chitin chitosan and derivatives for wastewater treatment

ENCYCLOPEDIA OF ENVIRONMENTAL SCIENCE AND ENGINEERING - NATURAL SYSTEMS FOR WASTEWATER TREATMENT pdf

Ngày tải lên : 10/08/2014, 20:20

... practiced.3,5 Aquatic Treatment Systems Aquatic system utilize lagoons and ponds, and wetlands The lagoons and ponds depend on microbial life, and lower plants and animals, while wetlands support the ... of Constructed Wetlands Constructed wetlands are relatively recent development, and are gaining popularity for treatment of wastewater from small communities, and residential and commercial areas ... — 8.67 — — NATURAL SYSTEMS FOR WASTEWATER TREATMENT TABLE Performances of some well known constructed wetlands 11/18/2005 10:44:18 AM NATURAL SYSTEMS FOR WASTEWATER TREATMENT Cost Cost is often...

9
492
0

Tài liệu Bevacizumab and cetuximab for the treatment of metastatic colorectal cancer docx

Ngày tải lên : 14/02/2014, 22:20

... guide for healthcare professionals Information for people with metastatic colorectal cancer and their carers (‘Understanding NICE guidance’) Details of all the evidence that was looked at and other ... optimal sequence of FOLFOX and FOLFIRI as first- and second-line therapies, and were applied equally to treatment and control groups Costs were calculated from study data and augmented from a range ... reserved This material may be freely reproduced for educational and not -for- profit purposes No reproduction by or for commercial organisations, or for commercial purposes, is allowed without the...

34
853
0

Báo cáo y học: "Intra-articular hyaluronan (hyaluronic acid) and hylans for the treatment of osteoarthritis: mechanisms of action" pps

Ngày tải lên : 09/08/2014, 01:21

... temporomandibular joint N/A before and after injection of HA (2 injections weeks apart) Hirota et al., 1998 [72] Reduced levels of prostaglandins and leukotriene Experimental model; treatment ... IL-1, TNF-α, and MMPs, increase TIMP-1, and inhibit prostaglandin release [32,40] Local production of growth and differentiation factors such as insulin-like growth factor 1, transforming growth ... HA in the temporomandibular joint reduced levels of prostaglandin F2α, 6-keto-prostaglandin F1α, and leukotriene C4 [72] In synovial fluid from the knees of patients with OA and RA, intra-articular...

14
409
0

Biotechnology for waste and wastewater treatment n cheremisinoff

Ngày tải lên : 16/03/2014, 18:11

... CROPLAND, ENERGY, LAND RECLAMATION, LANDFILL, OCEAN DISPOSAL Figure Sludge treatment processes and their functions Biotechnology for Industrial and Municipal Wastes 23 RAW WASTEWATER i PRETREATMENT SLUDGE ... stabilization process, and the step aeration process Examples of these are given in Figure 8 Biotechnology for Waste and Wastewater Treatment Biotechnologyfor Industrial and Municipal Wastes AERATION ... soil and water bodies and more recently technically developed for specific applications, and uses organic and toxic materials as sources of energy and carbon While in the future, biological treatment...

243
405
0

Biotechnology for waste and wastewater treatment

Ngày tải lên : 16/03/2014, 18:11

... ENERGY, LAND RECLAMATION, LANDFILL, OCEAN DISPOSAL Figure Sludge treatment processes and their functions Content Biotechnology for Industrial and Municipal Wastes 23 RAW WASTEWATER i PRETREATMENT ... stabilization process, and the step aeration process Examples of these are given in Figure Content Biotechnology for Waste and Wastewater Treatment Content Biotechnologyfor Industrial and Municipal Wastes ... soil and water bodies and more recently technically developed for specific applications, and uses organic and toxic materials as sources of energy and carbon While in the future, biological treatment...

245
928
1

Market analysis and developing a competitive marketing strategy for selling medical solid waste wastewater treatment equipment to customers in vietnam

Ngày tải lên : 23/07/2014, 03:36

... urgent and large demand for hazardous medical solid waste and wastewater treatment equipment in Vietnam marketplace Plus, the Vietnamese Ministry of Health just took a loan of $150 million for a ... decision making process by which formal organizations establish the need for purchased products and services and identify, evaluate, and choose among alternative brands and suppliers (Kotler, et al., ... Fluctuating demand – The demand for business goods and services tends to be more volatile A percentage increase in customer demand can lead to a far larger percentage rise in business demand  Geographically...

