Most industries, like the food industry, are heavily dependent on water. This water is mostly discharged, or first purified and then discharged. Companies will try to economize on water, primari...
Environmental engineering’s agency Colsen b.v. designs, specifies and realizes several kinds of wastewater treatment installations for industrial- and communal wastewater. These installations ar...
For cleaning and desulphurization of the biogas produced is used in fermentation or wastewater treatment plants from a biological ontzwavelingsmethode . Colsen example has developed a system cal...
On energy there is in Dutch industry a heavy dependence on fossil fuels. In view of rising energy costs and excessive dependence of this on our own production , there is an alternative and subst...
Environmental engineering’s agency Colsen b.v. developed with the Ghent University, the University of Copenhagen and other participants in Europe and Israel a cost effective method to treat manu...
Colsen is focusing strongly on development trajectories with an added value for the operator of digestion plants. The results of these developments are usually visualized based on its profitable...
A wide variety of situations like ground- or building works could ask for levelling of groundwater. Inventories of the expected quantity of the groundwater to be discharged has to be made. The e...
Beside regulations regarding soil operations also soil-water mixtures from dredging are facing strict regulations. Soil-water mixtures are to be examined before the product can be recycled. The ...
Asbestos was used on a common basis during building activities in the past. Due to renovations and other activities asbestos is discovered and found.
Colsen b.v. is able to determine the...
In many cases a soil study is required before a building or environmental permit permit can be requested. Also during a sales transfer of the purchase of land a soil q...
Soil- or groundwater contamination’s above specified limits are necessary to be decontaminated. A decontamination can be realized through a variety of options, such as:
Under Dutch law it is NOT allowed to execute activities without prior notification or permit issuance by the (local) authorities. Occasionally the possibility for experimenting has been granted ...
ISO 14001 was first published in 1996 and specifies the actual requirements for an environmental management system (EMS). It applies to those environmental aspects which the organization has con...
The EU-directive “Integrated Pollution Prevention and Control” (IPPC-directive 96/61/EC concerning integrated pollution prevention and control). In essence the directive is about minimizing poll...
The delivery of reversed osmosis systems are made through our company Colsen International bv.
Through years of experience in the fields of engineering, technology and construction of th...
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