application of bioremediation techniques for the removal of
... remediation of contaminated industrial locations and effluents. These methods have been classified in three main categories: physical (volatilization, photolysis, adsorption, electroremediation and filtration), chemical (chemical oxidation, photocatalysis and coagulation‐ ...
... remediation of contaminated industrial locations and effluents. These methods have been classified in three main categories: physical (volatilization, photolysis, adsorption, electroremediation and filtration), chemical (chemical oxidation, photocatalysis and coagulation‐ ...
Phosphorus and Onsite Wastewater Systems
... wastewater treatment plants and the remaining 22 percent came from all other non-point sources, including onsite wastewater systems. Agriculture and domestic wastewater are closely connected when it comes to phosphorus. Phosphorus applied by farmers ends up in the foods we eat. Any excess phosphorus ...
... wastewater treatment plants and the remaining 22 percent came from all other non-point sources, including onsite wastewater systems. Agriculture and domestic wastewater are closely connected when it comes to phosphorus. Phosphorus applied by farmers ends up in the foods we eat. Any excess phosphorus ...
CHAPTER ONE INTRODUCTION 1.1 Heavy metals pollution in
... determines its behaviour in the environment and its mobilization capacity. Availability and metal speciation studies provide more relevant information which is why it is crucial that these studies should be conducted. The properties of the sludge vary from one to the other because they are generated ...
... determines its behaviour in the environment and its mobilization capacity. Availability and metal speciation studies provide more relevant information which is why it is crucial that these studies should be conducted. The properties of the sludge vary from one to the other because they are generated ...
Photocatalytic degradation of phenol in water solutions using ZnO
... phenol and phenolic compounds from saline wastewaters. High costs, low efficiency, and the generation of dangerous and toxic byproducts are among the factors which limit the use of some of these methods of removal.9 Recently, another technique called advanced oxidation has been used for the removal ...
... phenol and phenolic compounds from saline wastewaters. High costs, low efficiency, and the generation of dangerous and toxic byproducts are among the factors which limit the use of some of these methods of removal.9 Recently, another technique called advanced oxidation has been used for the removal ...
phosphorus recycling - now! - P-REX
... The EU's only phosphorus mine is situated in Finland. The European Union faces a 92% import dependency1 today, explaining why phosphate rock has recently been announced as one of the 20 Critical Raw Materials of the EU 5. Phosphorus is cycled between animal and crop production in the form of manure ...
... The EU's only phosphorus mine is situated in Finland. The European Union faces a 92% import dependency1 today, explaining why phosphate rock has recently been announced as one of the 20 Critical Raw Materials of the EU 5. Phosphorus is cycled between animal and crop production in the form of manure ...
Isolation of Thiobacillus sp from aerobic sludge of distillery and dairy
... into elemental sulfur. The formation of elemental sulfur was observed in the reactor in the form of light yellow precipitation. After 48 hr of batch reactor operation the sulfate formation was increased with the decrease in sulfide concentration in the reactor. At the end of the reactor operation, a ...
... into elemental sulfur. The formation of elemental sulfur was observed in the reactor in the form of light yellow precipitation. After 48 hr of batch reactor operation the sulfate formation was increased with the decrease in sulfide concentration in the reactor. At the end of the reactor operation, a ...
Full Text
... These values are categorized as conditions for anaerobic degradation. According to Igoni et al. [42], the optimum pH range for anaerobic biodegradation is 6-8. Chemical oxygen demand (COD) is an indicator for oxygen requirement in organic material oxidation contained in the substrate. This value can ...
... These values are categorized as conditions for anaerobic degradation. According to Igoni et al. [42], the optimum pH range for anaerobic biodegradation is 6-8. Chemical oxygen demand (COD) is an indicator for oxygen requirement in organic material oxidation contained in the substrate. This value can ...
Diffusion of large molecules in conifer bordered pits
... to human use of fossil fuels. [1] This has strengthened the incentive to consider more sustainable raw materials for production of chemicals and value-added products. A promising alternative is lignocellulosic materials [2]. Lignocellulosic biomass is mainly comprised of complex networks of cellulos ...
... to human use of fossil fuels. [1] This has strengthened the incentive to consider more sustainable raw materials for production of chemicals and value-added products. A promising alternative is lignocellulosic materials [2]. Lignocellulosic biomass is mainly comprised of complex networks of cellulos ...
Assignment MSWord - Technical Learning College
... of the wastewater treatment system, nutrients and nutrient removal, filtration, microbes, bugs and the activated sludge process. You will have 90 days in order to successfully complete this assignment with a score of 70% or better. If you need any assistance, please contact TLC’s Student Services. O ...
