PDF Publication Title:
Text from PDF Page: 081
9.226 Irrigation. - Irrigation has been considered for disposal of nanofiltration concentrates. Crops cannot generally tolerate high salinity irrigation water. If the salinity is low though, as with softening concentrates, and the water is mixed with freshwater, it may be usable for irrigation on some salt tolerant crops. Table 9.2 lists threshold levels of irrigation water salinity for several crops. The levels are based on the conductivity of saturated soil extract from the root zone. A factor of 64011.5 was used to convert the conductivity of soil extract in deciSiemens/meter to irrigation water salinity in mg/L. These are levels above which yields begin to decrease linearly with increased salinity. Drainage must be considered as well. If drainage is inadequate, the threshold will be reached with a lower TDS irrigation water. Because plants are capable of concentrating minerals from the soil, irrigation water should not contain excessive amounts of toxic metals. Table 9.3 lists guidelines for maximum trace element levels in irrigation water. Generally, if the concentrate meets these guidelines for TDS and trace element levels undiluted, it will be adequate for irrigation when mixed with freshwater. Once the suitability of the water is established, the potential impacts of introducing the concentrate to the existing irrigation distribution and retention system must be evaluated. For instance, if the concentrate is discharged into an irrigation canal, will enough freshwater be there to dilute it sufficiently? Will aquatic organisms experience adverse impacts: will the canal experience adverse impacts? Impacts on ground water beyond the projected zone of discharge must be considered. Finally, potential impacts on the system that receives the excess blended water and runoff from the irrigation system must evaluated (Edwards and Bowdoin, 1990). Table 9.2. - TDS threshold levels in applied irrigation water. Crop Maximum L&tlEe 555 con00 Lint 3295 Carrots 427 Wheat 2560 TDS Crop Maximum TDS Alfalfa 853 Grapes, table 640 Cantaloupe 1422 Dates 1707 Sugar Beets 2987 Lemons 766 Beans 427 Cabbage 766 Peppers 640 Spinach 953 Sweet Potato 640 Berries/Plums 640 Avocados 427 Oranges Grapefruit Onions COUl Celery Potatoes Strawberries Almonds Peaches 725 766 512 726 769 725 427 640 725 (Source: Lehman. Milliken, & Darn, 1966, p.23)PDF Image | DESALTING AND WATER TREATMENT MEMBRANE
PDF Search Title:
DESALTING AND WATER TREATMENT MEMBRANEOriginal File Name Searched:
desalting-water-treatment-manual.pdfDIY PDF Search: Google It | Yahoo | Bing
NFT (Non Fungible Token): Buy our tech, design, development or system NFT and become part of our tech NFT network... More Info
IT XR Project Redstone NFT Available for Sale: NFT for high tech turbine design with one part 3D printed counter-rotating energy turbine. Be part of the future with this NFT. Can be bought and sold but only one design NFT exists. Royalties go to the developer (Infinity) to keep enhancing design and applications... More Info
Infinity Turbine IT XR Project Redstone Design: NFT for sale... NFT for high tech turbine design with one part 3D printed counter-rotating energy turbine. Includes all rights to this turbine design, including license for Fluid Handling Block I and II for the turbine assembly and housing. The NFT includes the blueprints (cad/cam), revenue streams, and all future development of the IT XR Project Redstone... More Info
Infinity Turbine ROT Radial Outflow Turbine 24 Design and Worldwide Rights: NFT for sale... NFT for the ROT 24 energy turbine. Be part of the future with this NFT. This design can be bought and sold but only one design NFT exists. You may manufacture the unit, or get the revenues from its sale from Infinity Turbine. Royalties go to the developer (Infinity) to keep enhancing design and applications... More Info
Infinity Supercritical CO2 10 Liter Extractor Design and Worldwide Rights: The Infinity Supercritical 10L CO2 extractor is for botanical oil extraction, which is rich in terpenes and can produce shelf ready full spectrum oil. With over 5 years of development, this industry leader mature extractor machine has been sold since 2015 and is part of many profitable businesses. The process can also be used for electrowinning, e-waste recycling, and lithium battery recycling, gold mining electronic wastes, precious metals. CO2 can also be used in a reverse fuel cell with nafion to make a gas-to-liquids fuel, such as methanol, ethanol and butanol or ethylene. Supercritical CO2 has also been used for treating nafion to make it more effective catalyst. This NFT is for the purchase of worldwide rights which includes the design. More Info
NFT (Non Fungible Token): Buy our tech, design, development or system NFT and become part of our tech NFT network... More Info
Infinity Turbine Products: Special for this month, any plans are $10,000 for complete Cad/Cam blueprints. License is for one build. Try before you buy a production license. May pay by Bitcoin or other Crypto. Products Page... More Info
| CONTACT TEL: 608-238-6001 Email: greg@infinityturbine.com | RSS | AMP |