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  • activated carbon

Activated Carbon vs Other Technologies for H2S Removal

August 19, 2025|0 Comments

Hydrogen sulfide (H2S) is a toxic, corrosive, and foul-smelling gas commonly encountered in industries such as oil and gas, wastewater treatment, and biogas production. Effective removal of H2S is critical for environmental compliance, worker safety, [...]

  • Mercaptan

Mercaptans in Oil and Gas Production

August 12, 2025|0 Comments

Introduction to Mercaptans Mercaptans, also known as thiols, are a class of organic sulfur compounds characterized by the general formula R-SH, where "R" represents an alkyl or other organic group. They are essentially the sulfur [...]

  • Amine Plant

Amine Plants in Natural Gas Processing

August 5, 2025|0 Comments

Amine plants are essential in natural gas processing, removing impurities such as hydrogen sulfide (H2S) and carbon dioxide (CO2) to produce pipeline-quality gas or prepare gas for further processing, such as liquefaction. These impurities, often [...]

Our Services

Why Choose Our Services?

RFP Facilitation
We can manage your H2S removal RFP from start to finish and ensure you select the most efficient solution, in terms of service and treatment cost ($/BOE or $/kg H2S removed). We know what questions to ask to ensure the vendor's solution is targeted to the client's needs.
SRU Design
We utilize in-house developed software to model and design the ideal Sulfur removal system that fits your needs. We have extensive experience in most application methods and equipment packages, including co-current and counter current dynamic contactors, static systems, Fixed bed adsorbers, and direct injection systems.
Scrubber Design
Apart from our standard portfolio of scrubbers, we can also assist you with custom designs for applications that are out of the ordinary. Our liquid scrubber systems are the most efficient on the market, maximizing scavenger (absorbent) usage and thus lowering annual treatment costs.
System Optimization
We can assist clients with analyzing and troubleshooting existing H2S removal systems with the goal of increasing scavenging efficiency and reducing operational downtime. Our modelling software can identify critical factors in existing Bubble Columns that are causing solids formation or poor efficiencies.
H2S Management
We can manage all aspects of your H2S removal needs, from an initial field survey to designing and implementing a suitable program. A hand-off approach is also possible in which FirstKlaz technologies would monitor the system, manage chemical consumption and logistics. A monthly report will then be provided which covers chemical expenditure and usage.
Water Management
We can design programs for H2S removal for both wastewater and freshwater systems. Programs are designed to meet all environmental regulations. Scrubbers can also be designed to be used with our extensive portfolio of water treatment chemistries.
Custom Solutions
We specialize in delivering tailored engineering solutions for Bubble Columns and Sulfur Recovery Systems across the oil and gas, biogas, and pulp and paper industries. Our expertise ensures efficient, sustainable, and compliant designs that optimize performance and meet your operational goals.
Client Orientated
At our core, we are a client-oriented company dedicated to delivering exceptional value through personalized service and tailored solutions. We prioritize understanding your unique needs, whether in the oil and gas, biogas, or pulp and paper industries, ensuring that our services aligns with your specific goals and challenges.
Experience
With over 20 years of experience in the H2S removal market, our company brings unparalleled expertise to deliver reliable, efficient, and innovative solutions for clients in the oil and gas, biogas, and pulp and paper industries. We understand the complexities of H2S removal, enabling us to design and implement systems that maximize sulfur recovery, minimize environmental impact, and comply with stringent regulations.
A to Z
FirstKlaz Technologies specializes in custom equipment design as well as providing the best in class chemistry to be used with the equipment. We also design complete packages to fit your need, this may include mobile scrubbers or single contactor vessels. We can thus provide our clinets with an A to Z solution.
Best in Class Technology
Due to our extensive background in H2S removal, we design the most efficient systems in the market. Your cost per kg H2S removed will be substantially lower if compared to competing technology. We combine equipment, chemistry and the latest software models to provide you the best in class H2S removal solution.
Flexible Sales Models
We proud ourselves in providing clients many different options regarding purchasing any of our services. We understand that some clients prefer an OPEX approach to H2S removal (instead of CAPEX), and thus we can assist in designing a solution that fits your needs. We can also provide equipment on lease or rent.

Liquid Scavenger Portfolio

Adsorbent Portfolio

We have an extensive portfolio of both MMA and MEA Triazines. Formulation activity ranging from 25 to 50%. Custom blends can also be provided.

  • Potassium Permanganate
  • Hydrogen Peroxide
  • Sodium Hypochlorite
  • Sodium and Potassium Chlorite

Proprietary specialized formulations developed exclusively by FirstKlaz Technologies. These formulations outperform any existing Triazine blend in terms of $/kg of H2S removed.

Developed by FirstKlaz technologies, these formulations provide equal or improved scavenging performance compared to traditional Triazines, with the added benefit of being classified as environmentally friendly. All product in this portfolio is certified as Gold by CEFAS.

We have a portfolio of both Potassium and Sodium Hydroxide products.

This portfolio of products is developed to limit Nitrogen contamination in downstream processes.

Extensive portfolio of FeO based Adsorbents for the oil and gas and Bio-gas industries.

FeOH based Adsorbent for the oil and gas industry.

We offer Iron Carbamates as an alternative to the traditional FeO based products for the oil and gas, pulp and paper and mining industries.

The Mixed metal oxide portfolio consists of products formulated with Cu, Zn and Mn, suitable for specialized applications. The portfolio differs from the traditional granular material and is pelletized to provide superior pressure drop profiles.

Standard and Caustic impregnated Activated Carbon

Adsorbents designed specifically for Mercaptan removal from natural gas streams.