GineersNow HVACR Leaders Magazine Issue 001

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2 HVACR Leaders • May 2017

2 E-Commerce, Online Distribution and Management • March 2017 

HVACR Leaders • May 2017 

3

CREATING VALUE FOR INDUSTRY 41 

Sponsored Article 

Robert Wiseman 

Dairies 

Reducing water consumption for a higher 

economic value and a lower carbon footprint 

One of the major costs in milk processing 

is water: 1.3 liters of water is needed for 

every one liter of milk processed. On top of 

this, 4.2g of chemical oxygen demand (COD) 

is produced from every liter of milk processed, 

which is then discharged into wastewater. 

Robert Wiseman decided to optimize its 

water and wastewater use by aiming to 

reduce water consumption across its dairy 

network by 25% over a five year period. 

The project was started in their main dairy 

plant located in Bridgwater, which processes 

125 million liters of milk per day. 

Veolia Water Technologies (VWT) is 

supporting Robert Wiseman’s project by 

providing a Dissolved Air Flotation (DAF) 

system and a membrane bioreactor (MBR) 

to reduce COD. The quality of the discharged 

effluent more than meets the environmental 

requirements. In fact, the quality of the 

treated effluent was so good that Robert 

Wiseman wanted to reuse it. 

VWT therefore proposed its reverse osmosis 

(RO) system: MegaRO TM to recycle the effluent 

in order to use it for the CIP (Cleaning in 

Place) system. The MegaRO technology uses 

a membrane to remove 99% of residual COD, 

dissolved salts and bacteria from the treated 

process wastewater, producing water of equal 

or better quality than the mains supply. 

VWT was one of the early pioneers of 

MBRs, thanks to its Biosep process, and 

using this expertise VWT were able to feed 

the MBR effluent directly to the MegaRO 

system with no set-backs. Robert Wiseman 

became the first dairy industry business in 

the UK to install a RO recycle system, enabling 

them to recover 200m/day of process 

wastewater. 

The reverse osmosis process is driven by 

pressure, but the MegaRO’s low-pressure 

membranes and high-efficiency pumps make 

it one of the most energy efficient systems 

on the market. Low energy use means not 

only reduced carbon emissions but also low 

operating costs. Moreover, the quality of the 

waste concentrate stream from the MegaRO 

is still good enough for the effluent to be 

discharged directly into the drainage ditch. 

"Because the operating cost of the MegaRO 

is low, the recovered water actually costs less 

than mains water even after including capital 

amortization. We expect to get a payback on 

the £130,000 (approx. €153,000) investment 

in about two and half years." said Eleanor 

Walton, Robert Wiseman Dairies' project 

manager. 

Although the plant has only been in 

operation for six months, Walton had 

enough confidence to be talking to 

Veolia Water Technologies about 

a second plant to recycle another 

80m/day of wastewater. “We also 

want to roll out this kind of technology 

to some of our other sites where they have an 

expensive sewer discharge” she says. 

Robert Wiseman Dairies operates six 

dairies, 14 distribution depots and 

employs more than 4,700 employees. 

Robert Wiseman Dairies supplies a third 

of the UK’s milk. 

DAIRY 

RECYCLING 

50% OF ITS 

WASTEWATER

Sponsored Article 

IDRAFLOT 

New generation flotation unit 

Very compact, these units reach a high 

thickening and clarification grade allowing 

ultra-flotation with the highest removal 

efficiency on COD, suspended solids and fat. 

IDRAFLOT is a rectangular compact unit, 

easily transportable, manufactured entirely 

in stainless steel. It is provided with lamellar 

packs, to achieve high treatment capacity 

compared to its compact size, telescopic level 

adjustment to optimize the sludge extraction 

with dry matter up to 8%. 

IDRAFLOT flotation units are protected by 

three patents. They are intended to assure a 

perfect mixing of the waste with saturated 

water and an uniform distribution of the 

water flow along the entire surface of the 

unit. 

The saturation system warrants a complete 

and even saturation free from the formation 

of big bubbles. 

