Environmental Engineering Reference
In-Depth Information
Fig. 9.3
Demand per 1 million yen for economic activities using phosphorus by weight
and although the phosphorus demands of these industries are small, they were re-
vealed to be important stakeholders in terms of yellow phosphorus consumption.
There is no production base for yellow phosphorus in Japan, and the country relies
on imports from China for over 90 % of the supply. It was revealed that the supply
of yellow phosphorus required for metal surface treatment, which is an intermediary
process, could present risks to the supply chain of the automotive industry, which is
an important industry for Japan.
9.3.4.3
Evaluation of the Effect of Innovative Technology to Recover
Phosphorus from Waste Streams
Here, the prepared IPCIO model is used to estimate the demand for phosphorus-
related commodities when there is a change in the final demand and to analyze
the ripple effects accompanying the introduction of recycling technologies. We
created the following four scenarios shown in Table
9.4
, which are considered
technically feasible, for the presumed recycling uses of phosphorus, based on the
amounts of each of the potential secondary resources obtained from the results of
the Material Flow Analysis and the recovery technologies that have been devised
at present.
