Specialty chemicals, systems and digital solutions for water treatment, process optimization and hygiene in industry
Solenis LLC
Wilmington (US) · Krefeld · Mannheim · Mönchengladbach · Antwerp (BE) · Münchwilen (CH) · Shanghai (CN) · São Paulo (BR) · Mumbai (IN)New on Amplifa
About Solenis
Solenis is a global provider of specialty chemicals, monitoring and control systems, digital services and plant solutions for water-intensive industrial operations. The portfolio includes water treatment chemistry and in-house manufactured treatment plants (ion exchange, sand filtration, reverse osmosis), process chemicals for pulp and paper, parts cleaning systems and chemistry under the Torrent brand (formerly NCH), as well as cleaning and hygiene solutions from Diversey including CIP and OPC systems for the food and beverage industry. In-house control systems such as OnGuard and aquaDART, along with the AI platform OPTIX, automate chemical dosing and process optimization in real time. The company employs around 23,000 people, operates 62 production plants and 24 R&D and application laboratories worldwide, and serves customers in more than 160 countries. In Germany, there are R&D sites in Krefeld and Mannheim as well as a Customer Application Laboratory in Mönchengladbach. The headquarters is located in Wilmington, Delaware (USA).
- Site
- Wilmington, Delaware
- Processes
- Ultrasonic parts cleaning (Torrent Ultrasonic Systems), Vapor/wet blasting (Torrent WetBlast, models 8, 9, 12), Dry media blasting (Torrent DryBlast), Automated hotwash degreasing / water-based parts cleaning, Automated paint stripping (aqueous, DCM-free), Solvent parts cleaning, Ion exchange water treatment (in-house manufacturing), Sand filtration (in-house manufacturing)
- Materials
- Carbon steel, Copper, PET, Water treatment and process chemicals, Water-based cleaning chemistry, Ion exchange, sand filtration, reverse osmosis, CIP/OPC hygiene systems
- Certificates
- EcoVadis Platinum
- Founded
- 1925 (orig
- Employees
- 23,000 (incl.
- Industries
- Pulp & Paper, Packaging, Oil & Gas, Chemical Processing, Mining & Mineral Processing, Biorefining
- 01
Development of formulations and systems in in-house R&D laboratories
- 02
In-house production of chemicals and equipment (water treatment, process
- 03
Engineering, plant construction and installation
- 04
Commissioning and on-site support
- 05
Operational optimization through control systems and digital services
- 06
Analytics and consulting (Knowledge-Based Services)
Chemistry & Processes
Water treatment and process chemicals
Corrosion inhibitors, biocides, dispersants and process additives for cooling water, boiler water, wastewater and pulp & paper.
Water-based cleaning chemistry
Solvent-free, water-based cleaners and pickling chemistry for parts cleaning systems of the Torrent brand.
Ion exchange, sand filtration, reverse osmosis
In-house manufactured water treatment plants in standard or custom design.
CIP/OPC hygiene systems
Flexible and compact CIP system construction with hygienic design for food and beverage production.
