strategies for industrial waste water treatment

... in treatment of municipal wastewaters and varying types of industrial wastewaters for removal of organic material in the wastewaters and also produce biogas as energy from the wastewaters Treatment ... municipal wastewater) are deficient For the foregoing reasons, between textile industries wastewater and municipal wastewater were applied for the research The aim of this work was to study the treatment ... n.d.) Therefore, wastewater of these industries has generally been a combination of textile and municipal wastewater If the municipal wastewater mixes with the other kind of wastewater, it has

Ngày tải lên: 21/06/2014, 23:20

... separate treatment of industrial wastewater Water Sci Technol 61., 1715-1722 Aravena, R & Robertson, W.D (1998) Use of multiple isotope tracers to evaluate denitrification in ground water: ... on waste water treatment indicate that a further understanding of anammox is needed 7 Acknowledgements We are grateful for the significant contributions from J Neufeld, T Moore, E, Tekin, D Fortin ... further evidence for anammox presence in ground water and additional insight of anammox bacteria community in ground water environments 5 Anammox and denitrification in waste water From a geochemical

Ngày tải lên: 21/06/2014, 23:20

... process design 3.1 Wastewater, its origin: a systemic analysis The origin of the wastewater is very important in our conceptual framework For a long time the grouping of wastewater has been a ... to the river • Back to the site for irrigation as leaching water to accelerate soil washing • Use as process water for industry • Use as drinking water Trang 2For other currents there are several ... collection of oily water, for which treatment method will be developed, from the groundwater It is obvious that the mixture of these two waters is probably the worst operation to be performed Then,

Ngày tải lên: 21/06/2014, 23:20

...  The pit has a conical bottom for enhancing the settling of solid particles EQUALIZATION TANK Trang 15 This process is particularly useful for treatment of wastes containing high percentage ... TREATMENT Trang 7Preliminary Treatment It involves removal of large solids such as rags, sticks, grit and grease that may result in damage to equipment or operational problems (Physical treatment) ... various chemical processing of textiles, large volumes of waste water with numerous pollutants are discharged.  These streams of water affect the aquatic eco-system in number of ways such

Ngày tải lên: 22/07/2015, 21:53

... foundation for the whole thesis for the preparation of CS-based adsorptive hollow fiber membranes The hollow fiber membranes developed will then be studied for the application of wastewater treatment ... around 20oindicate the extent of crystallinity Figure 3.7 Performance of copper ion adsorption on 8CSHF from semiconductor industrial wastewater (pH 6.2, TOC = 32.5 mg/L, initial copper ion concentration ... separation of synthetic wastewater 1 nitrogen cylinder; 2 pressure meter; 3 sealed container; 4 beaker containing D.I water; 5 circulating pump; 6 hollow fiber module; 7 beaker for permeate Figure

Ngày tải lên: 14/09/2015, 08:49

... ft2.day Raw water Primary settling )Q( )Recirculated flow (QR Secondary settling One-stage Trickling Filter Raw water Primary settling Treated )water (Q Trickling filter Treated )water (Q )Recirculated ... dia, ft side water depth single peripheral weir) R=0.5, Q= 1.38 mgd, and average BOD = 180 mg/l • For the primary clarifier determine overflow rate, detention time and weir loading • For the trickling ... diffuse across a stagnant boundary layer Making the biodegradation reaction diffusion limited Wastewater flow Biological layer Liquid film Trickling Filters versus Activated Sludge Advantages

Ngày tải lên: 11/06/2016, 14:31

... phenolic wastewater having a TOC of 200 mg/l is to be treated by a fixed bed granular activated carbon with a wastewater flow of 150 m3/d, and the allowable... Hard water Resin Soft water NO3 ... graph of water after ion exchange has the same number of meqs as the raw water Since ions are just exchanged • Maximum Na for softened water. .. ions are just exchanged • Maximum Na for softened ... softened water with ion exchange should have less than 100 mg/l Na, or less than 20 mg/l for people on restricted diet • The quantity of waste brine for regeneration is approximately 5% of water

Ngày tải lên: 11/06/2016, 14:32

... Concentration Solute + contaminant Solvent pure water = Solution water or wastewater to be treated Units of Concentration • mg/L = part per million (ppm) for dilute solution • ug/L= part per billion ... Gulf sea water contains about 4% total dissolved solids (TDS) What is the concentration of TDS in mg/l Solution: 4% means g TDS/ 100 g water Since 1000 g water is liter, then 100 g water is 0.1 ... 4% = 4000 mg TDS/ 0.1 liter water = 40,000 mg/ liter CIVL375-Maraqa Solids Solids in water Suspended (turbidity) Dissolved (mainly salinity) Filtration Solids in water Volatile (organic) Fixed

Ngày tải lên: 11/06/2016, 14:33

... Electrodialysis Trang 3Warm salt water Heat Cold salt water Fresh water Boiler Distillation Negative pressure In class Exercise Brine C=? Heat Cold salt water Q=10MGD C=38,000 mg/l Fresh water Q=8 MGD C=50 ... C=50 mg/l Steam Trang 4Reverse Osmosis (RO)Membrane Fresh water Saline water Osmosis Water movement Reverse Osmosis Fresh water Saline water Pressure Basic components of an RO unit Trang 5Fujairah ... 10 1 58 A 29 , 602 ft A o C = × o C = Trang 9 Cathode ⊕ ⊝ ⊝ ⊝ ⊝ ⊝ ⊕ ⊕ ⊕ ⊕ ⊝ Saline water Fresh water Anode c r nE FQNE I=current F= 96,500 amp-sec per eq removed Q=flow rate N=normality

