Cyanide is a toxic compound that is found in industrial wastewater, and it causes death for humans. Therefore, cyanide removal is essential to protect humans and the environment. The electrocoagulation method (ECM) was adopted in this study to remove cyanide from artificial wastewater samples. The ECM was adopted in this study because it is a cost-effective method with minimum use of chemicals, making it eco-friendly. The experiments were done in batch flow using iron electrodes (anode-cathode). The results show an increase in the current density from 2 to 10 mA.cm-2 increased the removal of cyanide by 48.8%. Similarly, the increase of the treatment time from 10 to 90 minutes increased the removal of cyanide by 71% at a current of 10 mA/cm-2. The summary of the results of this study showed that ECM is a good alternative for cyanide removal from wastewater.
In developed countries, the biggest factor leading to death is cigarette smoking, where smoking causes cancers, congestive heart diseases, pulmonary diseases, and other diseases. This study was conducted at Al-Mustaqbal University College -Hilla -Iraq, to evaluate the effect of smoking types on lipid profile (triglycerides, cholesterol, low-density lipoproteins (LDL), very low-density lipoprotein (VLDL), high-density lipoprotein (HDL), and iron. The study included 24 samples of males and the study targeted three groups: the control group (group 1= 7) without smoking, regular cigarette R.C (group 2= 8) smokers of regular cigarettes, and the last group 3 (electron cigarette E.C) comprised of 9 samples (people who smoke electronic cigarettes). The samples studied were of a similar age group ranging from 19 to 30 years. The levels of triglycerides and cholesterol were observed to increase in group 2 compared to the control group. The level of HDL increased in group R.C. by comparing it with the control group, while the iron level increased in group E.C. in comparison to both the groups (control and R.C). The results showed that the use of electronic cigarettes E.C. was less severe than regular cigarettes R.C., while both had high marks compared to the control group.
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