aqua & waste International GmbH


Mengendamm 16D
D-30177 Hannover/Germany
Telefon: +49 (0) 511 132 221 82


Prof. Dr.-Ing. Peter Hartwig
Dr.-Ing. Niklas Trautmann

Commercial Registry

HRB 205115, Amtsgericht Hannover
UID: DE812999621

Content of the online services

aqua & waste International GmbH (hereinafter referred to as the author) accepts no responsibility for the up-to-date nature, correctness, completeness or quality of the information provided. Liability claims against the author relating to material or non-material damage caused by the use or non-use of the information provided or by the use of incorrect or incomplete information are excluded as a matter of principle, provided that there is no evidence of wilful intent or gross negligence on the part of the author. The author expressly reserves the right to change, supplement or delete parts of the pages or the entire offer without separate announcement or to cease publication temporarily or permanently.

Graphics and images

Some of the graphics and photographs shown on this website are the property of the companies or natural or legal persons listed in the presentation or have been licensed to them by third parties. The following applies to all graphics and photographs shown: The copyright and all other rights to these graphics and images remain with the above-mentioned owners and/or their licensors. Reproduction or use, copying or storage of any form of these graphics and photographs, either in their entirety or in excerpts, in other electronic or printed publications is hereby explicitly prohibited.

References and links

Although the information published on this website has been carefully compiled, no liability can be accepted with regard to its being up-to-date, correct, complete or of good quality. The material is provided for general information purposes only. The information on this website does not constitute advice on any specific matter and no liability is accepted for any loss or damage arising from the use of this information, unless incorrect information has been deliberately provided. Parts of the website or the complete publication including all offers and information might be extended, changed or partly or completely deleted by the author without separate announcement. The author is not responsible for any contents linked or referred to from his pages – unless he has full knowledge of illegal contents and would be able to prevent the visitors of his site from viewing those pages. The author hereby explicitly declares that at the time the links were created, no illegal content was discernible on the linked pages. The author has no influence on the current and future design, content or authorship of the linked pages. For this reason, the author hereby explicitly dissociates himself from all contents of all linked pages that were changed after the link was created. This statement applies to all links and references set within the author’s own website. Liability for illegal, incorrect or incomplete content and in particular for damage arising from the use or non-use of such information lies solely with the provider of the page to which reference is made, and not with the person who merely refers to the respective publication via links.

Copyright and trademark law

The author endeavours to observe the copyrights of the graphics and texts used in all publications, to use graphics and texts created by himself or to use licence-free graphics and texts. All brands and trademarks mentioned on the website and possibly protected by third parties are subject without restriction to the provisions of the applicable trademark law and the ownership rights of the respective registered owners. The mere mention of a trademark does not imply that it is not protected by the rights of third parties! The copyright for published texts and objects created by the author himself remains solely with the author of the pages. Any duplication or use of objects such as diagrams, sounds or texts in other electronic or printed publications is not permitted without the author’s agreement.

Data protection

In connection with your access to this website, data transmitted by your browser is stored in the server log files for backup purposes, which may allow identification (e.g., browser type/version, operating system, IP address, date, time and pages accessed). No personal data is used. The statistical evaluation of anonymised data records is only carried out for the purpose of improving the quality of this service. You can use this online service without disclosing your identity. If you register for a personalised service, you will be asked for personal information (e.g., name, e-mail address). It is your free decision whether you enter this data. The transmission of data on the Internet involves risks: Information that you send unencrypted as an e-mail or via the forms used by this website can be read and changed by third parties en route. Legal validity of this disclaimer: This disclaimer is to be regarded as part of the internet publication which you were referred from. If sections or individual terms of this statement are not legal or correct, the content or validity of the other parts remain uninfluenced by this fact.

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