Abstract
To satisfy the requirement on the separation of solid and liquid in waste drilling mud, prepare a high effective floccu-lant for high density waste drilling mud used starch, 2-Trimethylammonium ethyl methacrylate chloride (DMC) and acrylamide (AM). The result showed that when the ratio of starch, DMC and AM was 2:1:3, the weight of initiator (po-tassium persulfate) was 0.2% of the AM, reaction temperature was 65℃ and reaction time was 5h, the performance of product was the best. The water content in filter cake was 27.6% after the waste drilling mud disposed by the optimization flocculant. The flocculent effect of optimization flocculant was superior to that of other flocculant in market.
Highlights
The waste drilling mud and drilling wastewater were the inevitable industrial waste while Oil and Gas Exploration Drilling
The result showed that when the ratio of starch, DMC and AM was 2:1:3, the weight of initiator was 0.2% of the AM, reaction temperature was 65°C and reaction time was 5h, the performance of product was the best
The flocculant in market has not deal with the high density waste drilling mud
Summary
The waste drilling mud and drilling wastewater were the inevitable industrial waste while Oil and Gas Exploration Drilling. They has become one of the most severe pollution sources, whose effect on environment has been concerned gradually [1,2,3].There were many methods [4,5,6,7] to dispose the waste drilling mud and drilling wastewater, such as, Gravity Separation, Impact, Baffle, or Spray Separation, Parallel-Plate and Thin-Film Separation and Vacuum Separation. The flocculant in market has not deal with the high density waste drilling mud. A new starch-based cation copolymer flocculant for high density waste drilling mud was prepared
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