Abstract
This review article highlights alternative innovative uses of soil, brown coal, and composted solid city waste. The latter leads to environmental pollution, which can be addressed by using these materials to generate value-added products. Humic substances present there can be isolated in large amounts and used in diverse fields like sustainable agriculture, horticulture, biomedicine, and materials science. These have been shown to be non-toxic and safe for humans and serve as growth promotants for plants and to cure stomach ailments. The recent discovery of their antiviral/anti-HIV-AIDS activity is described here in some detail. The use of humic substances for making dye-sensitized solar cells (DSSCs) and for preparing a catalyst for reduction and for oxidation processes is also highlighted. Such innovative uses of humic substances can lead to environmental cleaning and positively impact climate change.
Highlights
Value-added products are expected to be available from different natural resources like soil, compost, brown coal, and city solid waste (Bruna et al, 2016; Eladia et al, 2005)
Innovative Uses of Humic acids reported anti-HIV-AIDS activity of humic substances (Zhernov et al, 2020), which has been shown to be superior to Himalayan Shilajit, an immune booster available from Dabur Co., Ghaziabad, India2
In the presence of a deoxycholic acid, the value of photoconversion efficiency (PCE) rises to 2.1%.The authors stated that, “The dye-sensitized solar cells (DSSCs) sensitized with humic acid produced Jsc = 5.3 mA/cm2, Voc = 0.472 V, and FF = 56.6% corresponding to a P.C.E. of 1.4%
Summary
Value-added products are expected to be available from different natural resources like soil, compost, brown coal, and city solid waste (Bruna et al, 2016; Eladia et al, 2005). Based on reverse polymerization of humic substances, zirconium-humic acid (Zr-HA) and copper-humic acid (Cu-HA) catalysts, respectively for reduction and oxidation processes, have been developed recently (Hao et al, 2021). Based on reverse polymerization of humic substances, zirconium-humic acid (Zr-HA) and copper-humic acid (Cu-HA) catalysts, respectively for reduction and oxidation processes, have been developed recently (Hao et al, 2021)1 In these pandemic times, what catches attention most is the antiviral activity, in particular the. Innovative Uses of Humic acids reported anti-HIV-AIDS activity of humic substances (Zhernov et al, 2020), which has been shown to be superior to Himalayan Shilajit, an immune booster available from Dabur Co., Ghaziabad, India. Two examples are shown below, but it must be pointed out that none of the plethora of structures available in literature have been established conclusively and are at best only proposed structures
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