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Ammonium sulfide solution and processing process thereof

A processing technology and ammonium sulfide technology, applied in the field of ammonium sulfide solution and its processing technology, can solve the problems of inconvenience for manufacturers and users, reduce concentration, affect normal use, etc., to increase stability and safety, and maintain stable concentration. , The effect of product stability

Inactive Publication Date: 2009-01-07
TIANJIN DAGANG YIZHONG CHEM FACTORY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] The ammonium sulfide solution in the prior art is generally blended with hydrogen sulfide gas and ammonia gasification, but the concentration of the ammonium sulfide solution obtained in this way is relatively low, and it is easy to change color and reduce the concentration when placed for a long time. Thereby affecting its normal use, bringing inconvenience to manufacturers and users

Method used

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Embodiment Construction

[0012] A kind of ammonium sulfide solution of the present invention and processing technology thereof are further described below in conjunction with specific embodiment.

[0013] An ammonium sulfide solution, the ammonium sulfide content in the ammonium sulfide solution can be 10%, 15%, 20%, 25%, 30%, 35%, 40%, 45%.

[0014] The processing technology of above-mentioned a kind of ammonium sulfide solution, comprises the following steps:

[0015] A, sodium sulfide and sulfuric acid are reacted to form hydrogen sulfide gas;

[0016] B. After filtering the liquid ammonia, it reacts with water to form ammonia water;

[0017] C. After the hydrogen sulfide gas generated is filtered, the ammonia water is blended, and the blending time is 56-200 hours, thereby forming the ammonium sulfide solution.

[0018] A kind of ammonium sulfide solution of the present invention, the height of its content is determined according to time, and the longer the time of its brewing, the higher the co...

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Abstract

The invention relates to the chemical engineering field, in particular to an ammonium sulfide solution and a production process thereof. The content of ammonium sulfide in the ammonium sulfide solution is 10 percent to 45 percent. The ammonium sulfide solution and the production process have the advantages of strong stability and unchanged concentration and is deposit-free, and the color of the ammonium sulfide solution cannot be changed within a year.

Description

technical field [0001] The invention is designed in the field of chemical engineering, and specifically provides an ammonium sulfide solution and a processing technology thereof. Background technique [0002] The ammonium sulfide solution in the prior art is generally blended with hydrogen sulfide gas and ammonia gasification, but the concentration of the ammonium sulfide solution obtained in this way is relatively low, and it is easy to change color and reduce the concentration in the case of long-term storage. Thereby influence its normal use, bring inconvenience to manufacturer and user. Contents of the invention [0003] The present invention aims at the above deficiencies, and provides a kind of ammonium sulfide solution and its processing technology, and its product stability is strong, does not change color within one year, does not have precipitate and concentration is constant. [0004] The technical solution adopted by the present invention to solve its technica...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01C1/20
Inventor 张洪来
Owner TIANJIN DAGANG YIZHONG CHEM FACTORY
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