PART I – UNDERSTANDING NATURE

CHAPTER 1 — Nature Never Creates Waste
CHAPTER 1 — Nature Never Creates Waste
Nature has spent billions of years perfecting the recycling of organic matter. Every natural ecosystem depends upon this continuous biological cycle to sustain life. Modern wastewater treatment is most successful... Read more...
CHAPTER 2 — Nature's Invisible Workforce
CHAPTER 2 — Nature's Invisible Workforce
Successful biological wastewater treatment depends on healthy populations of living bacteria. As they consume organic waste, bacteria produce specialised enzymes that break complex materials into simpler nutrients. The bacteria then... Read more...
CHAPTER 3 — The Circle of Life
CHAPTER 3 — The Circle of Life
Nature maintains healthy ecosystems through continuous biological recycling. Living bacteria produce enzymes that break complex organic matter into nutrients, which are then consumed by the bacteria to support growth and... Read more...
CHAPTER 4 — Understanding Wastewater
CHAPTER 4 — Understanding Wastewater
Wastewater contains organic matter, nutrients and suspended solids that must be stabilised before water is safely returned to the environment. Measurements such as Biological Oxygen Demand (BOD), Chemical Oxygen Demand... Read more...
CHAPTER 5 — The Journey of One Flush
CHAPTER 5 — The Journey of One Flush
Wastewater follows different paths depending on where it is generated, but every journey depends on the same biological principles. From septic tanks and sewer networks to pump stations and municipal... Read more...