Method for producing phosphorus-free pulpy detergent by comprehensively utilizing 4A zeolite and production liquid waste thereof

A detergent and zeolite technology, which is applied in the preparation of detergent mixture compositions, detergent compounding agents, detergent compositions, etc., can solve problems such as no disclosure of specific methods, achieve good economic and social benefits, and save water resources. , the effect of reducing production costs

Inactive Publication Date: 2012-09-19
UNIV OF JINAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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"But the specific metho

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  • Method for producing phosphorus-free pulpy detergent by comprehensively utilizing 4A zeolite and production liquid waste thereof
  • Method for producing phosphorus-free pulpy detergent by comprehensively utilizing 4A zeolite and production liquid waste thereof

Examples

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Embodiment 1

[0032] After a, 4A zeolite crystallization is completed, the mother liquor in the crystallization tank 15 is transported to the mother liquor storage tank by the mother liquor pump one 16, and then sent into the mother liquor metering tank one 5 and the mother liquor metering tank two 21 by the mother liquor pump two 18 for subsequent use;

[0033] B, the slurry that has mother liquor raffinate in the crystallization tank 15 is directly sent into slurry detergent neutralization, batching tank 20;

[0034] c. In the slurry detergent neutralization and batching tank 20, under constant stirring, at a temperature of 42±1°C, at a rate of 10L / min, slowly add industrial alkylbenzene sulfonic acid to neutralize to a pH value of 8~ 9;

[0035] d. Keep stirring and maintain the temperature at 42±1°C, put the mother liquor in the mother liquor metering tank 221 into the slurry detergent for neutralization, and the batching tank 20, neutralize it with industrial alkylbenzenesulfonic acid,...

Embodiment 2

[0041] After a, 4A zeolite crystallization is completed, the mother liquor in the crystallization tank 15 is delivered to the mother liquor storage tank by the mother liquor pump 16-1, and then sent into the mother liquor metering tank one 5 and the mother liquor metering tank two 21 by the mother liquor pump two 18 for subsequent use;

[0042] B, the slurry that has mother liquor raffinate in the crystallization tank 15 is directly sent into slurry detergent neutralization, batching tank 20;

[0043] c. In the slurry detergent neutralization and batching tank 20, under constant stirring, at a temperature of 43±1°C, at a rate of 11L / min, slowly add industrial alkylbenzenesulfonic acid to neutralize until the pH value is 8~ 9;

[0044] d. Keep stirring and maintain the temperature at 43±1°C, put the mother liquor in the mother liquor metering tank 221 into the slurry detergent for neutralization, and the batching tank 20, neutralize it with industrial alkylbenzenesulfonic acid,...

Embodiment 3

[0049] After a, 4A zeolite crystallization is completed, the mother liquor in the crystallization tank 15 is transported to the mother liquor storage tank by the mother liquor pump one 16, and then sent into the mother liquor metering tank one 5 and the mother liquor metering tank two 21 by the mother liquor pump two 18 for subsequent use;

[0050] B, the slurry that has mother liquor raffinate in the crystallization tank 15 is directly sent into slurry detergent neutralization, batching tank 20;

[0051] c. In the slurry detergent neutralization and batching tank 20, under continuous stirring, at a temperature of 47±1°C, at a rate of 12L / min, slowly add industrial alkylbenzene sulfonic acid to neutralize to a pH value of 8~ 10;

[0052] d. Keep stirring and keep the temperature at 47±1°C, put the mother liquor in the mother liquor metering tank 221 into the slurry detergent for neutralization and batching tank 20, use industrial alkylbenzenesulfonic acid, and the addition rat...

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Abstract

The invention relates to a method for producing phosphorus-free pulpy detergent by comprehensively utilizing 4A zeolite and production liquid waste generated during the production of the 4A zeolite. In order to overcome a washing liquid waste discharging defect generated when the 4A zeolite is produced in the prior art, the method disclosed by the invention is characterized in that surplus liquidwaste in the 4A zeolite production in the prior art can be completely and comprehensively utilized, so that the zero discharge of the production liquid waste is realized, the energy consumption is lowered, raw material NaOH and water resource are saved, equipment investment is saved, and the production cost is lowered. With the method disclosed by the invention, three steps of filtering, washing and drying are omitted from the steps of burdening, blending glue, crystalizing, filtering, washing, drying, obtaining a finished product and synthetizing detergent ingredients in the production process of the detergent accessory ingredient 4A zeolite in the prior art, and the production process is simplified into the following steps of burdening, blending glue, crystalizing, obtaining the semi-finished product slurry of 4A zeolite, obtaining a phosphorus-free pulpy detergent ingredient and obtaining a finished product of the phosphorus-free pulpy detergent.

Description

technical field [0001] The invention relates to the field of 4A zeolite and detergent production, in particular to a method for comprehensively utilizing detergent builder 4A zeolite and waste liquid produced in its production to prepare phosphorus-free slurry detergent. Background technique [0002] 4A zeolite has a strong calcium exchange capacity and is an ideal substitute for the harmful water softening additive sodium tripolyphosphate, and is the main additive for the production of environmentally friendly phosphorus-free detergents. The production of 4A zeolite is roughly divided into two categories, one is the total synthesis method, that is, using Na 2 SiO 3 , Al(OH) 3 and NaOH as raw materials through mixing glue→crystallization→filtering→washing→drying→finished product; the other is the semi-synthetic method, that is, using natural clay such as kaolin or natural ore such as coal gangue as raw material, calcining→crystallization The method of chemicalization→filt...

Claims

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Application Information

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IPC IPC(8): C11D11/00C11D1/83C11D3/04C11D3/60C11D3/22
Inventor 马晶崔红霞
Owner UNIV OF JINAN
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