254
590
2

ENCYCLOPEDIA OF ENVIRONMENTAL SCIENCE AND ENGINEERING - SMALL FLOW WASTEWATER TREATMENT TECHNOLOGY FOR DOMESTIC AND SPECIAL APPLICATIONS docx

Ngày tải lên : 10/08/2014, 20:20

... 1088 SMALL FLOW WASTEWATER TREATMENT TECHNOLOGY FOR DOMESTIC AND SPECIAL APPLICATIONS In recent years natural systems are also used for wastewater treatment from small establishments and sub-divisions ... sub-divisions Among these are land treatment, and natural and constructed wetland Information on natural system may be found in Refs 1, 4, 15–17, 23 and 24 POLAR REGIONS Waste handling in polar regions ... the venting stack Chemical and Biological Treatment Plants Wastewater treatment plants similar to those frequently used for land-base sewage treatment have been adopted for vessel use The mot successful...

12
439
0

MATHEMATICS MANUAL FOR WATER AND WASTEWATER TREATMENT PLANT OPERATORS - PART pps

Ngày tải lên : 11/08/2014, 13:22

... DEMAND, AND RESIDUAL Chlorine is a powerful oxidizer that is commonly used in wastewater and water treatment for disinfection and in wastewater treatment for odor control, bulking control, and ... activated biosolids treatment process is a “stream in a container.” In wastewater treatment, activated biosolids processes are used for both secondary treatment and complete aerobic treatment without ... processes For example, it is a very economical and dependable process for treatment of wastewater prior to discharge Capable of withstanding periodic shock loading, process energy demands are...

92
893
0

MATHEMATICS MANUAL FOR WATER AND WASTEWATER TREATMENT PLANT OPERATORS - PART 4 pdf

Ngày tải lên : 11/08/2014, 13:22

... residual, and biochemical oxygen demand (BOD) seeded tests, to name a few The standard reference for performing wastewater testing is contained in Standard Methods for the Examination of Water and Wastewater, ... Solids, and Volatile Solids Wastewater Suspended Solids and Volatile Suspended Solids Biosolids Volume Index (BVI) and Biosolids Density Index (BDI) WATER /WASTEWATER LAB Ideally, waterworks and wastewater ... to use for calculating test results Consult a laboratory testing reference manual (such as Standard Methods) for this information Of the two basic calculations for BOD, the ﬁrst is used for samples...

17
708
0

MATHEMATICS MANUAL FOR WATER AND WASTEWATER TREATMENT PLANT OPERATORS - PART 5 docx

Ngày tải lên : 11/08/2014, 13:22

... Operations (Water /Wastewater) (Problems to 342) Water Treatment Calculations (Problems to 457) Wastewater Treatment Calculations (Problems to 574) Laboratory Calculations (Water and Wastewater) (Problems ... January 31, 2004 6:09 PM 354 Mathematics for Water /Wastewater Treatment Plant Operators A replacement section of 10-inch pipe is to be sandblasted before it is put into service If the length ... 6:09 PM 360 Mathematics for Water /Wastewater Treatment Plant Operators 53 The total reading for the month of December was 134.6 MG What was the average daily ﬂow (ADF) for the month of September?...

225
669
0

MATHEMATICS MANUAL FOR WATER AND WASTEWATER TREATMENT PLANT OPERATORS - PART 1 potx

Ngày tải lên : 11/08/2014, 13:22

... waterworks /wastewater treatment operations and associated parameters and covers typical math concepts for waterworks /wastewater treatment unit process operations found in today’s waterworks /wastewater treatment ... worked in and around water /wastewater treatment and taught water /wastewater math for several years The author has sat at the table of licensure examination preparation boards to review, edit, and write ... Water Treatment Capacity Operating Time Salt and Brine Required General Softening Calculations Wastewater Treatment Calculations (Problems to 574) Wastewater Collection and Preliminary Treatment...

130
926
0

A new hybrid treatment system of bioreactors and electrocoagulation for superior removal of organic and nutrient pollutants from municipal wastewater

Ngày tải lên : 13/09/2015, 17:48

... surface waters, a number of wastewater treatment plants have adopted various treatment systems that can highly and simultaneously remove nitrogen and phosphorus from wastewater Among those, biological ... responsible for treating wastewater For example, Tandukar et al (2007) evaluated the performance of the down-flow hanging sponge (DHS), which was preceded by an up-flow anaerobic sludge blanket (UASB) for ... 90% and 85% for COD, TP and ammonia, respectively, with a solids residence time (SRT) of days Recently, Di Trapani et al (2011) Performance of a hybrid activated sludge/biofilm process for wastewater...

11
565
0

Báo cáo y học: "Inhalation with Fucose and Galactose for Treatment of Pseudomonas Aeruginosa in Cystic Fibrosis Patients"

Ngày tải lên : 03/11/2012, 11:48

... 5’-CCT TGG TCT GGT AGG AGA CG-3’ for the downstream primer PCR amplification for β-actin was performed for 36 cycles (1 at 94ºC, at 60ºC, 40 sec at 72ºC) and for TNFα for 40 cycles (1 at 94°C, at ... AGG CAC CA-3’ for the upstream primer and 5’-CTC CTT AAT GTC ACG CAC GAT TTC-3’ for the downstream primer TNFα utilized 5’-CAG AGG GAA GAG TTC CCC AG-3’ for the upstream primer and 5’-CCT TGG ... stated Figure 1: Sputum counts of P aeruginosa before (pre) and after (post) treatment with inhalation alone (p i.) or combined treatment with inhalation and i v antibiotics (p i + i v.) Mean+SEM *:...

