Diesel to 864 Plastic

INPUT: 384 Diesel 48 High Steam 288 Brine 18 Limestone 192 Water is the maximum consumption. This depends on the washing machine/high-pressure generation and, of course, the amount of plastic Production.

Output: 864 Plastic 96 Gas maximum can flare off, or used to generate High Steam, or somewere else in your Network. 18 Slag maximum, must be processed on your network. 24 Sulfur maximum, must be processed on your network. 3 graphite maximum

All Storages are only a reminder and optional. How you produce High Steam is up to you. some pipes are op. :)
It could be built much more compactly, but personally I'm not a fan of that; if there's a mistake somewhere, I'll see it much faster and have room to fix it. :)