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Aerzen Rental to the rescue of a Food Company

27 May 2020

Aerzen Rental Solutions markets short and medium-term hire solutions supplying Aerzen blowers and compressors and is a wholly owned Aerzen group subsidiary.

From our local depot based in Derbyshire, UK, we can quickly manage our customers' needs for oil-free air and gas blower and compressor plug and play rental packages.

One example of where Aerzen Rental have been used was where a food company built a new fruit juice production facility, which will generate wastewater effluents that requires treatment. A wastewater treatment plant expansion has also been planned; however, unforeseen events have caused a 4-month delay in its construction. Without the ability to treat the effluents, the new production line cannot be operated, which represents a loss of €200,000 per week for the company. Rather than accepting the delay, the company chose to turn to a water engineering company to find a solution.

In addition to blowers, Aerzen Rental Solutions can offer fine bubble air diffusion grids from within its portfolio, which can transform any tank into an aerobic treatment unit. Our water engineering customers, who have already used this capability in the past, naturally turned to us to install a temporary treatment solution in an existing sludge storage tank that was onsite.

For this process, it was decided to operate according to the principle of SBR (sequencing batch reactor), and this required the following equipment and operations:

• A generator was required to provide power to the pumps and blower

• Pumps and pipes to transfer process effluents to a buffer tank

• Pumps for transferring homogeneous effluents into the mud silo

• A 1500m3/h blower and 3 grids of fine bubble aeration diffusers

• Seeding of the basin with sludge that requires delivery with slurry trucks.

The implementation of this temporary treatment project faced several safety and logistical challenges that were identified and mitigated by thoughtful planning and the technical expertise by the Aerzen Rental Solutions team. The busy construction site required stabilization as the soft ground would not support the heavy equipment required (generators, blowers) With scheduled deliveries and a crane supporting the lifting and placement of the aeration grids into the sludge tanks. All the heavy equipment and accessories were connected and tested by Aerzen service engineers. The final biological treatment mass had to be sown, this was accomplished by using multiple deliveries of agricultural slurry. 

Aerzen Rental Solutions where therefore able to offer a complete package solution to the customer in a quick and cost-effective time that mitigated the issue and the impending costs successfully

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