... of the wastewater treatment system, nutrients and nutrient removal, filtration, microbes, bugs and the activated sludge process. You will have 90 days in order to successfully complete this assignment with a score of 70% or better. If you need any assistance, please contact TLC’s Student Services. O ...
Biogas – Green Energy Process, Design, Energy
... growth rate of the bacteria involved in the process, they also become the limiting factor for how quickly the process can proceed and how much material can be digested. The growth rate of the methanogens is only around one fifth of the acid-forming bacteria. As previously mentioned, the methanogen ...
... growth rate of the bacteria involved in the process, they also become the limiting factor for how quickly the process can proceed and how much material can be digested. The growth rate of the methanogens is only around one fifth of the acid-forming bacteria. As previously mentioned, the methanogen ...
Exploris SectionI
... 3. Provide a guide to the physical and biological treatment processes. 4. Draw attention to safety issues and requirements. 5. Provide a trouble-shooting guide for problems that may arise. In addition to this manual, the operator may refer to the following reports, manuals or drawings for more detai ...
... 3. Provide a guide to the physical and biological treatment processes. 4. Draw attention to safety issues and requirements. 5. Provide a trouble-shooting guide for problems that may arise. In addition to this manual, the operator may refer to the following reports, manuals or drawings for more detai ...
Geotube® Dewatering Technology
... treatment. The main function of the septic tank is to remove large particles and grease, which would otherwise clog the effluent treatment process. Heavy solids settle to the bottom as a sludge layer and undergo biological decomposition. Sometimes, a septic tank is used to treat the domestic wastewa ...
... treatment. The main function of the septic tank is to remove large particles and grease, which would otherwise clog the effluent treatment process. Heavy solids settle to the bottom as a sludge layer and undergo biological decomposition. Sometimes, a septic tank is used to treat the domestic wastewa ...
Analysis of Free Ammonia Inhibition of Nitrite Oxidizing Bacteria
... Fig. 2 shows a typical respirogram of a nitrifying sludge from the airlift reactor. In Fig. 2(a), as 9.1 mg/L sodium acetate (A) was injected to the vessel, dissolved oxygen concentration remained constant and oxygen uptake rate did not increase. The absence of an increase in oxygen uptake with the ...
... Fig. 2 shows a typical respirogram of a nitrifying sludge from the airlift reactor. In Fig. 2(a), as 9.1 mg/L sodium acetate (A) was injected to the vessel, dissolved oxygen concentration remained constant and oxygen uptake rate did not increase. The absence of an increase in oxygen uptake with the ...
Minimizing Nitrogen Discharges from Onsite Wastewater Systems
... steps, both mediated by different types of nitrifying bacteria. In the first, ammonium is converted to nitrite, which is then converted to nitrate in the second step. Because the second step proceeds more quickly than the first, nitrite is usually present only in small quantities under ...
... steps, both mediated by different types of nitrifying bacteria. In the first, ammonium is converted to nitrite, which is then converted to nitrate in the second step. Because the second step proceeds more quickly than the first, nitrite is usually present only in small quantities under ...
Biological conversion of sulfide to elemental sulfur
... PHM 55 pH Regulator connected to an Ingold (Inwater, a concentrated nutrient solution and a sulgold Electrodes Inc., Wilmington, MA) 465-35-K9 fide stock solution (Fig. 2). In Trials 9 and 10, combined glass electrode inserted into the reactor. there were only two feeds: a nutrient medium and a Feed ...
... PHM 55 pH Regulator connected to an Ingold (Inwater, a concentrated nutrient solution and a sulgold Electrodes Inc., Wilmington, MA) 465-35-K9 fide stock solution (Fig. 2). In Trials 9 and 10, combined glass electrode inserted into the reactor. there were only two feeds: a nutrient medium and a Feed ...
The Effects of Salinity on the Filtration Rates of Juvenile Tropical
... The lowest filtration rates were reported in 15 and 45 ppt (Fig. 1) as these were extreme salinity values. This could be contributed by a mechanism to tolerate salinity where bivalves close their valves to isolate themselves from the external environment and osmolarity differences, lessening filtrat ...
... The lowest filtration rates were reported in 15 and 45 ppt (Fig. 1) as these were extreme salinity values. This could be contributed by a mechanism to tolerate salinity where bivalves close their valves to isolate themselves from the external environment and osmolarity differences, lessening filtrat ...
Degradation kinetics of Diclofenac in Water by Fenton`s Oxidation
... Abstract: An extensively used non-steroidal anti-inflammatory drug (NAID) diclofenac (DCF) is reported to be present in the environment. Several adverse effects have been reported due to presence of DCF and hence it should be removed from the environment. Among several treatment methods, classic Fen ...
