News — Environment

Water restrictions are back again and yet we are wasting hundreds of liters daily which can be used for watering the garden and flushing toilets (more usages are possible, washing machine, cleaning). A Greywater Recycling Systems, like the AQUALOOP System  for example, can produce hygienic and clean water from shower, tub and bathroom sink, which can be reused. (image: BRANZ) The potential saving by recycling greywater can be up to 40% of potable water in a domestic environment. The AQUALOOP is  not only saving  potable water, but also sewage, as water which normally will be discharged into the sewer system will be reused, therefore saving twice. The modular system...

C-MEM Zero is a portable gravity driven system for drinking water treatment without electric power and without the application of chemicals, which is based on the C-MEM hollow fibre membrane filtration. Applications households, schools, hostels camping sites / military camps emergency assistance disaster operation Advantages no electricity necessary small footprint easy installation and start-up complete removal of suspended solids, bacteria, viruses, helminth eggs (membrane barrier) long lifetime of equipment, cheap and easy replacement no additional chemicals necessary, except chlorine tablets robust process, no fine mechanical parts We have learned from the deficiencies of other drinking water treatment technologies and have...

Currently and in the last month some parts of New Zealand had torrential rainfall, after previous droughts in part of the country. How can the country make better use of the rain? What is rainwater harvesting and how does it work? Rainwater harvesting is the capture, storage and use of rainwater. Anybody can do it and it can be designed and customized to suit the needs of the user (potable water from rainwater for example). There are several types of rainwater harvesting systems, the following three are the main ones: In-situ rainwater harvesting refers to the capture of rainwater where it falls. This system is useful...