Wastewater treatment for pollution control and reuse / by Soli J Arceivala, Dr. Shyam R. Asolekar.

Format:

Book

Author/Creator:

Arceivala, Sol J., author.

Asolekar, Shyam R., author.

Language:

English

Subjects (All):

Water--Purification.

Water.

Sewage--Purification.

Sewage.

Water reuse.

Physical Description:

1 online resource (xiv, 518 pages) : illustrations, figs., tables.

Edition:

3rd ed.

Place of Publication:

New York, N.Y. : McGraw-Hill Education LLC., c2007.

Contents:

A. Preface to the third edition

B. Preface to the first edition

1. Ecosystem approach to pollution control

Interaction of wastewater with the ecosystem

Wastewater characteristics

Wastewater management in india

Some issues concerning wastewater disposal to the environment

Environmental impact assessment

Strategies for control of pollution

References

2. Planning for wastewater collection and treatment

Initial planning

Newer approaches in wastewater collection system design

Provision of sanitation in unsewered slums and shanty-towns

Some wastewater treatment methods and their characteristics

Factors in choice of waste treatment methods

3. Principles of aerobic bio-reactor design

Reaction order

Flow patterns of reactors

Ideal plug flow

Ideal completely?mixed flow

Dispersed flow

The dispersion number, d/ul, and its estimation

Multiple cells with series or parallel arrangements

Effect of shock loads

Estimation of wastewater temperature in large reactors

Guidelines for choice of reactors

4. Principles of aerobic biological treatment

Microbial growth rates

Treatment kinetics

Handling of solids

Sludge age and hydraulic retention time

Food/micro-organism ratio

Build-up of solids in the system

Substrate removal efficiency

Temperature effects

Estimation of final effluent bod

Oxygen requirements

Nutrient requirements

Phosphorus removal

Nitrogen removal

Choice of sludge age

5. Principles of aeration

Theory of aeration

Factors affecting oxygen transfer

Oxygenation and mixing requirements

Types of aerators

Use of renewable sources of energy

6. Some aerobic biological treatment methods

Suspended and attached growth systems

Activated sludge

Extended aeration

Nitrification?denitrification systems

Phosphorus precipitation

Sequencing batch reactors

Contact stabilization process

Package plants

Trickling filters

Submerged media beds

Rotating bio-disc systems

7. The "uasb" and other anaerobic processes

Background in india

Typical arrangements

Approach to design

Useful parameters for design

Sulphates and sulphides

Gas production and cod balance

Gas recovery

Nutrients

Toxicity

Plant commissioning and operation

Post-treatment requirements

Some pros and cons in the use of uasb

Other types of anaerobic units

A possible new system

8. Mechanically aerated lagoons

Types of aerated lagoons

Design of facultative aerated lagoons

Design of aerobic flow-through type lagoons

Design of dual-powered aerated lagoons

Design of aerobic lagoons with recycling of solids (extended aeration lagoons)

Optimization of lagoon and pond combinations

Combinations of different processes

A possible new system: a deep lagoon with small solar-powered aerators

Construction features

References.

9. Natural systems ? 1 classical algal ponds for treatment and resource recovery

Types of ponds

Typical flow-sheets

Factors affecting pond ecosystems

Algal growth dynamics

Oxygen production in a pond

Substrate removal rate in ponds

Choice of flow pattern and pond detention time

Pond depth

Anaerobic activity in ponds

Sulphide production in ponds

Micro-organism removal in ponds

Micro-organism reduction prior to reuse in irrigation

Sludge accumulation

Phosphorus removal in ponds

Nitrogen removal in ponds

Example of a pond design

Pre-treatment in anaerobic units

Ponds for animal wastes

'Complete' waste treatment

Resource recovery based ponds

Fish ponds after algal ponds

Advanced integrated pond system

Pond-enhanced treatment and operation (petro) system

Construction, operation and maintenance of ponds

10. Natural systems ? 2 hyacinth and duckweed ponds, fish ponds, natural and constructed wetlands, and vermiculture

Hyacinth ponds

Duckweed ponds

Sewage-fed fish ponds

Natural wetlands

Constructed wetlands (reed beds)

Vermiculture, earthworm technology

11. Natural systems ? 3 wastewater irrigation

Wastewater irrigation

Aspects in planning an irrigation system

The irrigation system and its layout

Soil-crop-water system design and sustainability

Operational and monitoring aspects

Price charged to farmers for use of treated wastewaters

Design of a municipal wastewater irrigation system

Design of an industrial wastewater irrigation scheme

12. Some physico-chemical methods and membrane technologies

Removal of oil and grease

Removal of fines using flotation technology

Multimedia filtration

Lime-soda and zeolite softening

Ion exchange for removal of trace ionic pollutants

Activated carbon adsorption systems

Advanced oxidation processes

Disinfection

Membrane processes

Combined biological and physico-chemical methods

The "caaco" process

13. Solids settling and sludge management

Solids removal by screening

Grit removal

Primary sedimentation

Chemically-aided sedimentation

Secondary or final settling tanks

Sludge thickeners

Anaerobic digestion

Aerobic digestion

Sludge dewatering

Design of sludge drying beds

Rational method of estimating drying time

Sludge lagoons

Use of evaporation/evapotranspiration ponds

Mechanized methods of sludge dewatering

Sludge disposal

14. Water conservation and reuse in industry and agriculture

Types of reuse

Reuses of urban wastewater in agriculture and horticulture from sewered areas

Reuse of urban wastewater from polluted "nallahs" draining unsewered areas

Reuse in industry and commerce to meet water shortages

Reuse in commercial buildings using on-site sources of wastewater

Reuse in large industries using off-site sources of wastewater

Reuse in industries to meet various objectives in addition to water shortages

Conclusion

15. Wastewater reuse to augment public water supplies

Reuse of treated wastewaters for augmenting public water supplies

Supply of reclaimed water through a dual distribution system

Supply of reclaimed water using membrane bio-reactors

Groundwater recharge for reuse

Reuse of wastewater to raise aquifer levels

Reuse of wastewater to prevent sea water intrusion in coastal areas

Use of reclaimed wastewater for recreational purposes

Reuse of wastewater for supplementing evaporation losses from non-potable lakes in india

Reuse of wastewater for supplementing potable water lakes

Direct reuse of reclaimed water in south africa

The indian situation of unwitting direct reuse

Indirect reuse of reclaimed water for potable purposes

Need for environmental impact assessment and follow-up monitoring

16. Guidelines for planning and designing treatment plants and cetps

Various considerations in site and process selection

Overall planning for a plant

The treatment system

Other important requirements of plant design

Commissioning and operation of plants

Cost considerations and funding of projects

Special requirements of common effluent treatment plants (cetps)

17. The many facets of sustainable waste management

Improving sustainability at the industry level

Improving sustainability at the community level ? References.

Notes:

Includes bibliographical references and indexes.

Description based on cover image and table of contents, viewed on Oct. 24, 2014.

ISBN:

9780070620995

0070620997

Access Restriction:

Restricted for use by site license.