8 Water/Wastewater Online TOC Analysis Meets New Methods of Communication
Shimadzu (Germany), has released the new TOC-4200 online analyser. It represents a new generation that offers the ability to use new modes of communication. The TOC-4200 covers features such as web-based monitoring and Modbus protocol for two-way digital communication, and it offers new functionality that provides a wider range of potential applications.
Modbus two-way digital communication capability enables controlling two-way communication for multiple devices over a single integrated signal line, which also simplifies electrical wiring work. This allows connecting to two-way communication networks. The optional web-based monitoring function allows monitoring the measurement data or status of instruments from any network- connected computer in the world.
The eco mode reduces waste by only using carrier gas and operating the sampling pump when it is needed for measurements. Maintenance costs are cut by Shimadzu's unique multifunctional sample processing injection system reducing part count by integrating functions into an 8-port valve and syringe pump. Offline measurements can be performed by interrupting online measurements without stopping them.
The TOC-4200 helps to prevent measurement interruption due to the running out of reagents or other consumables by providing notifica-tion through the communication methods such as screen and contact output when the replacement period approaches. Measurement data and calibration history can be stored in the instrument up to one year. Stored data can be removed via USB memory and valuable measurement data can be backed up inside the instrument.
An optional high-sensitivity kit enables measurements of samples with TOC concentrations below 1 mg C/L, such as underground water, public drinking water, or recovered deionised water from semiconductor manufacturing. The high-salt sample combustion tube kit significantly increases the period between maintenance, by about 10 times, when measuring sea water or other samples containing high salt levels. Adding the TN measurement option permits total nitrogen (TN) measurement with catalytic combustion and chemilu-minescence detection.
Reader Reply Card No. 25
Take a look at our website
www.envirotech-online.com
New Analysers offers Online Monitoring of COD and Ammonia
Tethys Instruments’s (France) UV400 analyser provides efficient measurement of COD and ammonia in surface water. The UV400 is based on UV absorbance and FFT after scanning absorbance waves, this technology ensures the online monitoring COD and ammonia is accessible and reliable.
One of Tethys Instruments’s customers, Landmark Water Environmental Engineering & Technology Ltd. Co. (圳兰境技有限), has used the UV400 analyser with COD and Ammonia successfully for monitoring surface water during last year. This monitoring was so efficient that this company achieved the protecting environment award of Shenzhen townspeople in 2011（2011圳奖者）from the Shenzhen City Government.
The UV400 analyser offers the possibility of measuring, by UV spectroscopy, several parameters including; organic matter, nitrate,
ammonia, hydrocarbons, H2S, chlorophyll A and rhodamine. It can also scan the sample between 180 and 800 nm. This method is well- known for its unparalleled reliability and good stability with an extremely low operating cost.
Landmark Water Environmental Engineering & Technology Ltd. Co. chose COD and ammonia as the primary monitoring parameters with UV400 analyser, and applied the measured data to the 'Integrated System of Dividing Quality to Discharge Surface Water On Line' for rivers, lakes and reservoirs around Shenzhen City. The item is serviced for water and human settlements at Shenzhen City.
The UV400 analyser covers a very low measuring range in this case: COD: 0.01- 100.00 mg/l, the measurement values are usually below 10 mg/l; Ammonia: 0.01 - 100.00 mg/l, the measurement values are usually below 5 mg/l.
Reader Reply Card No.
On-Site Measurement of Oil and Grease Levels in Hydraulic Fracturing Water
The amount of water used in and produced by hydraulic fracturing of shale gas wells is in the millions of gallons per well. Whether the water is going to be taken off-site for disposal or reused for re-injection, the flowback or produced water needs pretreatment to remove any residual oil from the water. Waiting for remote laboratory results to determine the oil level can take several days to a week.
The InfraCal TOG/TPH Analysers from Wilks Enterprise (USA) allow for oil in water testing at the well site in less than 10-15 minutes. The sampling requires a few simple steps that can be performed by non-technical personnel. The water is mixed with the extraction solvent, shaken, and then presented to the InfraCal Analyser for measurement. The same InfraCal TOG/TPH Analyser can be used for measuring total petroleum hydrocarbons (TPH) in soil if a spill or pond leak occurs to determine the contaminated area.
This type of measurement is not new as infrared measurement of oil and grease levels in produced water has been used in the petroleum industry on highly regulated off-shore and on-shore oil platforms for well over 30 years. The InfraCal TOG/TPH Analysers are used worldwide for this particular type of measurement.
InfraCal TOG/TPH Analysers offer a simple and quick measurement procedure that can help operators ensure the oil/water separator is working properly before it creates a sheen on an evaporation pond or before the water undergoes further treatment for reinjection. Operators can easily assess their system’s efficiency and adjust parameters without waiting a week for an off-site laboratory result.
Reader Reply Card No. 28 AET Annual Buyers’ Guide 2012
www.envirotech-online.com Reader Reply Card No. 27 26
Page 1 |
Page 2 |
Page 3 |
Page 4 |
Page 5 |
Page 6 |
Page 7 |
Page 8 |
Page 9 |
Page 10 |
Page 11 |
Page 12 |
Page 13 |
Page 14 |
Page 15 |
Page 16 |
Page 17 |
Page 18 |
Page 19 |
Page 20 |
Page 21 |
Page 22 |
Page 23 |
Page 24 |
Page 25 |
Page 26 |
Page 27 |
Page 28 |
Page 29 |
Page 30 |
Page 31 |
Page 32 |
Page 33 |
Page 34 |
Page 35 |
Page 36 |
Page 37 |
Page 38 |
Page 39 |
Page 40 |
Page 41 |
Page 42 |
Page 43 |
Page 44 |
Page 45 |
Page 46 |
Page 47 |
Page 48 |
Page 49 |
Page 50 |
Page 51 |
Page 52 |
Page 53 |
Page 54 |
Page 55 |
Page 56 |
Page 57 |
Page 58 |
Page 59 |
Page 60 |
Page 61 |
Page 62 |
Page 63 |
Page 64 |
Page 65 |
Page 66 |
Page 67 |
Page 68 |
Page 69 |
Page 70 |
Page 71 |
Page 72 |
Page 73 |
Page 74 |
Page 75 |
Page 76 |
Page 77 |
Page 78 |
Page 79 |
Page 80 |
Page 81 |
Page 82 |
Page 83 |
Page 84 |
Page 85 |
Page 86 |
Page 87 |
Page 88 |
Page 89 |
Page 90 |
Page 91 |
Page 92 |
Page 93 |
Page 94 |
Page 95 |
Page 96 |
Page 97 |
Page 98 |
Page 99 |
Page 100
