strategies for industrial waste water treatment

... 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

... analysis of parameters and concentration of substances in industrial waste waters are specified in available current TCVNs Table _ Industrial waste water Limit values of parameters and maximum allowable ... 2.6 Industrial waste water containing the values of parameters and concentrations of substances which are greater ... Fluoride mg/l 28 Phenol mg/l 0,001 0,05 29 Sulfide mg/l 0,2 0,5 30 Cyanide mg/l 0,05 0,1 0,2 31 Coliform MPN/100ml 5000 10000 - 32 Gross α activity Bg/l 0,1 0,1 - 33 Gross β activity Bq/l 1,0 1,0...

Ngày tải lên: 10/04/2013, 09:48

Ngày tải lên: 08/03/2014, 14:20

... 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

... groups and the remaining wastewater is treated in a wastewater treatment plant (Sevimli et al., 1999) 4.5.2 Wastewater sources and characterization Opium alkaloid industry wastewaters are highly polluted ... et al., 2008) Table Anaerobic treatment applications for different industrial wastewaters the previous sections Besides, it has a wide potential for wastewater treatment applications of many ... purifying industrial wastewaters high in organic matter Water Science and Technology, 29, 9, 225–229 Hung, Y.T.; Lo, H.H.; Awad, A & Salman H (2006) Potato wastewater treatment, in: Waste Treatment...

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

... refractory to conventional biological treatments Research on alternative or additional methods of wastewater treatment is of current interest Wastewater treatment by means of advanced oxidation ... evolution of reaction byproducts is critical for producing proper engineering designs Therefore, the optimization of AOP-methods for waste water treatment requires a comprehensive understanding ... using the nonlinear methods 206 Waste Water - Treatment and Reutilization 3.2 Discussion Table show the surface area and pore diameter range for the biosorbent used for this study The Specific surface...

Ngày tải lên: 20/06/2014, 05:20

... reactive hence, could be applied for the treatment of wastewaters This is the basic principle lies with ferrate(VI) application particularly for the treatment of wastewaters since, it degraded the ... water treatment chemical for the oxidation, coagulation and disinfection of water [39] Presently, it has already been assessed and successfully employed for the treatment of variety of wastewaters ... of atmospheric oxygen into natural waters The biodegradation of several surfactants are seemingly slow in the wastewaters treatment plants The wastewaters treatment processes included in general...

Ngày tải lên: 20/06/2014, 05:20

... radioactive waste management studies [84-85] Other possible applications of Fe(VI) in the remediation of wastewater treatment The possible role of Fe(VI) is in the treatment of real wastewaters and ... discussed in detail 4.1 Disinfection of wastewater Coagulation and oxidation/disinfection are to be the important unit processes associated with the water or wastewater treatment The role of ferrate(VI) ... sewage wastewater and a model water E coli (concentration 3.2x108 /100mL) were used to assess the Fe(VI) capability as coagulant behavior (compared to ferric and aluminum 270 Waste Water - Treatment...

Ngày tải lên: 20/06/2014, 05:20

... to the site for irrigation as leaching water to accelerate soil washing • Use as process water for industry • Use as drinking water 314 Waste Water - Treatment and Reutilization For other currents ... quite important for waste water treatment Therefore, in near future, it is very necessary to study the relation between these two roles of alumina and apply it to waste water treatment References ... 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 strategy...

Ngày tải lên: 20/06/2014, 05:20

... ions solution flow back 332 Waste Water - Treatment and Reutilization Heat flow for water flow then enabled to evaluate desorption heat of the Pb(II) ions from the sample For the experiments, natural ... adsorbent For treatment of waste as well as drinking water, activated carbons are widely used (Machida et al., 2005; Guo et al., 2010) Due to an increasing demand on thorough purification of water, ... applied for the adsorption equilibrium measurements The obtained 328 Waste Water - Treatment and Reutilization isotherms were analysed using the Langmuir model (4) Adsorption potential for each...

Ngày tải lên: 20/06/2014, 05:20

... plant for each irrigation treatment (ground water GW and urban waste water UWW) and for two varieties (R and W) Different letters indicate significant differences at P = 0.05 369 Waste- Water ... 1.1 Waste water use in irrigation Water supply and water quality degradation are global concerns that will intensify with increasing water demand; for this reason, worldwide, marginal-quality water ... sources for agriculture irrigation One of the major types of marginal-quality water is the wastewater from urban and peri-urban areas (Pedrero et al., 2010) The municipal wastewater is a potential water...

Ngày tải lên: 20/06/2014, 05:20

... Smith [26, 27] addressed the wastewater treatment problem by constructing the wastewater composite curve Bandyopadhyay et al [12] established the wastewater and wastewater treatment targets simultaneously ... treated wastewater and fresh water at different planting densities Pure and Applied Science 19: 279-295 Sepúlveda, H 1998 Treatment of Industrial Wastewaters Roundtable on Municipal Water Vancouver, ... consumes pure water Perchloroethylene section This section consumes 140m3/h freshwater and discharges 135m3/h wastewater, where wastewater of 133 m3/h is cooling water discharge This cooling water should...

Ngày tải lên: 20/06/2014, 05:20

... Current water source freshwater freshwater freshwater freshwater freshwater freshwater freshwater freshwater freshwater freshwater freshwater Pure water Pure water Pure water freshwater freshwater ... 6~9 6~9 Wastewater Minimization in a Chlor-Alkali Complex 419 420 Fig 12 Water reuse schemes in plant Fig 13 Water reuse scheme in plant Waste Water - Treatment and Reutilization 421 Wastewater ... t/h freshwater If the following freshwater and wastewater related cost are adopted: Freshwater cost: 0.4 RMB/t Pure water cost: 10.00 RMB/t Circulating cooling water cost: 0.5 RMB/t Water pumping...

Ngày tải lên: 20/06/2014, 05:20