Green Liquor (Spent Pulping Liquor) Handling Design, Loading, and Installation.

Although no two Green Liquor Loading solutions will be identical, the product itself determines much of the critical design criteria that will ensure that optimum safety and productivity can work together in harmony. 

Green Liquor is an important by-product recovered from the kraft pulping of resinous woods in paper mills. It is the dissolved smelt of sodium carbonate, sodium sulfide, and other compounds from the recovery boiler in the kraft process. The liquor’s green color derives from the presence of colloidal iron sulfide. Green liquor is usually reacted with lime (CaO) in the causticizing stage to regenerate white liquor.

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