Ion exchange between solids and solutions

Walton, Harold F.

doi:10.1016/s0016-0032(41)90570-7

Cited by 23 publications

(13 citation statements)

References 38 publications

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“…Shaking Time -min. num content of the gel will increase, but it is probable that not alI of the alumina remaining after much silica has been removed from the gel will be an active part of the zeolite structure (1,19). Some alumina may, instead, tie up exchange spots or precipitate in the exchanger pores, causing a clog-nating substances from the water before zeolite treatment.…”

Section: Salts In Watermentioning

confidence: 99%

Operating Characteristics of Synthetic Siliceous Zeolite

Streicher¹,

Pearson²,

Bowers³

1947

Journal AWWA

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Section: Salts In Watermentioning

confidence: 99%

Operating Characteristics of Synthetic Siliceous Zeolite

Streicher¹,

Pearson²,

Bowers³

1947

Journal AWWA

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“…Of this group, the clay minerals, zeolites, and miscellaneous silicates are of primary interest to this report. For a general discussion on various types of ion-exchange materials, the reader is referred to Walton (1941) and Kunin (1958).…”

Section: Cation Exchange Materialsmentioning

confidence: 99%

Ion-exchange minerals and disposal of radioactive wastes-- A survey of literature

Robinson¹

1962

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Ion-exchange property of minerals.______________________________ 2 Radioactive waste disposal____________________________________ 3 Acknowledgements-___________________________________________ 4 Adsorption and ion exchange: General.______________________________ Colloid science ________________________________________________ 4 Colloids defined._______________________.__.______^___^___ 5 Classification of colloids.___________________________________ 5 Size of colloidal particles.__________________________________ 5 Examples of colloids.______________________________________

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“…With the zeolites tested, it has been determined that the optimum brine concentration for new mineral should be about 5-6 per cent at a brine contact time of 20-30 minutes. After the mineral has been used for a consider- material without causing an exchange of ions (3). Conversely, the rate of flow may be so fast that there is not time for the exchange reaction to take place before the brine is removed from the unit by the rinse water.…”

Section: Brine Contact Timementioning

confidence: 99%

“…The hydraulic characteristics of the material have shown of the district softening plant upflow units, This unit showed a 15 per cent higher exchange capacity and a slightly lower salt consumption than the test unit with the same resin, due primarily to the greater efficiency of upflow operation, A recent economic study, comparing the polystyrene resin in the plant unit with the average of the zeolites used in softening plant operation, provided the data shown in Fig. 6, The following items were given consideration: [I] cost of exchange material; [2] cost of salt for regeneration; [3] cost of sodium silicate addition where required; and [4] value of the regeneration water lost. The unit charges for these items are listed in Table 5.…”

Section: Economic Considerationsmentioning

confidence: 99%