Sites
Wilmington
USHeadquarters and R&D site
Krefeld
DER&D site
Mannheim
DER&D site
Mönchengladbach
DECustomer Application Laboratory
Münchwilen
CHR&D site
Beihai
CNProduction plant under construction (60,000 t/year)
Systems & Products
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Ultrasonic parts cleaning (Torrent Ultrasonic Systems)Cleaning/Surface technology | – | – | – | – | – |
| Vapor/wet blasting (Torrent WetBlast, models 8, 9, 12)Surface | – | – | – | – | – |
| Dry media blasting (Torrent DryBlast)Surface | – | – | – | – | – |
| Automated hotwash degreasing / water-based parts cleaningCleaning/Surface technology | – | – | 250 kg | – | – |
| Automated paint stripping (aqueous, DCM-free)Surface | – | 1390 mm × 720 mm | 250 kg | – | – |
| Solvent parts cleaningCleaning/Surface technology | – | – | – | – | – |
| Ion exchange water treatment (in-house manufacturing)Water treatment/Engineering | – | – | – | – | – |
| Sand filtration (in-house manufacturing)Water treatment/Engineering | – | – | – | – | – |
| Reverse osmosis systems (in-house manufacturing)Water treatment/Engineering | – | – | – | – | – |
| Flexible CIP systems (Clean-in-Place) with engineering servicesEngineering | – | – | – | – | – |
| Compact/mobile CIP systemsEngineering | – | – | – | – | – |
| Open Plant Cleaning (OPC) equipment – manual & automatedCleaning/Surface technology | – | – | – | – | – |
| Chlorine dioxide generation / on-site biocide productionEngineering | – | – | – | – | – |
| UV disinfectionEngineering | – | – | – | – | – |
| Analytics & testing services (SPD tests, endotoxin/bacterial testing, paper and water analysis)Testing | – | – | – | – | – |
10 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Automated degreasing system (Hotwash) | Solenis (NCH/Torrent) ADS 800 | – | 800 mm basket, 250 kg payload | – | – |
| Paint stripping system | Solenis (NCH) Pure Tank 550 / PT Strip Multi | – | 550 L tank, working area 720 mm H x 630 mm D x 1390 mm W, 250 kg payload | – | – |
| Wet blast / vapor blaster | Solenis (NCH/Torrent) Torrent WetBlast 8, 9, 12 | – | – | – | – |
| Ultrasonic cleaning system | Solenis (NCH/Torrent) Torrent Ultrasonic | – | Tank capacity from 80 L to 240 L | – | – |
| Water-based parts cleaner | Solenis (NCH/Torrent) Torrent | – | – | – | – |
| Dry blast media blaster | Solenis (NCH/Torrent) Torrent DryBlast | – | – | – | – |
| Compact/mobile CIP system | Diversey (Solenis) | – | max. 25 m³/h at 3 bar; max. 800 L process tank | – | – |
| Water treatment systems (ion exchange, sand filtration, reverse osmosis) | Solenis | – | – | – | – |
| Floor cleaning machines (scrubber dryers, single-disc machines, sweepers, vacuum cleaners) | TASKI (Diversey/Solenis) | – | – | – | – |
| Monitoring/control systems (OnGuard, aquaDART, OPTIX) | Solenis OnGuard 2-plus, OnGuard 3S/3B/3H, OnGuard i, OnGuard WW, OnGuard AF, aquaDART | – | – | – | – |
Additional services
Quality & Sustainability
Solenis holds an EcoVadis Platinum Rating (top 1% globally) and has been named a US Best Managed Company six times in a row. Application and testing services include analysis laboratories, SPD tests as well as bacterial and endotoxin testing.
| Evidence | Wilmington |
|---|---|
| EcoVadis Platinum |
History
- 1887
Founding of Dearborn Drug and Chemical Works by William H. Edgar and Frank E. Mariner
- 1882
Hercules Inc. emerges as successor to powder manufacturers (including DuPont, Laflin & Rand)
- 1925
Partnership of William H. and L. Drew Betz in Philadelphia – origin of Betz Laboratories (K-Gel for boiler water treatment)
- 1996
Betz Laboratories acquires Dearborn; BetzDearborn Inc. is formed
- 1998
Hercules Inc. buys BetzDearborn for USD 2.4 billion
- 2008
Ashland buys Hercules Inc. for USD 2.6 billion
- 2014
Ashland Water Technologies is acquired by Clayton, Dubilier & Rice and renamed Solenis
- 2019
Merger of Solenis with BASF's Paper & Water Chemicals business
- 2021
Platinum Equity acquires Solenis for USD 5.25 billion
- 2023
Acquisition of Diversey Holdings for USD 4.6 billion
- 2026
Acquisition of NCH; groundbreaking for new 60,000-t production plant in Beihai, China (USD 35 million); EcoVadis Platinum; 6th year in a row US Best Managed Company