Phosphonated IminodisuccinatesA Calcite Scale Inhibitor with Excellent Biodegradability [PDF]
Scale inhibitors are an extremely important chemical in upstream oil and gas field operations and water treatment industries. These inhibitors prevent nucleation and/or crystal growth of scales such as calcite and barite. This keeps the pipes and other equipment and surfaces free from deposits, allowing the maximum flow of aqueous fluids. However, many
Sumit Ganguly +2 more
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Efficiency of one scale inhibitor on calcium carbonate precipitation from hot water sanitary: effect of temperature and concentration [PDF]
The scaling of hot water transport pipes has become one of the major problems encountered in Agadir's region, which exploits water of underground origin with very high hardness (40°F). Several methods can be used to prevent this phenomenon.
M'barek Belattar +7 more
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Reverse Osmosis with Intermediate Chemical Demineralization: Scale Inhibitor Selection, Degradation, and Seeded Precipitation [PDF]
Two-stage reverse osmosis (RO) processes with intermediate concentrate demineralization (ICD) provide an efficient strategy to treat brines with high CaSO4 contents and reduce concentrate discharge.
Shichang Xu +4 more
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Linear-dendritic block copolymers as a green scale inhibitor for calcium carbonate in cooling water systems [PDF]
Water-soluble monomer APEG-PG-(OH)n were produced and the Structure of APEG-PG-(OH)5 were identified by 1H-NMR. APEG-PG-(OH)n were copolymerized with maleic anhydride (MA) to synthesize no phosphate and nitrogen free calcium carbonate inhibitor MA/APEG ...
Guangqing Liu +3 more
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A highly efficient and environment-friendly scale inhibitor (MA-VA-VS) was synthesized via free radical solution polymerization method, where maleic anhydride (MA), vinyl acetate (VA) and vinyl sulfonate (VS) acted as monomers, while ammonium persulfate ...
Heng Wang +5 more
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Scale formation due to the mixing of injection water with formation water causes formation damage and reduction in petroleum production. By using scale inhibitors, scale formation/scaling could be prevented.
Jaber Azizi +3 more
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Preparation and Laboratory Testing of Polymeric Scale Inhibitor Colloidal Materials for Oilfield Mineral Scale Control. [PDF]
Wang H, Dong H, Liu X, Zhang P.
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Performance of a novel green scale inhibitor [PDF]
Many aspects of oilfield scale inhibition with green scale inhibi-tors (SIs) have remained untouched. For instance, the discharge of large amounts of produced water containing various types of hazardous chemi-cals, such as SIs into the environment has ...
Mahmoodi Leila +2 more
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Synthesis of Modified Polyaspartic Acid Scale Inhibitor and Its Scale Inhibition Performance [PDF]
In order to expand the application range of green scale inhibitor polyaspartic acid (PASP), a new green modified polyaspartic acid scale inhibitor (MPASP) was prepared using polysuccinimide (PSI) as the raw material and methionine (Met) as the ...
GUAN Jun-xia, LIU Xin-hua, SHU Shi-li, ZHANG Qing, WANG Lei, LI Fan-lin, FU Zhan-da, DENG Jie
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Synthesis and Scale Inhibition Performance of Serine - Modified Polyepoxysuccinic Acid Scale Inhibitor [PDF]
Polyepoxysuccinic acid (PESA) is a green and environmental scale inhibitor. Its application is limited due to its single functional group. In order to enhance its performance, an experiment was carried out by using serine (Ser) as the modifier to modify ...
LIU Xin - hua, GUAN Jun - xia, WANG Li - hong, FU Zhan - da, GAO Yu - hua, WEI Jin - fang, WANG Lei, YANG Yong, LI Wen - tao
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