Making the Wastewater Treatment Plant less stinky
Can you smell the wastewater treatment plant on Kioreroa Road? 🐷
We've got a plan to make it less smelly: covers and odour treatment systems (bio filters) will be installed around the four stinkiest parts of the plant between now and September 2025. What are those 4 parts? Buckle up.
💩 1: the inlet works (where the untreated sewage comes in for treating), screenings bin (where the lumps go, including old barbie dolls and false teeth)
😷 2: the sludge thickener tanks (that reduce the water in the sludge prior to disposal)
🟫 3: the sludge holding tanks (exactly what they sound like)
🐌🐌 4. the snail bin. The water treatment plant has four large trickling filters - large round bins filled with granite rock. The wastewater trickles over the rocks and the algae growing on them. The algae take massive amounts of nutrients out of the wastewater and clean it up. It’s a very robust and natural process, accelerated by engineering and technology.
The algae attract small snails (3mm), which just love the environment in the trickling filter – it is wet and full of food. The snails grow there by the billions. Every now and then, a few snails are swept out with the wastewater and are filtered out before the water goes to further cleaning.
Those “few snails” however, add up to 2-3 cubic metres per week. We put them in our snail bin and empty it weekly. However, this is long enough for it to over-power all the other smells in the wastewater treatment plant.
Neighbourhood Challenge: Who Can Crack This One? ⛓️💥❔
What has a head but no brain?
Do you think you know the answer? Simply 'Like' this post if you know the answer and the big reveal will be posted in the comments at 2pm on the day!
Want to stop seeing these in your newsfeed?
Head here and hover on the Following button on the top right of the page (and it will show Unfollow) and then click it. If it is giving you the option to Follow, then you've successfully unfollowed the Riddles page.
Poll: Is it ok to regift something that you have been given?
🎁 Holiday Gift Chat!
Do you ever regift?
What’s your take on asking for a receipt if a gift doesn’t fit?
-
76.5% Yes! It's better to regift what I don't need
-
23.5% No. It's the thought and effort that matters
Some Choice News!
Many New Zealand gardens aren’t seeing as many monarch butterflies fluttering around their swan plants and flower beds these days — the hungry Asian paper wasp has been taking its toll.
Thanks to people like Alan Baldick, who’s made it his mission to protect the monarch, his neighbours still get to enjoy these beautiful butterflies in their own backyards.
Thinking about planting something to invite more butterflies, bees, and birds into your garden?
Thanks for your mahi, Alan! We hope this brings a smile!
Loading…
