There are many research papers published on Potassium permanganate (KMnO4) bleaching which state that it is sustainable process to do bleaching with potassium permanganate.
e.g.
1. http://trj.sagepub.com/content/78/6/497.abstract
2.http://nopr.niscair.res.in/bitstream/123456789/32548/1/IJFTR%2016(4)%20270-274.pdf
I agree with conducted research regarding effectiveness and results obtained through use of potassium permanganate, but I have come to know recent news that KMnO4 is restricted in many countries and it is non-biodegradable at all.
CHT Bezema has introduced alternative of KMnO4 which is 99% biodegradable, you may visit following link to know about their product.
http://www.cht.com/cht/web.nsf/id/pa_organiq_promo_en.html
As per CHT report, Why KMnO4 is restricted?
Manganese is a heavy metal and not biodegradable. Potassium permanganate (KMnO4) belongs to the substances which are particularly dangerous to the environment with high fish toxicity. In many countries there are strict regulations or even an obligation to provide evidence to avoid any misuse of KMnO4.
Please share your valuable information and thoughts.
Hydrogen peroxide is the most popular bleaching agent for textile fabrics for valid reasons, such as it is highly effective and by decomposition it produces oxygen and water that are non-toxic.
As Dr hassan mentioned Hydrogen peroxid is recommended for textile fabrics.
Regards
Basically, still Hydrogen peroxide is the most suitable than any other bleaching agent but it has some detrimental effect on the fabric strength. Moreover it can not work without sodium hydroxide which is a great limitation of peroxide bleaching. I, myself am doing some research using some eco-friendly agents and waiting for final result. Let see what is coming..... Please dua.....
No doubt the Hydrogen peroxide is the most commercial and eco-friendly bleaching agent compared to potassium permanganate. The aim my study was to do single step complete pretreatment of fabric instead of multi step conventional method. That is more eco-friendly and energy saving compared to conventional strong alkaline scouring and high temperature alkaline peroxide bleaching.
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