A composition for corrosion control in aqueous systems, the composition providing a formulation of a concentrated aluminum corrosion inhibitor; and (i) a polycarboxylic acid polymer, (ii) a sulfonic acid polymer, (iii) a combination of a polycarboxylic acid and a polysulfonic acid, (iv) an organic phosphonate, (v) a combination of a phosphonate and a polycarboxylic acid, or (vi) a combination of a phosphonate and a polysulfonic acid. A method for corrosion control in aqueous systems, the method providing a concentrated formulation, the concentrated formulation having an aluminum corrosion inhibitor and (i) a polycarboxylic acid polymer, (ii) a sulfonic acid polymer, (iii) a combination of a polycarboxylic acid and a polysulfonic acid, (iv) an organic phosphonate, (v) a combination of a phosphonate and a polycarboxylic acid, or (vi) a combination of a phosphonate and a polysulfonic acid; and delivering the concentrated formulation to an aqueous stream.

A nanophotonic scale inhibitor includes a silicon quantum dot core having a functionalized surface including a plurality of carboxyl groups, sulfonate groups, or phosphonate groups. A method for synthesizing a nanophotonic scale inhibitor material includes preparing silicon quantum dots for surface functionalization and functionalizing surfaces of the silicon quantum dots with one of a carboxyl group, sulfonate group, and phosphonate group. A method of inhibiting and monitoring scale formation in water systems includes providing the nanophotonic scale inhibitor to the water in the water system and visualizing scale formation by detecting fluorescence of the nanotphotonic scale inhibitor.

Disclosed herein are methods and systems for treating geothermal wells. The methods include introducing a treatment fluid into a wellbore of a geothermal well having geothermal scale, contacting the geothermal scale with the treatment fluid, and removing at least a portion of the geothermal scale from the geothermal well using the treatment fluid. The treatment fluid comprises an ester, a fluoride-containing source, and a base fluid, wherein a molar ratio of fluoride-containing source to ester is about 1:1 to about 5:1. The methods may also be applied to matrix acidizing.

An auxiliary cooling ramp system and method are provided. The system includes an auxiliary ramp operatively connectable, using a plurality of flexible hoses, to water lines of a water circuit of a cooling system, between a cooling unit and a heat exchange system of the cooling system. The method includes installing the auxiliary ramp to water lines of a water circuit of a cooling system, between a cooling unit and a heat exchange system of the cooling system; performing maintenance on the cooling system via the auxiliary ramp; and disconnecting the auxiliary ramp.

Methods and compositions for suppressing corrosion of a corrodible metal surface that contacts a water stream in a water system. The method comprises introducing into the water stream a treatment composition, the treatment composition including a combination of passivators and a hydroxycarboxylic acid promoter.