The present invention relates to a process for the preparation of a zeolitic material having a CHA-type framework structure comprising YO.sub.2 and X.sub.2O.sub.3, wherein said process comprises the steps of: (1) providing a mixture comprising one or more sources for YO.sub.2, one or more sources for X.sub.2O.sub.3, one or more tetraalkylammonium cation R.sup.1R.sup.2R.sup.3R.sup.4N.sup.+-containing compounds, and one or more tetraalkylammonium cation R.sup.5R.sup.6R.sup.7R.sup.8N.sup.+-containing compounds as structure directing agent; (2) crystallizing the mixture obtained in step (1) for obtaining a zeolitic material having a CHA-type framework structure; wherein Y is a tetravalent element and X is a trivalent element, wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, and R.sup.7 independently from one another stand for alkyl, and wherein R.sup.8 stands for cycloalkyl, as well as to zeolitic materials which may be obtained according to the inventive process and to their use.

A method of acid manufacturing using acid cation resins for recycling salt and/or salt products from wastes and/or waste waters utilizes a brine solution, an acid cation resin, an acid solution, and an ion exchanger. The acid cation resin is into hydrogen form with the acid solution within the ion exchanger. The acid cation resin is then washed using water with salinity to remove any excess acid from the exterior of the acid cation resin. A selected brine of salts is then prepared of the desired acid(s) to be produced. The desired acid is produced by contacting the acid cation resin containing cations in concentration with the selected brine. A second ion exchange reaction is executed to substitute hydrogen for cations in the selected brine.

A method of acid manufacturing using acid cation resins for recycling salt and/or salt products from wastes and/or waste waters utilizes a brine solution, an acid cation resin, an acid solution, and an ion exchanger. The acid cation resin is into hydrogen form with the acid solution within the ion exchanger. The acid cation resin is then washed using water with salinity to remove any excess acid from the exterior of the acid cation resin. A selected brine of salts is then prepared of the desired acid(s) to be produced. The desired acid is produced by contacting the acid cation resin containing cations in concentration with the selected brine. A second ion exchange reaction is executed to substitute hydrogen for cations in the selected brine.

A method of acid manufacturing using ion exchange resin allows for the production of acids on location where the acid is being utilized to prevent the necessity of transporting the acid. An ion exchange medium provides a medium for substituting hydrogen ions for salt cations within a salt solution in order to protonate the salt solution. As the salt solution becomes protonated to form an acid solution from the respective salt anion as the concentration of hydrogen increases. The ion exchange medium is recharged with a hydrogen ion source solution. The ion exchange resin is safe to transport even while charged with hydrogen ions.

A method of acid manufacturing using ion exchange resin allows for the production of acids on location where the acid is being utilized to prevent the necessity of transporting the acid. An ion exchange medium provides a medium for substituting hydrogen ions for salt cations within a salt solution in order to protonate the salt solution. As the salt solution becomes protonated to form an acid solution from the respective salt anion as the concentration of hydrogen increases. The ion exchange medium is recharged with a hydrogen ion source solution. The ion exchange resin is safe to transport even while charged with hydrogen ions.

The present invention relates to novel microporous zirconium silicate compositions that are formulated to remove toxins, e.g. potassium ions, from the gastrointestinal tract at an elevated rate without causing undesirable side effects. The preferred formulations are designed avoid increase in pH of urine in patients and/or avoid potential entry of particles into the bloodstream of the patient. Also disclosed is a method for preparing high purity crystals of UZSi-9 exhibiting an enhanced level of potassium exchange capacity. These compositions are particularly useful in the therapeutic treatment of hyperkalemia.

The present invention relates to novel microporous zirconium silicate compositions that are formulated to remove toxins, e.g. potassium ions, from the gastrointestinal tract at an elevated rate without causing undesirable side effects. The preferred formulations are designed avoid increase in pH of urine in patients and/or avoid potential entry of particles into the bloodstream of the patient. Also disclosed is a method for preparing high purity crystals of UZSi-9 exhibiting an enhanced level of potassium exchange capacity. These compositions are particularly useful in the therapeutic treatment of hyperkalemia.

The present disclosure provides Molecularly Imprinted Polymer (MIP) technology for selectively sequestering one or more target molecules from chemical mixtures. Also disclosed herein are MIP beads and methods of making and using thereof.

The present disclosure provides Molecularly Imprinted Polymer (MIP) technology for selectively sequestering one or more target molecules from chemical mixtures. Also disclosed herein are MIP beads and methods of making and using thereof.

The invention relates to a solid porous article containing sub-micron functional additive particles held together using discrete sub-micron polymer binder particles. The porous article preferably also contains a majority of primary active particles in the 1 to 300 micron range. The solid porous articles are used to separate, precipitate, and/or trap components of a fluid that passes through the porous article. The solid porous articles are used to separate and trap components of a fluid that passes through the porous article. Preferred binders are polyvinylidene fluoride resins, such as Kyblock? resins from Arkema Inc.