase the efficiency of personnel as a company resource and reduce the risks of the personal dependence of modern businesses. " Ways to increase the productivity of labor creativity At the enterprise, creating the most favorable conditions for The solution of personnel-related tasks and the search for the most optimal management style of the enterprise become the main tool of consultants in personnel management. To ensure a stable position of the company in the market, the latter must have personnel capable of creatively approaching work, strive for innovations, and achieve an optimal final result. It is on the creation and improvement of cooperation between the personnel of the enterprise that is sent The activity of personnel consultants. Any Russian pre- It is interested in increasing its competitiveness, which raises the task of selecting the most talented, capable Think outside the box of workers. Gradually A new model for the development and use of human Resources. Its main features include: • Orientation to a highly skilled workforce; • the continuity of the knowledge enrichment process; • flexibility in the organization of work; • rejection of traditional personnel policy; • the formation of a new production culture, oriented to people. The trunk line of modern HR consulting is to make human resources that are the essence of competitive Advantages of any organization. This training manual on the discipline "Staff Consulting" was developed In accordance with the Federal State Educational Standard of higher education in the direction of 38.04.03. "Personnel Management" within the disciplines "Personnel Consulting", " "HR consulting" and in accordance with the Federal State Educational Standard of Higher Education for Board 38.06.01 "Economics", profile of training 08.00.05 "Economics and management of the national economy", within the framework of the discipline "Modern problems of personnel management" and training Final qualification works in these areas. The actuality of the publication lies in the fact that in the training manual, along with the main approaches of management consulting in general, all the latest technologies Personnel management. Outsourcing and outstaffing As a technology of hiring temporary personnel.

History and Methodology of Legal Science

2017 ◽  
Author(s):  
Честнов ◽  
Il'ya Chestnov
Keyword(s):  
Graduate Students ◽  
Professional Education ◽  
Federal State ◽  
Master's Level ◽  
Level Of Education ◽  
Educational Standard ◽  
Legal Science ◽  
Classical Methodology ◽  
Depth Study ◽  
State Educational

In the textbook sets out the historical and methodological foundations of legal science. The focus is on post-classical methodology of jurisprudence, the basic paradigm of modern legal science. Meets the requirements of Federal state educational standard of higher education of the last generation. The tutorial is intended primarily to graduate students and undergraduates, students at the basic educational program of postgraduate professional education program and master's level of education. Work may also be useful to teachers, students for in-depth study of theory of state and law.

Study and Progress for RBC in Biological Wastewater Treatment

2014 ◽  
Vol 1030-1032 ◽  
pp. 317-321
Author(s):  
Fu Jun Liu ◽  
Hua Zeng
Keyword(s):  
Wastewater Treatment ◽  
Key Words ◽  
Industrial Wastewater ◽  
Domestic Sewage ◽  
Biological Wastewater Treatment ◽  
Rotating Biological Contactor ◽  
Practical Applications ◽  
Affective Factor ◽  
Forward Part

RBC is one of the effective actors in wastewater treatment. From the fundamental characteristics and treating principle of RBC, this article compares different type of RBC ,includes discussions concerning the progress of RBC’s application、the practical applications and it’s affective factor, then takes a long view of the prospect on studying of RBC on the basis of the discussion in the forward part. Key words: RBC(rotating biological contactor); domestic sewage; industrial wastewater

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