Company Filing History:
2 out of 5 
1 out of 135 
1 out of 19 Years Active: 1984-1996
Title: Goran E Annergren: Innovator in Wastewater Treatment
Introduction
Goran E Annergren is a notable inventor based in Sundsvall, Sweden. He has made significant contributions to the field of wastewater treatment, holding a total of four patents. His innovative approaches have the potential to enhance environmental sustainability and efficiency in industrial processes.
Latest Patents
Among Goran's latest patents is the invention titled "Fibres of increased specific surface area." This invention focuses on improving the properties of fibers used in various applications. Another significant patent is a method for controlling an anaerobic treatment process. This method relates to treating wastewater generated from the production of peroxide bleached mechanical or chemi-mechanical pulp. The process includes a hydrolysis step, methane fermentation steps, and an aerobic step. After the hydrolysis and methane fermentation, sludge is separated from the wastewater and partially recycled back to the hydrolysis step. The redox potential of the outgoing water from the hydrolysis step is continuously monitored and controlled to maintain a value between -400 and -260 mV by adjusting the amount of recycled sludge or directing incoming wastewater to the aerobic treatment step.
Career Highlights
Goran has worked with several companies throughout his career, including Purac Aktiebolag and Mölnlycke AB. His experience in these organizations has allowed him to apply his innovative ideas in practical settings, contributing to advancements in wastewater treatment technologies.
Collaborations
Goran has collaborated with notable professionals in his field, including Per-Erik Andersson and Hans E Hoglund. These collaborations have likely enriched his work and expanded the impact of his inventions.
Conclusion
Goran E Annergren is a distinguished inventor whose work in wastewater treatment showcases his commitment to innovation and environmental sustainability. His patents reflect a deep understanding of the complexities involved in industrial processes, making him a valuable contributor to the field.