Liquid smoke and method for manufacture专利检索-木质颗粒生物质燃料种类专利检索查询-专利查询网

Liquid smoke and method for manufacture

阅读：117发布：2023-06-27

专利汇可以提供Liquid smoke and method for manufacture专利检索，专利查询，专利分析的服务。并且Preparation of a liquid smoke by subjecting wood particles to carbonization temperature in a carbonizing atmosphere after the wood particles have been treated with up to 100 percent of their weight with an acetic acid solution on which the acetic acid is present in a concentration of between 10-50 percent by weight and subjecting the vapors and smoke which are generated from the wood to extraction in aqueous medium, preferably at an elevated temperature above 20*C but below the boiling point temperature for the aqueous medium and preferably at a temperature within the range of 25*-75*C with the recycle of a portion of the condensate to expose the smoke and vapors to a solution thereof in the aqueous medium for extraction.，下面是Liquid smoke and method for manufacture专利的具体信息内容。

权利要求

1. IN THE PREPARATION OF LIQUID SMOKE, THE STEPS OF TREATING WOOD PARTICLES WITH ACETIC ACID UNIFORMLY TO DISTRIBUTE THE ACETIC ACID THROUGHT THE WOOD PARTICLES, HEATING THE WOOD PARTICLES TO A CARBONIZATION TEMPERATURE IN A CARBONIZING ATMOSPHERE TO REDUCE THE TREATED WOOD PARTICLES WITH THE CORRESPONDING GENERATION OF AN EXHAUST CONTAINING SMOKE PARTICLES AND VAPORS, AND THEN SUBJECTING THE EXHAUST CONTAINING EXTRACTION WITH AQUEOUS MEDIUM FOR THE REMOVAL OF SMOKE PARTICLES AND VAPORS.

2. The preparation of liquid smoke as claimed in claim 1 in which the wood particles are treated with 10-100 percent by weight of an acetic acid solution containing 10-50 percent by weight of acetic acid.

3. The preparation of liquid smoke as claimed in claim 2 in which the acetic acid solution is used in the wood treatment in an amount within the range of 10-50 percent by weight of the wood.

4. The prEparation of liquid smoke as claimed in claim 2 in which the acetic acid solution is used in the wood treatment in an amount within the range of 20-40 percent by weight of the wood.

5. The preparation of liquid smoke as claimed in claim 1 in which the acetic acid solution contains 15-40 percent by weight of acetic acid.

6. The preparation of liquid smoke as claimed in claim 1 which includes the step of removing tars and solids from the exhaust prior to subjecting the exhaust to the extraction step.

7. The preparation of liquid smoke as claimed in claim 1 in which the exhaust is subjected to countercurrent flow with aqueous condensate through a contact tower for extraction of smoke and vapors from the exhaust.

8. The preparation of liquid smoke as claimed in claim 7 which includes the step of passing the gas effluent from the extraction step through a low temperature condenser to remove condensable vapors and then returning the condensate with the aqueous medium for countercurrent flow with the exhaust.

9. The preparation of a liquid smoke as claimed in claim 7 which includes the step of collecting the aqueous medium with the extract from the exhaust upon passage from the contact tower, and recycling a portion of the condensate back through the contact tower for countercurrent flow with the exhaust.

10. The preparation of liquid smoke as claimed in claim 9 in which 10-90 percent of the collected condensate is recycled to the extraction step.

11. The preparation of liquid smoke as claimed in claim 9 in which 30-80 percent of the collected condensate is recycled to the extraction step.

12. The preparation of liquid smoke as claimed in claim 1 which includes the step of maintaining the temperature of the extraction within the range of above 20*C to below the boiling point temperature for the aqueous medium.

13. The preparation of liquid smoke as claimed in claim 12 in which the temperature of extraction is within the range of 25*-70*C.

14. The preparation of liquid smoke as claimed in claim 12 in which the temperature of extraction is within the range of 25*-45*C.

15. The preparation of liquid smoke as claimed in claim 12 in which the temperature of extraction is maintained by recycling a portion of the aqueous medium extract to the extraction zone and preheating the recycle to the desired elevated temperature.

16. The preparation of liquid smoke as claimed in claim 1 in which the wood particles are added within an enclosed space for degradation in a gaseous stream containing insufficient amount of air for combustion.

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