Gannan powdered polyacrylamide drilling fluid

Gannan powdered polyacrylamide drilling fluid
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Product characteristics of polyacrylamide
1.1) Flocculation: PAM can cause suspended matter to undergo electrostatic neutralization, bridging adsorption, and flocculation.
2) Adhesive properties: capable of exerting adhesive effects through mechanical, physical, and chemical means.
3) Resistance reduction: PAM can effectively reduce the frictional resistance of fluids, and adding a small amount of PAM to water can reduce resistance by 50-80%.
4) Thickening: PAM has a thickening effect under both neutral and acidic conditions. When the pH value is above 10, PAM is easily hydrolyzed and forms a semi reticular structure
When it comes to structure, thickening will be more pronounced.
2. Introduction to the working principle of PAM:
1) Principle of flocculation: When PAM is used for flocculation, it affects the surface properties of the flocculated material, especially the dynamic potential, viscosity, turbidity, and suspension
The pH value of the floating liquid is related, and the dynamic potential on the surface of particles is the reason for particle aggregation. Adding PAM with opposite surface charges can quickly reduce the dynamic potential and cause aggregation.
2) Adsorption bridging: PAM molecular chains are fixed on different particle surfaces, forming polymer bridges between particles to form aggregates and settle.
3) Surface adsorption: various adsorption of polar functional groups particles on PAM molecules.
4) Net trapping effect: PAM molecular chains and dispersed phases are linked together through various mechanical, physical, chemical and other interactions, forming a network and thus exerting net trapping effect.
Gannan powdered polyacrylamide drilling fluid
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3. PAM usage method:
Polyacrylamide is used through various processes such as dissolution, addition, and mixing,
Due to variations in the variety, model, and quantity used depending on the processing purpose. Therefore, it is necessary to conduct preliminary experiments in advance to master the appropriate variety, model, and usage amount. The preparation of product aqueous solution should be carried out in enamel, galvanized, aluminum or plastic drums, and should not be prepared or stored in iron containers.
1)溶解方法
Before use, dissolve the solid into a concentration of 0.1-0.5% to quickly exert its effectiveness. While dissolving, stir the water in the dissolution tank and carefully add the solid to evenly disperse it in the water, without allowing it to form lumps.
Due to prolonged strong stirring, its performance will decrease, so the mixer should dissolve at a speed of around 20-200 revolutions per minute.
Because if the solution is left for a long time, its performance will gradually decrease depending on the water quality. Therefore, after the aqueous solution is prepared,
Please use it within three days.
2) Addition of Dissolved Solution
Usually, about 0.1% aqueous solution is added, but in situations where the suspension has high concentration and viscosity, it is recommended to further dilute the aqueous solution to about 0.01%, which will facilitate mixing and achieve full effectiveness.
After adding a flocculant aqueous solution to the suspension, if stirred vigorously for a long time, the already formed flocs will be destroyed. Therefore, please add the prepared aqueous solution before the flocculation treatment is about to begin.
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