Waste Equals Energy: Decentralised Anaerobic
Waste Treatment And Local Reuse Of Return Flows
Author(s)
A. van Timmeren
Abstract
In the built environment, the distance created between the (environmental)
problem and its solution leads to more and more complexity. The process of
changing the interrelated public and private services, systems and infrastructures
is becoming more and more complicated and less predictable. Together with the
increased scaling, the convergence of utilities and the growing number of parties
and techniques involved, the end users’ (consumers’) subjective dependence
(heteronomy) has increased. This asks for a simplification of the processes,
products (or rather, services). A larger concentration on integral provision of
services, or, in other words, the supply and management of integral packages,
offers possibilities. This seems to be reinforced by the ongoing liberalization
processes. This paper will focus on an innovative concept of integrated
decentralised technologies for wastewater and organic waste treatment with
energy and nutrients recovery. The concept is called Sustainable Implant (SI).
Principally, the concept is based on a small-scale biogas installation (with
treatment of blackwater and organic waste), Combined Heat Power (CHP) and
accompanying closed glasshouse with ‘hanging gardens’. These ‘hanging
gardens’ are situated in a non-ventilated space with heat (and water) recovery,
heat/cold storage (in an underlying aquifer) and with injection of the surplus CO2
of the biogas plant. The SI will be realized as a part of this semi-public building
and has an interconnecting role between both district and building, inhabitants
and visitors. The system layout and the dimensioning backgrounds are explained
in this paper. Additional emphasis is put on maintenance, conservation and
administration of the integrated whole, and the possible consequences for the
district and its inhabitants.
Keywords: anaerobic waste treatment, decentralisation, local reuse.
Keywords
anaerobic waste treatment, decentralisation, local reuse.
Related Book
Other papers in this volume
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