Sulphurnet
- Company typePrivate
- Founded2007
- HeadquartersCulemborg, Netherlands
- Headcount11–50
- GTM typeB2B
- OfferingHardware or Manufacturing
Sulphurnet firmographics
Firmographics- Name
- Sulphurnet
- Legal name
- Sulphurnet.com BV
- Website
- https://sulphurnet.com
- Company type
- Private
- Founded year
- 2007
- Operating status
- Acquired
- Headcount range
- 11–50 employees
- Ownership category
- akta.pro rank
Sulphurnet industry classification
Industry- Product category
- Industrial Filtration Equipment
- NAICS
- Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing (333413), Pump and Compressor Manufacturing (33391)
- SIC
- Pumps & Pumping Equipment (3561), Industrial & Commercial Fans & Blowers & Air Purifing Equip (3564)
- akta.pro primary industry
- Separation & Filtration Equipment (Filters, Centrifuges, Membranes) (IMAHAEAB)
- akta.pro secondary industry
- Dust Collection & Air Filtration Equipment (Industrial) (IMAHALAF)
Keywords
Where Sulphurnet is headquartered
LocationHeadquarters
- HQ city
- Culemborg
- HQ country
- Netherlands
- HQ region
- Europe
Offices1 record
Markets served
Sulphurnet business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Personnel, Operations, Supply Chain, Technology or R&D, Marketing or Sales, Infrastructure
Revenue model
- Industrial Filtration Equipment Sales: Sale of custom-designed filtration equipment including pressure leaf filters, self-cleaning candle filters, horizontal plate filters, filter leaves, strainers, and accessories. Equipment is custom-engineered to client specifications and requirements.
- Sulphur Melting and Purification Plants: Design, planning, manufacture, and shipping of complete sulphur melting and purification plants. Includes basic engineering, detailed engineering, project management, plant audits, consultancy, execution, startup and commissioning support.
- Engineering Services: Engineering services including filtration process audit, filtration process consultancy, operator training, and maintenance support for existing filtration systems and plants.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Custom equipment and engineering services |
Go-to-market motion1 record
Distribution channels1 record
Marketing channels4 records
Sulphurnet product offering
Product offeringCore offering
Sulphurnet designs, plans, manufactures, and ships custom-engineered industrial filtration equipment — including Pressure Leaf Filters, Self-Cleaning Candle Filters, Horizontal Plate Filters, Self-Cleaning Strainers, Liquid Sulphur Polishing Filters, and Sulphur Melters — along with complete Sulphur Melting and Filtration Modules. The company also delivers engineering services such as filtration process audits, consultancy, operator training, and commissioning support to industrial clients worldwide.
Product overview
Sulphurnet is an industrial filtration solutions provider offering a comprehensive portfolio of Dutch Engineered filtration products and services for sulphur processing and general industrial filtration applications. The core product lineup includes Horizontal Plate Filters (Sparkler/Seitz type), Self-Cleaning Candle Filters (DEFS-SCCF), and Pressure Leaf Filters, complemented by specialized components such as Filter Leaves, Self-Cleaning Strainers, Liquid Sulphur Pump Systems, Liquid Sulphur Polishing Filters, Jacketed Valves, Turbidity Analysers, and Bubble Tube instrumentation. The company also offers complete Sulphur Melting and Filtration Modules with modular/plug-and-play construction. Engineering services include Filtration Process Audit and Filtration Process Consultancy. All products are designed, manufactured, and shipped from Culemborg, Netherlands to clients worldwide.
Differentiator
Problem solved
Functional benefit
Products and services
- Pressure Leaf Filters High-quality Dutch Engineered Pressure Leaf Filters for batch and continuous filtration processes, comprising several vertical filter leaves positioned in horizontal or vertical filter tanks. Fluid passes over the filter medium; collected solids form a filter cake while filtered liquid flows through the leaf to the filtrate outlet manifold. Sold to industrial clients in chemical processing, edible oils, and mineral/metal sectors.
- Self-Cleaning Candle Filter (DEFS-SCCF) Dutch Engineered Self-Cleaning Candle Filter for polishing applications with low solid loads or as prefilters with relatively high solid loads. PLC-controlled cleaning and filtration cycle based on process parameters, available in manual, semi-automatic, and fully automatic operation. Fully enclosed filter system improving safety, health, and environmental performance. Sold to crop protection chemicals, herbicide, and broader chemical producers.
- Horizontal Plate Filter (Sparkler/Seitz type) Dutch Engineered Horizontal Plate Filter (Sparkler/Seitz type) comprising a vertical tank with horizontally stacked filter plates for numerous industrial applications and processes.
- Self-Cleaning Strainer Industrial self-cleaning strainer for liquid sulphur applications, designed to remove contaminants from process streams with automated cleaning.
- Liquid Sulphur Polishing Filter Filter designed for final polishing of liquid sulphur to achieve low ash levels (5-8 ppm) for sulphur burning plants, extending catalyst bed lifetime. Deployed for UBE Corporation Europe sulphuric acid converter polishing application.
- Sulphur Melting and Filtration Modules Complete modular systems for sulphur melting and purification with plug-and-play installation capability, integrating melting and filtration into a single engineered module.