6
618
0

Behavior of Nitrite Oxidizers in the Nitrification/Denitrification Process for the Treatment of Simulated Coke-Oven Wastewater

Ngày tải lên : 05/09/2013, 09:38

... One of them was for DNA extraction and was washed with TE buffer at pH8.0, and stored at -20oC Another was for FISH analysis and was stored at -80oC The extraction of DNA was performed with Fast ... #!!(),)## 1.23452/0267/8 '"# Figure Band intensities for Nitrobacter species While in Figure 4, the band intensities were high only in Runs and 7, and their band intensities were quite similar, ... performed with PCR and FISH By both of PCR and FISH analyses, only Nitrobacter species were detected The PCR result with FGPS primer set is shown in Figure The band intensitis were quantified, and...

8
572
0

Contact-Adsorption-Regeneration-Stabilization Process for the Treatment of Municipal Wastewater

Ngày tải lên : 05/09/2013, 09:38

... Project for Water Pollution Control (2008ZX07103-001 and 2008ZX07316-002), and the Anhui R&D Key Project (07010301022 and 08010302109) for the partial support of this study REFERENCES Standard ... Glen T D and Henry, C L (1999) Biological wastewater treatment: Second edition, Marcel Dekker, Inc Huang J C and Li L (2000) An innovative approach to maximize primary treatment performance Water ... increased with the decreasing temperature either for dried sludge (Zhou, 1992; Zhou and Banks, 1993) or for activated carbon (McCreary and Snoeyink, 1980) Therefore, it is hypothesized that there existed...

8
686
0

Multi-criteria Evaluation of Wastewater Treatment Scenarios for Small Towns in Developing Countries - Case Study of Toan Thang Town in Vietnam

Ngày tải lên : 05/09/2013, 10:15

... MCA-based framework as support for decision-makers and sanitation planners in searching for and identifying the most sustainable technical solution for wastewater treatment system in a local context ... qualitatively describe the performance of different small-town wastewater treatment systems, facilitating comparison of technical alternatives and providing valuable and understandable information to stakeholders ... the simple and incomplete sewerage system is often used concurrently for rainwater, wastewater and livestock wastewater disposal There is typically no proper wastewater collection or treatment...

23
779
0

Occurrence of Tetracycline-Resistant and Tetracycline- Degrading Bacteria in Wastewater Treatment Plant Effluent and Environmental Water Systems

Ngày tải lên : 05/09/2013, 10:15

... density and tetracycline degradation Table - Results of tetracycline degradation test for Unoke River water and wastewater treatment plant effluent Sample Volume Unoke River Water Wastewater Treatment ... heterotrophic bacteria in the Unoke River and the wastewater treatment plant effluent water samples was 375 CFU/mL and 885 CFU/mL, respectively The density of the wastewater treatment plant effluent sample ... 10 mg/L), wastewater treatment plant effluent (10 mg/L), and rain water (5 and 10 mg/L) More than 20% degradation was observed in all Lake Tedori water and Unoke River water samples and rain water...

7
546
0

Integration of energy and environmental systems in wastewater treatment plants

Ngày tải lên : 05/09/2013, 15:28

... water and wastewater treatment plants Dispose of sludge at sanitary landfills if testing shows sludge to be unsuitable for beneficial reuse Sludge or silt from wastewater pumping stations and wastewater ... Implement and enforce water and land protection zones Water stress/ insufficient water allocation Study water yields; draft and conclude allocation contract Damage to sewers or wastewater treatment ... floatation, sludge handling and disposal, and digester heating Wastewater treatment managers are attempting to include more energy intensive treatment processes over time which will allow wastewater facilities...

10
635
1

King County Solid Waste and Wastewater Treatment Utility Operations docx

Ngày tải lên : 06/03/2014, 23:20

... possible? This audit objective includes but is not limited to operational costs associated with solid waste collection, processing and disposal; and collection, treatment and conveyance of wastewater and sewage. The performance audit was also planned and performed to address the nine elements in Initiative 900 ... The WTD’s major facilities include the two regional treatment plants, the West Point and South Treatment Plants, as well as two smaller treatment plants on Vashon Island and in Carnation. The Brightwater Treatment Plant located in the northern part of the region is ... Preliminary treatment: where large debris and inorganic garbage are removed. • Primary treatment: where wastewaters are skimmed and gravity is settled. Solids are removed and sent to digesters for processing in an ...

147
299
0