The inhibition of crystal growth of gypsum and barite scales in industrial water systems using green antiscalant | Zendy

D.E. AbdElKhalek | Zendy; B.A. Abd-El-Nabey | Zendy; Mervat A. AbdelKawi | Zendy; Sh. Ebrahim | Zendy; S. Ramadan | Zendy

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The inhibition of crystal growth of gypsum and barite scales in industrial water systems using green antiscalant

Author(s) -

D.E. AbdElKhalek,

B.A. Abd-El-Nabey,

Mervat A. AbdelKawi,

Sh. Ebrahim,

S. Ramadan

Publication year - 2019

Publication title -

water science and technology water supply

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.318

H-Index - 39

eISSN - 1607-0798

pISSN - 1606-9749

DOI - 10.2166/ws.2019.094

Subject(s) - sunflower , helianthus annuus , gypsum , chemistry , horticulture , nuclear chemistry , materials science , biology , metallurgy

Mineral scale is a major flow assurance problem in industrial water systems. The antiscale properties of sunflower (Helianthus annuus) seed extract for CaSO4 and BaSO4 scales were investigated using NACE and conductivity tests, respectively. Comparative studies between the extract and 1-hydroxyethane-1,1-diphosphonic acid (HEDP), as commercial antiscalants, were done. The results revealed that the inhibition of CaSO4 scales using sunflower seed extract reached 100%, while HEDP achieved a maximum inhibition of 88%. Moreover, the maximum inhibition of BaSO4 scale in the presence of the extract was 84% compared with 86% in the presence of HEDP. Also microscopic examination showed that both inhibitors modified CaSO4 and BaSO4 crystals.

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