This process, called sedimentation, is dependent on the physical properties of the solid matter and water. From Wordnik.com. [1. Historical development and experience with water treatment] Reference
Water treatments such as sedimentation and filtration can significantly reduce the number of pathogens in water. From Wordnik.com. [Chapter 15] Reference
And over time, the "sedimentation" of those choices can narrow our sense of the possible. From Wordnik.com. [Larvatus Prodeo] Reference
The team settled on the approach after two years 'trying to use gravity to assemble components through' sedimentation '. From Wordnik.com. [TG Daily] Reference
Conventional methods for water treatment such as sedimentation, sand filtration, flocculation and chlorination do not remove microcystins. From Wordnik.com. [EurekAlert! - Breaking News] Reference
1 There are other forms of degradation such as sedimentation or soil acidification. From Wordnik.com. [2.1. Factors in rainfall erosion] Reference
Remove of sludge in sedimentation tank if mechanical devices used. From Wordnik.com. [1. Water Supply] Reference
Seal off the lower ends of the sedimentation tubes in the Bunsen flame. From Wordnik.com. [The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged.] Reference
When flocculation precedes sedimentation, higher velocities may be appropriate. From Wordnik.com. [3. Technologies] Reference
This fact fits in very nicely with the influence of temperature on sedimentation. From Wordnik.com. [Transactions of the American Society of Civil Engineers, vol. LXXII, June, 1911 Water Purification Plant, Washington, D. C. Results of Operation.] Reference
They are polluted mostly by sedimentation, by nutrients and harmful microorganisms. From Wordnik.com. [Press Briefing By Carol Browner And Elgie Holstein] Reference
After stirring, flocculation and sedimentation, the optimal pH-value is determined from the samples. From Wordnik.com. [3. Technologies] Reference
Even properly designed and operated sedimentation tanks will separate only part of the suspended solids. From Wordnik.com. [1. Historical development and experience with water treatment] Reference
Let us then copy nature and construct an artificial aquifer by filling a sedimentation tank with gravel. From Wordnik.com. [1. Historical development and experience with water treatment] Reference
A sedimentation tankard two slow sand filters were installed right from the beginning to treat the raw water. From Wordnik.com. [1. Historical development and experience with water treatment] Reference
An estimate of the proportions of the various size fractions can be obtained using the sedimentation jar test. From Wordnik.com. [Chapter 5] Reference
Roughing filtration mainly separates the fine solids which are not retained by the preceding sedimentation tank. From Wordnik.com. [1. Historical development and experience with water treatment] Reference
In two cases, the preliminary treatment was rapid filtration, while the third consisted of sedimentation and coagulation. From Wordnik.com. [Transactions of the American Society of Civil Engineers, vol. LXXII, June, 1911 Water Purification Plant, Washington, D. C. Results of Operation.] Reference
These can be determined in a sedimentation test using a transparent test tube; for additional information consult Annex 1. From Wordnik.com. [1. Historical development and experience with water treatment] Reference
Explain the processes employed for the removal of mechanical impurities of water by sedimentation and the use of chemicals. From Wordnik.com. [Human Foods and Their Nutritive Value] Reference
Simple sedimentation by means of passing water through a settling tank does not achieve a significant removal of pathogens. From Wordnik.com. [3. Technologies] Reference
Addition of coagulant to inflowing water prior to sedimentation; flocs are retained by the filter; backwashing is difficult. From Wordnik.com. [3. Technologies] Reference
The filter acts as multi-storage sedimentation basin since it provides a large surface area to accumulate the settled matter. From Wordnik.com. [1. Historical development and experience with water treatment] Reference
Mechanical sedimentation and filtration greatly improve waters of this class, but do not necessarily render them entirely pure. From Wordnik.com. [Human Foods and Their Nutritive Value] Reference
Potomac River, and persisted in the water supplied to the filters even after about four days of sedimentation in the reservoirs. From Wordnik.com. [Transactions of the American Society of Civil Engineers, vol. LXXII, June, 1911 Water Purification Plant, Washington, D. C. Results of Operation.] Reference
Inorganic matter larger than about 20 mm (0.02 mm) can usually be removed by plain sedimentation and without the use of chemicals. From Wordnik.com. [1. Historical development and experience with water treatment] Reference
Slow sand filters usually face serious operational problems when chemical flocculation and sedimentation are used as pretreatment. From Wordnik.com. [1. Historical development and experience with water treatment] Reference
The solids removal efficiency of a sedimentation tank depends mainly on the hydraulic surface load, tank depth, and retention time. From Wordnik.com. [1. Historical development and experience with water treatment] Reference
Erosion and sedimentation, particularly from urban and industrial sources, will be of concern in these State programs, and in fact some. From Wordnik.com. [The Nation's River A report on the Potomac from the U.S. Department of the Interior] Reference
In rural water supply schemes, use of chemicals to enhance sedimentation by flocculation is difficult and, therefore, quite unreliable. From Wordnik.com. [1. Historical development and experience with water treatment] Reference
The sedimentation tank was of sufficient size, when compared with the area of the experimental slow sand filter, to represent the Georgetown and. From Wordnik.com. [Transactions of the American Society of Civil Engineers, vol. LXXII, June, 1911 Water Purification Plant, Washington, D. C. Results of Operation.] Reference
Pasteur pipettes fitted with india-rubber teats will also be found useful for sedimentation tests when dealing with minute quantities of serum, etc. From Wordnik.com. [The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged.] Reference
~sedimentation tubes 5×0. 5~ cm., for sedimentation reactions, etc., and for containing small quantities of fluid to be centrifugalised in the hæmatocrit. From Wordnik.com. [The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged.] Reference
Potomac States as throughout the country, but for maximum value in relieving sedimentation they are going to need much wider and more intensive application. From Wordnik.com. [The Nation's River A report on the Potomac from the U.S. Department of the Interior] Reference
Drinking water may be purified by aëration, or by straining, boiling and subsequent sedimentation and removal of the sediment by filtration through fresh and clean sand. From Wordnik.com. [Gilbertus Anglicus Medicine of the Thirteenth Century] Reference
The massive eatings of powered blades and scoops to get at coal and other minerals on the steep slopes of the North Branch watershed and elsewhere, add heavily to sedimentation. From Wordnik.com. [The Nation's River A report on the Potomac from the U.S. Department of the Interior] Reference
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