... Abstract: An extensively used non-steroidal anti-inflammatory drug (NAID) diclofenac (DCF) is reported to be present in the environment. Several adverse effects have been reported due to presence of DCF and hence it should be removed from the environment. Among several treatment methods, classic Fen ...
2.3 Anaerobic, aerobic and facultative ponds
... losses before reuse. However, ponds are often adopted to improve effluent treatment where a farmer intends to: ...
... losses before reuse. However, ponds are often adopted to improve effluent treatment where a farmer intends to: ...
Review of the Advantages and Disadvantages of
... from the water in which it is present. In extreme cases so much oxygen is removed that aerobic life ceases and the water becomes ‘dead’. Fish kills are an all too common result of contamination of this type. Figure 3. Digestate from sewage wastes The volume of waste is substantially reduced by diges ...
... from the water in which it is present. In extreme cases so much oxygen is removed that aerobic life ceases and the water becomes ‘dead’. Fish kills are an all too common result of contamination of this type. Figure 3. Digestate from sewage wastes The volume of waste is substantially reduced by diges ...
Key Surgical Steps - Labtician Ophthalmics, Inc
... 2. If it is not possible to advance the conjunctiva to cover the bleb area or if there are increased risks of bleb failure, one may consider using cryopreserved amniotic membrane to solve the problem with the surgical technique shown. ...
... 2. If it is not possible to advance the conjunctiva to cover the bleb area or if there are increased risks of bleb failure, one may consider using cryopreserved amniotic membrane to solve the problem with the surgical technique shown. ...
Removal of Ammonia and Phenol from Industrial Waste Water
... aerobic growth. Failure to maintain oxygen in the aeration system can result in diffuse non settling floes because of the high for production under anaerobic conditions. Maintenance of aerobic conditions in the aeration tank, followed by an anaerobic period in the final clarifier, appears to promote ...
... aerobic growth. Failure to maintain oxygen in the aeration system can result in diffuse non settling floes because of the high for production under anaerobic conditions. Maintenance of aerobic conditions in the aeration tank, followed by an anaerobic period in the final clarifier, appears to promote ...
reaction kinetics and mechanistic studies of nitric oxide
... increasing the solubility of NO in water, are of ardent interest [1-5]. Hence, the use of aqueous hydrogen peroxide [6], sodium chlorite [7], aqueous NaClO2 solution, KMnO4 solutions [8-10] and various other reagents is widespread in the literature. In a previous study, we used oxone or potassium hy ...
... increasing the solubility of NO in water, are of ardent interest [1-5]. Hence, the use of aqueous hydrogen peroxide [6], sodium chlorite [7], aqueous NaClO2 solution, KMnO4 solutions [8-10] and various other reagents is widespread in the literature. In a previous study, we used oxone or potassium hy ...
Validation of Sterile Filtration of Liquid Nitrogen
... usually problematic, LN2 presents a special condition. The ther- 19.5–22.5 psig for 60 min with flow rates of 1.0 L/min. Each filmal stresses to which filters are subjected during sterile filtra- ter was then flushed with 1000 mL of deionized water before tion of LN2 are far more extreme than with a ...
... usually problematic, LN2 presents a special condition. The ther- 19.5–22.5 psig for 60 min with flow rates of 1.0 L/min. Each filmal stresses to which filters are subjected during sterile filtra- ter was then flushed with 1000 mL of deionized water before tion of LN2 are far more extreme than with a ...
Enhancement of anaerobic digestion of actual industrial
... turn generates useful methane gas that can be used to generate useful energy or heat. Anaerobic Digestion (AD) is one of the most suitable renewable resources of conversion of industrial wastewaters to bioenergy, but it is not widely utilized in the US. As a result, this research focused on understa ...
... turn generates useful methane gas that can be used to generate useful energy or heat. Anaerobic Digestion (AD) is one of the most suitable renewable resources of conversion of industrial wastewaters to bioenergy, but it is not widely utilized in the US. As a result, this research focused on understa ...
Anaerobic degradation kinetics of reactive dye with different carbon
... to first-order kinetics. On the other hand, zero-order kinetics described the data for AS as the carbon source, which had regression coefficients higher than 0.963. The decolorization rates were slightly decreased with increase in dye concentrations of RR 141 for MS and PVA as carbon sources. This m ...
... to first-order kinetics. On the other hand, zero-order kinetics described the data for AS as the carbon source, which had regression coefficients higher than 0.963. The decolorization rates were slightly decreased with increase in dye concentrations of RR 141 for MS and PVA as carbon sources. This m ...
Membrane bioreactor
Membrane bioreactor (MBR) is the combination of a membrane process like microfiltration or ultrafiltration with a suspended growth bioreactor, and is now widely used for municipal and industrial wastewater treatment with plant sizes up to 80,000 population equivalent (i.e. 48 million liters per day).