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process for the recovery and for the separation of pure sodium sulfate in canada

US2645561A US61612A US6161248A US2645561A US 2645561 A US2645561 A US 2645561A US 61612 A US61612 A US 61612A US 6161248 A US6161248 A US 6161248A US 2645561 A US2645561 A US 2645561A Authority US United States Prior art keywords sodium sulfate liquor sulfuric acid acid water Prior art date 19481123 Legal status The legal status is an assumption and is not a legal ... As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.

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  • Sodium Sulphate Recovery from Industrial Wastewater

    economical alternative to evaporation process for water recovery especially when salt concentration is low This paper review the efforts made for separation of Sodium sulphate from

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  • Sodium Sulfate an overview ScienceDirect Topics

    Once the solution gets to the top of the sodium sulfate pipette the eluate into the cartridge immediately Rinse the pearshaped flask with 3 × 2 mL acetonitriletoluent 3 1 and decant it into the cartridge Insert a reservoir into the cartridge Elute the pesticide with 25 mL acetonitriletoluene 3 1

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  • Recovery of cobalt sulfate from spent lithium ion

    Recovery of cobalt sulfate from spent lithium ion batteries by reductive carbonate and the proper treatment of the final sodium sulfate solution requires further study metals in spent LIBs to recover pure cobalt sulfate for pigment use 2 Materials and methods 21 Materials

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  • Kraft process Wikipedia

    The kraft process also known as kraft pulping or sulfate process is a process for conversion of wood into wood pulp which consists of almost pure cellulose fibers the main component of kraft process entails treatment of wood chips with a hot mixture of water sodium hydroxide NaOH and sodium sulfide Na 2 S known as white liquor that breaks the bonds that link lignin

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  • Separation and Recovery of Components in a Ternary

    The solid is allowed to settle to the bottom of the container The liquid portion called the is then carefully supernatant poured off without disturbing the solid Another physical method is filtration The mixture is poured through a porous material such as filter paper

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  • PDF Sodium Sulphate Recovery from Industrial Wastewater

    Sodium sulfate is one of them evaporation process for water recovery especially when salt concentration is low This paper review the efforts made for separation of Sodium sulphate from

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  • US Patent for Method for the purification recovery and

    Feb 25 2000 · In one embodiment separation of the oocysts is accomplished by a sodium sulfate flotation process which includes preparing an admixture comprising the oocysts and the sodium sulfate centrifuging the slurry and recovering a supernatant therefrom forming a dilution of the supernatant and centrifuging the dilution and recovering the concentrate from the centrifuged dilution

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  • Sulfite Process an overview ScienceDirect Topics

    The black liquor is concentrated and burned to regenerate the pulping chemicals Because unrecovered sodium and sulfur are replenished by adding sodium sulfate the process is often called ‘sulfate pulping’ Sulfate is not the active pulping chemical however because organic carbon reduces it to sodium sulfide when the black liquor is burned

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  • SODIUM SULPHATE ITS SOURCES AND USES

    has come chiefly from Sweden and Canada where sodium sulphate traction and separation from the mixtures in which it occurs The solubility curve of pure sodium sulphate based on the data given in Table 1 is shown in Figure 5 35576 23 2

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