# US 2025/0367656 A1 · Apparatus for Forming and Testing Inorganic Salts

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- Number: US 2025/0367656 A1
- Document ID: US20250367656A1
- Status: Published application
- Kind: A1
- Application number: 19/298,575
- Filed: 2025-08-13
- Published: 2025-12-04
- Earliest claimed: 2022-07-07
- Assignees: Saudi Arabian Oil Company
- Applicants: Saudi Arabian Oil Company
- Inventors: Hamad Al Saiari; Christian Canto Maya; Hassan Alshahdood
- Web page: https://patentgrep.com/patent/US20250367656A1

## CPC

- B01L 3/502: {with fluid transport, e.g. in multi-compartment structures}
- G01N 1/14: Suction devices, e.g. pumps; Ejector devices
- G01N 1/38: Diluting, dispersing or mixing samples
- G01N 1/4022: {by thermal techniques; Phase changes}
- G01N 1/4055: {by solubility techniques}
- G01N 1/44: Sample treatment involving radiation, e.g. heat
- G01N 23/20: by using diffraction of the radiation by the materials, e.g. for investigating crystal structure; by using scattering of the radiation by the materials, e.g. for investigating non-crystalline materials; by using reflection of the radiation by the materials
- B01L 2200/026: Fluid interfacing between devices or objects, e.g. connectors, inlet details
- B01L 2200/10: Integrating sample preparation and analysis in single entity, e.g. lab-on-a-chip concept
- B01L 2200/16: Reagents, handling or storing thereof
- B01L 2300/0681: Filter
- B01L 2300/14: Means for pressure control
- B01L 2300/1805: Conductive heating, heat from thermostatted solids is conducted to receptacles, e.g. heating plates, blocks
- B01L 2400/049: vacuum
- B01L 2400/0633: with moving parts
- G01N 2001/386: {Other diluting or mixing processes}
- G01N 2001/4061: {Solvent extraction}
- G01N 2001/4088: {filtration}
- G01N 2223/056: diffraction
- B01L: CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- G01N: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (measuring or testing apparatus or processes other than immunoassay, involving enzymes or microorganisms C12M, C12Q)

## Abstract

A method for testing salt formation includes heating, by a first heater of an apparatus, an anion solution arranged in a first vessel of the apparatus to a first predetermined temperature and heating, by a second heater of the apparatus, a cation solution arranged in a second vessel of the apparatus to a second predetermined temperature. The method also includes conveying, by a fluid pump of the apparatus, a volume of the anion solution from the first vessel to the second vessel and simultaneously rotating a stirrer arranged in the second vessel to form a mixed solution. The method includes conveying the mixed solution from the second vessel of the apparatus to a sampler of the apparatus.

## Claims

### Claim 1

A method comprising:
heating, by a first heater of an apparatus, an anion solution arranged in a first vessel of the apparatus to a first predetermined temperature and heating, by a second heater of the apparatus, a cation solution arranged in a second vessel of the apparatus to a second predetermined temperature,
conveying, by a fluid pump of the apparatus, a volume of the anion solution from the first vessel to the second vessel and simultaneously rotating a stirrer arranged in the second vessel to form a mixed solution,
conveying the mixed solution from the second vessel of the apparatus to a sampler of the apparatus.

### Claim 2 (depends on 1)

The method of claim 1, wherein the mixed solution comprises a precipitated salt and a mixed fluid.

### Claim 3 (depends on 2)

The method of claim 2, the method further comprising separating the precipitated salt from the mixed fluid by a filter arranged of the sampler.

### Claim 4 (depends on 3)

The method of claim 3, wherein the filter is removable from the sampler.

### Claim 5 (depends on 2)

The method of claim 2, further comprising analyzing, by a computer system of the apparatus, properties of the precipitated salt.

### Claim 6 (depends on 2)

The method of claim 2, further comprising analyzing, by a computer system of the apparatus, properties of the mixed fluid.

### Claim 7 (depends on 1)

The method of claim 1, further comprising analyzing, by a computer system of the apparatus, properties of the mixed solution.

### Claim 8 (depends on 1)

The method of claim 1, wherein heating, by the first heater of the apparatus, the anion solution arranged in the first vessel of the apparatus to the first predetermined temperature and heating, by the second heater of the apparatus, the cation solution arranged in the second vessel of the apparatus to the second predetermined temperature, comprises rotating a stirrer arranged in the first vessel of the apparatus.

### Claim 9 (depends on 1)

The method of claim 1, wherein heating, by the first heater of the apparatus, the anion solution arranged in the first vessel of the apparatus to the first predetermined temperature and heating, by the second heater of the apparatus, the cation solution arranged in the second vessel of the apparatus to the second predetermined temperature, comprises rotating the stirrer arranged in the second vessel of the apparatus.

### Claim 10 (depends on 1)

The method of claim 1, wherein conveying the mixed solution from the second vessel of the apparatus to the sampler of the apparatus comprises conveying the mixed solution from the second vessel of the apparatus to the sampler of the apparatus by the fluid pump.

