IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0938879
(2010-11-03)
|
등록번호 |
US-8801897
(2014-08-12)
|
발명자
/ 주소 |
- Duesel, Jr., Bernard F.
- Rutsch, Michael J.
- Clerkin, Craig
|
출원인 / 주소 |
- Heartland Technology Partners LLC
|
대리인 / 주소 |
Marshall, Gerstein & Borun LLP
|
인용정보 |
피인용 횟수 :
3 인용 특허 :
159 |
초록
▼
A compact and portable liquid concentrator and contaminant scrubber includes a gas inlet, a gas exit and a flow corridor connecting the gas inlet and the gas exit, wherein the flow corridor includes a narrowed portion that accelerates the gas through the flow corridor. A liquid inlet injects liquid
A compact and portable liquid concentrator and contaminant scrubber includes a gas inlet, a gas exit and a flow corridor connecting the gas inlet and the gas exit, wherein the flow corridor includes a narrowed portion that accelerates the gas through the flow corridor. A liquid inlet injects liquid into the gas stream at a point prior to the narrowed portion so that the gas-liquid mixture is thoroughly mixed within the flow corridor, causing a portion of the liquid to be evaporated. A demister or fluid scrubber downstream of the narrowed portion removes entrained liquid droplets from the gas stream and re-circulates the removed liquid to the liquid inlet through a re-circulating circuit. A reagent may be mixed with the liquid to react with contaminants in the liquid.
대표청구항
▼
1. A process for removing contaminants from flowback water from a natural gas well, the process using a wastewater concentrator including a gas inlet, a gas outlet, a concentrating section between the gas inlet and the gas outlet, the concentrating section having a narrowed portion, the process comp
1. A process for removing contaminants from flowback water from a natural gas well, the process using a wastewater concentrator including a gas inlet, a gas outlet, a concentrating section between the gas inlet and the gas outlet, the concentrating section having a narrowed portion, the process comprising: mixing a reagent with liquid flowback water from a natural gas well, the reagent reacting with a soluble chemical compound in the liquid flowback water to form an insoluble chemical compound;combining a gas and the liquid flowback water in the concentrating section to form a mixture of gas and entrained liquid flowback water, the entrained liquid flowback water including the insoluble chemical compound;directing the combined gas and entrained liquid flowback water into a demister where at least some of the entrained liquid flowback water is removed from the gas and collected in a sump of the demister;removing a portion of the liquid flowback water in the sump of the demister and sending the portion of the liquid flowback water to a settling tank where suspended solids and insoluble chemical compounds in the liquid flowback water separate from liquid portions of the liquid wastewater;removing the separated solid portion from the settling tank and returning the separated liquid portion to the demister sump. 2. The process of claim 1, wherein the reagent is sodium sulfate. 3. The process of claim 2, wherein the soluble chemical compound is barium chloride. 4. The process of claim 3, wherein a sulfate ion from the sodium sulfate reacts with a barium ion from the barium chloride to form barium sulfate, which is highly insoluble. 5. The process of claim 1, wherein the reagent is stored in a reagent tank that is connected to a liquid flowback water inlet for injecting liquid flowback water into the concentrating section. 6. The process of claim 1, wherein the reagent is stored in a reagent tank that is connected to the concentrating section upstream of the narrowed portion. 7. The process of claim 1, wherein the separated solid portion removed from the settling tank is sent to a vacuum belt filtration system for further solid/liquid separation. 8. The process of claim 1, wherein the insoluble chemical compound is purified after removal from the settling tank. 9. The process of claim 8, wherein the purified insoluble chemical compound is sold for use in well drilling mud. 10. The process of claim 1, wherein a pump delivers reagent to the concentrating section, the pump delivering between approximately 150% and approximately 600% of the amount of reagent that would be needed to fully react with the soluble chemical compound. 11. The process of claim 10, wherein the pump delivers between approximately 200% and approximately 500% of the amount of reagent that would be needed to fully react with the soluble chemical compound. 12. The process of claim 11, wherein the pump delivers approximately 400% of the amount of reagent that would be needed to fully react with the soluble chemical compound. 13. The process of claim 1, wherein the liquid wastewater contains more than approximately 250,000 parts per million of dissolved solids. 14. A flowback concentrating and containment removal system for flowback water from natural gas wells, the system comprising: a gas inlet;a gas outlet;a concentrating section disposed between the gas inlet and the gas outlet, the concentrating section having a narrowed portion in which gas flow within the concentrating section accelerates;a liquid inlet through which flowback water is injected into the concentrating section, the liquid inlet being disposed in the concentrating section upstream of the narrowed portion;a demister disposed downstream of the narrowed portion, the demister removing entrained liquid droplets from the gas flow; anda reagent tank for holding a supply of reagent, the reagent tank being connected to the concentrating section to inject reagent into the concentrating section. 15. The system of claim 14, further comprising a reagent pump connected to the reagent tank. 16. The system of claim 15, wherein the reagent tank is connected to the liquid inlet. 17. The system of claim 15, wherein the reagent tank is connected to the concentrating section upstream of the narrowed portion. 18. The system of claim 15, wherein the entrained liquid droplets that are removed by the demister collect in a sump. 19. The system of claim 18, wherein the sump is connected to a settling tank and liquid and solid portions of the collected entrained liquid droplets separate from one another in the settling tank. 20. The system of claim 18, wherein the settling tank is connected to the sump with a return line that returns a liquid portion of the collected entrained liquid droplets to the sump.
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