Degradation of high-strength acrylic acid wastewater with anaerobic granulation technology: A mini-review

Show, Kuan‐Yeow; Chang, Jo‐Shu; Lee, Dong Hoon

doi:10.1016/j.envpol.2023.121018

Cited by 4 publications

(2 citation statements)

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“…In recent years, the reuse of diluted wastewater in agriculture has become a widespread practice. , It has been reported that over 20 million hectares of agricultural land, or roughly 10% of all irrigated arable land worldwide, are being irrigated with wastewater . Excessive deposition of HM in agricultural soils due to wastewater irrigation creates problems for agricultural production and leads to hyper-HM uptake by crops, affecting food quality and safety as well as endangering residents who consume crops cultivated in the contaminated soils. , …”

Section: Introductionmentioning

confidence: 99%

“…6 Excessive deposition of HM in agricultural soils due to wastewater irrigation creates problems for agricultural production and leads to hyper-HM uptake by crops, affecting food quality and safety as well as endangering residents who consume crops cultivated in the contaminated soils. 7,8 Environmental pollution of HM is a major threat to human health. Excessive HM exposure causes genetic disorders and premature aging, harms the body's important organs, impairs immunological function, depletes essential nutrients, disrupts the DNA repair system, affects the increase in high-density lipoprotein content, increases oxidative damage and stress, and causes the high prevalence of upper gastrointestinal cancer rates in the human body.…”

Section: Introductionmentioning

confidence: 99%

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Heavy Metal Contamination Status of Water, Agricultural Soil, and Plant in the Semiarid Region of Kandahar, Afghanistan

Obaid

Nader

et al. 2023

ACS Earth Space Chem.

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Agricultural irrigation using wastewater containing heavy metals (HM) might impose risks in bioaccumulation in foods. The current study was performed to assess the status of HM in terms of water-soil−plant systems in Kandahar, Afghanistan, where industrial and domestic wastewater was partially reused for irrigation. Water, soil, and plant samples were collected from wastewater sites in Haji-Arab (HA), Bala-Karz (BKZ), and Mahal-e-Nejat (MN) in comparison with those from a freshwater-irrigated site in Char-Bagh (CB). The HM levels in unfiltered water samples remained lower than the World Health Organization (WHO) and Food and Agriculture Organization (FAO) permissible values, but the HM concentrations in soil and crops were higher at the HA, BKZ, and MN (wastewater-irrigated sites) than those at the CB site (freshwater-irrigated site). Lead (Pb) levels were high in soils (43−83 mg/kg) and crops (18−36 mg/kg) and extremely exceeded the safe limits even for those crop samples cultivated in the freshwater-irrigated site. Continuous wastewater irrigation increased the HM concentration in water, soil, and plants, but the Pb pollution was found to be ascribed to the minerals in that area since the underground water was showing high Pb levels. The bioaccumulation of HM in the studied sites was related to the cultivated crops and correlated with the land use in the watershed area. This study is important in understanding the risks associated with HM and exercising prudence when applying various irrigation resources in Afghanistan.

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