Welcome
Hi, I'm Karabo Nthethe (Pr. Eng), a professional engineer, consultant, technical content writer, educator/trainer/mentor, and the proud founder of WATEN Process Engineering (Pty) and WATEN - Water and Energy Technical Writing Services (Pty). With a deep passion for sustainable water resources and wastewater management, circular economy integration, and fostering positive ecological impact, I have dedicated my career to revolutionizing the industry.




About WATEN Group of Companies
​Founded by a seasoned professional process (chemical) engineer with over 20 years of experience in the water and wastewater operations and management industry, WATEN Process Engineering (Pty) and WATEN - Water and Energy Technical Writing Services (Pty) are industry experts in sustainable wastewater management and technical content creation​
​
-
Our Mission: "To advance sustainable water resources and wastewater management through innovative process engineering, impactful SME technical content writing & creation, and comprehensive traing & educational programs."
-
Our Vision: "To be a global leader in promoting a circular economy and sustainable practices in the water and wastewater management industry within a circular econmy, creating a positive ecological impact while empowering businesses, eco-entrepreneurs & and professionals."
Meet Our Founder & Managing Director
With over 20 years of experience in water and wastewater infrastructure planning and development, I am deeply passionate about sustainable water resources and wastewater management, circular economy integration, and fostering positive ecological impact. I have dedicated my career to revolutionizing the industry by integrating innovative solutions and empowering others through education and mentorship."

Engineering and Management Expertise & Skills Set
With a strong background in Chemical Engineering and a specialization in Water Utilization Engineering, my expertise and experience have fueled my passion for creating solutions that drive positive ecological impact. My roles as a Senior Process Engineer and Senior Manager for Process Engineering and Environmental Services at a city-owned wastewater management utility have equipped me with the skills and knowledge to lead WATEN Process Engineering and WATEN Technical Writing Services towards a sustainable and circular future. Throughout my career, I have led and contributed to numerous significant projects and activities as a lead process engineer and senior manager. Some of these include:
Continuous improvement and optimization of 19 WWTPs to achieve green drop certification and deliver medium to long-term treatment capacity
-
Identifying process inefficiencies and capacity upgrading requirements through process plant audits, BioWin and spreadsheet modelling, and simulations.
Investigating new technologies to integrate into existing processes to improve WWTP treatment efficiencies and capacity
-
Developing scope and design build projects for implementing Nerada, HyBacs, and Plastic media biofilters.
Process design and client's lead process engineering function in unit process design and infrastructure capacity upgrade projects
-
50 Ml/day capacity upgrading of two plants through a BNR process.
-
13 Ml/day extension of WWTP by constructing new secondary settling tanks.
-
Process and Hydraulic Design and implementation of inlet works and chlorination tanks
Developing sustaiable sludge management strategy and 5 year operational plan for the 19 WWTP
-
Establishing present and future sludge production.
-
Classifying sludge quality based on WRC guidelines.
-
Reviewing and screening technologies.
-
Conducting cost-benefit analysis of sustainable sludge management options
-
Getting the sludge managagement and beneficitiation strategy approved by both the Board of Directors and the Municipality Council
-
Creating sludge management plans for each of the 19 WWTPs.
Other Responsibilities
-
Ensuring project environmental compliance and obtaining Water Use Licensing and Permits.
-
Supporting procurement through tender specifications, evaluations, and adjudications.
-
Leading, training, and mentoring process engineers and environmentalists."
Thought Leadership & Knowledge Sharing
In addition to our consulting services, WATEN Consulting Group is passionate about promoting knowledge sharing and advancing the conversation around sustainable water management
LinkedIn Newsletter
-
I am the author of the "Wastewater Circular Economy" LinkedIn Newsletter, reaching over 2,000 subscribers with insights and thought leadership content.
Content Creation
-
I actively create infographics and carousels on LinkedIn to visually engage audiences and raise awareness about critical water management topics.



Why Us
My extensive experience and successful track record in above projects and roles directly benefit our clients at WATEN Process Engineering and WATEN Technical Writing Services. By leveraging my expertise, we provide clients with:
01
Innovative and sustainable wastewater management solutions.
03
Comprehensive educational and training programs to empower your business professionals or your entrepreneural opportunities in a circular economy
02
Thoroughly researched and expertly written technical content.
04
Strategic guidance and consulting for your water and and associated wastewater treatment compliance, reuse, renewable energy and resources recovery projects.
Our Exceptional Quality