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New process for producing humic acid salts with fluidizing solid phase reaction

a technology of fluidizing solid phase and humic acid salt, which is applied in the direction of organic chemistry, vibration, granulation, etc., can solve the problems of serious environmental impa

Active Publication Date: 2020-09-03
YANG JAMES CHIN CHENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional methods for production of humic acid salts involve complicated unit operations that are costly and usually cause serious environmental issues.

Method used

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  • New process for producing humic acid salts with fluidizing solid phase reaction
  • New process for producing humic acid salts with fluidizing solid phase reaction

Examples

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example 1

[0011]Equipment: High speed intensive mixer (Henschel brand)[0012]Capacity 200-500 Liter Agitator speed 500-1500 RPM[0013]Recipe: Humic acid: (Purity 44% Water content 24%) 100 kg 90% Potassium hydroxide: feed slowly 13.3 kg[0014]Product Analysis:

Stirring Time, minWater Content %Soluble Humic Acid %520.324.51018.726.81516.429.22014.331.53013.135.9

example 2

[0015]Equipment: High speed intensive mixer[0016]Capacity 200-500 Liter Agitator speed 500-1500 RPM[0017]Recipe: Humic acid: (Purity 44% Water content 24%) 100 kg 72% Sodium hydroxide: feed slowly 12.6 kg[0018]Product Analysis:

Stirring Time, minWater Content %Soluble Humic Acid %520.324.11018.726.51516.428.92014.831.13012.735.5

example 3

[0019]Equipment: High speed intensive mixer[0020]Capacity 200-500 Liter Agitator speed 500-1500 RPM[0021]Recipe: Humic acid: (Purity 44% Water content 24%) 100 kg 35% Ammonium hydroxide (Under pressure spray mode) 21 kg[0022]Product Analysis:

Stirring Time, minWater Content %Soluble Humic Acid %521.223.11018.925.51516.427.82014.330.23013.135.1

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Abstract

The present invention utilizes a high-speed intensive mixer in fluidizing type solid phase neutralization reactor to blend solid state alkali hydroxide with any humic acid sources. The final product is a dry humic acid salt. The purpose of this innovative method is to eliminate a series of complicated unit operations commonly employed by the traditional process. These removed steps may include dissolving caustic soda, mixing in a paste like formation, extrusion, granulation, drying, and grinding, etc. The new invention contributes to a simplified flowsheet, resulting in sharply reduced equipment investment, the required plant space, and labor and energy costs. All these factors coupled with increased productivity will drastically lower the overall production cost. Also the reduction of dust pollution will greatly minimize the impact in environmental protection and safety issues.

Description

BACKGROUND OF THE INVENTIONTechnical Field[0001]This invention uses only a high-speed intensive mixer to produce humic acid salts by a single step completing any of following chemical reactions:R—COOH+NaOH=R—COONa+H2OR—COOH+KOH=R—COOK+H2OR—COOH+NH4OH═R—COONH4+H2O[0002]The basic principle of the present invention is different from the traditional fluidized bed, which only utilizes high speed agitation instead of large amounts of gas to fluidize solid powder. In practice, however, one or more alkali hydroxide (including potassium hydroxide, sodium hydroxide, or ammonium hydroxide solution, etc.) can be added to react with any of humic acid sources.DETAILED DESCRIPTION OF THE INVENTION[0003]There are many unique technical advantages of the present invention over the traditional such as those were claimed by Patent CN101544675B. The most noticeable differences are:[0004]1. This invention utilizes only the high-speed agitation instead of the standard fluidized bed which requires a large ...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): C05F11/06B01J2/18B01F13/04C07D521/00B01J8/42B01J8/18B01F35/60
CPCC07D521/00B01J8/1836C05F11/06B01F13/045B01J8/42B01J2/18C05F11/02B01J19/1806B01F35/605
Inventor YANG, JAMES CHIN CHENG
Owner YANG JAMES CHIN CHENG