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Shear-enhanced flotation separation to treat winery wastewater
Wineries generate variable wastewater effluent that could be costly to treat and difficult to discharge or reuse. A shear‑enhanced flotation separation (SEFS) process – combining hydrodynamic shear, coagulation, flocculation and dissolved air flotation was designed, developed and piloted to…
By BRADLEY CERFF · 6 min read
Cabernet Sauvignon responses to irrigation using winery wastewater
Introduction
By Sandile · 10 min read
Resolutions adopted by OIV
The 14th General Assembly of the International Organisation of Vine and Wine (OIV), which met on 28 October 2016 in Bento Gonçalves (Brazil), adopted a total of
By OIV · 7 min read
New Winetech projects for 2017 (Part 4)
1. Improving poor performing grapevines by means of root pruning or mulching
By Winetech Editorial Team · 4 min read
From natural resource to scarce commodity
The old adage, “You don’t miss your water until the well runs dry” rings particularly true now we’re in the midst of a drought. Waterwise changes must be implem
By Doronae · 5 min read
Resolutions adopted by OIV
The 15th General Assembly of the International Organisation of Vine and Wine (OIV), which met on 2 June 2017 in Sofia (Bulgaria), adopted a total of 22 resoluti
By OIV · 8 min read
How responsible is your wine’s message?
South Africa is the sixth biggest consumer of alcohol in the world, and this often leaves vulnerable communities exposed to the harmful effects of alcohol abuse
By Anton Pretorius · 6 min read
Resolutions adopted by OIV
The 17th General Assembly of the International Organisation of Vine and Wine (OIV), which met on 19 July 2019 in Geneva (Switzerland), adopted a total of 18 res
By OIV · 6 min read
Keeping Aware - Q&A with Carmen Mohapi
Aware's announced its CEO would be stepping down in January 2022. We asked interim CEO Carmen Mohapi about her taking the reins.
By Johannes Richter · 4 min read
The CRISPR revolution and grapevine
Genome editing is a catchall phrase to describe the technologies that are available to alter an organism’s DNA. The most promising of these technologies is CRISPR, which is an acronym for ‘Clustered Regularly Interspaced Short Palindromic Repeats’ and occurs in nature as a bacterial ‘immune system’.
By Manuela Campa, Philip Young, Melané Vivier and Johan Burger · 9 min read
Fruit salad vs varnish - nitrogen sources and their impact on aroma production in wine
Nitrogen is a key element necessary for synthesising amino acids, nucleic acids, vitamins and various other compounds in living organisms, including wine yeasts.
By James Duncan & Benoit Divol · 12 min read
Biosand reactors as a feasible solution for the treatment of winery wastewater (Part 1)
A number of laboratory-based and pilot studies have been conducted to determine the effectiveness of biosand reactors for the remediation of winery wastewater.
By Gareth Holtman, Rainer Haldenwang & Pamela Welz · 8 min read
