CR1632 battery
RM 2.50 / Reindeer, 3V @ Mr Dollar 20230127
Safety Boots
RM 75 / Safety shoes, DIY homebrand @ Mr DIY Setia Tropika 2023 Jan
RM 93 / Safety joggers, Safetyboy@ Mr DIY Setia Tropika 2023 Jan
SCADA - BMS
2023
Commercial rate
RM 0.55 / kW
SGD 0.25 / kW
Monthly Maximum Demand (MD) Charge = RM41.82/kW X Maximum kW @ 2023
Commercial Electricity Billing in Singapore is based on 10 minutes interval
PQMS can reflect actual billing within 5% error
Good ground resistance < 5 ohm
Advanced Diploma in Applied Electrical Engineering (Power Systems) 52888WA @ Engineering Institute of Technology, Australia
USD 7000 / online @ 2018
Electric Bill
𓂬óh₂'𓋿uꁻ.𓏷𐌙𑀯ꁻ.𓊀⦠ገ⦠z ⑂ei𐌙ꁻ𓋿Ā: 【???? /𓂀 @ 𓆓𐌆𓆓〰 】
⌸𐌍⌸ʷ⦠ 𓃻 𓂬⦠𓋿𐌍⦠h₂.𓃾ꁻ : 【⌸₁𓆓éw𓆓 𓊽ꕀ'h₂ǵʰéꁻ𓋿'h₂.h₃o𐌍h₂ /𓂀 《☸︎〰𓆓 𓃱ʰs𓋿𑀯h₂.⑂¸𑀯𓋿𐌈 ϖo𐌈ē𓁶e 𓊽un.⌸íꁻ𐌈ēꕀi 》 @ 𓆓𐌆𓆓〰 】 【ϖé𐌍🪡⦠ 𓊽ꕀ'h₂ǵʰéꁻ𓋿'h₂.h₃o𐌍h₂ /𓂀 @ 𓆓𐌆𓆓𓆓】
〰ገ.𓃱¸𐌍 𓂬𑀯⌂𓁶.𓃱¸y :【☸︎90 𓃱ʰ @ 𓆓𐌆𓆓〰 〰.𓂀 】【☸︎76 𓃱ʰ @ 𓆓𐌆𓆓〰 𓊽.𓂀 】 【𓆓61 𓃱ʰ @ 𓆓𐌆𓆓〰 𓃱.𓂀 】【𓆓69 𓃱ʰ @ 𓆓𐌆𓆓〰 𓉤.𓂀 】【 𓆓35 𓃱ʰ @ 𓆓𐌆𓆓〰 Γ.𓂀 】【 𓆓50 𓃱ʰ @ 𓆓𐌆𓆓〰 𓉭.𓂀 】
Central Utility Building (CUB)
Penang commercial Water Tariff
RM 2.10 / m^3 @ 2023
RM 1.45 / m^3 @ 2022
SAJ Monthly Minimum Charge = RM30 @ 2023
Coagulation (Lt. cogere "to curdle, collect, drive together", co- + agere < *ag-) 混凝
⬇
Flocculation (Lt. floccus, "wool") 絮凝
⬇
Sedimentation 沈降
Malaysia Wastewater Release Requirements
COVID前,深圳有300多家水處理公司,越南只有8家。2023年頭,深圳只剩 100多家。
Danfoss Valve
Automated Spongeball Tube Cleaning
Baccomber
DeCaIon
3rd Party facilities management providers: CBRE, Ecolex
Blowdown 丟水
~ 800 - 1000 uS/cm
Cooling Tower chem trtmnt
~ RM 10000+++ / month @ Malaysia 2022
Langelier Saturation Index
Corrosion < -0.3 < LSI < +0.3 < scaling
Scaling ⬆
Chlorine corrodes 304 & 316 Steel
Cooling Tower Energy Trade-off Optimization:
Fans vs. Pump
Propeller Fan vs. Blower Fan
A 10% increase in flow will require about 21% greater pressure. A 10% decrease in flow will decrease the required pressure by about 19%.
Manipulation of air rate (and fan power) is a far more energy-effective means of regulating thermal capacity than control of water rate
approximately 1% reduction in Compressor Power for each degree that the Condenser Cooling Water Supply Temperature is lowered
Compressor Power reduction would have begun to exceed Propeller Fan power consumption at or below a wet-bulb temperature of approximately 72°F, whereas equality on Blower Fan operation would not have been reached until about 64°F wet bulb.
Fan Laws
Drew Ameroid Acquired Solenis:
Biosperse (corrosive, functions @ acidic pH)
Corrosion Inhibitor 20-30%
Dispersant 0%
Oxi Biocide 100%
Non-oxi Biocide 100%
Cooling Tower BALANCING side Water Flow SLOWER
Polarized matter is accelerated in the electric field with a change in the arrangement of free ions around polarized matter as a result of a change in the hydrodynamic resistance in the fluid (Derjaguin et al 1980).
High Voltage Capacitance Field Induce Time-transient Colloid Polarization, Charge (free ions) Rearrangement, structural-conformational changes, ion pairs dissociation
Biofouling Control in Heat Exchangers using High Voltage Based Technology
Fouling Mitigation in Aqueous Systems Using Electrochemical Water Treatment (Zeta Rod Working Principle)
Zeta Power Improves Both Cooling Tower & Chillers Efficiency, 2023-Sep-13
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WnRSZCArIFNjbCBibg
U2l0YWwuU2luZ2hAYmlvY29uLmNvbQ
Benzalkonium chloride
RM 450/ 30L @ 2019
Peptide polymer (聚合肽)
USD 10-100 per kg(取决于长度、复杂度)@ 2019
Peptides (Synthetic specific-sequence, 10 to 30 residues long)
USD 100,000 per kg @ 2019