1. OJSC «Novoshakhtinsky Refinery of Petroleum Products»
In September 2019, the Basic Design was issued for mercaptan removal unit of liquefied hydrocarbon gases (13.2 m3 / h) of the GFU section by DEMERUS technology with KSM-X heterogeneous catalyst. Requirements for the residual content of total sulfur are not more than 10 ppmw. The planned start-up of the unit is in 2020.
2. LLC “LUKOIL-Ukhtaneftepererabotka”
In December 2018, the Basic Project Design for the block of LPG (8.2 m3/h) amine treatment from hydrogen sulphide and alkaline treatment from mercaptans was issued. Feed LPG is sourced from the Gas Fractionation Unit AT-1 . Proposed technology provides joint treatment of propane and butane fractions. Requirements for the residual content of total sulfur — not more than 50 ppmw. The planned start-up of the unit is in 2022.
3. LLC “Afipsky Refinery”
In April 2018, the Basic Project Design for the block of LPG (50.0 m3 / h) amine treatment from hydrogen sulphide and alkaline treatment from mercaptans was issued. Feed LPG is sourced from the Gas Fractionation Units (saturated feed) and Delayed Coking Unit (unsaturated feed). Proposed technology provides joint treatment of propane-propylene and butane-butylene fractions. Requirements for the residual content of mercaptan sulfur — not more than 10 ppmw. The planned start-up of the unit is in 2022.
4. JSC “Mozyr Oil Refinery”
In October 2017, the Basic Project Design of LPG mercaptans removal block (50.0 m3 / h) of GFU section at FCC unit was issued based on DEMERUS LPG technology using heterogeneous KSM-X catalyst . Proposed technology provides joint treatment of propane-propylene and butane-butylene fractions. Requirements for the residual content of mercaptan sulfur in treated LPG — not more than 5 ppmw, total sulfur — not more than 20 ppmw. Start-up of the unit is in 2021.
5. LLC “LUKOIL-NNOS”
In February 2017, Basic design of Sweetening unit (treatment of 18,6 m3/h LPG from COS and mercaptans) being a part of Oil Residues processing complex on the basis of DEMERUS LPG technology with heterogeneous KSM-X catalyst was issued. Proposed technology involves joint purification of propane-propylene and butane-butylene fractions. Requirements for the residual content of carbonyl sulphide in PPF — no more than 6 ppm, total sulfur in BBF — not more than 10.0 ppm. Start-up of sweetening block – 2020.
6. JSC “Gazpromneft-Moscow Refinery”
In June 2013, Basic design of LPG sweetening block (33.3 m3/h) at Section 100 of Atmospheric-vacuum distillation unit was issued. It is based on DEMERUS LPG technology with heterogeneous KSM-X catalyst. Proposed technology implies joint sweetening of propane, butane and pentane fractions. Sweetening unit start-up – 2018-2019.
7. JSC “Tomskneftekhim” (SIBUR group)
In September 2016, Basic design for the Block of chemically polluted wastewater (75 m3/h) treatment from sulfide sulfur was issued. The process is based on LOCOS technology with heterogeneous KSM-X catalyst. Treated feed is chemically polluted wastewater containing 2500 mg/l (0.25 wt.%) of sulfides (calculated as H2S). Besides sulfides chemically polluted waste waters also contain toluene, ethanol, phenol, formaldehyde, suspended solids. Unit start-up – 2018-2019.
8. JSC “Rosneft – Syzran Refinery”
In November 2010, Basic design of unit for sweetening of saturated (18.4 m3/h) and unsaturated (33.2 m3/h) hydrocarbon feed from GFU was issued. It is based on DEMERUS LPG technology with heterogeneous KSM-X catalyst. Separated butane-butylene fraction with total sulfur content not higher than 10.0 ppmw is used for MTBE synthesis. Saturated butane fraction with total sulfur content not higher than 10.0 ppmw is supplied to alkylation block. Sweetening unit start-up – 2020.
9. JSC “Bashneft”
In April 2015, Basic design of LPG desulfurization unit (removal of carbonyl sulfide and mercaptans) (53.0 m3/h) at delayed coking unit DCU-2000 was issued. It is based on DEMERUS LPG & DEMERUS LPG + COS technologies with heterogeneous KSM-X catalyst. Proposed technology implies joint sweetening of propane-propylene and butane-butylene fractions. Requirements for residual carbonyl sulfide content – not more than 10 ppmw, mercaptan sulfur – not more than 5.0 ppmw, total sulfur – not more than 10.0 ppmw. Sweetening unit start-up – 2020.