Can zero-emission technology truly achieve zero emissions as claimed? Is the cost very high?
Thread Content
Following the issue regarding wastewater treatment, many friends replied that zero-emission technologies exist. So does this zero-emission technology truly mean, in its literal sense, no emissions at all? Is the cost very high? Is this technology currently being implemented in China? What process?
Absolute zero emissions are very difficult to achieve; it can only be considered in a theoretical sense.
You can check my space log to find out
This post was last edited by shiqin778 on 2016-6-21 at 17:34. Your question is as follows: it’s possible to recycle materials that have value and achieve zero emissions; it’s impossible to do so with materials that have no value, so they need to be sorted for proper handling. Zero emissions do not necessarily mean high costs; sometimes they can even generate substantial profits. For example, we dealt with saline acidic wastewater and achieved zero emissions; the original treatment cost was 400 yuan per ton, while now we earn 660 yuan per ton of wastewater after treatment. So nothing is immutable. An investment of 20 million in wastewater treatment projects has turned it into a core business that generates annual profits of around 60 million.
Zero emissions refer to the process of filtering concentrated water using ultra-high pressure reverse osmosis membranes DTRO, thereby concentrating it by 60-70%; subsequent to this, the concentrated water is evaporated and crystallized into solids through MVR evaporation, after which it is handed over to specialized environmental protection agencies for further treatment.
In fact, there is also highly efficient and energy-saving forward osmosis.
To achieve zero emissions, an effective approach is to implement the sorting and reuse of resources; those approaches that cannot enable resource reuse have very limited potential for achieving zero emissions.
What product was produced after the poster’s processing? The profits are so high.