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Intellectual property protection

No.

Intellectual property

Type

Certificate No.

1

Method for extracting thiocyanate from coking gas desulfuration and decyanation waste water

Invention

ZL201110240780.3

2

Method for preparing high-quality sodium thiocyanate from coking gas desulfuration and decyanation waste water

Invention

201310301170.9

3

Method for preparing high-quality potassium rhodanide from coking gas desulfuration and decyanation waste water

Invention

201310301182.1

4

Retreatment of salt extracting products and ammonium sulfate from coking gas desulfuration waste solution

Invention

201410084798.2

5

Method for production ammonium thiocyanate from waste liquor recovery crude product ammonium thiocyanate

Invention

201410084846.8

6

Thiocyanate multiple-effect distillation and concentration equipment with filter

Utility model

201420105415.0

7

Method for removing thiosulfate in coking gas desulfuration and decyanation waste water by ion exchange resin

Invention

201310368020.X

8

Load-type decolorising agent for processing coking gas desulfuration waste solution and its preparation method

Invention

201310362603.1

9

Synthetic and using methods of chelating precipitant

Invention

201310301171.3

 

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