Science

Compaction and erosion ‘a serious threat’ to UK farm soils

Compaction and erosion ‘a serious threat’ to UK farm soils

About 6m hectares of farm soils in England and Wales are at risk of compaction or erosion, according to an Environment Agency (EA) study. Intensive agriculture has caused arable soils […]

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Water Treatment Terms……The Letters XY and Z

Water Treatment Terms……The Letters XY and Z

X-RAYS: Electromagnetic radiation with a very short wavelength (0.01 to 12 nanometres), shorter than ultraviolet radiation. YIELD: the amount of product water produced by a water treatment process. ZEOLITES: Hydrated […]

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Water Treatment Terms………The Letter W

Water Treatment Terms………The Letter W

WASTEWATER: The liquid-borne waste products of domestic, industrial, agricultural and manufacturing activities. In a community, an Average of 50 to 100 gallons of wastewater is generated per person per day. […]

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Water Treatment Terms………The Letter V

Water Treatment Terms………The Letter V

VACUUM DISTILLATION: Distillation that occurs at a pressure somewhat below atmospheric pressure. Lowering the pressure also lowers the boiling point of water, thus conserving energy by requiring less heat to […]

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Water Treatment Terms…………….The Letter U

Water Treatment Terms…………….The Letter U

ULTRAFILTRATION (UF): is a type of membrane filtration that separates suspended solids and solutes of high molecular from a liquid and low molecular weight solutes. This separation process is used […]

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Water Treatment Terms………….The Letter T

Water Treatment Terms………….The Letter T

TASTE THRESHOLD: The minimum concentration of a chemical or biological substance which can just be tasted. TCE: trichloroethene TDS: total dissolved solids. TEFLON: The trade name of a high temperature […]

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Water Treatment Terms……….The Letter S

Water Treatment Terms……….The Letter S

SAFE WATER: see potable water. SALINE: Consisting of, or containing salt. SALT WATER: The general term for all water over 1,000 ppm (mg/L) total dissolved solids. SAND FILTER: The oldest […]

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Water Treatment Terms………..The Letter R

Water Treatment Terms………..The Letter R

RADIAL FLOW: The flow pattern in which water flows from the outside of a filter element to the center core. RADICAL: A group of atoms acting as a single atom […]

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Water Treatment Terms………..The Letters P and Q

Water Treatment Terms………..The Letters P and Q

PARTICLE: A very tiny, separate subdivision matter. PARTICLE FILTRATION: Filtration of particles in the size range of 2 microns or larger in diameter. Particle filtration is typically handled by cartridge […]

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Water Treatment Terms……..The Letter O

Water Treatment Terms……..The Letter O

OHM:  Unit of Resistivity.  See “Resistivity”. OPERATING PRESSURE: The manufacture’s specific range of pressure expressed in pounds per square inch (psi) within which a water processing device or water system […]

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