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#1764436Newbie seeking help! Denitration issue
#1974236May I ask whether it is unnecessary to install a fire dike for the storage tanks in the plant area when they are located
#1915569Fundamentals of Manufacturing Processes (Multiple Choice) 2018026
#1663655Questions about the design of steam vent silencers? Those who know, come in
#1826296What processes are generally used in methanol-to-hydrogen plants?
#1770564How can one determine that the flow rate of the exhaust stack has decreased by reading the pressure gauge on it? !
#1841743Fundamentals of Manufacturing Processes (True/False Questions) 20170911
#1862955The principle of mechanical seals
#2023416Questions about insulation materials
#2945892What do et bp u mp nd20 mean in organic chemistry?
#1863673One Question per Day ---------- Multiple-choice Questions on Basic Process Knowledge (November 10)
#1871467Fundamentals of Manufacturing Processes (True/False Questions) 20171126
#2225734Fundamentals of Manufacturing Processes (Multiple Choice) 20181223
#3004144I have a question for experts in boiler technology
#1828322Process Section – Daily Hydrogenation Process Knowledge Question No. 021
#3080476Division of explosive hazard zones above the floating roof after the float settles on the ground
#1877306Fruuctose-decolorizing activated carbon regeneration technology
#1751885Classification of flammable liquids
#1662789Reforming reactor differential pressure
#2643732[Daily Question] Basic Process Knowledge (True/False Questions) 20190407
#1764231On pipeline vibration damping devices in the chemical industry
#2893355Acid-resistant and medium-temperature non-metallic materials
#1990506【HVAC Version】Daily Question 20180521
#2000214What are the different design approaches for the venting system of hydrogen-rich gases?
#1828331Ethanol is used in large quantities in workshops; are plastic ton barrels suitable?
#230051630T002-1998 Compressed Air Storage Tank Series
#1890621What is the difference between installing the pump outlet pressure gauge before and after the check valve? ?
#1985034Flow measurement of high-pressure plunger pumps and related issues
#1680224With liquid ammonia refrigeration, what temperature can the cooling water reach? For example, how to control temperature
#2290879How are short-term, medium-term, and long-term shutdowns in chemical plants classified?
#2066818What are the side reactions when the temperature of the alkylation cycle base is too high?
#1863228Why are some evaporators used with saturated steam after it has been depressurized? !
#1664643Which domestic companies are engaged in the isomerization of n-butane?
#3119069About breather valves
#2274882May I ask how to determine the flow rate and pressure for the last air supply fan we installed?
#1987855【HVAC Version】Daily Question 20180517
#1740620Is the ethanol plant designed for Category 1 lightning protection or Category 2 lightning protection?
#2781302Regarding the superheated water process
#2951569nitric acid reduction
#1798451If it is used intermittently with steam, then how should a gas-fired steam boiler be operated? ?
#1810729Can combustible gas or liquid pipelines be made of non-metallic pipes or pipes lined with plastic? ?
#2976164The oil field production fluid contains 5,000–8,000 ppm of hydrogen sulfide; the operating pressure is 9 MPa, the operat
#1905731【HVAC Version】Daily Question 20180117
#1886800Analysis of steam fluid types
#2270256[Daily Question] Basic Process Knowledge (Multiple Choice) 20190122
#2675946Calculation of U-bend height
#1890262Can process waste gas be discharged through the boiler chimney?
#2761616Pump head
#690788How to determine the head of a centrifugal pump
#1830671One Question per Day ---------- Multiple-choice Questions on Basic Process Knowledge (August 25)
#1927561【HVAC Version】Daily Question 20180217
#2757646[Daily Question] Basic Process Knowledge (True/False) 20190802
#3085789How is the exhaust gas from atmospheric pressure storage tanks treated?
#1671693The application of compressors and fans in pharmaceutical manufacturing processes
#2318498Calculate the steam consumption for the reactor
#1785634Dust has strong electrical conductivity, which causes the electrostatic precipitator to be broken down; how can this be
#2127842What is the difference between soft start and variable frequency start? Are the results of the action all the same?
#2030370Fundamentals of Manufacturing Processes (Multiple Choice) 20180722
#2993414Working principle of the temperature control switch in a hair dryer
#2289303Discussion on the advantages and disadvantages of the cyclohexanol dehydrogenation process
#1808739Boiler specifications are based on the cost per ton of gas
#2221495Fermentation Engineering
#1951731What is the three-checks and four-fixes method?
#3058687Dalian Danai pumps
#2745591EDI working principle
#1861333Pressure vessel
#2229989Questions about straight threads
#3079214Installation location of the steam pipeline purging target plate
#2849802Sampling for high-melting-point medium analysis
#1799009The sound heard by pressing the ear against the outer surface of the tube
#2229386Calculation process of the lifting plan
#1827979Questions and Answers on the Sources of Purified Water and Water for Injection (8.17 – Daily Q&A)
#1766694Luchy low-pressure syngas methanol production process
#2013623【HVAC Version】Daily Question 20180611
#2687312How is the annual output of an intermittent production facility calculated?
#1990223Seawater crude oil cooler
#1909071What is the impact of the hydrocarbon conversion hydrogen production unit’s output variation on the PSA off-gas volume?
#1951344Heat exchanger put into operation
#2732278Who has the operating procedures for ammonia synthesis at Hunan Anchun?
#2062719How are the grades for clean air conditioning classified?
#2944250Compressor layout
#1770192Help: Does anyone have any books related to the design of desulfurization and denitrification processes? Please recommen
#2818479Questions regarding the selection of compressed air pipelines
#1882006Pipeline stabilization heat treatment
#2738666CAD batch printing software (tested and works)
#2130146Fundamentals of Processing Technology (Multiple Choice) 20181105
#3015549Water treatment
#2841056What is the typical hydrogen sulfide content in the liquid separation tank at the inlet of the cyclohydrogen compressor?
#1751303Seeking advice on flue gas denitration technology for coal-fired boilers
#2875227Changes that occur when coal comes into contact with water
#2713367Specifications of intermediate water tank
#1809419What are some good safety consulting firms in the pharmaceutical industry?
#1983430Oslo mold design
#2035660Interpretation of design code provisions
#1751238How do everyone else set the requirements for equipment bidding?
#2693634Requirements for weld spacing
#2192758Looking for an instrument for online detection of lubricant content in gases
#2724545There are many pneumatic valves available; what are the advantages and disadvantages of creating an solenoid valve box f
#3057831On-site installation and welding techniques for plastic equipment
#1829675The unit is equipped with an oil-water separator and an oil storage tank; does the entire unit need to be explosion-proo

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