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2. Solenis - Wikipedia

   en.wikipedia.org/wiki/Solenis

   2014–Present: Ashland Water Technologies was bought by private investment firm Clayton, Dubilier & Rice (CD&R) from Ashland Inc. on July 31, 2014, and rebranded as Solenis. [7] 2008-2014: Ashland purchased Hercules Inc. in 2008 for $2.6 billion to double earnings and gain chemicals used in papermaking, water treatment and construction. [8]

3. List of wastewater treatment technologies - Wikipedia

   en.wikipedia.org/wiki/List_of_wastewater...

   Oil–water separator; Organisms used in water purification; Parallel plate oil–water separator; Photobioreactor; Reed bed; Regenerative thermal oxidizer; Retention basin; Reverse osmosis; Rotating biological contactor; Sand filter; Screen filter; Sedimentation (water treatment) Septic tank; Septic tank conversion [2] Sequencing batch reactor ...

4. Hydrodynamic separator - Wikipedia

   en.wikipedia.org/wiki/Hydrodynamic_separator

   Installation of a hydrodynamic separator along an Arizona highway. In civil engineering (specifically hydraulic engineering), a hydrodynamic separator (HDS), also called a swirl separator, is a stormwater management device that uses cyclonic separation to control water pollution.

5. Diversey Holdings - Wikipedia

   en.wikipedia.org/wiki/Diversey_Holdings

   In March 2023, Solenis, a Wilmington, Delaware based specialty chemical company which specializes in water-intensive industries, announced the acquisition of Diversey Holdings for $4.6 Billion, and expects the merger to be completed in the second half of 2023. Solenis plans to turn the company private, and upon completion of the transition ...

6. Veolia Water - Wikipedia

   en.wikipedia.org/wiki/Veolia_Water

   Veolia Water delivers wastewater treatment services to 68 million people around the world and, as of 2009, it managed 3,229 municipal water treatment plants. [ citation needed ] In October 2010, Veolia Water was contracted to rebuild a wastewater treatment plant in Lille (France) in a project that will ultimately have the capacity to treat ...

7. Secondary treatment - Wikipedia

   en.wikipedia.org/wiki/Secondary_treatment

   Fixed-film systems are more able to cope with drastic changes in the amount of biological material and can provide higher removal rates for organic material and suspended solids than suspended growth systems. [2]: 11–13 Most of the aerobic secondary treatment systems include a secondary clarifier to settle out and separate biological floc or ...