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US3701417A - Purification of clay by selective ...

To remove a colored titania impurity from kaolin clay, the impure clay is formed into a well-deflocculated aqueous slip. A small amount of a soluble source of polyvalent cations, e.g., calcium chloride, is dissolved in the slip. An anionic organic polyelectrolyte is added and the slip is agitated until titaniarich flocs form and settle out from the deflocculated slip.

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PROCESS FOR PURIFYING CLAY BY SELECTIVE FLOCCULATION ...

An improved method for purifying kaolin clay containing colored impurities by forming a deflocculated aqueous slip of the impure clay and selectively flocculating the clay phase with an anionic polymeric flocculant, such as partially hydrolyzed polyacrylamide. ... removing grit from the suspension by sedimentation, increasing the pH of said ...

Purification Water Process | Baltimore City Department of ...

Removal of particles in the sedimentation basin improves the operation of the filters that comprise the next treatment process after sedimentation. The sedimentation process removes many particles including clay and silt based turbidity, natural organic matter, and other associated impurities. ... The last step in purifying the water is ...

How to Filter Out Colloidal Clay From Well Water | Hunker

Filtering colloidal clay from your water can be a difficult feat to achieve. The extremely fine particles can lead to cloudy well water and cannot be removed with standard filters. Typical sediment filters of 30 microns will probably not be adequate.

Settling Behaviour and Clay Mineralogy | Request PDF

Request PDF | Settling Behaviour and Clay Mineralogy | Sedimentary soils are formed due to the process of settling of soil particles in suspension. The settling process is physico-chemical in ...

(PDF) Sedimentation of Clays Prior to Ceramic Production

Sedimentation behaviours of clay mixtures and kaolin, taken from Kalemaden A.Ş., prior to being used in the ceramic production, were investigated. The effects of pulp density, flocculant addition ...

Purification Water Process | Baltimore City Department of ...

To remove a colored titania impurity from kaolin clay, the impure clay is formed into a well-deflocculated aqueous slip. A small amount of a soluble source of polyvalent cations, e.g., calcium chloride, is dissolved in the slip. An anionic organic polyelectrolyte is added and the slip is agitated until titaniarich flocs form and settle out from the deflocculated slip.

Geologic units containing Clay or mud - USGS

Geologic units containing Clay or mud. Earth material. Unconsolidated material. Clay or mud. A loose, earthy, extremely fine-grained, natural sediment composed primarily of clay-size or colloidal particles and characterized by high plasticity and by a considerable content of clay minerals... This category is also used for Clay, mud and mud .

Purification of Natural Clays - ScienceDirect

Jan 01, 2013· Jan 01, 2013· The raw clay is carefully dispersed in 1 M NaCl solution by shaking for about 12 h, and separated by centrifugation. This procedure is repeated several times (at least five times for Ca +-saturated clays). 7.1.3.2. Washing. The sediment of the Na +-exchanged clay mineral is washed with water. As long as the clay minerals can be separated by ...

Processing Clay the Easy Way - Practical Primitive

Clay is lighter, and floats above the heavier sediment. Look carefully as the mixture begins to settle and you will see a color change that indicates where the suspended clay particles and sediments meet. This "clay water" is what you want to keep. Pour off the clay water into a separate container.

Sedimentation (centralised) | SSWM - Find tools for ...

Sedimentation is a simple, physical pre-treatment of water prior to application of other purification treatments such as filtration and disinfection. It removes undesirable small particulate suspended matter (sand, silt and clay) and some biological contaminants from water under the influence of gravity.

Ganges - Wikipedia

Coordinates. The Ganges (/ ˈ ɡ æ n dʒ iː z / GAN-jeez) or Ganga (/ ˈ ɡ ʌ ŋ ɡ ə / GUNG-gə, Hindustani: [ˈɡəŋɡaː]) is a trans-boundary river of Asia which flows through India and Bangladesh.The 2,525 km (1,569 mi) river rises in the western Himalayas in the Indian state of Uttarakhand, and flows south and east through the Gangetic plain of North India into Bangladesh, where it ...

SEDIMENTATION METHOD USED IN PURIFYING USED …

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US3837482A - Process for purifying clay by selective ...

An improved method for purifying kaolin clay containing colored impurities by forming a deflocculated aqueous slip of the impure clay and selectively flocculating the clay phase with an anionic polymeric flocculant, such as partially hydrolyzed polyacrylamide. A suspension of the impure clay is rendered strongly alkaline by addition of a soluble hydroxide compound before adding a strong ...

Sedimentation - Wikipedia

Sedimentation is the tendency for particles in suspension to settle out of the fluid in which they are entrained and come to rest against a barrier. This is due to their motion through the fluid in response to the forces acting on them: these forces can be due to gravity, centrifugal acceleration, or electromagnetism.. In geology, sedimentation is often described as the opposite of erosion, i ...

4. Physical removal processes: sedimentation and filtration

the larger clay particles. Most viruses and bacteria and fine clay particles are too small to be settled out by simple gravity sedimentation. Therefore, microbial reductions by plain sedimentation or gravity settling are often low and inconsistent. Overall reductions of viruses and bacteria by sedimentation rarely exceed 90%, but