TOGA issues RFP for water recycling study

May 04, 2012
Written by
May 4, 2012 — The Ontario Greenhouse Alliance is sponsoring a major research project into water recycling.

It has issued a Request For Proposal for a "Comprehensive Scan of Science and Technology Relevant to Greenhouse Recycled Water Chemistry Needs."

The RFP deadline is May 18 of this year.

According to the RFP: "The long-term goal of the greenhouse sector is to achieve one hundred per cent recycling, allowing the greenhouse operator to recover the full value of nutrients, and water use and leading to zero discharge to watercourses.

"With current technologies, this outcome is very difficult to achieve for many greenhouse operations. The main technical barrier to achieving one hundred per cent recycling is the gradual accumulation of chemical substances including sulphates, chlorides, and carbonates in the recycled water, referred to as limiters in this RFP.

"The main focus of this project is on sulphates, chlorides and carbonates as they are the primary known risk factors to plant health as they accumulate. However, research related to other limiters such as organic compounds is also relevant to the overall project goals."

Click here for more information on the RFP.

The Ontario Greenhouse Alliance (TOGA) was incorporated as a not-for profit entity in 2003 to be the common voice for the Ontario greenhouse sector. TOGA has two members:

• Ontario Greenhouse Vegetable Growers (OGVG), based in Leamington.

• Flowers Canada (Ontario) [FCO], based in Guelph.

Through its two members, TOGA represents approximately 500 Ontario greenhouse growers (cut flowers, potted plants, bedding plants, cucumber, tomato and peppers, etc.).

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