### Claim 11 (depends on 1)

The method of claim 1, wherein conveying the mixed solution from the second vessel of the apparatus to the sampler of the apparatus comprises drawing the mixed solution from the second vessel of the apparatus to the sampler of the apparatus by a sampling syringe of the sampler.

### Claim 12 (depends on 1)

The method of claim 1, further applying, by a pressurizer of the apparatus, a first pressure to the first vessel and a second pressure to the second vessel.

### Claim 13 (depends on 12)

The method of claim 12, wherein the first pressure and the second pressure are different pressures.

### Claim 14 (depends on 12)

The method of claim 12, wherein the first pressure and the second pressure are the same pressure.

### Claim 15 (depends on 12)

The method of claim 12, wherein the first pressure is about 10 bar to about 50 bar.

### Claim 16 (depends on 12)

The method of claim 12, wherein the second pressure is about 10 bar to about 50 bar.

### Claim 17 (depends on 1)

The method of claim 1, wherein the first predetermined temperature is about 90 C to about 200 C.

### Claim 18 (depends on 1)

The method of claim 1, wherein the second predetermined temperature is about 90 C to about 200 C.

### Claim 19

A method comprising:
providing a salt formation apparatus comprising:
a first vessel fluidly connected to an anion fluid source, the first vessel configured to contain an anion solution,
a second vessel containing a cation solution, the second vessel fluidly connected to the first vessel by a mixing fluid line,
a first heater configured to heat the first vessel to a first predetermined temperature,
a second heater configured to heat the second vessel to a second predetermined temperature,
a first mixer arranged in the second vessel, and
a fluid sampler having a filter configured to filter a mixed solution, the fluid sampler fluidly connected to the second vessel by a sample fluid line,
prompting, by a controller of the apparatus, the first heater to heat the anion solution in the first vessel to the first predetermined temperature and prompting the second heater to heat the cation solution in the second vessel to the second predetermined temperature,
prompting a valve arranged on the mixing fluid line to open, fluidly connecting the first vessel and the second vessel,
prompting a fluid pump to convey a volume of anion solution in the first vessel to the second vessel by the mixing fluid line,
prompting the first mixer to mix the cation solution in the first vessel with the conveyed anion solution to produce a mixed solution, wherein the mixed solution precipitates a salt, and
prompting the sampler to draw the mixed solution from the first vessel by the sampling fluid line.

### Claim 20 (depends on 19)

The method of claim 19, the method further comprising, prompting a pressurizer connected to the second vessel to apply a predetermined pressure to the cation solution in the second vessel.

### Claim 21 (depends on 19)

The method of claim 19, the method further comprising, prompting a pressurizer connected to the first vessel to apply a predetermined pressure to the anion solution in the first vessel.

### Claim 22 (depends on 19)

The method of claim 19, the method further comprising, prompting a pressurizer connected to the first and second vessel to apply a first predetermined pressure to the anion solution in the first vessel and apply a second predetermined pressure to the cation solution in the second vessel.

### Claim 23 (depends on 22)

The method of claim 22, wherein the first predetermined pressure and the second predetermined pressure are different pressures.

### Claim 24 (depends on 22)

The method of claim 22, wherein the first predetermined pressure and the second predetermined pressure are the same pressure.

### Claim 25 (depends on 22)

The method of claim 22, wherein the first predetermined pressure is about 10 bar to about 50 bar.

### Claim 26 (depends on 22)

The method of claim 22, wherein the second predetermined pressure is about 10 bar to about 50 bar.

### Claim 27 (depends on 19)

The method of claim 19, wherein prompting the sampler to draw the mixed solution from the first vessel by the sampling fluid line comprises prompting a sampling syringe of the apparatus to draw the mixed solution through the filter arranged in the sampling syringe.

### Claim 28 (depends on 19)

The method of claim 19, wherein prompting the sampler to draw the solution fluid from the first vessel by the sampling fluid line comprises prompting a sampling valve arranged on the sample fluid line to open, fluidly connecting the second vessel to the sampler.

### Claim 29 (depends on 19)

The method of claim 19, wherein the first predetermined temperature is about 90 C to about 200 C.

### Claim 30 (depends on 19)

The method of claim 19, wherein the second predetermined temperature is about 90 C to about 200 C.

### Claim 31 (depends on 19)

The method of claim 19, wherein the first predetermined temperature and the second predetermined temperature are different temperatures.

### Claim 32 (depends on 19)

The method of claim 19, wherein the first predetermined temperature and the second predetermined temperature are the same temperature.

### Claim 33 (depends on 19)

The method of claim 19, wherein prompting, by the controller of the apparatus, the first heater to heat the anion solution in the first vessel to the predetermined temperature and prompting the second heater to heat the cation solution in the second vessel to the second predetermined temperature, comprises prompting a second mixer arranged in the first vessel to mix the anion solution in the first vessel.