Summary of Freelance Task Bidding Posts

This post was last edited by tianyewei on 2016-4-25 at 13:25. Sequence Number, Title, Reward in Haichuan Coins, Status: 1. Please conduct system testing for this technical expert and create a detailed user guide – 1000; In progress. 2. Seeking information on companies engaged in the export of mechanical pump valves, as well as international projects in the field of chemical engineering and environmental protection – 180; In progress. 3. Haichuan Coin freelancers: Does anyone know which domestic factory produces such axial flow pumps? 80 In progress 4 HaiChuan Coin Freelancer – Sealing issue with the solid powder feeding system 50 In progress 5 Freelancer seeking help regarding glue filtration equipment! It is hoped that manufacturers can provide high-quality filtration equipment! 50 In progress: 6 Questionnaire on corrosion issues in MTBE/butylene plants. 50 In progress: 7 Control strategies for methanol distillation. 20 In progress: 8 Solutions for LNG regasification. 20 In progress: 9 [Woker charity project] The company has sodium sulfate as a by-product and wants to install an electrolysis system with a capacity of 10,000 tons. 20 In progress: 10 Looking for information and technical questions related to the isomerization of butylene into isobutylene. 20 In progress: 11 Materials for the 2015 National Symposium on Ethylene Oxide and Its Derivatives – technology and market aspects. 15 In progress: 12 Who can provide drawings for container-based mobile houses? 15 In progress: 13 [Woker charity project] Addressing the issue of excessive barium sulfate levels in brine using the barium chloride method. 10 In progress: 14 Seeking a paper or guidance on the process design for producing 50,000 tons of dimethyl carbonate per year – specifically regarding the distillation section; generous reward available. 10 In progress: 15 Partial pressures, viscosity, and surface tension of dimethyl carbonate at temperatures between 100 and 200 degrees Celsius. . . 10 In progress 16 【Woker Public Welfare Activity】pH of carbonate buffers at different concentrations, pH 10 – In progress 17 Procedures for purging and replacing catalysts in containers and equipment before using MTBE – 10 In progress 18 Examples of the use of wide-channel plate heat exchangers in oil fields – 10 In progress 19 HaiChuan Wokers are seeking instructions for explosion-proof motors from Jiamusi – 10 In progress 20 Errors that occur when an orifice plate is installed in the wrong direction – 8 In progress 21 Unit control – 5 In progress 22 Seeking contact lists from recent coal chemical and petrochemical conferences held in 2016 – 2 In progress 23 HaiChuan Wokers’ large-scale “public welfare” activity is coming to life! 1 In progress 24 What is the current status of domestic production and operation of these three types of equipment in domestic ethylene plants? 20 Completed: 25. HaiChuan Coin Freelancers – I would like to ask the experts what exactly the P value in PID control represents. 20 Completed: 26. Looking for a Chinese version of a contract template for on-site construction management outsourcing services. 10 Completed: 27. [HaiChuan Coin Freelancers] Urgently needed: Anhui provincial standard titled “Guidelines for Handling Liquefied Petroleum Gas Leaks”. 10 Completed: 28. Need to download files from CNKI. 5 Completed: 29. Safety design specifications for caustic soda plants (draft for feedback). 1 Completed: 30. This post is a tutorial on how to use the Technical Freelancer system! 1 Completed