Ngày tải lên: 11/06/2016, 14:36

... Introduction Water pollution 1.1.1 Water pollution 1.1.2 Heavy metals in waste water 1.1.3 1.1 Organic pollutants in waste water 10 10 1.2.2 1.3 Water treatment 1.2.1 Removal of Cr(VI) from waste water ... considerations for water treatment As mentioned before, it is quite important to remove Cr(VI) and dyes from water 1.2.1 Removal of Cr(VI) from waste water The conventional treatment of Cr(VI)-containing waste ... pollutants in waste water Domestic, industrial and agricultural activities all produce waste water containing organic matter The organic pollutants include [23-25]:  Industrial waste water: plasticizers,...

Ngày tải lên: 09/09/2015, 08:18

... Activated sludge wastewater treatment is by far the most common biological treatment method used for treating domestic and industrial wastewater Since its first establishment in 1914, the treatment ... nutrients in a variety of wastewaters such as anaerobic pond effluents, domestic wastewater, agricultural wastewaters, etc (Craggs et al 2011) Microalgae growing in the wastewater assimilate nutrients ... 2.3.1(a) Wastewater treatments High rate algal ponds (HRAPs) were the first microalgae-based systems pioneered and developed by Oswald and co-workers in the 1950s for domestic wastewater treatment...

Ngày tải lên: 09/09/2015, 11:31

... so, the treatment of waste water in formal waste treatment plants by means of the microbial degradation of wastewater components was reported for the first time 1892 It was municipal wastewater, ... the waste water be reduced or even eliminated by process integrated means? Does all the wastewater in question in fact require treatment? Is the waste water suitable in its present form for biological ... central wastewater treat‐ ment plants, and indirect discharge, for companies that dispose of their wastewater via a public wastewater facility Figure Decentralized and centralized aspects of waste water...

Ngày tải lên: 29/03/2014, 21:20

... about waste water treatment technologies and waste water minimization strategies, is grouped in X Preface three different sections The first section are related to bioremediation methods for waste water, ... treatment than the raw wastewater Moody & Raman (2001) investigated the performance of two dual-reactor high-rate anaerobic systems in the treatment of confectionery wastewater Diluted wastewater ... especially for the treatment of industrial wastewaters High organic loading rates can be achieved at smaller footprints by using high rate anaerobic reactors for the treatment of industrial effluents...

Ngày tải lên: 20/06/2014, 05:20

... polyester wastewater does not have a substantial change in COD removal efficiency 56 Waste Water - Treatment and Reutilization 45% diluted wastewater 30% diluted wastewater 15% diluted wastewater ... municipal wastewater) are deficient For the foregoing reasons, between textile industries wastewater and municipal wastewater were applied for the research The aim of this work was to study the treatment ... on textile wastewater types Before the anaerobic treatment of polyester wastewater, it should be treated via advance technology Information 3.1 Sampling In this study, original wastewater samples...

Ngày tải lên: 20/06/2014, 05:20

... 80 Waste Water - Treatment and Reutilization Practically no data on the costs of dye removal can be found Only the evaluation of water reuse technologies for the spent dyebath wastewater containing ... components must be removed from wastewater to protect the quality of the water bodies that it will be eventually discharged to A conventional wastewater treatment system for nitrogen removal is often ... application of anammox in waste water Since anammox was discovered in a denitrifying fluidized bed reactor for wastewater treatment, it was realized that having a great potential for the removal of...

Ngày tải lên: 20/06/2014, 05:20

... 110 Waste Water - Treatment and Reutilization is grown These systems are used as an environmentally friendly method for wastewater sanitisation before eventual discharge into a watercourse The wastewater ... benchmarks for alternative testing strategies Measurement Techniques for Wastewater Filtration Systems Fig Schematic representation of laboratory permeameter setup 117 118 Waste Water - Treatment ... Reduction in Waste Water Treatment Plants Mahmudul Kabir, Masafumi Suzuki and Noboru Yoshimura Akita University Japan Introduction Household waste water is taken under WWT (Waste Water Treatment) ...

Ngày tải lên: 20/06/2014, 05:20

... in wastewater Activated Wastewater sludge Bacteria Glucose present in wastewater Anaerobic Synthetic and aerobic wastewater sludge Wastewater Acetate Microbial fuel cell Bacteria present in wastewater ... Recycled Sludge Waste Sludge Tertiary Treatment Effluent Fig Process flow for a typical wastewater treatment plant (Metcalf and Eddy, 2003) Based on this summary of a wastewater treatment process ... simultaneously purify wastewater, which makes it attractive for in situ treatments or for the modification of current conventional treatment plants Switching from aerobic to anaerobic wastewater treatment...

Ngày tải lên: 20/06/2014, 05:20

... use of activated carbon for metal removal from industrial effluents is expensive (Babel and Kurniawan, 2003), limiting its large application for wastewater treatment Therefore, there is a growing ... regularly used in agricultural chemicals for mildew prevention, and as algicides in water treatment of industrial waters It is also used as a preservative for wood, leather, and fabrics Workers ... municipal waste water treatment plants and is not biodegradable and travels through the food chain via bioaccumulation Therefore, there is significant interest regarding zinc removal from waste waters...

Ngày tải lên: 20/06/2014, 05:20