The reactor allows to sample and optimize 

the desired parameters through a very 

simple adjustment of chemicals (coagulant/ 

flocculant). 

IDRAFLOT is suitable: 

• As pretreatment upstream of 

a biological plant to remove 

biodegradable fats, suspended solids, 

fibres, etc. The efficiency is up to 

98% with consequent COD drop of 

between 70% - 80%. 

• As a clarification plant downstream 

of a biological plant to remove light 

sludge particles not captured by 

secondary decanters. 

• For tertiary treatment 

• For sludge thickener 

• For liquid/solid separation in 

industrial process plants (pulp 

& paper, wine, etc.), Idraflot is 

the best solution to potentiate 

surcharged or undersized plants. 

Markets & Applications 

• Dairy 

• Slaughterhouses, meat, salami and 

fat processing 

• Fishing industry 

• Canneries 

• Wine industry 

• Soft drinks production

John Vauden 

Senior Editor 

Asia-Paciic 

Hina Sapra 

Senior Editor 

South Asia 

Therese Matheren 

Senior Editor 

North America 

Engr. Randy Williams 

Guest Editor 

North America 

Amanda Pelletier 

Guest Editor 

North America 

GINEERSNOW TEAM 

Ems Bagatsing 

Sales & Marketing Director 

Ems@LincolnMartin.com 

Robert Bagatsing 

Editor-In-Chief 

editor@GineersNow.com 

Engr. Alice Hernandez 

Senior Editor-At-Large 

Charity Bagatsing 

Senior Editor 

North America 

Engr. Dion Greg Reyes 

Junior Editor 

Engr. Cielo Panda 

Junior Editor 

Engr. Aaron Kesel 

Guest Editor 

North America 

Margaret Banford 

Guest Editor 

United Kingdom 

Afsana Alam 

Guest Editor 

United Arab Emirates 

Raymond Gerard del Valle 

Junior Editor 

Goran Ćulibrk 

Marketing and IT 

Manager 

Anthony Lucero 

Video Editor 

Creative & Layout 

Engr. Emmanuel Stalling 

Guest Editor 

North America 

Patricia Eldridge 

Guest Editor 

United Kingdom 

Publisher 

GineersNow Inc. 

Level 10-1 One Global Place, 5th Avenue 

& 25th Street , BGC, Taguig, Philippines 

Tel: +632 2242 000 

Global Sales Ofice 

Lincoln Martin FZE 

Level 14, Boulevard Plaza Tower 1, 

MBR Boulevard, Emaar Square, Downtown Dubai. 

P.O. Box 334036 United Arab Emirates 

Tel: +971 50 4289684 

Disclaimer: The publishers regret that they cannot accept liability for error or 

omissions contained in this publication, however caused. The opinions and 

views contained in this publication are not necessarily those of the publishers. 

Readers are advised to seek specialist advice before acting on information 

contained in this publication, which is provided for general use and may not be 

appropriate for the readers' particular circumstances. 

The Copyright Law of the United States of America, Chapter 1, Subject 107, called the “Limitations on 

exclusive rights: Fair use” states that, “Notwithstanding the provisions of sections 106 and 106A, the 

fair use of a copyrighted work, including such use by reproduction in copies or phonorecords or by any 

other means speciied by that section, for purposes such as criticism, comment, news reporting, teaching 

(including multiple copies for classroom use), scholarship, or research, is not an infringement of copyright. 

In determining whether the use made of a work in any particular case is a fair use the factors to be 

considered shall include— 

(1) the purpose and character of the use, including whether such use is of a commercial nature or is for 

nonproit educational purposes; 

(2) the nature of the copyrighted work; 

(3) the amount and substantiality of the portion used in relation to the copyrighted work as a whole; and 

(4) the effect of the use upon the potential market for or value of the copyrighted work.”

EDITOR’S 

NOTE 

Engr. Alice Hernandez 

Senior Editor-at-Large

Contents



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10 HVACR Leaders • May 2017 

Learn more at monogram.com.


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130+ 

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Engagement 

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