Boron removal by reverse osmosis membranes

... potential of RO membranes was similar, its impact on boron removal by BWRO membranes was different from that by SWC4+ and ESPAB membranes RO membranes used in this Boron removal by RO membranes ii ... salinities Boron removal by RO membranes 4.2.1 Boron removal at different pH and fluxes 4.2.2 Boron removal at different salinities and pH 4.2.3 Boron...

Ngày tải lên: 09/09/2015, 18:58

... Water and Environment Technology, Vol.3, No.2, 2005 fields and forests on a plateau and a wetland which includes a paddy field in the lowlands Initial investigation showed that certain areas of the ... stubble of the previous year put into the soil during rice planting, it is considered that the organic matter from the rice stubble remained in the soil On the oth...

Ngày tải lên: 05/09/2013, 09:08

... effect of the cadmium addition on the appearance of the plant body was not observed during days in runs to Assimilation of cadmium in giant reed Fig shows the cadmium concentration in giant reed ... wetland is not enough to design the multi-functional wetland The purposes of this study are thus to clarify the dynamics of cadmium removal by...

Ngày tải lên: 05/09/2013, 10:17

... Air pollution removal and value for all urban trees in the coterminous United States Pollutant Removal (t) provide a viable means to improve air quality and help meet clean air standards in the ... cities, and consequently can help improve human health While the existing percent air quality improvements due to pollution removal by urban trees ar...

Ngày tải lên: 17/02/2014, 22:20

... site-specific alteration of RNA sequence is demonstrated Results RNA ligation by reverse-joined hairpin ribozymes Reverse-joined hairpin ribozymes, first introduced by Ohtsuka and colleagues [29,30], ... specific feature of the hairpin ribozyme in a scheme of sitedirected and patchwise exchange of RNA sequences [16,17] Combination of two hairpin ribozy...

Ngày tải lên: 20/02/2014, 01:20

... According to Taylor (2007), green roofs were installed on 300 buildings resulting in a total area of 27.87 by June 2007 There are three types of green roofs in Chicago: extensive green roofs, intensive ... approach: using green roofs for air pollution control By using a big-leaf dry deposition model, the air pollutants removed by green roofs in Chicago...

Ngày tải lên: 06/03/2014, 19:20

... Money with Reverse Osmosis Reverse osmosis systems offer an economical solution for producing high purity water and lowering productions costs When used to treat boiler feedwater, reverse osmosis ... reverse osmosis in the industrial world and the ways in which this innovative water filtration technology can save businesses money ***** Chapter 1: Reverse Osmosis...

Ngày tải lên: 08/03/2014, 15:20

... homogeneous deposition of Pd nanoparticles onto SnO2 nanoparticles In this study, PdO- loaded SnO2 nanoparticles were prepared by precipitating Pd(OH)2 on Sn(OH)4 of nano- sized precursor with hydroxides ... sensor response even by the quite low PdO loading Conclusions PdO- loaded SnO2 nanoparticles were prepared by the reverse micelle method Stable and mo...

Ngày tải lên: 20/03/2014, 13:05

... membranes are composite membranes made by interfacial polymerization; aromatic polypiperazine is an example of a widely-used nanofiltration membrane There are many commercially available RO membranes, ... Presented at Fourth National Meeting of the North American Membrane Society, May 29-31, 1991, San Diego, California Bhattacharyya, D., and Kothari, A. , "Separation of Hazardous...

Ngày tải lên: 24/03/2014, 05:20

... Rothfuss S, et al.: Surveying for evidence of synovial Chlamydia trachomatis by polymerase chain reaction (PCR) A study of 411 synovial biopsies and synovial fluids Arthritis Rheum 1997, 40:S270 ... Presumably, they are controlled by innate immune mechanisms, including macrophages and polymorphs; indeed, it is likely that many of the organisms detected were engulfed by phagocyte...

Ngày tải lên: 09/08/2014, 01:21

... maintained We report a case of a patient with cast nephropathy which resolved within weeks after treatment with chemotherapy and high cut-off haemodialysis Case presentation http://www.jmedicalcasereports.com/content/2/1/380 ... haemodialysis was discontinued Creatinine level at this point was 650 μmol/litre At year after discontinuation of dialysis, the patient re...

Ngày tải lên: 11/08/2014, 19:21

... rise in infections during rainy seasons [5] Rising rainfall in some regions has contributed to an extension of the season in recent years With the increasing frequency of dengue outbreaks and ... diagnosis of dengue fever was confirmed in 454 (58.6%) of 775 patients by having dengue IgM antibodies There is an average positivity of 38.5% in patients susp...

Ngày tải lên: 12/08/2014, 04:21

... Concentration Polarization in a Long RO Membrane Channel 100  6.1 Calculation of concentration polarization 101  6.2 Variation of permeate flux along the channel 104  6.3 Variation of rejection along ... and concentration polarization The effect of spacers on minimizing concentration polarization formation was also investigated Chapter – Organic fouling development in a lo...

Ngày tải lên: 14/09/2015, 08:25