- Melter (Sulphur Melter) Above-ground round melter systems for solid sulphur melting with improved flow patterns and heat transfer efficiency.
- Turbidity Analyser
Quantifiable outcome
- Achieve ash levels as low as 10-15 ppm in sulphur burning plants
- +4 more outcomes
Companies that use Sulphurnet
Customer profileNamed customers3 records
Segments4 records
Ideal customer profiles2 records
Sulphurnet technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature6 records
Sulphurnet partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- Elessentcore - acquisitionElessent has acquired Sulphurnet. This acquisition positions Sulphurnet as part of a larger organization while maintaining its operations. The acquisition is noted on Sulphurnet's website with a link to the press release.
Scale indicators6 records
Recent moves4 records
Expansion highlights5 records
Sulphurnet competitors and assessment
Company assessmentBroad incumbents
- Donaldson Company: Large public industrial filtration company (NYSE: DCI) with industrial process and air filtration solutions. Overlaps with Sulphurnet in industrial filtration equipment sold into chemical and process markets.
- Pall Corporation: Danaher-owned global filtration leader offering industrial process filters, cartridges, and separation systems across chemical, refining, and process industries. Much larger portfolio but overlaps in industrial process filtration served by Sulphurnet.
- Filtration Group: Global industrial filtration platform (acquired by Madison Dearborn) producing air, liquid, and process filtration products. Broader portfolio than Sulphurnet but overlapping in industrial liquid process filtration.
- GMM Pfaudler: Process equipment manufacturer (glass-lined reactors, filtration, drying) serving chemical and pharmaceutical industries. Overlaps with Sulphurnet in process equipment supply to sulphuric acid and chemical plants.
- Andritz Separation: Austrian industrial group with a dedicated Separation division offering centrifuges, filters, and complete process plants for chemical, food, and mining — comparable in serving sulphuric acid producers and refinery operators.
- Metso Corporation: Global process equipment and services company (filters, screens, mills) serving mining, metals, and chemical processing. Competes in industrial filtration system sales to mineral processing and chemical customers, an adjacent segment to Sulphurnet.
Direct peers
- BHS Filtration: Manufacturer of industrial filtration equipment including pressure leaf filters, candle filters, and rotary drum filters serving chemical, pharmaceutical, and process industries. Directly comparable to Sulphurnet's pressure leaf and candle filter product lines.
- Sparkler Filters: Long-established US manufacturer of horizontal plate filters (Sparkler/Seitz type) — the exact filter architecture Sulphurnet produces — for chemical, pharmaceutical, and food processing applications.
- Porvair Filtration Group: UK-based manufacturer of industrial and process filtration equipment, including candle and leaf-style filters, serving chemical, energy, and process industries. Closely comparable product portfolio to Sulphurnet.
Others
- Elessent Clean Technologies: Parent company of Sulphurnet and a major process technology licensor (MECS sulfuric acid technology, STRATCO alkylation). Sulphurnet now sits inside Elessent's broader sulphuric acid and process equipment portfolio, making it the most direct ecosystem counterpart.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks6 records
Key highlights7 records
Customer concentration
Sulphurnet social profiles
Digital presenceSulphurnet compliance and trust
Trust signalCompliance1 record
Sulphurnet financial estimates
Financial estimateRevenue estimate
Valuation estimate
Sulphurnet leadership team
Management profileNumber of profiles
Profiles3 records
Sulphurnet funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Sulphurnet M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Sulphurnet
What does Sulphurnet do?
Sulphurnet designs, plans, manufactures, and ships custom-engineered industrial filtration equipment — including Pressure Leaf Filters, Self-Cleaning Candle Filters, Horizontal Plate Filters, Self-Cleaning Strainers, Liquid Sulphur Polishing Filters, and Sulphur Melters — along with complete Sulphur Melting and Filtration Modules. The company also delivers engineering services such as filtration process audits, consultancy, operator training, and commissioning support to industrial clients worldwide.
Is Sulphurnet a public or private company?
Sulphurnet is a private company. It is classified as corporate owned and is currently acquired.
When was Sulphurnet founded?
Sulphurnet was founded in 2007. It employs 11 to 50 people.
Where is Sulphurnet based?
Sulphurnet is headquartered in Culemborg, Netherlands, in the Europe region.
How does Sulphurnet make money?
Three revenue lines are on record. Industrial Filtration Equipment Sales are the primary driver. The others are sulphur Melting and Purification Plants and engineering Services.
Who are Sulphurnet's main competitors?
Broad incumbents on record are Donaldson Company, Pall Corporation, Filtration Group, GMM Pfaudler, Andritz Separation and Metso Corporation. Direct peers are BHS Filtration, Sparkler Filters and Porvair Filtration Group. Elessent Clean Technologies is listed as an others.
Does Sulphurnet have an API?
No public API is recorded for Sulphurnet.
What industry is Sulphurnet in?
Sulphurnet's product category is Industrial Filtration Equipment. Its primary akta.pro industry code is IMAHAEAB, Separation & Filtration Equipment (Filters, Centrifuges, Membranes), with a secondary code of IMAHALAF, Dust Collection & Air Filtration Equipment (Industrial). Its NAICS code is 333413 and its SIC code is 3561.